diff --git a/.pep8 b/.pep8
new file mode 100644
index 0000000000..25d0edbcb4
--- /dev/null
+++ b/.pep8
@@ -0,0 +1,2 @@
+[pep8]
+ignore=E501
\ No newline at end of file
diff --git a/apt-packages.txt b/apt-packages.txt
index b783ccb67e..0560dfcbc2 100644
--- a/apt-packages.txt
+++ b/apt-packages.txt
@@ -9,6 +9,7 @@ gfortran
 liblapack-dev
 libfreetype6-dev
 libpng12-dev
+libjpeg-dev
 libxml2-dev
 libxslt-dev
 yui-compressor
diff --git a/cms/__init__.py b/cms/__init__.py
index 8b13789179..e69de29bb2 100644
--- a/cms/__init__.py
+++ b/cms/__init__.py
@@ -1 +0,0 @@
-
diff --git a/cms/djangoapps/auth/authz.py b/cms/djangoapps/auth/authz.py
index 22bbc4bc1c..281e3f46b2 100644
--- a/cms/djangoapps/auth/authz.py
+++ b/cms/djangoapps/auth/authz.py
@@ -18,6 +18,8 @@ STAFF_ROLE_NAME = 'staff'
 # we're just making a Django group for each location/role combo
 # to do this we're just creating a Group name which is a formatted string
 # of those two variables
+
+
 def get_course_groupname_for_role(location, role):
     loc = Location(location)
     # hack: check for existence of a group name in the legacy LMS format <role>_<course>
@@ -25,11 +27,12 @@ def get_course_groupname_for_role(location, role):
     # more information
     groupname = '{0}_{1}'.format(role, loc.course)
 
-    if len(Group.objects.filter(name = groupname)) == 0:
-        groupname = '{0}_{1}'.format(role,loc.course_id)
+    if len(Group.objects.filter(name=groupname)) == 0:
+        groupname = '{0}_{1}'.format(role, loc.course_id)
 
     return groupname
 
+
 def get_users_in_course_group_by_role(location, role):
     groupname = get_course_groupname_for_role(location, role)
     (group, created) = Group.objects.get_or_create(name=groupname)
@@ -39,6 +42,8 @@ def get_users_in_course_group_by_role(location, role):
 '''
 Create all permission groups for a new course and subscribe the caller into those roles
 '''
+
+
 def create_all_course_groups(creator, location):
     create_new_course_group(creator, location, INSTRUCTOR_ROLE_NAME)
     create_new_course_group(creator, location, STAFF_ROLE_NAME)
@@ -46,7 +51,7 @@ def create_all_course_groups(creator, location):
 
 def create_new_course_group(creator, location, role):
     groupname = get_course_groupname_for_role(location, role)
-    (group, created) =Group.objects.get_or_create(name=groupname)
+    (group, created) = Group.objects.get_or_create(name=groupname)
     if created:
         group.save()
 
@@ -59,6 +64,8 @@ def create_new_course_group(creator, location, role):
 This is to be called only by either a command line code path or through a app which has already
 asserted permissions
 '''
+
+
 def _delete_course_group(location):
     # remove all memberships
     instructors = Group.objects.get(name=get_course_groupname_for_role(location, INSTRUCTOR_ROLE_NAME))
@@ -75,6 +82,8 @@ def _delete_course_group(location):
 This is to be called only by either a command line code path or through an app which has already
 asserted permissions to do this action
 '''
+
+
 def _copy_course_group(source, dest):
     instructors = Group.objects.get(name=get_course_groupname_for_role(source, INSTRUCTOR_ROLE_NAME))
     new_instructors_group = Group.objects.get(name=get_course_groupname_for_role(dest, INSTRUCTOR_ROLE_NAME))
@@ -86,7 +95,7 @@ def _copy_course_group(source, dest):
     new_staff_group = Group.objects.get(name=get_course_groupname_for_role(dest, STAFF_ROLE_NAME))
     for user in staff.user_set.all():
         user.groups.add(new_staff_group)
-        user.save()    
+        user.save()
 
 
 def add_user_to_course_group(caller, user, location, role):
@@ -133,8 +142,6 @@ def remove_user_from_course_group(caller, user, location, role):
 def is_user_in_course_group_role(user, location, role):
     if user.is_active and user.is_authenticated:
         # all "is_staff" flagged accounts belong to all groups
-        return user.is_staff or user.groups.filter(name=get_course_groupname_for_role(location,role)).count() > 0
+        return user.is_staff or user.groups.filter(name=get_course_groupname_for_role(location, role)).count() > 0
 
     return False
-
-    
diff --git a/cms/djangoapps/contentstore/course_info_model.py b/cms/djangoapps/contentstore/course_info_model.py
index 6995df06a8..153d13dd13 100644
--- a/cms/djangoapps/contentstore/course_info_model.py
+++ b/cms/djangoapps/contentstore/course_info_model.py
@@ -8,6 +8,8 @@ import logging
 
 ## TODO store as array of { date, content } and override  course_info_module.definition_from_xml
 ## This should be in a class which inherits from XmlDescriptor
+
+
 def get_course_updates(location):
     """
     Retrieve the relevant course_info updates and unpack into the model which the client expects:
@@ -21,13 +23,13 @@ def get_course_updates(location):
 
     # current db rep: {"_id" : locationjson, "definition" : { "data" : "<ol>[<li><h2>date</h2>content</li>]</ol>"} "metadata" : ignored}
     location_base = course_updates.location.url()
-    
+
     # purely to handle free formed updates not done via editor. Actually kills them, but at least doesn't break.
     try:
         course_html_parsed = html.fromstring(course_updates.definition['data'])
     except:
         course_html_parsed = html.fromstring("<ol></ol>")
-        
+
     # Confirm that root is <ol>, iterate over <li>, pull out <h2> subs and then rest of val
     course_upd_collection = []
     if course_html_parsed.tag == 'ol':
@@ -40,25 +42,26 @@ def get_course_updates(location):
                 content = update[0].tail
             else:
                 content = "\n".join([html.tostring(ele) for ele in update[1:]])
-                
+
             # make the id on the client be 1..len w/ 1 being the oldest and len being the newest
-            course_upd_collection.append({"id" : location_base + "/" + str(len(course_html_parsed) - idx),
-                                          "date" : update.findtext("h2"),
-                                          "content" : content})
-            
+            course_upd_collection.append({"id": location_base + "/" + str(len(course_html_parsed) - idx),
+                                          "date": update.findtext("h2"),
+                                          "content": content})
+
     return course_upd_collection
 
+
 def update_course_updates(location, update, passed_id=None):
     """
     Either add or update the given course update. It will add it if the passed_id is absent or None. It will update it if
     it has an passed_id which has a valid value. Until updates have distinct values, the passed_id is the location url + an index
-    into the html structure. 
+    into the html structure.
     """
     try:
         course_updates = modulestore('direct').get_item(location)
     except ItemNotFoundError:
         return HttpResponseBadRequest
-    
+
     # purely to handle free formed updates not done via editor. Actually kills them, but at least doesn't break.
     try:
         course_html_parsed = html.fromstring(course_updates.definition['data'])
@@ -67,7 +70,7 @@ def update_course_updates(location, update, passed_id=None):
 
     # No try/catch b/c failure generates an error back to client
     new_html_parsed = html.fromstring('<li><h2>' + update['date'] + '</h2>' + update['content'] + '</li>')
-        
+
     # Confirm that root is <ol>, iterate over <li>, pull out <h2> subs and then rest of val
     if course_html_parsed.tag == 'ol':
         # ??? Should this use the id in the json or in the url or does it matter?
@@ -80,14 +83,15 @@ def update_course_updates(location, update, passed_id=None):
 
             idx = len(course_html_parsed)
             passed_id = course_updates.location.url() + "/" + str(idx)
-        
+
         # update db record
         course_updates.definition['data'] = html.tostring(course_html_parsed)
         modulestore('direct').update_item(location, course_updates.definition['data'])
-        
-        return {"id" : passed_id,
-                "date" : update['date'],
-                "content" :update['content']}
+
+        return {"id": passed_id,
+                "date": update['date'],
+                "content": update['content']}
+
 
 def delete_course_update(location, update, passed_id):
     """
@@ -96,19 +100,19 @@ def delete_course_update(location, update, passed_id):
     """
     if not passed_id:
         return HttpResponseBadRequest
-        
+
     try:
         course_updates = modulestore('direct').get_item(location)
     except ItemNotFoundError:
         return HttpResponseBadRequest
-    
+
     # TODO use delete_blank_text parser throughout and cache as a static var in a class
     # purely to handle free formed updates not done via editor. Actually kills them, but at least doesn't break.
     try:
         course_html_parsed = html.fromstring(course_updates.definition['data'])
     except:
         course_html_parsed = html.fromstring("<ol></ol>")
-        
+
     if course_html_parsed.tag == 'ol':
         # ??? Should this use the id in the json or in the url or does it matter?
         idx = get_idx(passed_id)
@@ -120,10 +124,11 @@ def delete_course_update(location, update, passed_id):
         # update db record
         course_updates.definition['data'] = html.tostring(course_html_parsed)
         store = modulestore('direct')
-        store.update_item(location, course_updates.definition['data'])  
-          
+        store.update_item(location, course_updates.definition['data'])
+
     return get_course_updates(location)
-    
+
+
 def get_idx(passed_id):
     """
     From the url w/ idx appended, get the idx.
@@ -131,4 +136,4 @@ def get_idx(passed_id):
     # TODO compile this regex into a class static and reuse for each call
     idx_matcher = re.search(r'.*/(\d+)$', passed_id)
     if idx_matcher:
-        return int(idx_matcher.group(1))
\ No newline at end of file
+        return int(idx_matcher.group(1))
diff --git a/cms/djangoapps/contentstore/features/common.py b/cms/djangoapps/contentstore/features/common.py
index d910d73085..f868b598a8 100644
--- a/cms/djangoapps/contentstore/features/common.py
+++ b/cms/djangoapps/contentstore/features/common.py
@@ -12,6 +12,8 @@ from logging import getLogger
 logger = getLogger(__name__)
 
 ###########  STEP HELPERS ##############
+
+
 @step('I (?:visit|access|open) the Studio homepage$')
 def i_visit_the_studio_homepage(step):
     # To make this go to port 8001, put
@@ -20,32 +22,37 @@ def i_visit_the_studio_homepage(step):
     world.browser.visit(django_url('/'))
     assert world.browser.is_element_present_by_css('body.no-header', 10)
 
+
 @step('I am logged into Studio$')
 def i_am_logged_into_studio(step):
     log_into_studio()
 
+
 @step('I confirm the alert$')
 def i_confirm_with_ok(step):
     world.browser.get_alert().accept()
 
+
 @step(u'I press the "([^"]*)" delete icon$')
 def i_press_the_category_delete_icon(step, category):
     if category == 'section':
         css = 'a.delete-button.delete-section-button span.delete-icon'
     elif category == 'subsection':
-        css='a.delete-button.delete-subsection-button  span.delete-icon'
+        css = 'a.delete-button.delete-subsection-button  span.delete-icon'
     else:
         assert False, 'Invalid category: %s' % category
     css_click(css)
 
 ####### HELPER FUNCTIONS ##############
+
+
 def create_studio_user(
         uname='robot',
         email='robot+studio@edx.org',
         password='test',
-        is_staff=False): 
+        is_staff=False):
     studio_user = UserFactory.build(
-        username=uname, 
+        username=uname,
         email=email,
         password=password,
         is_staff=is_staff)
@@ -58,6 +65,7 @@ def create_studio_user(
 
     user_profile = UserProfileFactory(user=studio_user)
 
+
 def flush_xmodule_store():
     # Flush and initialize the module store
     # It needs the templates because it creates new records
@@ -70,26 +78,32 @@ def flush_xmodule_store():
     xmodule.modulestore.django.modulestore().collection.drop()
     xmodule.templates.update_templates()
 
-def assert_css_with_text(css,text):
+
+def assert_css_with_text(css, text):
     assert_true(world.browser.is_element_present_by_css(css, 5))
     assert_equal(world.browser.find_by_css(css).text, text)
 
+
 def css_click(css):
     world.browser.find_by_css(css).first.click()
 
+
 def css_fill(css, value):
     world.browser.find_by_css(css).first.fill(value)
 
+
 def clear_courses():
     flush_xmodule_store()
 
+
 def fill_in_course_info(
         name='Robot Super Course',
         org='MITx',
         num='101'):
-    css_fill('.new-course-name',name)
-    css_fill('.new-course-org',org)
-    css_fill('.new-course-number',num)
+    css_fill('.new-course-name', name)
+    css_fill('.new-course-org', org)
+    css_fill('.new-course-number', num)
+
 
 def log_into_studio(
         uname='robot',
@@ -108,24 +122,27 @@ def log_into_studio(
 
     assert_true(world.browser.is_element_present_by_css('.new-course-button', 5))
 
+
 def create_a_course():
     css_click('a.new-course-button')
     fill_in_course_info()
     css_click('input.new-course-save')
     assert_true(world.browser.is_element_present_by_css('a#courseware-tab', 5))
 
+
 def add_section(name='My Section'):
     link_css = 'a.new-courseware-section-button'
     css_click(link_css)
     name_css = '.new-section-name'
     save_css = '.new-section-name-save'
-    css_fill(name_css,name)
+    css_fill(name_css, name)
     css_click(save_css)
 
+
 def add_subsection(name='Subsection One'):
     css = 'a.new-subsection-item'
     css_click(css)
     name_css = 'input.new-subsection-name-input'
     save_css = 'input.new-subsection-name-save'
     css_fill(name_css, name)
-    css_click(save_css)
\ No newline at end of file
+    css_click(save_css)
diff --git a/cms/djangoapps/contentstore/features/courses.py b/cms/djangoapps/contentstore/features/courses.py
index 2c1cf6281a..d2d038a928 100644
--- a/cms/djangoapps/contentstore/features/courses.py
+++ b/cms/djangoapps/contentstore/features/courses.py
@@ -2,49 +2,61 @@ from lettuce import world, step
 from common import *
 
 ############### ACTIONS ####################
+
+
 @step('There are no courses$')
 def no_courses(step):
     clear_courses()
 
+
 @step('I click the New Course button$')
 def i_click_new_course(step):
     css_click('.new-course-button')
 
+
 @step('I fill in the new course information$')
 def i_fill_in_a_new_course_information(step):
     fill_in_course_info()
 
+
 @step('I create a new course$')
 def i_create_a_course(step):
     create_a_course()
 
+
 @step('I click the course link in My Courses$')
 def i_click_the_course_link_in_my_courses(step):
     course_css = 'span.class-name'
     css_click(course_css)
 
 ############ ASSERTIONS ###################
+
+
 @step('the Courseware page has loaded in Studio$')
 def courseware_page_has_loaded_in_studio(step):
     courseware_css = 'a#courseware-tab'
     assert world.browser.is_element_present_by_css(courseware_css)
 
+
 @step('I see the course listed in My Courses$')
 def i_see_the_course_in_my_courses(step):
     course_css = 'span.class-name'
-    assert_css_with_text(course_css,'Robot Super Course')
+    assert_css_with_text(course_css, 'Robot Super Course')
+
 
 @step('the course is loaded$')
 def course_is_loaded(step):
     class_css = 'a.class-name'
-    assert_css_with_text(class_css,'Robot Super Course')
+    assert_css_with_text(class_css, 'Robot Super Course')
+
 
 @step('I am on the "([^"]*)" tab$')
 def i_am_on_tab(step, tab_name):
     header_css = 'div.inner-wrapper h1'
-    assert_css_with_text(header_css,tab_name)
+    assert_css_with_text(header_css, tab_name)
+
 
 @step('I see a link for adding a new section$')
 def i_see_new_section_link(step):
     link_css = 'a.new-courseware-section-button'
-    assert_css_with_text(link_css,'New Section')
+    assert_css_with_text(link_css, 'New Section')
diff --git a/cms/djangoapps/contentstore/features/factories.py b/cms/djangoapps/contentstore/features/factories.py
index 389f2bac49..087ceaaa2d 100644
--- a/cms/djangoapps/contentstore/features/factories.py
+++ b/cms/djangoapps/contentstore/features/factories.py
@@ -3,6 +3,7 @@ from student.models import User, UserProfile, Registration
 from datetime import datetime
 import uuid
 
+
 class UserProfileFactory(factory.Factory):
     FACTORY_FOR = UserProfile
 
@@ -10,12 +11,14 @@ class UserProfileFactory(factory.Factory):
     name = 'Robot Studio'
     courseware = 'course.xml'
 
+
 class RegistrationFactory(factory.Factory):
     FACTORY_FOR = Registration
 
     user = None
     activation_key = uuid.uuid4().hex
 
+
 class UserFactory(factory.Factory):
     FACTORY_FOR = User
 
@@ -28,4 +31,4 @@ class UserFactory(factory.Factory):
     is_active = True
     is_superuser = False
     last_login = datetime.now()
-    date_joined = datetime.now()
\ No newline at end of file
+    date_joined = datetime.now()
diff --git a/cms/djangoapps/contentstore/features/section.py b/cms/djangoapps/contentstore/features/section.py
index 8ac30e2170..3bcaeab6c4 100644
--- a/cms/djangoapps/contentstore/features/section.py
+++ b/cms/djangoapps/contentstore/features/section.py
@@ -2,54 +2,65 @@ from lettuce import world, step
 from common import *
 
 ############### ACTIONS ####################
+
+
 @step('I have opened a new course in Studio$')
 def i_have_opened_a_new_course(step):
     clear_courses()
     log_into_studio()
     create_a_course()
 
+
 @step('I click the new section link$')
 def i_click_new_section_link(step):
     link_css = 'a.new-courseware-section-button'
     css_click(link_css)
 
+
 @step('I enter the section name and click save$')
 def i_save_section_name(step):
     name_css = '.new-section-name'
     save_css = '.new-section-name-save'
-    css_fill(name_css,'My Section')
+    css_fill(name_css, 'My Section')
     css_click(save_css)
 
+
 @step('I have added a new section$')
 def i_have_added_new_section(step):
     add_section()
-    
+
+
 @step('I click the Edit link for the release date$')
 def i_click_the_edit_link_for_the_release_date(step):
     button_css = 'div.section-published-date a.edit-button'
     css_click(button_css)
 
+
 @step('I save a new section release date$')
 def i_save_a_new_section_release_date(step):
     date_css = 'input.start-date.date.hasDatepicker'
     time_css = 'input.start-time.time.ui-timepicker-input'
-    css_fill(date_css,'12/25/2013')
+    css_fill(date_css, '12/25/2013')
     # click here to make the calendar go away
     css_click(time_css)
-    css_fill(time_css,'12:00am')
+    css_fill(time_css, '12:00am')
     css_click('a.save-button')
 
 ############ ASSERTIONS ###################
+
+
 @step('I see my section on the Courseware page$')
 def i_see_my_section_on_the_courseware_page(step):
     section_css = 'span.section-name-span'
-    assert_css_with_text(section_css,'My Section')
+    assert_css_with_text(section_css, 'My Section')
+
 
 @step('the section does not exist$')
 def section_does_not_exist(step):
     css = 'span.section-name-span'
     assert world.browser.is_element_not_present_by_css(css)
 
+
 @step('I see a release date for my section$')
 def i_see_a_release_date_for_my_section(step):
     import re
@@ -63,18 +74,21 @@ def i_see_a_release_date_for_my_section(step):
     date_regex = '[01][0-9]\/[0-3][0-9]\/[12][0-9][0-9][0-9]'
     time_regex = '[0-2][0-9]:[0-5][0-9]'
     match_string = '%s %s at %s' % (msg, date_regex, time_regex)
-    assert re.match(match_string,status_text)
+    assert re.match(match_string, status_text)
+
 
 @step('I see a link to create a new subsection$')
 def i_see_a_link_to_create_a_new_subsection(step):
     css = 'a.new-subsection-item'
     assert world.browser.is_element_present_by_css(css)
 
+
 @step('the section release date picker is not visible$')
 def the_section_release_date_picker_not_visible(step):
     css = 'div.edit-subsection-publish-settings'
     assert False, world.browser.find_by_css(css).visible
 
+
 @step('the section release date is updated$')
 def the_section_release_date_is_updated(step):
     css = 'span.published-status'
diff --git a/cms/djangoapps/contentstore/features/signup.py b/cms/djangoapps/contentstore/features/signup.py
index 7794511f94..e105b674f7 100644
--- a/cms/djangoapps/contentstore/features/signup.py
+++ b/cms/djangoapps/contentstore/features/signup.py
@@ -1,5 +1,6 @@
 from lettuce import world, step
 
+
 @step('I fill in the registration form$')
 def i_fill_in_the_registration_form(step):
     register_form = world.browser.find_by_css('form#register_form')
@@ -9,15 +10,18 @@ def i_fill_in_the_registration_form(step):
     register_form.find_by_name('name').fill('Robot Studio')
     register_form.find_by_name('terms_of_service').check()
 
+
 @step('I press the "([^"]*)" button on the registration form$')
 def i_press_the_button_on_the_registration_form(step, button):
     register_form = world.browser.find_by_css('form#register_form')
     register_form.find_by_value(button).click()
 
+
 @step('I should see be on the studio home page$')
 def i_should_see_be_on_the_studio_home_page(step):
     assert world.browser.find_by_css('div.inner-wrapper')
 
+
 @step(u'I should see the message "([^"]*)"$')
 def i_should_see_the_message(step, msg):
-    assert world.browser.is_text_present(msg, 5)
\ No newline at end of file
+    assert world.browser.is_text_present(msg, 5)
diff --git a/cms/djangoapps/contentstore/features/studio-overview-togglesection.py b/cms/djangoapps/contentstore/features/studio-overview-togglesection.py
index 010678c0e8..00aa39455d 100644
--- a/cms/djangoapps/contentstore/features/studio-overview-togglesection.py
+++ b/cms/djangoapps/contentstore/features/studio-overview-togglesection.py
@@ -6,11 +6,13 @@ from nose.tools import assert_true, assert_false, assert_equal
 from logging import getLogger
 logger = getLogger(__name__)
 
+
 @step(u'I have a course with no sections$')
 def have_a_course(step):
     clear_courses()
     course = CourseFactory.create()
 
+
 @step(u'I have a course with 1 section$')
 def have_a_course_with_1_section(step):
     clear_courses()
@@ -18,8 +20,9 @@ def have_a_course_with_1_section(step):
     section = ItemFactory.create(parent_location=course.location)
     subsection1 = ItemFactory.create(
         parent_location=section.location,
-        template = 'i4x://edx/templates/sequential/Empty',
-        display_name = 'Subsection One',)
+        template='i4x://edx/templates/sequential/Empty',
+        display_name='Subsection One',)
+
 
 @step(u'I have a course with multiple sections$')
 def have_a_course_with_two_sections(step):
@@ -28,19 +31,20 @@ def have_a_course_with_two_sections(step):
     section = ItemFactory.create(parent_location=course.location)
     subsection1 = ItemFactory.create(
         parent_location=section.location,
-        template = 'i4x://edx/templates/sequential/Empty',
-        display_name = 'Subsection One',)
+        template='i4x://edx/templates/sequential/Empty',
+        display_name='Subsection One',)
     section2 = ItemFactory.create(
         parent_location=course.location,
         display_name='Section Two',)
     subsection2 = ItemFactory.create(
         parent_location=section2.location,
-        template = 'i4x://edx/templates/sequential/Empty',
-        display_name = 'Subsection Alpha',)
+        template='i4x://edx/templates/sequential/Empty',
+        display_name='Subsection Alpha',)
     subsection3 = ItemFactory.create(
         parent_location=section2.location,
-        template = 'i4x://edx/templates/sequential/Empty',
-        display_name = 'Subsection Beta',)
+        template='i4x://edx/templates/sequential/Empty',
+        display_name='Subsection Beta',)
+
 
 @step(u'I navigate to the course overview page$')
 def navigate_to_the_course_overview_page(step):
@@ -48,15 +52,18 @@ def navigate_to_the_course_overview_page(step):
     course_locator = '.class-name'
     css_click(course_locator)
 
+
 @step(u'I navigate to the courseware page of a course with multiple sections')
 def nav_to_the_courseware_page_of_a_course_with_multiple_sections(step):
     step.given('I have a course with multiple sections')
     step.given('I navigate to the course overview page')
 
+
 @step(u'I add a section')
 def i_add_a_section(step):
     add_section(name='My New Section That I Just Added')
 
+
 @step(u'I click the "([^"]*)" link$')
 def i_click_the_text_span(step, text):
     span_locator = '.toggle-button-sections span'
@@ -65,16 +72,19 @@ def i_click_the_text_span(step, text):
     assert_equal(world.browser.find_by_css(span_locator).value, text)
     css_click(span_locator)
 
+
 @step(u'I collapse the first section$')
 def i_collapse_a_section(step):
     collapse_locator = 'section.courseware-section a.collapse'
     css_click(collapse_locator)
 
+
 @step(u'I expand the first section$')
 def i_expand_a_section(step):
     expand_locator = 'section.courseware-section a.expand'
     css_click(expand_locator)
 
+
 @step(u'I see the "([^"]*)" link$')
 def i_see_the_span_with_text(step, text):
     span_locator = '.toggle-button-sections span'
@@ -82,6 +92,7 @@ def i_see_the_span_with_text(step, text):
     assert_equal(world.browser.find_by_css(span_locator).value, text)
     assert_true(world.browser.find_by_css(span_locator).visible)
 
+
 @step(u'I do not see the "([^"]*)" link$')
 def i_do_not_see_the_span_with_text(step, text):
     # Note that the span will exist on the page but not be visible
@@ -89,6 +100,7 @@ def i_do_not_see_the_span_with_text(step, text):
     assert_true(world.browser.is_element_present_by_css(span_locator))
     assert_false(world.browser.find_by_css(span_locator).visible)
 
+
 @step(u'all sections are expanded$')
 def all_sections_are_expanded(step):
     subsection_locator = 'div.subsection-list'
@@ -96,9 +108,10 @@ def all_sections_are_expanded(step):
     for s in subsections:
         assert_true(s.visible)
 
+
 @step(u'all sections are collapsed$')
 def all_sections_are_expanded(step):
     subsection_locator = 'div.subsection-list'
     subsections = world.browser.find_by_css(subsection_locator)
     for s in subsections:
-        assert_false(s.visible)
\ No newline at end of file
+        assert_false(s.visible)
diff --git a/cms/djangoapps/contentstore/features/subsection.py b/cms/djangoapps/contentstore/features/subsection.py
index ea614d3feb..e2041b8dbf 100644
--- a/cms/djangoapps/contentstore/features/subsection.py
+++ b/cms/djangoapps/contentstore/features/subsection.py
@@ -2,6 +2,8 @@ from lettuce import world, step
 from common import *
 
 ############### ACTIONS ####################
+
+
 @step('I have opened a new course section in Studio$')
 def i_have_opened_a_new_course_section(step):
     clear_courses()
@@ -9,31 +11,37 @@ def i_have_opened_a_new_course_section(step):
     create_a_course()
     add_section()
 
+
 @step('I click the New Subsection link')
 def i_click_the_new_subsection_link(step):
     css = 'a.new-subsection-item'
     css_click(css)
 
+
 @step('I enter the subsection name and click save$')
 def i_save_subsection_name(step):
     name_css = 'input.new-subsection-name-input'
     save_css = 'input.new-subsection-name-save'
-    css_fill(name_css,'Subsection One')
+    css_fill(name_css, 'Subsection One')
     css_click(save_css)
 
+
 @step('I have added a new subsection$')
 def i_have_added_a_new_subsection(step):
     add_subsection()
 
 ############ ASSERTIONS ###################
+
+
 @step('I see my subsection on the Courseware page$')
 def i_see_my_subsection_on_the_courseware_page(step):
     css = 'span.subsection-name'
-    assert world.browser.is_element_present_by_css(css)    
+    assert world.browser.is_element_present_by_css(css)
     css = 'span.subsection-name-value'
-    assert_css_with_text(css,'Subsection One')
+    assert_css_with_text(css, 'Subsection One')
+
 
 @step('the subsection does not exist$')
 def the_subsection_does_not_exist(step):
     css = 'span.subsection-name'
-    assert world.browser.is_element_not_present_by_css(css)
\ No newline at end of file
+    assert world.browser.is_element_not_present_by_css(css)
diff --git a/cms/djangoapps/contentstore/management/commands/clone.py b/cms/djangoapps/contentstore/management/commands/clone.py
index 2357cd1dbd..abf04f3da3 100644
--- a/cms/djangoapps/contentstore/management/commands/clone.py
+++ b/cms/djangoapps/contentstore/management/commands/clone.py
@@ -14,6 +14,7 @@ from auth.authz import _copy_course_group
 # To run from command line: rake cms:clone SOURCE_LOC=MITx/111/Foo1 DEST_LOC=MITx/135/Foo3
 #
 
+
 class Command(BaseCommand):
     help = \
 '''Clone a MongoDB backed course to another location'''
diff --git a/cms/djangoapps/contentstore/management/commands/delete_course.py b/cms/djangoapps/contentstore/management/commands/delete_course.py
index 0313f7faed..bb38e72d44 100644
--- a/cms/djangoapps/contentstore/management/commands/delete_course.py
+++ b/cms/djangoapps/contentstore/management/commands/delete_course.py
@@ -15,6 +15,7 @@ from auth.authz import _delete_course_group
 # To run from command line: rake cms:delete_course LOC=MITx/111/Foo1
 #
 
+
 class Command(BaseCommand):
     help = \
 '''Delete a MongoDB backed course'''
@@ -35,6 +36,3 @@ class Command(BaseCommand):
               print 'removing User permissions from course....'
               # in the django layer, we need to remove all the user permissions groups associated with this course
               _delete_course_group(loc)            
-
-
-
diff --git a/cms/djangoapps/contentstore/management/commands/prompt.py b/cms/djangoapps/contentstore/management/commands/prompt.py
index 9c8fd81d45..211c48406c 100644
--- a/cms/djangoapps/contentstore/management/commands/prompt.py
+++ b/cms/djangoapps/contentstore/management/commands/prompt.py
@@ -1,5 +1,6 @@
 import sys
 
+
 def query_yes_no(question, default="yes"):
     """Ask a yes/no question via raw_input() and return their answer.
 
@@ -30,4 +31,4 @@ def query_yes_no(question, default="yes"):
             return valid[choice]
         else:
             sys.stdout.write("Please respond with 'yes' or 'no' "\
-                             "(or 'y' or 'n').\n")
\ No newline at end of file
+                             "(or 'y' or 'n').\n")
diff --git a/cms/djangoapps/contentstore/module_info_model.py b/cms/djangoapps/contentstore/module_info_model.py
index 3b783c8815..7ed4505c94 100644
--- a/cms/djangoapps/contentstore/module_info_model.py
+++ b/cms/djangoapps/contentstore/module_info_model.py
@@ -1,94 +1,92 @@
-import logging
 from static_replace import replace_static_urls
 from xmodule.modulestore.exceptions import ItemNotFoundError
 from xmodule.modulestore import Location
-from xmodule.modulestore.django import modulestore
-from lxml import etree
-import re
-from django.http import HttpResponseBadRequest, Http404
+from django.http import Http404
 
-def get_module_info(store, location, parent_location = None, rewrite_static_links = False):
-  try:
-    if location.revision is None:
-        module = store.get_item(location)
-    else:
-        module = store.get_item(location)
-  except ItemNotFoundError:
-    raise Http404
 
-  data = module.definition['data']
-  if rewrite_static_links:
-    data = replace_static_urls(
-        module.definition['data'],
-        None,
-        course_namespace=Location([
-            module.location.tag,
-            module.location.org,
-            module.location.course,
+def get_module_info(store, location, parent_location=None, rewrite_static_links=False):
+    try:
+        if location.revision is None:
+            module = store.get_item(location)
+        else:
+            module = store.get_item(location)
+    except ItemNotFoundError:
+        # create a new one
+        template_location = Location(['i4x', 'edx', 'templates', location.category, 'Empty'])
+        module = store.clone_item(template_location, location)
+
+    data = module.definition['data']
+    if rewrite_static_links:
+        data = replace_static_urls(
+            module.definition['data'],
             None,
-            None
-        ])
-    )
+            course_namespace=Location([
+                module.location.tag,
+                module.location.org,
+                module.location.course,
+                None,
+                None
+            ])
+        )
 
-  return {
+    return {
         'id': module.location.url(),
         'data': data,
         'metadata': module.metadata
     }
 
+
 def set_module_info(store, location, post_data):
-  module = None
-  isNew = False
-  try:
-    if location.revision is None:
-        module = store.get_item(location)
-    else:
-        module = store.get_item(location)
-  except:
-    pass
+    module = None
+    try:
+        if location.revision is None:
+            module = store.get_item(location)
+        else:
+            module = store.get_item(location)
+    except:
+        pass
 
-  if module is None:
-    # new module at this location
-    # presume that we have an 'Empty' template
-    template_location = Location(['i4x', 'edx', 'templates', location.category, 'Empty'])
-    module = store.clone_item(template_location, location)
-    isNew = True
+    if module is None:
+        # new module at this location
+        # presume that we have an 'Empty' template
+        template_location = Location(['i4x', 'edx', 'templates', location.category, 'Empty'])
+        module = store.clone_item(template_location, location)
 
-  if post_data.get('data') is not None:
-      data = post_data['data']
-      store.update_item(location, data)
+    if post_data.get('data') is not None:
+        data = post_data['data']
+        store.update_item(location, data)
 
-  # cdodge: note calling request.POST.get('children') will return None if children is an empty array
-  # so it lead to a bug whereby the last component to be deleted in the UI was not actually
-  # deleting the children object from the children collection
-  if 'children' in post_data and post_data['children'] is not None:
-      children = post_data['children']
-      store.update_children(location, children)
+    # cdodge: note calling request.POST.get('children') will return None if children is an empty array
+    # so it lead to a bug whereby the last component to be deleted in the UI was not actually
+    # deleting the children object from the children collection
+    if 'children' in post_data and post_data['children'] is not None:
+        children = post_data['children']
+        store.update_children(location, children)
 
-  # cdodge: also commit any metadata which might have been passed along in the
-  # POST from the client, if it is there
-  # NOTE, that the postback is not the complete metadata, as there's system metadata which is
-  # not presented to the end-user for editing. So let's fetch the original and
-  # 'apply' the submitted metadata, so we don't end up deleting system metadata
-  if post_data.get('metadata') is not None:
-      posted_metadata = post_data['metadata']
-
-      # update existing metadata with submitted metadata (which can be partial)
-      # IMPORTANT NOTE: if the client passed pack 'null' (None) for a piece of metadata that means 'remove it'
-      for metadata_key in posted_metadata.keys():
-
-          # let's strip out any metadata fields from the postback which have been identified as system metadata
-          # and therefore should not be user-editable, so we should accept them back from the client
-          if metadata_key in module.system_metadata_fields:
-              del posted_metadata[metadata_key]
-          elif posted_metadata[metadata_key] is None:
-              # remove both from passed in collection as well as the collection read in from the modulestore
-              if metadata_key in module.metadata:
-                  del module.metadata[metadata_key]
-              del posted_metadata[metadata_key]
-
-      # overlay the new metadata over the modulestore sourced collection to support partial updates
-      module.metadata.update(posted_metadata)
-
-      # commit to datastore
-      store.update_metadata(location, module.metadata)
+    # cdodge: also commit any metadata which might have been passed along in the
+    # POST from the client, if it is there
+    # NOTE, that the postback is not the complete metadata, as there's system metadata which is
+    # not presented to the end-user for editing. So let's fetch the original and
+    # 'apply' the submitted metadata, so we don't end up deleting system metadata
+    if post_data.get('metadata') is not None:
+        posted_metadata = post_data['metadata']
+        
+        # update existing metadata with submitted metadata (which can be partial)
+        # IMPORTANT NOTE: if the client passed pack 'null' (None) for a piece of metadata that means 'remove it'
+        for metadata_key in posted_metadata.keys():
+        
+            # let's strip out any metadata fields from the postback which have been identified as system metadata
+            # and therefore should not be user-editable, so we should accept them back from the client
+            if metadata_key in module.system_metadata_fields:
+                del posted_metadata[metadata_key]
+            elif posted_metadata[metadata_key] is None:
+                # remove both from passed in collection as well as the collection read in from the modulestore
+                if metadata_key in module.metadata:
+                    del module.metadata[metadata_key]
+                del posted_metadata[metadata_key]
+        
+        # overlay the new metadata over the modulestore sourced collection to support partial updates
+        module.metadata.update(posted_metadata)
+        
+        # commit to datastore
+        store.update_metadata(location, module.metadata)
diff --git a/cms/djangoapps/contentstore/tests/factories.py b/cms/djangoapps/contentstore/tests/factories.py
index cb9f451d38..d15610f11c 100644
--- a/cms/djangoapps/contentstore/tests/factories.py
+++ b/cms/djangoapps/contentstore/tests/factories.py
@@ -1,117 +1,49 @@
 from factory import Factory
-from xmodule.modulestore import Location
-from xmodule.modulestore.django import modulestore
-from time import gmtime
+from datetime import datetime
 from uuid import uuid4
-from xmodule.timeparse import stringify_time
+from student.models import (User, UserProfile, Registration,
+                            CourseEnrollmentAllowed)
+from django.contrib.auth.models import Group
 
 
-def XMODULE_COURSE_CREATION(class_to_create, **kwargs): 
-    return XModuleCourseFactory._create(class_to_create, **kwargs)
+class UserProfileFactory(Factory):
+    FACTORY_FOR = UserProfile
 
-def XMODULE_ITEM_CREATION(class_to_create, **kwargs):
-    return XModuleItemFactory._create(class_to_create, **kwargs)
+    user = None
+    name = 'Robot Studio'
+    courseware = 'course.xml'
 
-class XModuleCourseFactory(Factory):
-    """
-    Factory for XModule courses.
-    """
 
-    ABSTRACT_FACTORY = True
-    _creation_function = (XMODULE_COURSE_CREATION,)
+class RegistrationFactory(Factory):
+    FACTORY_FOR = Registration
 
-    @classmethod
-    def _create(cls, target_class, *args, **kwargs):
+    user = None
+    activation_key = uuid4().hex
 
-        template = Location('i4x', 'edx', 'templates', 'course', 'Empty')
-        org = kwargs.get('org')
-        number = kwargs.get('number')
-        display_name = kwargs.get('display_name')
-        location = Location('i4x', org, number, 
-                            'course', Location.clean(display_name))
 
-        store = modulestore('direct')
+class UserFactory(Factory):
+    FACTORY_FOR = User
 
-        # Write the data to the mongo datastore
-        new_course = store.clone_item(template, location)
+    username = 'robot'
+    email = 'robot@edx.org'
+    password = 'test'
+    first_name = 'Robot'
+    last_name = 'Tester'
+    is_staff = False
+    is_active = True
+    is_superuser = False
+    last_login = datetime.now()
+    date_joined = datetime.now()
 
-        # This metadata code was copied from cms/djangoapps/contentstore/views.py
-        if display_name is not None:
-            new_course.metadata['display_name'] = display_name
 
-        new_course.metadata['data_dir'] = uuid4().hex
-        new_course.metadata['start'] = stringify_time(gmtime())
-        new_course.tabs = [{"type": "courseware"}, 
-            {"type": "course_info", "name": "Course Info"}, 
-            {"type": "discussion", "name": "Discussion"},
-            {"type": "wiki", "name": "Wiki"},
-            {"type": "progress", "name": "Progress"}]
+class GroupFactory(Factory):
+    FACTORY_FOR = Group
 
-        # Update the data in the mongo datastore
-        store.update_metadata(new_course.location.url(), new_course.own_metadata)   
+    name = 'test_group'
 
-        return new_course
 
-class Course:
-    pass
+class CourseEnrollmentAllowedFactory(Factory):
+    FACTORY_FOR = CourseEnrollmentAllowed
 
-class CourseFactory(XModuleCourseFactory):
-    FACTORY_FOR = Course
-
-    template = 'i4x://edx/templates/course/Empty'
-    org = 'MITx'
-    number = '999'
-    display_name = 'Robot Super Course'
-
-class XModuleItemFactory(Factory):
-    """
-    Factory for XModule items.
-    """
-
-    ABSTRACT_FACTORY = True
-    _creation_function = (XMODULE_ITEM_CREATION,)
-
-    @classmethod
-    def _create(cls, target_class, *args, **kwargs):
-        """
-        kwargs must include parent_location, template. Can contain display_name
-        target_class is ignored
-        """
-
-        DETACHED_CATEGORIES = ['about', 'static_tab', 'course_info']
-        
-        parent_location = Location(kwargs.get('parent_location'))
-        template = Location(kwargs.get('template'))
-        display_name = kwargs.get('display_name')
-
-        store = modulestore('direct')
-
-        # This code was based off that in cms/djangoapps/contentstore/views.py
-        parent = store.get_item(parent_location)
-        dest_location = parent_location._replace(category=template.category, name=uuid4().hex)
-
-        new_item = store.clone_item(template, dest_location)
-
-        # TODO: This needs to be deleted when we have proper storage for static content
-        new_item.metadata['data_dir'] = parent.metadata['data_dir']
-
-        # replace the display name with an optional parameter passed in from the caller
-        if display_name is not None:
-            new_item.metadata['display_name'] = display_name
-
-        store.update_metadata(new_item.location.url(), new_item.own_metadata)
-
-        if new_item.location.category not in DETACHED_CATEGORIES:
-            store.update_children(parent_location, parent.definition.get('children', []) + [new_item.location.url()])
-
-        return new_item
-
-class Item:
-    pass
-
-class ItemFactory(XModuleItemFactory):
-    FACTORY_FOR = Item
-
-    parent_location = 'i4x://MITx/999/course/Robot_Super_Course'
-    template = 'i4x://edx/templates/chapter/Empty'
-    display_name = 'Section One'
\ No newline at end of file
+    email = 'test@edx.org'
+    course_id = 'edX/test/2012_Fall'
diff --git a/cms/djangoapps/contentstore/tests/test_contentstore.py b/cms/djangoapps/contentstore/tests/test_contentstore.py
new file mode 100644
index 0000000000..b3bdf4554d
--- /dev/null
+++ b/cms/djangoapps/contentstore/tests/test_contentstore.py
@@ -0,0 +1,411 @@
+import json
+import shutil
+from django.test.client import Client
+from django.test.utils import override_settings
+from django.conf import settings
+from django.core.urlresolvers import reverse
+from path import path
+from tempfile import mkdtemp
+import json
+from fs.osfs import OSFS
+import copy
+from mock import Mock
+from json import dumps, loads
+
+from student.models import Registration
+from django.contrib.auth.models import User
+from cms.djangoapps.contentstore.utils import get_modulestore
+
+from utils import ModuleStoreTestCase, parse_json
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
+
+from xmodule.modulestore import Location
+from xmodule.modulestore.store_utilities import clone_course
+from xmodule.modulestore.store_utilities import delete_course
+from xmodule.modulestore.django import modulestore, _MODULESTORES
+from xmodule.contentstore.django import contentstore
+from xmodule.templates import update_templates
+from xmodule.modulestore.xml_exporter import export_to_xml
+from xmodule.modulestore.xml_importer import import_from_xml
+
+from xmodule.capa_module import CapaDescriptor
+from xmodule.course_module import CourseDescriptor
+from xmodule.seq_module import SequenceDescriptor
+
+TEST_DATA_MODULESTORE = copy.deepcopy(settings.MODULESTORE)
+TEST_DATA_MODULESTORE['default']['OPTIONS']['fs_root'] = path('common/test/data')
+TEST_DATA_MODULESTORE['direct']['OPTIONS']['fs_root'] = path('common/test/data')
+
+
+@override_settings(MODULESTORE=TEST_DATA_MODULESTORE)
+class ContentStoreToyCourseTest(ModuleStoreTestCase):
+    """
+    Tests that rely on the toy courses.
+    TODO: refactor using CourseFactory so they do not.
+    """
+    def setUp(self):
+        uname = 'testuser'
+        email = 'test+courses@edx.org'
+        password = 'foo'
+
+        # Create the use so we can log them in.
+        self.user = User.objects.create_user(uname, email, password)
+
+        # Note that we do not actually need to do anything
+        # for registration if we directly mark them active.
+        self.user.is_active = True
+        # Staff has access to view all courses
+        self.user.is_staff = True
+        self.user.save()
+
+        self.client = Client()
+        self.client.login(username=uname, password=password)
+
+
+    def check_edit_unit(self, test_course_name):
+        import_from_xml(modulestore(), 'common/test/data/', [test_course_name])
+
+        for descriptor in modulestore().get_items(Location(None, None, 'vertical', None, None)):
+            print "Checking ", descriptor.location.url()
+            print descriptor.__class__, descriptor.location
+            resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
+            self.assertEqual(resp.status_code, 200)
+
+    def test_edit_unit_toy(self):
+        self.check_edit_unit('toy')
+
+    def test_edit_unit_full(self):
+        self.check_edit_unit('full')
+
+    def test_static_tab_reordering(self):
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+
+        ms = modulestore('direct')
+        course = ms.get_item(Location(['i4x', 'edX', 'full', 'course', '6.002_Spring_2012', None]))
+
+        # reverse the ordering
+        reverse_tabs = []
+        for tab in course.tabs:
+            if tab['type'] == 'static_tab':
+                reverse_tabs.insert(0, 'i4x://edX/full/static_tab/{0}'.format(tab['url_slug']))
+
+        resp = self.client.post(reverse('reorder_static_tabs'), json.dumps({'tabs': reverse_tabs}), "application/json")
+
+        course = ms.get_item(Location(['i4x', 'edX', 'full', 'course', '6.002_Spring_2012', None]))
+
+        # compare to make sure that the tabs information is in the expected order after the server call
+        course_tabs = []
+        for tab in course.tabs:
+            if tab['type'] == 'static_tab':
+                course_tabs.append('i4x://edX/full/static_tab/{0}'.format(tab['url_slug']))
+
+        self.assertEqual(reverse_tabs, course_tabs)
+
+    def test_about_overrides(self):
+        '''
+        This test case verifies that a course can use specialized override for about data, e.g. /about/Fall_2012/effort.html
+        while there is a base definition in /about/effort.html
+        '''
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+        ms = modulestore('direct')
+        effort = ms.get_item(Location(['i4x', 'edX', 'full', 'about', 'effort', None]))
+        self.assertEqual(effort.definition['data'], '6 hours')
+
+        # this one should be in a non-override folder
+        effort = ms.get_item(Location(['i4x', 'edX', 'full', 'about', 'end_date', None]))
+        self.assertEqual(effort.definition['data'], 'TBD')
+
+    def test_remove_hide_progress_tab(self):
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+
+        ms = modulestore('direct')
+        cs = contentstore()
+
+        source_location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
+        course = ms.get_item(source_location)
+        self.assertNotIn('hide_progress_tab', course.metadata)
+
+    def test_clone_course(self):
+
+        course_data = {
+            'template': 'i4x://edx/templates/course/Empty',
+            'org': 'MITx',
+            'number': '999',
+            'display_name': 'Robot Super Course',
+            }
+
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+
+        resp = self.client.post(reverse('create_new_course'), course_data)
+        self.assertEqual(resp.status_code, 200)
+        data = parse_json(resp)
+        self.assertEqual(data['id'], 'i4x://MITx/999/course/Robot_Super_Course')
+
+        ms = modulestore('direct')
+        cs = contentstore()
+
+        source_location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
+        dest_location = CourseDescriptor.id_to_location('MITx/999/Robot_Super_Course')
+
+        clone_course(ms, cs, source_location, dest_location)
+
+        # now loop through all the units in the course and verify that the clone can render them, which
+        # means the objects are at least present
+        items = ms.get_items(Location(['i4x', 'edX', 'full', 'vertical', None]))
+        self.assertGreater(len(items), 0)
+        clone_items = ms.get_items(Location(['i4x', 'MITx', '999', 'vertical', None]))
+        self.assertGreater(len(clone_items), 0)
+        for descriptor in items:
+            new_loc = descriptor.location._replace(org='MITx', course='999')
+            print "Checking {0} should now also be at {1}".format(descriptor.location.url(), new_loc.url())
+            resp = self.client.get(reverse('edit_unit', kwargs={'location': new_loc.url()}))
+            self.assertEqual(resp.status_code, 200)
+
+    def test_delete_course(self):
+        import_from_xml(modulestore(), 'common/test/data/', ['full'])
+
+        ms = modulestore('direct')
+        cs = contentstore()
+
+        location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
+
+        delete_course(ms, cs, location)
+
+        items = ms.get_items(Location(['i4x', 'edX', 'full', 'vertical', None]))
+        self.assertEqual(len(items), 0)
+
+    def verify_content_existence(self, modulestore, root_dir, location, dirname, category_name, filename_suffix=''):
+        fs = OSFS(root_dir / 'test_export')
+        self.assertTrue(fs.exists(dirname))
+
+        query_loc = Location('i4x', location.org, location.course, category_name, None)
+        items = modulestore.get_items(query_loc)
+
+        for item in items:
+            fs = OSFS(root_dir / ('test_export/' + dirname))
+            self.assertTrue(fs.exists(item.location.name + filename_suffix))
+
+    def test_export_course(self):
+        ms = modulestore('direct')
+        cs = contentstore()
+
+        import_from_xml(ms, 'common/test/data/', ['full'])
+        location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
+
+        root_dir = path(mkdtemp())
+
+        print 'Exporting to tempdir = {0}'.format(root_dir)
+
+        # export out to a tempdir
+        export_to_xml(ms, cs, location, root_dir, 'test_export')
+
+        # check for static tabs
+        self.verify_content_existence(ms, root_dir, location, 'tabs', 'static_tab', '.html')
+
+        # check for custom_tags
+        self.verify_content_existence(ms, root_dir, location, 'info', 'course_info', '.html')
+
+        # check for custom_tags
+        self.verify_content_existence(ms, root_dir, location, 'custom_tags', 'custom_tag_template')
+
+        # check for graiding_policy.json
+        fs = OSFS(root_dir / 'test_export/policies/6.002_Spring_2012')
+        self.assertTrue(fs.exists('grading_policy.json'))
+
+        # compare what's on disk compared to what we have in our course
+        with fs.open('grading_policy.json','r') as grading_policy:
+            on_disk = loads(grading_policy.read())
+            course = ms.get_item(location)
+            self.assertEqual(on_disk, course.definition['data']['grading_policy'])
+
+        # remove old course
+        delete_course(ms, cs, location)
+
+        # reimport
+        import_from_xml(ms, root_dir, ['test_export'])
+
+        items = ms.get_items(Location(['i4x', 'edX', 'full', 'vertical', None]))
+        self.assertGreater(len(items), 0)
+        for descriptor in items:
+            print "Checking {0}....".format(descriptor.location.url())
+            resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
+            self.assertEqual(resp.status_code, 200)
+
+        shutil.rmtree(root_dir)
+
+    def test_course_handouts_rewrites(self):
+        ms = modulestore('direct')
+        cs = contentstore()
+
+        # import a test course
+        import_from_xml(ms, 'common/test/data/', ['full'])
+
+        handout_location = Location(['i4x', 'edX', 'full', 'course_info', 'handouts'])
+
+        # get module info
+        resp = self.client.get(reverse('module_info', kwargs={'module_location': handout_location}))
+
+        # make sure we got a successful response
+        self.assertEqual(resp.status_code, 200)
+
+        # check that /static/ has been converted to the full path
+        # note, we know the link it should be because that's what in the 'full' course in the test data
+        self.assertContains(resp, '/c4x/edX/full/asset/handouts_schematic_tutorial.pdf')
+
+
+class ContentStoreTest(ModuleStoreTestCase):
+    """
+    Tests for the CMS ContentStore application.
+    """
+    def setUp(self):
+        """
+        These tests need a user in the DB so that the django Test Client
+        can log them in.
+        They inherit from the ModuleStoreTestCase class so that the mongodb collection
+        will be cleared out before each test case execution and deleted
+        afterwards.
+        """
+        uname = 'testuser'
+        email = 'test+courses@edx.org'
+        password = 'foo'
+
+        # Create the use so we can log them in.
+        self.user = User.objects.create_user(uname, email, password)
+
+        # Note that we do not actually need to do anything
+        # for registration if we directly mark them active.
+        self.user.is_active = True
+        # Staff has access to view all courses
+        self.user.is_staff = True
+        self.user.save()
+
+        self.client = Client()
+        self.client.login(username=uname, password=password)
+
+        self.course_data = {
+            'template': 'i4x://edx/templates/course/Empty',
+            'org': 'MITx',
+            'number': '999',
+            'display_name': 'Robot Super Course',
+            }
+
+    def test_create_course(self):
+        """Test new course creation - happy path"""
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        self.assertEqual(resp.status_code, 200)
+        data = parse_json(resp)
+        self.assertEqual(data['id'], 'i4x://MITx/999/course/Robot_Super_Course')
+
+    def test_create_course_duplicate_course(self):
+        """Test new course creation - error path"""
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        data = parse_json(resp)
+        self.assertEqual(resp.status_code, 200)
+        self.assertEqual(data['ErrMsg'], 'There is already a course defined with this name.')
+
+    def test_create_course_duplicate_number(self):
+        """Test new course creation - error path"""
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        self.course_data['display_name'] = 'Robot Super Course Two'
+
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        data = parse_json(resp)
+
+        self.assertEqual(resp.status_code, 200)
+        self.assertEqual(data['ErrMsg'],
+            'There is already a course defined with the same organization and course number.')
+
+    def test_create_course_with_bad_organization(self):
+        """Test new course creation - error path for bad organization name"""
+        self.course_data['org'] = 'University of California, Berkeley'
+        resp = self.client.post(reverse('create_new_course'), self.course_data)
+        data = parse_json(resp)
+
+        self.assertEqual(resp.status_code, 200)
+        self.assertEqual(data['ErrMsg'],
+            "Unable to create course 'Robot Super Course'.\n\nInvalid characters in 'University of California, Berkeley'.")
+
+    def test_course_index_view_with_no_courses(self):
+        """Test viewing the index page with no courses"""
+        # Create a course so there is something to view
+        resp = self.client.get(reverse('index'))
+        self.assertContains(resp,
+            '<h1>My Courses</h1>',
+            status_code=200,
+            html=True)
+
+    def test_course_factory(self):
+        """Test that the course factory works correctly."""
+        course = CourseFactory.create()
+        self.assertIsInstance(course, CourseDescriptor)
+
+    def test_item_factory(self):
+        """Test that the item factory works correctly."""
+        course = CourseFactory.create()
+        item = ItemFactory.create(parent_location=course.location)
+        self.assertIsInstance(item, SequenceDescriptor)
+
+    def test_course_index_view_with_course(self):
+        """Test viewing the index page with an existing course"""
+        CourseFactory.create(display_name='Robot Super Educational Course')
+        resp = self.client.get(reverse('index'))
+        self.assertContains(resp,
+            '<span class="class-name">Robot Super Educational Course</span>',
+            status_code=200,
+            html=True)
+
+    def test_course_overview_view_with_course(self):
+        """Test viewing the course overview page with an existing course"""
+        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
+
+        data = {
+                'org': 'MITx',
+                'course': '999',
+                'name': Location.clean('Robot Super Course'),
+                }
+
+        resp = self.client.get(reverse('course_index', kwargs=data))
+        self.assertContains(resp,
+            '<article class="courseware-overview" data-course-id="i4x://MITx/999/course/Robot_Super_Course">',
+            status_code=200,
+            html=True)
+
+    def test_clone_item(self):
+        """Test cloning an item. E.g. creating a new section"""
+        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
+
+        section_data = {
+            'parent_location': 'i4x://MITx/999/course/Robot_Super_Course',
+            'template': 'i4x://edx/templates/chapter/Empty',
+            'display_name': 'Section One',
+            }
+
+        resp = self.client.post(reverse('clone_item'), section_data)
+
+        self.assertEqual(resp.status_code, 200)
+        data = parse_json(resp)
+        self.assertRegexpMatches(data['id'],
+            '^i4x:\/\/MITx\/999\/chapter\/([0-9]|[a-f]){32}$')
+
+    def test_capa_module(self):
+        """Test that a problem treats markdown specially."""
+        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
+
+        problem_data = {
+            'parent_location': 'i4x://MITx/999/course/Robot_Super_Course',
+            'template': 'i4x://edx/templates/problem/Empty'
+            }
+
+        resp = self.client.post(reverse('clone_item'), problem_data)
+
+        self.assertEqual(resp.status_code, 200)
+        payload = parse_json(resp)
+        problem_loc = payload['id']
+        problem = get_modulestore(problem_loc).get_item(problem_loc)
+        # should be a CapaDescriptor
+        self.assertIsInstance(problem, CapaDescriptor, "New problem is not a CapaDescriptor")
+        context = problem.get_context()
+        self.assertIn('markdown', context, "markdown is missing from context")
+        self.assertIn('markdown', problem.metadata, "markdown is missing from metadata")
+        self.assertNotIn('markdown', problem.editable_metadata_fields, "Markdown slipped into the editable metadata fields")
diff --git a/cms/djangoapps/contentstore/tests/test_core_caching.py b/cms/djangoapps/contentstore/tests/test_core_caching.py
index 0cb4a4930c..676627a045 100644
--- a/cms/djangoapps/contentstore/tests/test_core_caching.py
+++ b/cms/djangoapps/contentstore/tests/test_core_caching.py
@@ -1,7 +1,8 @@
-from django.test.testcases import TestCase
 from cache_toolbox.core import get_cached_content, set_cached_content, del_cached_content
 from xmodule.modulestore import Location
 from xmodule.contentstore.content import StaticContent
+from django.test import TestCase
+
 
 class Content:
     def __init__(self, location, content):
@@ -11,6 +12,7 @@ class Content:
     def get_id(self):
         return StaticContent.get_id_from_location(self.location)
 
+
 class CachingTestCase(TestCase):
 #   Tests for https://edx.lighthouseapp.com/projects/102637/tickets/112-updating-asset-does-not-refresh-the-cached-copy
     unicodeLocation = Location(u'c4x', u'mitX', u'800', u'thumbnail', u'monsters.jpg')
@@ -32,7 +34,3 @@ class CachingTestCase(TestCase):
             'should not be stored in cache with unicodeLocation')
         self.assertEqual(None, get_cached_content(self.nonUnicodeLocation),
             'should not be stored in cache with nonUnicodeLocation')
-
-
-
-
diff --git a/cms/djangoapps/contentstore/tests/test_course_settings.py b/cms/djangoapps/contentstore/tests/test_course_settings.py
index 74eff6e9cc..05a86bf46b 100644
--- a/cms/djangoapps/contentstore/tests/test_course_settings.py
+++ b/cms/djangoapps/contentstore/tests/test_course_settings.py
@@ -1,43 +1,56 @@
-from django.test.testcases import TestCase
 import datetime
 import time
+import json
+import calendar
+import copy
+from util import converters
+from util.converters import jsdate_to_time
+
 from django.contrib.auth.models import User
-import xmodule
 from django.test.client import Client
 from django.core.urlresolvers import reverse
-from xmodule.modulestore import Location
-from cms.djangoapps.models.settings.course_details import CourseDetails,\
-    CourseSettingsEncoder
-import json
-from util import converters
-import calendar
-from util.converters import jsdate_to_time
 from django.utils.timezone import UTC
+
+import xmodule
+from xmodule.modulestore import Location
+from cms.djangoapps.models.settings.course_details import (CourseDetails,
+                                                    CourseSettingsEncoder)
 from cms.djangoapps.models.settings.course_grading import CourseGradingModel
 from cms.djangoapps.contentstore.utils import get_modulestore
-import copy
+
+from django.test import TestCase
+from utils import ModuleStoreTestCase
+from xmodule.modulestore.tests.factories import CourseFactory
+
 
 # YYYY-MM-DDThh:mm:ss.s+/-HH:MM
 class ConvertersTestCase(TestCase):
     @staticmethod
     def struct_to_datetime(struct_time):
-        return datetime.datetime(struct_time.tm_year, struct_time.tm_mon, struct_time.tm_mday, struct_time.tm_hour, 
-                                 struct_time.tm_min, struct_time.tm_sec, tzinfo = UTC())
-        
+        return datetime.datetime(struct_time.tm_year, struct_time.tm_mon, struct_time.tm_mday, struct_time.tm_hour,
+                                 struct_time.tm_min, struct_time.tm_sec, tzinfo=UTC())
+
     def compare_dates(self, date1, date2, expected_delta):
         dt1 = ConvertersTestCase.struct_to_datetime(date1)
         dt2 = ConvertersTestCase.struct_to_datetime(date2)
         self.assertEqual(dt1 - dt2, expected_delta, str(date1) + "-" + str(date2) + "!=" + str(expected_delta))
-        
+
     def test_iso_to_struct(self):
         self.compare_dates(converters.jsdate_to_time("2013-01-01"), converters.jsdate_to_time("2012-12-31"), datetime.timedelta(days=1))
         self.compare_dates(converters.jsdate_to_time("2013-01-01T00"), converters.jsdate_to_time("2012-12-31T23"), datetime.timedelta(hours=1))
         self.compare_dates(converters.jsdate_to_time("2013-01-01T00:00"), converters.jsdate_to_time("2012-12-31T23:59"), datetime.timedelta(minutes=1))
         self.compare_dates(converters.jsdate_to_time("2013-01-01T00:00:00"), converters.jsdate_to_time("2012-12-31T23:59:59"), datetime.timedelta(seconds=1))
-    
-    
-class CourseTestCase(TestCase):
+
+
+class CourseTestCase(ModuleStoreTestCase):
     def setUp(self):
+        """
+        These tests need a user in the DB so that the django Test Client
+        can log them in.
+        They inherit from the ModuleStoreTestCase class so that the mongodb collection
+        will be cleared out before each test case execution and deleted
+        afterwards.
+        """
         uname = 'testuser'
         email = 'test+courses@edx.org'
         password = 'foo'
@@ -52,36 +65,16 @@ class CourseTestCase(TestCase):
         self.user.is_staff = True
         self.user.save()
 
-        # Flush and initialize the module store
-        # It needs the templates because it creates new records
-        # by cloning from the template.
-        # Note that if your test module gets in some weird state
-        # (though it shouldn't), do this manually
-        # from the bash shell to drop it:
-        # $ mongo test_xmodule --eval "db.dropDatabase()"
-        xmodule.modulestore.django._MODULESTORES = {}
-        xmodule.modulestore.django.modulestore().collection.drop()
-        xmodule.templates.update_templates()
-
         self.client = Client()
         self.client.login(username=uname, password=password)
 
-        self.course_data = {
-            'template': 'i4x://edx/templates/course/Empty',
-            'org': 'MITx',
-            'number': '999',
-            'display_name': 'Robot Super Course',
-            }
-        self.course_location = Location('i4x', 'MITx', '999', 'course', 'Robot_Super_Course')
-        self.create_course()
+        t = 'i4x://edx/templates/course/Empty'
+        o = 'MITx'
+        n = '999'
+        dn = 'Robot Super Course'
+        self.course_location = Location('i4x', o, n, 'course', 'Robot_Super_Course')
+        CourseFactory.create(template=t, org=o, number=n, display_name=dn)
 
-    def tearDown(self):
-        xmodule.modulestore.django._MODULESTORES = {}
-        xmodule.modulestore.django.modulestore().collection.drop()
-
-    def create_course(self):
-        """Create new course"""
-        self.client.post(reverse('create_new_course'), self.course_data)
 
 class CourseDetailsTestCase(CourseTestCase):
     def test_virgin_fetch(self):
@@ -94,7 +87,7 @@ class CourseDetailsTestCase(CourseTestCase):
         self.assertEqual(details.overview, "", "overview somehow initialized" + details.overview)
         self.assertIsNone(details.intro_video, "intro_video somehow initialized" + str(details.intro_video))
         self.assertIsNone(details.effort, "effort somehow initialized" + str(details.effort))
-        
+
     def test_encoder(self):
         details = CourseDetails.fetch(self.course_location)
         jsondetails = json.dumps(details, cls=CourseSettingsEncoder)
@@ -108,7 +101,7 @@ class CourseDetailsTestCase(CourseTestCase):
         self.assertEqual(jsondetails['overview'], "", "overview somehow initialized")
         self.assertIsNone(jsondetails['intro_video'], "intro_video somehow initialized")
         self.assertIsNone(jsondetails['effort'], "effort somehow initialized")
-        
+
     def test_update_and_fetch(self):
         ## NOTE: I couldn't figure out how to validly test time setting w/ all the conversions
         jsondetails = CourseDetails.fetch(self.course_location)
@@ -126,6 +119,7 @@ class CourseDetailsTestCase(CourseTestCase):
         self.assertEqual(CourseDetails.update_from_json(jsondetails.__dict__).effort,
                              jsondetails.effort, "After set effort")
 
+
 class CourseDetailsViewTest(CourseTestCase):
     def alter_field(self, url, details, field, val):
         setattr(details, field, val)
@@ -136,9 +130,9 @@ class CourseDetailsViewTest(CourseTestCase):
         payload['end_date'] = CourseDetailsViewTest.convert_datetime_to_iso(details.end_date)
         payload['enrollment_start'] = CourseDetailsViewTest.convert_datetime_to_iso(details.enrollment_start)
         payload['enrollment_end'] = CourseDetailsViewTest.convert_datetime_to_iso(details.enrollment_end)
-        resp = self.client.post(url, json.dumps(payload), "application/json") 
+        resp = self.client.post(url, json.dumps(payload), "application/json")
         self.compare_details_with_encoding(json.loads(resp.content), details.__dict__, field + str(val))
-    
+
     @staticmethod
     def convert_datetime_to_iso(datetime):
         if datetime is not None:
@@ -146,27 +140,22 @@ class CourseDetailsViewTest(CourseTestCase):
         else:
             return None
 
-        
     def test_update_and_fetch(self):
         details = CourseDetails.fetch(self.course_location)
-        
-        resp = self.client.get(reverse('course_settings', kwargs={'org' : self.course_location.org, 'course' : self.course_location.course, 
-                                                                  'name' : self.course_location.name }))
-        self.assertContains(resp, '<li><a href="#" class="is-shown" data-section="details">Course Details</a></li>', status_code=200, html=True)
 
-        # resp s/b json from here on    
-        url = reverse('course_settings', kwargs={'org' : self.course_location.org, 'course' : self.course_location.course, 
-                                                 'name' : self.course_location.name, 'section' : 'details' })
+        # resp s/b json from here on
+        url = reverse('course_settings', kwargs={'org': self.course_location.org, 'course': self.course_location.course,
+                                                 'name': self.course_location.name, 'section': 'details'})
         resp = self.client.get(url)
         self.compare_details_with_encoding(json.loads(resp.content), details.__dict__, "virgin get")
 
         utc = UTC()
-        self.alter_field(url, details, 'start_date', datetime.datetime(2012,11,12,1,30, tzinfo=utc))        
-        self.alter_field(url, details, 'start_date', datetime.datetime(2012,11,1,13,30, tzinfo=utc))
-        self.alter_field(url, details, 'end_date', datetime.datetime(2013,2,12,1,30, tzinfo=utc))
-        self.alter_field(url, details, 'enrollment_start', datetime.datetime(2012,10,12,1,30, tzinfo=utc))
+        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 12, 1, 30, tzinfo=utc))
+        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 1, 13, 30, tzinfo=utc))
+        self.alter_field(url, details, 'end_date', datetime.datetime(2013, 2, 12, 1, 30, tzinfo=utc))
+        self.alter_field(url, details, 'enrollment_start', datetime.datetime(2012, 10, 12, 1, 30, tzinfo=utc))
 
-        self.alter_field(url, details, 'enrollment_end', datetime.datetime(2012,11,15,1,30, tzinfo=utc))
+        self.alter_field(url, details, 'enrollment_end', datetime.datetime(2012, 11, 15, 1, 30, tzinfo=utc))
         self.alter_field(url, details, 'overview', "Overview")
         self.alter_field(url, details, 'intro_video', "intro_video")
         self.alter_field(url, details, 'effort', "effort")
@@ -179,7 +168,7 @@ class CourseDetailsViewTest(CourseTestCase):
         self.assertEqual(details['overview'], encoded['overview'], context + " overviews not ==")
         self.assertEqual(details['intro_video'], encoded.get('intro_video', None), context + " intro_video not ==")
         self.assertEqual(details['effort'], encoded['effort'], context + " efforts not ==")
-        
+
     def compare_date_fields(self, details, encoded, context, field):
         if details[field] is not None:
             if field in encoded and encoded[field] is not None:
@@ -191,14 +180,15 @@ class CourseDetailsViewTest(CourseTestCase):
                 else:
                     details_encoded = jsdate_to_time(details[field])
                     dt2 = ConvertersTestCase.struct_to_datetime(details_encoded)
-                    
+
                 expected_delta =  datetime.timedelta(0)
                 self.assertEqual(dt1 - dt2, expected_delta, str(dt1) + "!=" + str(dt2) + " at " + context)
             else:
                 self.fail(field + " missing from encoded but in details at " + context)
         elif field in encoded and encoded[field] is not None:
             self.fail(field + " included in encoding but missing from details at " + context)
-    
+
+
 class CourseGradingTest(CourseTestCase):
     def test_initial_grader(self):
         descriptor = get_modulestore(self.course_location).get_item(self.course_location)
@@ -218,58 +208,56 @@ class CourseGradingTest(CourseTestCase):
         self.assertEqual(self.course_location, test_grader.course_location, "Course locations")
         self.assertIsNotNone(test_grader.graders, "No graders")
         self.assertIsNotNone(test_grader.grade_cutoffs, "No cutoffs")
-        
+
         for i, grader in enumerate(test_grader.graders):
             subgrader = CourseGradingModel.fetch_grader(self.course_location, i)
             self.assertDictEqual(grader, subgrader, str(i) + "th graders not equal")
-            
+
         subgrader = CourseGradingModel.fetch_grader(self.course_location.list(), 0)
         self.assertDictEqual(test_grader.graders[0], subgrader, "failed with location as list")
-        
+
     def test_fetch_cutoffs(self):
         test_grader = CourseGradingModel.fetch_cutoffs(self.course_location)
         # ??? should this check that it's at least a dict? (expected is { "pass" : 0.5 } I think)
         self.assertIsNotNone(test_grader, "No cutoffs via fetch")
-        
+
         test_grader = CourseGradingModel.fetch_cutoffs(self.course_location.url())
         self.assertIsNotNone(test_grader, "No cutoffs via fetch with url")
-        
+
     def test_fetch_grace(self):
         test_grader = CourseGradingModel.fetch_grace_period(self.course_location)
         # almost a worthless test
         self.assertIn('grace_period', test_grader, "No grace via fetch")
-        
+
         test_grader = CourseGradingModel.fetch_grace_period(self.course_location.url())
         self.assertIn('grace_period', test_grader, "No cutoffs via fetch with url")
-        
+
     def test_update_from_json(self):
         test_grader = CourseGradingModel.fetch(self.course_location)
         altered_grader = CourseGradingModel.update_from_json(test_grader.__dict__)
         self.assertDictEqual(test_grader.__dict__, altered_grader.__dict__, "Noop update")
-        
+
         test_grader.graders[0]['weight'] = test_grader.graders[0].get('weight') * 2
         altered_grader = CourseGradingModel.update_from_json(test_grader.__dict__)
         self.assertDictEqual(test_grader.__dict__, altered_grader.__dict__, "Weight[0] * 2")
-        
+
         test_grader.grade_cutoffs['D'] = 0.3
         altered_grader = CourseGradingModel.update_from_json(test_grader.__dict__)
         self.assertDictEqual(test_grader.__dict__, altered_grader.__dict__, "cutoff add D")
-        
+
         test_grader.grace_period = {'hours' :  '4'}
         altered_grader = CourseGradingModel.update_from_json(test_grader.__dict__)
         self.assertDictEqual(test_grader.__dict__, altered_grader.__dict__, "4 hour grace period")
-        
+
     def test_update_grader_from_json(self):
         test_grader = CourseGradingModel.fetch(self.course_location)
         altered_grader = CourseGradingModel.update_grader_from_json(test_grader.course_location, test_grader.graders[1])
         self.assertDictEqual(test_grader.graders[1], altered_grader, "Noop update")
-        
+
         test_grader.graders[1]['min_count'] = test_grader.graders[1].get('min_count') + 2
         altered_grader = CourseGradingModel.update_grader_from_json(test_grader.course_location, test_grader.graders[1])
         self.assertDictEqual(test_grader.graders[1], altered_grader, "min_count[1] + 2")
-        
+
         test_grader.graders[1]['drop_count'] = test_grader.graders[1].get('drop_count') + 1
         altered_grader = CourseGradingModel.update_grader_from_json(test_grader.course_location, test_grader.graders[1])
         self.assertDictEqual(test_grader.graders[1], altered_grader, "drop_count[1] + 2")
-        
-        
diff --git a/cms/djangoapps/contentstore/tests/test_course_updates.py b/cms/djangoapps/contentstore/tests/test_course_updates.py
index 96e4468b31..c57f1322f5 100644
--- a/cms/djangoapps/contentstore/tests/test_course_updates.py
+++ b/cms/djangoapps/contentstore/tests/test_course_updates.py
@@ -2,29 +2,30 @@ from cms.djangoapps.contentstore.tests.test_course_settings import CourseTestCas
 from django.core.urlresolvers import reverse
 import json
 
+
 class CourseUpdateTest(CourseTestCase):
     def test_course_update(self):
         # first get the update to force the creation
-        url = reverse('course_info', kwargs={'org' : self.course_location.org, 'course' : self.course_location.course, 
-                                       'name' : self.course_location.name })
+        url = reverse('course_info', kwargs={'org': self.course_location.org, 'course': self.course_location.course,
+                                       'name': self.course_location.name})
         self.client.get(url)
 
         content = '<iframe width="560" height="315" src="http://www.youtube.com/embed/RocY-Jd93XU" frameborder="0"></iframe>'
-        payload = { 'content' : content,
-                   'date' : 'January 8, 2013'}
-        url = reverse('course_info', kwargs={'org' : self.course_location.org, 'course' : self.course_location.course,
-                                             'provided_id' : ''})
-        
+        payload = {'content': content,
+                   'date': 'January 8, 2013'}
+        url = reverse('course_info', kwargs={'org': self.course_location.org, 'course': self.course_location.course,
+                                             'provided_id': ''})
+
         resp = self.client.post(url, json.dumps(payload), "application/json")
-        
-        payload= json.loads(resp.content)
-        
+
+        payload = json.loads(resp.content)
+
         self.assertHTMLEqual(content, payload['content'], "single iframe")
-        
-        url = reverse('course_info', kwargs={'org' : self.course_location.org, 'course' : self.course_location.course,
-                                             'provided_id' : payload['id']})
+
+        url = reverse('course_info', kwargs={'org': self.course_location.org, 'course': self.course_location.course,
+                                             'provided_id': payload['id']})
         content += '<div>div <p>p</p></div>'
         payload['content'] = content
         resp = self.client.post(url, json.dumps(payload), "application/json")
-        
+
         self.assertHTMLEqual(content, json.loads(resp.content)['content'], "iframe w/ div")
diff --git a/cms/djangoapps/contentstore/tests/test_utils.py b/cms/djangoapps/contentstore/tests/test_utils.py
index 13f6189cc5..09e3b045f9 100644
--- a/cms/djangoapps/contentstore/tests/test_utils.py
+++ b/cms/djangoapps/contentstore/tests/test_utils.py
@@ -1,16 +1,17 @@
-from django.test.testcases import TestCase
 from  cms.djangoapps.contentstore import utils
 import mock
+from django.test import TestCase
+
 
 class LMSLinksTestCase(TestCase):
     def about_page_test(self):
-        location = 'i4x','mitX','101','course', 'test'
+        location = 'i4x', 'mitX', '101', 'course', 'test'
         utils.get_course_id = mock.Mock(return_value="mitX/101/test")
         link = utils.get_lms_link_for_about_page(location)
         self.assertEquals(link, "//localhost:8000/courses/mitX/101/test/about")
 
     def ls_link_test(self):
-        location = 'i4x','mitX','101','vertical', 'contacting_us'
+        location = 'i4x', 'mitX', '101', 'vertical', 'contacting_us'
         utils.get_course_id = mock.Mock(return_value="mitX/101/test")
         link = utils.get_lms_link_for_item(location, False)
         self.assertEquals(link, "//localhost:8000/courses/mitX/101/test/jump_to/i4x://mitX/101/vertical/contacting_us")
diff --git a/cms/djangoapps/contentstore/tests/tests.py b/cms/djangoapps/contentstore/tests/tests.py
index 085ecebff1..d2f18f2e49 100644
--- a/cms/djangoapps/contentstore/tests/tests.py
+++ b/cms/djangoapps/contentstore/tests/tests.py
@@ -1,48 +1,34 @@
 import json
 import shutil
-from django.test import TestCase
 from django.test.client import Client
-from override_settings import override_settings
 from django.conf import settings
 from django.core.urlresolvers import reverse
 from path import path
 from tempfile import mkdtemp
 import json
 from fs.osfs import OSFS
-
-
-from student.models import Registration
-from django.contrib.auth.models import User
-import xmodule.modulestore.django
-from xmodule.modulestore.xml_importer import import_from_xml
 import copy
-from factories import *
 
+from cms.djangoapps.contentstore.utils import get_modulestore
+
+from xmodule.modulestore import Location
 from xmodule.modulestore.store_utilities import clone_course
 from xmodule.modulestore.store_utilities import delete_course
-from xmodule.modulestore.django import modulestore
+from xmodule.modulestore.django import modulestore, _MODULESTORES
 from xmodule.contentstore.django import contentstore
-from xmodule.course_module import CourseDescriptor
+from xmodule.templates import update_templates
 from xmodule.modulestore.xml_exporter import export_to_xml
-from cms.djangoapps.contentstore.utils import get_modulestore
+from xmodule.modulestore.xml_importer import import_from_xml
+
 from xmodule.capa_module import CapaDescriptor
+from xmodule.course_module import CourseDescriptor
+from xmodule.seq_module import SequenceDescriptor
 
-def parse_json(response):
-    """Parse response, which is assumed to be json"""
-    return json.loads(response.content)
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
+from utils import ModuleStoreTestCase, parse_json, user, registration
 
 
-def user(email):
-    """look up a user by email"""
-    return User.objects.get(email=email)
-
-
-def registration(email):
-    """look up registration object by email"""
-    return Registration.objects.get(user__email=email)
-
-
-class ContentStoreTestCase(TestCase):
+class ContentStoreTestCase(ModuleStoreTestCase):
     def _login(self, email, pw):
         """Login.  View should always return 200.  The success/fail is in the
         returned json"""
@@ -187,356 +173,3 @@ class AuthTestCase(ContentStoreTestCase):
         self.assertEqual(resp.status_code, 302)
 
         # Logged in should work.
-
-TEST_DATA_MODULESTORE = copy.deepcopy(settings.MODULESTORE)
-TEST_DATA_MODULESTORE['default']['OPTIONS']['fs_root'] = path('common/test/data')
-TEST_DATA_MODULESTORE['direct']['OPTIONS']['fs_root'] = path('common/test/data')
-
-@override_settings(MODULESTORE=TEST_DATA_MODULESTORE)
-class ContentStoreTest(TestCase):
-
-    def setUp(self):
-        uname = 'testuser'
-        email = 'test+courses@edx.org'
-        password = 'foo'
-
-        # Create the use so we can log them in.
-        self.user = User.objects.create_user(uname, email, password)
-
-        # Note that we do not actually need to do anything
-        # for registration if we directly mark them active.
-        self.user.is_active = True
-        # Staff has access to view all courses
-        self.user.is_staff = True
-        self.user.save()
-
-        # Flush and initialize the module store
-        # It needs the templates because it creates new records
-        # by cloning from the template.
-        # Note that if your test module gets in some weird state
-        # (though it shouldn't), do this manually
-        # from the bash shell to drop it:
-        # $ mongo test_xmodule --eval "db.dropDatabase()"
-        xmodule.modulestore.django._MODULESTORES = {}
-        xmodule.modulestore.django.modulestore().collection.drop()
-        xmodule.templates.update_templates()
-
-        self.client = Client()
-        self.client.login(username=uname, password=password)
-
-        self.course_data = {
-            'template': 'i4x://edx/templates/course/Empty',
-            'org': 'MITx',
-            'number': '999',
-            'display_name': 'Robot Super Course',
-            }
-
-    def tearDown(self):
-        # Make sure you flush out the test modulestore after the end
-        # of the last test because otherwise on the next run
-        # cms/djangoapps/contentstore/__init__.py
-        # update_templates() will try to update the templates
-        # via upsert and it sometimes seems to be messing things up.
-        xmodule.modulestore.django._MODULESTORES = {}
-        xmodule.modulestore.django.modulestore().collection.drop()
-
-    def test_create_course(self):
-        """Test new course creation - happy path"""
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        self.assertEqual(resp.status_code, 200)
-        data = parse_json(resp)
-        self.assertEqual(data['id'], 'i4x://MITx/999/course/Robot_Super_Course')
-
-    def test_create_course_duplicate_course(self):
-        """Test new course creation - error path"""
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        data = parse_json(resp)
-        self.assertEqual(resp.status_code, 200)
-        self.assertEqual(data['ErrMsg'], 'There is already a course defined with this name.')
-
-    def test_create_course_duplicate_number(self):
-        """Test new course creation - error path"""
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        self.course_data['display_name'] = 'Robot Super Course Two'
-
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        data = parse_json(resp)
-
-        self.assertEqual(resp.status_code, 200)
-        self.assertEqual(data['ErrMsg'], 
-            'There is already a course defined with the same organization and course number.')
-
-    def test_create_course_with_bad_organization(self):
-        """Test new course creation - error path for bad organization name"""
-        self.course_data['org'] = 'University of California, Berkeley'
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        data = parse_json(resp)
-
-        self.assertEqual(resp.status_code, 200)
-        self.assertEqual(data['ErrMsg'],
-            "Unable to create course 'Robot Super Course'.\n\nInvalid characters in 'University of California, Berkeley'.")
-
-    def test_course_index_view_with_no_courses(self):
-        """Test viewing the index page with no courses"""
-        # Create a course so there is something to view
-        resp = self.client.get(reverse('index'))
-        self.assertContains(resp, 
-            '<h1>My Courses</h1>',
-            status_code=200,
-            html=True)
-
-    def test_course_factory(self):
-        course = CourseFactory.create()
-        self.assertIsInstance(course, xmodule.course_module.CourseDescriptor)
-
-    def test_item_factory(self):
-        course = CourseFactory.create()
-        item = ItemFactory.create(parent_location=course.location)
-        self.assertIsInstance(item, xmodule.seq_module.SequenceDescriptor)
-
-    def test_course_index_view_with_course(self):
-        """Test viewing the index page with an existing course"""
-        CourseFactory.create(display_name='Robot Super Educational Course')
-        resp = self.client.get(reverse('index'))
-        self.assertContains(resp,
-            '<span class="class-name">Robot Super Educational Course</span>',
-            status_code=200,
-            html=True)
-
-    def test_course_overview_view_with_course(self):
-        """Test viewing the course overview page with an existing course"""
-        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
-
-        data = {
-                'org': 'MITx',
-                'course': '999',
-                'name': Location.clean('Robot Super Course'),
-                }
-
-        resp = self.client.get(reverse('course_index', kwargs=data))
-        self.assertContains(resp, 
-            '<a href="/MITx/999/course/Robot_Super_Course" class="class-name">Robot Super Course</a>',
-            status_code=200,
-            html=True)
-
-    def test_clone_item(self):
-        """Test cloning an item. E.g. creating a new section"""
-        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
-
-        section_data = {
-            'parent_location' : 'i4x://MITx/999/course/Robot_Super_Course',
-            'template' : 'i4x://edx/templates/chapter/Empty',
-            'display_name': 'Section One',
-            }
-
-        resp = self.client.post(reverse('clone_item'), section_data)
-
-        self.assertEqual(resp.status_code, 200)
-        data = parse_json(resp)
-        self.assertRegexpMatches(data['id'], 
-            '^i4x:\/\/MITx\/999\/chapter\/([0-9]|[a-f]){32}$')
-
-    def check_edit_unit(self, test_course_name):
-        import_from_xml(modulestore(), 'common/test/data/', [test_course_name])
-
-        for descriptor in modulestore().get_items(Location(None, None, 'vertical', None, None)):
-            print "Checking ", descriptor.location.url()
-            print descriptor.__class__, descriptor.location
-            resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
-            self.assertEqual(resp.status_code, 200)
-
-    def test_edit_unit_toy(self):
-        self.check_edit_unit('toy')
-
-    def test_edit_unit_full(self):
-        self.check_edit_unit('full')
-
-    def test_static_tab_reordering(self):
-        import_from_xml(modulestore(), 'common/test/data/', ['full'])
-        
-        ms = modulestore('direct')
-        course = ms.get_item(Location(['i4x','edX','full','course','6.002_Spring_2012', None]))
-
-        # reverse the ordering
-        reverse_tabs = []
-        for tab in course.tabs:
-            if tab['type'] == 'static_tab':
-                reverse_tabs.insert(0, 'i4x://edX/full/static_tab/{0}'.format(tab['url_slug']))
- 
-        resp = self.client.post(reverse('reorder_static_tabs'), json.dumps({'tabs':reverse_tabs}), "application/json")
-
-        course = ms.get_item(Location(['i4x','edX','full','course','6.002_Spring_2012', None]))
-        
-        # compare to make sure that the tabs information is in the expected order after the server call
-        course_tabs = []
-        for tab in course.tabs:
-            if tab['type'] == 'static_tab':
-                course_tabs.append('i4x://edX/full/static_tab/{0}'.format(tab['url_slug']))
-
-        self.assertEqual(reverse_tabs, course_tabs)
-
-
-
-
-    def test_about_overrides(self):
-        '''
-        This test case verifies that a course can use specialized override for about data, e.g. /about/Fall_2012/effort.html 
-        while there is a base definition in /about/effort.html
-        '''
-        import_from_xml(modulestore(), 'common/test/data/', ['full'])
-        ms = modulestore('direct')
-        effort = ms.get_item(Location(['i4x','edX','full','about','effort', None]))
-        self.assertEqual(effort.definition['data'],'6 hours')
-
-        # this one should be in a non-override folder
-        effort = ms.get_item(Location(['i4x','edX','full','about','end_date', None]))
-        self.assertEqual(effort.definition['data'],'TBD')
-
-    def test_remove_hide_progress_tab(self):
-        import_from_xml(modulestore(), 'common/test/data/', ['full'])
-
-        ms = modulestore('direct')
-        cs = contentstore()
-
-        source_location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
-        course = ms.get_item(source_location)
-        self.assertNotIn('hide_progress_tab', course.metadata)
-
-
-    def test_clone_course(self):
-        import_from_xml(modulestore(), 'common/test/data/', ['full'])
-
-        resp = self.client.post(reverse('create_new_course'), self.course_data)
-        self.assertEqual(resp.status_code, 200)
-        data = parse_json(resp)
-        self.assertEqual(data['id'], 'i4x://MITx/999/course/Robot_Super_Course')
-
-        ms = modulestore('direct')
-        cs = contentstore()
-
-        source_location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
-        dest_location = CourseDescriptor.id_to_location('MITx/999/Robot_Super_Course')
-
-        clone_course(ms, cs, source_location, dest_location)
-
-        # now loop through all the units in the course and verify that the clone can render them, which 
-        # means the objects are at least present
-        items = ms.get_items(Location(['i4x','edX', 'full', 'vertical', None]))
-        self.assertGreater(len(items), 0)
-        clone_items = ms.get_items(Location(['i4x', 'MITx','999','vertical', None]))
-        self.assertGreater(len(clone_items), 0)
-        for descriptor in items:
-            new_loc = descriptor.location._replace(org = 'MITx', course='999')
-            print "Checking {0} should now also be at {1}".format(descriptor.location.url(), new_loc.url())
-            resp = self.client.get(reverse('edit_unit', kwargs={'location': new_loc.url()}))
-            self.assertEqual(resp.status_code, 200)
-
-    def test_delete_course(self):
-        import_from_xml(modulestore(), 'common/test/data/', ['full'])
-
-        ms = modulestore('direct')
-        cs = contentstore()
-
-        location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
-
-        delete_course(ms, cs, location)
-
-        items = ms.get_items(Location(['i4x','edX', 'full', 'vertical', None]))
-        self.assertEqual(len(items), 0)
-
-    def verify_content_existence(self, modulestore, root_dir, location, dirname, category_name, filename_suffix=''):
-        fs = OSFS(root_dir / 'test_export')
-        self.assertTrue(fs.exists(dirname))
-
-        query_loc = Location('i4x', location.org, location.course, category_name, None)
-        items = modulestore.get_items(query_loc)
-
-        for item in items:
-            fs = OSFS(root_dir / ('test_export/' + dirname))
-            self.assertTrue(fs.exists(item.location.name + filename_suffix))
-
-    def test_export_course(self):
-        ms = modulestore('direct')
-        cs = contentstore() 
-
-        import_from_xml(ms, 'common/test/data/', ['full'])
-        location = CourseDescriptor.id_to_location('edX/full/6.002_Spring_2012')
-
-        root_dir = path(mkdtemp())
-
-        print 'Exporting to tempdir = {0}'.format(root_dir)
-
-        # export out to a tempdir
-        export_to_xml(ms, cs, location, root_dir, 'test_export')
-
-        # check for static tabs
-        self.verify_content_existence(ms, root_dir, location, 'tabs', 'static_tab', '.html')
-
-        # check for custom_tags
-        self.verify_content_existence(ms, root_dir, location, 'info', 'course_info', '.html')
-
-        # check for custom_tags
-        self.verify_content_existence(ms, root_dir, location, 'custom_tags', 'custom_tag_template')
-  
-
-        # remove old course
-        delete_course(ms, cs, location)
-
-        # reimport
-        import_from_xml(ms, root_dir, ['test_export'])
-
-        items = ms.get_items(Location(['i4x','edX', 'full', 'vertical', None]))
-        self.assertGreater(len(items), 0)
-        for descriptor in items:
-            print "Checking {0}....".format(descriptor.location.url())
-            resp = self.client.get(reverse('edit_unit', kwargs={'location': descriptor.location.url()}))
-            self.assertEqual(resp.status_code, 200)
-
-        shutil.rmtree(root_dir)        
-
-
-    def test_course_handouts_rewrites(self):
-        ms = modulestore('direct')
-        cs = contentstore() 
-
-        # import a test course
-        import_from_xml(ms, 'common/test/data/', ['full'])     
-
-        handout_location= Location(['i4x', 'edX', 'full', 'course_info', 'handouts'])
-
-        # get module info
-        resp = self.client.get(reverse('module_info', kwargs={'module_location': handout_location}))
-
-        # make sure we got a successful response
-        self.assertEqual(resp.status_code, 200)
-
-        # check that /static/ has been converted to the full path
-        # note, we know the link it should be because that's what in the 'full' course in the test data
-        self.assertContains(resp, '/c4x/edX/full/asset/handouts_schematic_tutorial.pdf') 
-
-    def test_missing_static_content(self):
-        resp = self.client.get("/c4x/asd/asd/asd/asd")
-        self.assertEqual(resp.status_code, 404)
-
-    def test_capa_module(self):
-        """Test that a problem treats markdown specially."""
-        CourseFactory.create(org='MITx', course='999', display_name='Robot Super Course')
-
-        problem_data = {
-            'parent_location' : 'i4x://MITx/999/course/Robot_Super_Course',
-            'template' : 'i4x://edx/templates/problem/Empty'
-            }
-
-        resp = self.client.post(reverse('clone_item'), problem_data)
-
-        self.assertEqual(resp.status_code, 200)
-        payload = parse_json(resp)
-        problem_loc = payload['id']
-        problem = get_modulestore(problem_loc).get_item(problem_loc)
-        # should be a CapaDescriptor
-        self.assertIsInstance(problem, CapaDescriptor, "New problem is not a CapaDescriptor")
-        context = problem.get_context()
-        self.assertIn('markdown', context, "markdown is missing from context")
-        self.assertIn('markdown', problem.metadata, "markdown is missing from metadata")
-        self.assertNotIn('markdown', problem.editable_metadata_fields, "Markdown slipped into the editable metadata fields")
\ No newline at end of file
diff --git a/cms/djangoapps/contentstore/tests/utils.py b/cms/djangoapps/contentstore/tests/utils.py
new file mode 100644
index 0000000000..be028b2836
--- /dev/null
+++ b/cms/djangoapps/contentstore/tests/utils.py
@@ -0,0 +1,66 @@
+import json
+import copy
+from time import time
+from django.test import TestCase
+from django.conf import settings
+
+from student.models import Registration
+from django.contrib.auth.models import User
+
+import xmodule.modulestore.django
+from xmodule.templates import update_templates
+
+
+class ModuleStoreTestCase(TestCase):
+    """ Subclass for any test case that uses the mongodb
+    module store. This populates a uniquely named modulestore
+    collection with templates before running the TestCase
+    and drops it they are finished. """
+
+    def _pre_setup(self):
+        super(ModuleStoreTestCase, self)._pre_setup()
+
+        # Use the current seconds since epoch to differentiate
+        # the mongo collections on jenkins.
+        sec_since_epoch = '%s' % int(time() * 100)
+        self.orig_MODULESTORE = copy.deepcopy(settings.MODULESTORE)
+        self.test_MODULESTORE = self.orig_MODULESTORE
+        self.test_MODULESTORE['default']['OPTIONS']['collection'] = 'modulestore_%s' % sec_since_epoch
+        self.test_MODULESTORE['direct']['OPTIONS']['collection'] = 'modulestore_%s' % sec_since_epoch
+        settings.MODULESTORE = self.test_MODULESTORE
+
+        # Flush and initialize the module store
+        # It needs the templates because it creates new records
+        # by cloning from the template.
+        # Note that if your test module gets in some weird state
+        # (though it shouldn't), do this manually
+        # from the bash shell to drop it:
+        # $ mongo test_xmodule --eval "db.dropDatabase()"
+        xmodule.modulestore.django._MODULESTORES = {}
+        update_templates()
+
+    def _post_teardown(self):
+        # Make sure you flush out the modulestore.
+        # Drop the collection at the end of the test,
+        # otherwise there will be lingering collections leftover
+        # from executing the tests.
+        xmodule.modulestore.django._MODULESTORES = {}
+        xmodule.modulestore.django.modulestore().collection.drop()
+        settings.MODULESTORE = self.orig_MODULESTORE
+
+        super(ModuleStoreTestCase, self)._post_teardown()
+
+
+def parse_json(response):
+    """Parse response, which is assumed to be json"""
+    return json.loads(response.content)
+
+
+def user(email):
+    """look up a user by email"""
+    return User.objects.get(email=email)
+
+
+def registration(email):
+    """look up registration object by email"""
+    return Registration.objects.get(user__email=email)
diff --git a/cms/djangoapps/contentstore/utils.py b/cms/djangoapps/contentstore/utils.py
index da2993e463..b14dd8b353 100644
--- a/cms/djangoapps/contentstore/utils.py
+++ b/cms/djangoapps/contentstore/utils.py
@@ -5,18 +5,20 @@ from xmodule.modulestore.exceptions import ItemNotFoundError
 
 DIRECT_ONLY_CATEGORIES = ['course', 'chapter', 'sequential', 'about', 'static_tab', 'course_info']
 
+
 def get_modulestore(location):
     """
     Returns the correct modulestore to use for modifying the specified location
     """
     if not isinstance(location, Location):
         location = Location(location)
-        
+
     if location.category in DIRECT_ONLY_CATEGORIES:
         return modulestore('direct')
     else:
         return modulestore()
 
+
 def get_course_location_for_item(location):
     '''
     cdodge: for a given Xmodule, return the course that it belongs to
@@ -46,6 +48,7 @@ def get_course_location_for_item(location):
 
     return location
 
+
 def get_course_for_item(location):
     '''
     cdodge: for a given Xmodule, return the course that it belongs to
@@ -85,6 +88,7 @@ def get_lms_link_for_item(location, preview=False):
 
     return lms_link
 
+
 def get_lms_link_for_about_page(location):
     """
     Returns the url to the course about page from the location tuple.
@@ -99,6 +103,7 @@ def get_lms_link_for_about_page(location):
 
     return lms_link
 
+
 def get_course_id(location):
     """
     Returns the course_id from a given the location tuple.
@@ -106,6 +111,7 @@ def get_course_id(location):
     # TODO: These will need to be changed to point to the particular instance of this problem in the particular course
     return modulestore().get_containing_courses(Location(location))[0].id
 
+
 class UnitState(object):
     draft = 'draft'
     private = 'private'
@@ -135,6 +141,7 @@ def compute_unit_state(unit):
 def get_date_display(date):
     return date.strftime("%d %B, %Y at %I:%M %p")
 
+
 def update_item(location, value):
     """
     If value is None, delete the db entry. Otherwise, update it using the correct modulestore.
@@ -142,4 +149,4 @@ def update_item(location, value):
     if value is None:
         get_modulestore(location).delete_item(location)
     else:
-        get_modulestore(location).update_item(location, value)
\ No newline at end of file
+        get_modulestore(location).update_item(location, value)
diff --git a/cms/djangoapps/contentstore/views.py b/cms/djangoapps/contentstore/views.py
index 577492753b..c1ba0f5f9a 100644
--- a/cms/djangoapps/contentstore/views.py
+++ b/cms/djangoapps/contentstore/views.py
@@ -81,6 +81,7 @@ def signup(request):
     csrf_token = csrf(request)['csrf_token']
     return render_to_response('signup.html', {'csrf': csrf_token})
 
+
 @ssl_login_shortcut
 @ensure_csrf_cookie
 def login_page(request):
@@ -94,7 +95,10 @@ def login_page(request):
     })
 
 def howitworks(request):
-    return render_to_response('howitworks.html', {})
+    if request.user.is_authenticated():
+        return index(request)
+    else: 
+        return render_to_response('howitworks.html', {})
 
 # ==== Views for any logged-in user ==================================
 
@@ -116,14 +120,15 @@ def index(request):
     courses = filter(course_filter, courses)
 
     return render_to_response('index.html', {
-        'new_course_template' : Location('i4x', 'edx', 'templates', 'course', 'Empty'),
+        'new_course_template': Location('i4x', 'edx', 'templates', 'course', 'Empty'),
         'courses': [(course.metadata.get('display_name'),
                     reverse('course_index', args=[
                         course.location.org,
                         course.location.course,
                         course.location.name]))
                     for course in courses],
-        'user': request.user
+        'user': request.user,
+        'disable_course_creation': settings.MITX_FEATURES.get('DISABLE_COURSE_CREATION', False) and not request.user.is_staff
     })
 
 
@@ -161,10 +166,10 @@ def course_index(request, org, course, name):
     if not has_access(request.user, location):
         raise PermissionDenied()
 
-    upload_asset_callback_url = reverse('upload_asset', kwargs = {
-            'org' : org,
-            'course' : course,
-            'coursename' : name
+    upload_asset_callback_url = reverse('upload_asset', kwargs={
+            'org': org,
+            'course': course,
+            'coursename': name
             })
 
     course = modulestore().get_item(location)
@@ -215,7 +220,7 @@ def edit_subsection(request, location):
 
     # remove all metadata from the generic dictionary that is presented in a more normalized UI
 
-    policy_metadata = dict((key,value) for key, value in item.metadata.iteritems()
+    policy_metadata = dict((key, value) for key, value in item.metadata.iteritems()
         if key not in ['display_name', 'start', 'due', 'format'] and key not in item.system_metadata_fields)
 
     can_view_live = False
@@ -235,9 +240,9 @@ def edit_subsection(request, location):
                                 'course_graders': json.dumps(CourseGradingModel.fetch(course.location).graders),
                                 'parent_location': course.location,
                                'parent_item': parent,
-                               'policy_metadata' : policy_metadata,
-                               'subsection_units' : subsection_units,
-                               'can_view_live' : can_view_live
+                               'policy_metadata': policy_metadata,
+                               'subsection_units': subsection_units,
+                               'can_view_live': can_view_live
                                })
 
 
@@ -296,7 +301,7 @@ def edit_unit(request, location):
     # so let's generate the link url here
 
     # need to figure out where this item is in the list of children as the preview will need this
-    index =1
+    index = 1
     for child in containing_subsection.get_children():
         if child.location == item.location:
             break
@@ -350,6 +355,7 @@ def preview_component(request, location):
         'editor': wrap_xmodule(component.get_html, component, 'xmodule_edit.html')(),
     })
 
+
 @expect_json
 @login_required
 @ensure_csrf_cookie
@@ -364,7 +370,7 @@ def assignment_type_update(request, org, course, category, name):
     if request.method == 'GET':
         return HttpResponse(json.dumps(CourseGradingModel.get_section_grader_type(location)),
                             mimetype="application/json")
-    elif request.method == 'POST': # post or put, doesn't matter.
+    elif request.method == 'POST':   # post or put, doesn't matter.
         return HttpResponse(json.dumps(CourseGradingModel.update_section_grader_type(location, request.POST)),
                             mimetype="application/json")
 
@@ -529,7 +535,7 @@ def load_preview_module(request, preview_id, descriptor, instance_state, shared_
     module.get_html = replace_static_urls(
         module.get_html,
         module.metadata.get('data_dir', module.location.course),
-        course_namespace = Location([module.location.tag, module.location.org, module.location.course, None, None])
+        course_namespace=Location([module.location.tag, module.location.org, module.location.course, None, None])
     )
     save_preview_state(request, preview_id, descriptor.location.url(),
         module.get_instance_state(), module.get_shared_state())
@@ -590,7 +596,7 @@ def delete_item(request):
     # semantics of delete_item whereby the store is draft aware. Right now calling
     # delete_item on a vertical tries to delete the draft version leaving the
     # requested delete to never occur
-    if item.location.revision is None and item.location.category=='vertical' and delete_all_versions:
+    if item.location.revision is None and item.location.category == 'vertical' and delete_all_versions:
         modulestore('direct').delete_item(item.location)
 
     return HttpResponse()
@@ -666,6 +672,7 @@ def create_draft(request):
 
     return HttpResponse()
 
+
 @login_required
 @expect_json
 def publish_draft(request):
@@ -695,6 +702,7 @@ def unpublish_unit(request):
 
     return HttpResponse()
 
+
 @login_required
 @expect_json
 def clone_item(request):
@@ -777,11 +785,11 @@ def upload_asset(request, org, course, coursename):
     # readback the saved content - we need the database timestamp
     readback = contentstore().find(content.location)
 
-    response_payload = {'displayname' : content.name,
-        'uploadDate' : get_date_display(readback.last_modified_at),
-        'url' : StaticContent.get_url_path_from_location(content.location),
-        'thumb_url' : StaticContent.get_url_path_from_location(thumbnail_location) if thumbnail_content is not None else None,
-        'msg' : 'Upload completed'
+    response_payload = {'displayname': content.name,
+        'uploadDate': get_date_display(readback.last_modified_at),
+        'url': StaticContent.get_url_path_from_location(content.location),
+        'thumb_url': StaticContent.get_url_path_from_location(thumbnail_location) if thumbnail_content is not None else None,
+        'msg': 'Upload completed'
         }
 
     response = HttpResponse(json.dumps(response_payload))
@@ -805,16 +813,16 @@ def manage_users(request, location):
         'active_tab': 'users',
         'context_course': course_module,
         'staff': get_users_in_course_group_by_role(location, STAFF_ROLE_NAME),
-        'add_user_postback_url' : reverse('add_user', args=[location]).rstrip('/'),
-        'remove_user_postback_url' : reverse('remove_user', args=[location]).rstrip('/'),
-        'allow_actions' : has_access(request.user, location, role=INSTRUCTOR_ROLE_NAME),
-        'request_user_id' : request.user.id
+        'add_user_postback_url': reverse('add_user', args=[location]).rstrip('/'),
+        'remove_user_postback_url': reverse('remove_user', args=[location]).rstrip('/'),
+        'allow_actions': has_access(request.user, location, role=INSTRUCTOR_ROLE_NAME),
+        'request_user_id': request.user.id
     })
 
 
 def create_json_response(errmsg = None):
     if errmsg is not None:
-        resp = HttpResponse(json.dumps({'Status': 'Failed', 'ErrMsg' : errmsg}))
+        resp = HttpResponse(json.dumps({'Status': 'Failed', 'ErrMsg': errmsg}))
     else:
         resp = HttpResponse(json.dumps({'Status': 'OK'}))
 
@@ -830,7 +838,7 @@ the specified course
 def add_user(request, location):
     email = request.POST["email"]
 
-    if email=='':
+    if email == '':
         return create_json_response('Please specify an email address.')
 
     # check that logged in user has admin permissions to this course
@@ -883,6 +891,7 @@ def remove_user(request, location):
 def landing(request, org, course, coursename):
     return render_to_response('temp-course-landing.html', {})
 
+
 @login_required
 @ensure_csrf_cookie
 def static_pages(request, org, course, coursename):
@@ -923,7 +932,7 @@ def reorder_static_tabs(request):
         return HttpResponseBadRequest()
 
     # load all reference tabs, return BadRequest if we can't find any of them
-    tab_items =[]
+    tab_items = []
     for tab in tabs:
         item = modulestore('direct').get_item(Location(tab))
         if item is None:
@@ -937,8 +946,8 @@ def reorder_static_tabs(request):
     for tab in course.tabs:
         if tab['type'] == 'static_tab':
             reordered_tabs.append({'type': 'static_tab',
-                'name' : tab_items[static_tab_idx].metadata.get('display_name'),
-                'url_slug' : tab_items[static_tab_idx].location.name})
+                'name': tab_items[static_tab_idx].metadata.get('display_name'),
+                'url_slug': tab_items[static_tab_idx].location.name})
             static_tab_idx += 1
         else:
             reordered_tabs.append(tab)
@@ -982,10 +991,11 @@ def edit_tabs(request, org, course, coursename):
 
     return render_to_response('edit-tabs.html', {
         'active_tab': 'pages',
-        'context_course':course_item,
+        'context_course': course_item,
         'components': components
         })
 
+
 def not_found(request):
     return render_to_response('error.html', {'error': '404'})
 
@@ -1016,11 +1026,12 @@ def course_info(request, org, course, name, provided_id=None):
     return render_to_response('course_info.html', {
         'active_tab': 'courseinfo-tab',
         'context_course': course_module,
-        'url_base' : "/" + org + "/" + course + "/",
-        'course_updates' : json.dumps(get_course_updates(location)),
+        'url_base': "/" + org + "/" + course + "/",
+        'course_updates': json.dumps(get_course_updates(location)),
         'handouts_location': Location(['i4x', org, course, 'course_info', 'handouts']).url()
     })
 
+
 @expect_json
 @login_required
 @ensure_csrf_cookie
@@ -1077,8 +1088,8 @@ def module_info(request, module_location):
     else:
         real_method = request.method
 
-    rewrite_static_links = request.GET.get('rewrite_url_links','True') in ['True', 'true']
-    logging.debug('rewrite_static_links = {0} {1}'.format(request.GET.get('rewrite_url_links','False'), rewrite_static_links))
+    rewrite_static_links = request.GET.get('rewrite_url_links', 'True') in ['True', 'true']
+    logging.debug('rewrite_static_links = {0} {1}'.format(request.GET.get('rewrite_url_links', 'False'), rewrite_static_links))
 
     # check that logged in user has permissions to this item
     if not has_access(request.user, location):
@@ -1091,6 +1102,7 @@ def module_info(request, module_location):
     else:
         return HttpResponseBadRequest()
 
+
 @login_required
 @ensure_csrf_cookie
 def get_course_settings(request, org, course, name):
@@ -1134,9 +1146,10 @@ def course_config_graders_page(request, org, course, name):
     return render_to_response('settings_graders.html', {
         'context_course': course_module,
         'course_location' : location,
-        'course_details' : json.dumps(course_details, cls=CourseSettingsEncoder)
+        'course_details': json.dumps(course_details, cls=CourseSettingsEncoder)
     })
 
+
 @expect_json
 @login_required
 @ensure_csrf_cookie
@@ -1162,12 +1175,13 @@ def course_settings_updates(request, org, course, name, section):
 
     if request.method == 'GET':
         # Cannot just do a get w/o knowing the course name :-(
-        return HttpResponse(json.dumps(manager.fetch(Location(['i4x', org, course, 'course',name])), cls=CourseSettingsEncoder),
+        return HttpResponse(json.dumps(manager.fetch(Location(['i4x', org, course, 'course', name])), cls=CourseSettingsEncoder),
                             mimetype="application/json")
-    elif request.method == 'POST': # post or put, doesn't matter.
+    elif request.method == 'POST':   # post or put, doesn't matter.
         return HttpResponse(json.dumps(manager.update_from_json(request.POST), cls=CourseSettingsEncoder),
                             mimetype="application/json")
 
+
 @expect_json
 @login_required
 @ensure_csrf_cookie
@@ -1192,14 +1206,14 @@ def course_grader_updates(request, org, course, name, grader_index=None):
 
     if real_method == 'GET':
         # Cannot just do a get w/o knowing the course name :-(
-        return HttpResponse(json.dumps(CourseGradingModel.fetch_grader(Location(['i4x', org, course, 'course',name]), grader_index)),
+        return HttpResponse(json.dumps(CourseGradingModel.fetch_grader(Location(['i4x', org, course, 'course', name]), grader_index)),
                             mimetype="application/json")
     elif real_method == "DELETE":
         # ??? Shoudl this return anything? Perhaps success fail?
-        CourseGradingModel.delete_grader(Location(['i4x', org, course, 'course',name]), grader_index)
+        CourseGradingModel.delete_grader(Location(['i4x', org, course, 'course', name]), grader_index)
         return HttpResponse()
-    elif request.method == 'POST': # post or put, doesn't matter.
-        return HttpResponse(json.dumps(CourseGradingModel.update_grader_from_json(Location(['i4x', org, course, 'course',name]), request.POST)),
+    elif request.method == 'POST':   # post or put, doesn't matter.
+        return HttpResponse(json.dumps(CourseGradingModel.update_grader_from_json(Location(['i4x', org, course, 'course', name]), request.POST)),
                             mimetype="application/json")
 
 
@@ -1218,10 +1232,10 @@ def asset_index(request, org, course, name):
         raise PermissionDenied()
 
 
-    upload_asset_callback_url = reverse('upload_asset', kwargs = {
-            'org' : org,
-            'course' : course,
-            'coursename' : name
+    upload_asset_callback_url = reverse('upload_asset', kwargs={
+            'org': org,
+            'course': course,
+            'coursename': name
             })
 
     course_module = modulestore().get_item(location)
@@ -1262,9 +1276,19 @@ def asset_index(request, org, course, name):
 def edge(request):
     return render_to_response('university_profiles/edge.html', {})
 
+
 @login_required
 @expect_json
 def create_new_course(request):
+
+    if settings.MITX_FEATURES.get('DISABLE_COURSE_CREATION', False) and not request.user.is_staff:
+        raise PermissionDenied()
+
+    # This logic is repeated in xmodule/modulestore/tests/factories.py
+    # so if you change anything here, you need to also change it there.
+    # TODO: write a test that creates two courses, one with the factory and
+    # the other with this method, then compare them to make sure they are
+    # equivalent.
     template = Location(request.POST['template'])
     org = request.POST.get('org')
     number = request.POST.get('number')
@@ -1308,20 +1332,25 @@ def create_new_course(request):
 
     return HttpResponse(json.dumps({'id': new_course.location.url()}))
 
+
 def initialize_course_tabs(course):
     # set up the default tabs
     # I've added this because when we add static tabs, the LMS either expects a None for the tabs list or
     # at least a list populated with the minimal times
     # @TODO: I don't like the fact that the presentation tier is away of these data related constraints, let's find a better
     # place for this. Also rather than using a simple list of dictionaries a nice class model would be helpful here
+
+    # This logic is repeated in xmodule/modulestore/tests/factories.py
+    # so if you change anything here, you need to also change it there.
     course.tabs = [{"type": "courseware"},
-        {"type": "course_info", "name": "Course Info"},
+        {"type": "course_info", "name": "Course Info"}, 
         {"type": "discussion", "name": "Discussion"},
         {"type": "wiki", "name": "Wiki"},
         {"type": "progress", "name": "Progress"}]
 
     modulestore('direct').update_metadata(course.location.url(), course.own_metadata)
 
+
 @ensure_csrf_cookie
 @login_required
 def import_course(request, org, course, name):
@@ -1360,7 +1389,7 @@ def import_course(request, org, course, name):
 
         # find the 'course.xml' file
 
-        for r,d,f in os.walk(course_dir):
+        for r, d, f in os.walk(course_dir):
             for files in f:
                 if files == 'course.xml':
                     break
@@ -1374,10 +1403,10 @@ def import_course(request, org, course, name):
 
         if r != course_dir:
             for fname in os.listdir(r):
-                shutil.move(r/fname, course_dir)
+                shutil.move(r / fname, course_dir)
 
         module_store, course_items = import_from_xml(modulestore('direct'), settings.GITHUB_REPO_ROOT,
-            [course_subdir], load_error_modules=False, static_content_store=contentstore(), target_location_namespace = Location(location))
+            [course_subdir], load_error_modules=False, static_content_store=contentstore(), target_location_namespace=Location(location))
 
         # we can blow this away when we're done importing.
         shutil.rmtree(course_dir)
@@ -1393,12 +1422,13 @@ def import_course(request, org, course, name):
         return render_to_response('import.html', {
             'context_course': course_module,
             'active_tab': 'import',
-            'successful_import_redirect_url' : reverse('course_index', args=[
+            'successful_import_redirect_url': reverse('course_index', args=[
                         course_module.location.org,
                         course_module.location.course,
                         course_module.location.name])
         })
 
+
 @ensure_csrf_cookie
 @login_required
 def generate_export_course(request, org, course, name):
@@ -1408,7 +1438,7 @@ def generate_export_course(request, org, course, name):
         raise PermissionDenied()
 
     loc = Location(location)
-    export_file = NamedTemporaryFile(prefix=name+'.', suffix=".tar.gz")
+    export_file = NamedTemporaryFile(prefix=name + '.', suffix=".tar.gz")
 
     root_dir = path(mkdtemp())
 
@@ -1421,11 +1451,11 @@ def generate_export_course(request, org, course, name):
 
     logging.debug('tar file being generated at {0}'.format(export_file.name))
     tf = tarfile.open(name=export_file.name, mode='w:gz')
-    tf.add(root_dir/name, arcname=name)
+    tf.add(root_dir / name, arcname=name)
     tf.close()
 
     # remove temp dir
-    shutil.rmtree(root_dir/name)
+    shutil.rmtree(root_dir / name)
 
     wrapper = FileWrapper(export_file)
     response = HttpResponse(wrapper, content_type='application/x-tgz')
@@ -1447,9 +1477,10 @@ def export_course(request, org, course, name):
     return render_to_response('export.html', {
         'context_course': course_module,
         'active_tab': 'export',
-        'successful_import_redirect_url' : ''
+        'successful_import_redirect_url': ''
     })
 
+
 def event(request):
     '''
     A noop to swallow the analytics call so that cms methods don't spook and poor developers looking at
diff --git a/cms/djangoapps/models/settings/course_details.py b/cms/djangoapps/models/settings/course_details.py
index d01e784d74..b27f4e3804 100644
--- a/cms/djangoapps/models/settings/course_details.py
+++ b/cms/djangoapps/models/settings/course_details.py
@@ -31,16 +31,16 @@ class CourseDetails(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-            
+
         course = cls(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
-            
+
         course.start_date = descriptor.start
         course.end_date = descriptor.end
         course.enrollment_start = descriptor.enrollment_start
         course.enrollment_end = descriptor.enrollment_end
-        
+
         temploc = course_location._replace(category='about', name='syllabus')
         try:
             course.syllabus = get_modulestore(temploc).get_item(temploc).definition['data']
@@ -52,32 +52,32 @@ class CourseDetails(object):
             course.overview = get_modulestore(temploc).get_item(temploc).definition['data']
         except ItemNotFoundError:
             pass
-        
+
         temploc = temploc._replace(name='effort')
         try:
             course.effort = get_modulestore(temploc).get_item(temploc).definition['data']
         except ItemNotFoundError:
             pass
-        
+
         temploc = temploc._replace(name='video')
         try:
             raw_video = get_modulestore(temploc).get_item(temploc).definition['data']
-            course.intro_video = CourseDetails.parse_video_tag(raw_video) 
+            course.intro_video = CourseDetails.parse_video_tag(raw_video)
         except ItemNotFoundError:
             pass
-        
+
         return course
-        
+
     @classmethod
     def update_from_json(cls, jsondict):
         """
         Decode the json into CourseDetails and save any changed attrs to the db
         """
-        ## TODO make it an error for this to be undefined & for it to not be retrievable from modulestore        
+        ## TODO make it an error for this to be undefined & for it to not be retrievable from modulestore
         course_location = jsondict['course_location']
         ## Will probably want to cache the inflight courses because every blur generates an update
         descriptor = get_modulestore(course_location).get_item(course_location)
-        
+
         dirty = False
 
         if 'start_date' in jsondict:
@@ -87,7 +87,7 @@ class CourseDetails(object):
         if converted != descriptor.start:
             dirty = True
             descriptor.start = converted
-            
+
         if 'end_date' in jsondict:
             converted = jsdate_to_time(jsondict['end_date'])
         else:
@@ -96,7 +96,7 @@ class CourseDetails(object):
         if converted != descriptor.end:
             dirty = True
             descriptor.end = converted
-            
+
         if 'enrollment_start' in jsondict:
             converted = jsdate_to_time(jsondict['enrollment_start'])
         else:
@@ -105,7 +105,7 @@ class CourseDetails(object):
         if converted != descriptor.enrollment_start:
             dirty = True
             descriptor.enrollment_start = converted
-            
+
         if 'enrollment_end' in jsondict:
             converted = jsdate_to_time(jsondict['enrollment_end'])
         else:
@@ -114,10 +114,10 @@ class CourseDetails(object):
         if converted != descriptor.enrollment_end:
             dirty = True
             descriptor.enrollment_end = converted
-            
+
         if dirty:
             get_modulestore(course_location).update_metadata(course_location, descriptor.metadata)
-            
+
         # NOTE: below auto writes to the db w/o verifying that any of the fields actually changed
         # to make faster, could compare against db or could have client send over a list of which fields changed.
         temploc = Location(course_location)._replace(category='about', name='syllabus')
@@ -125,19 +125,19 @@ class CourseDetails(object):
 
         temploc = temploc._replace(name='overview')
         update_item(temploc, jsondict['overview'])
-        
+
         temploc = temploc._replace(name='effort')
         update_item(temploc, jsondict['effort'])
-        
+
         temploc = temploc._replace(name='video')
         recomposed_video_tag = CourseDetails.recompose_video_tag(jsondict['intro_video'])
         update_item(temploc, recomposed_video_tag)
-        
-                    
+
+
         # Could just generate and return a course obj w/o doing any db reads, but I put the reads in as a means to confirm
         # it persisted correctly
         return CourseDetails.fetch(course_location)
-    
+
     @staticmethod
     def parse_video_tag(raw_video):
         """
@@ -147,17 +147,17 @@ class CourseDetails(object):
         """
         if not raw_video:
             return None
-         
+
         keystring_matcher = re.search('(?<=embed/)[a-zA-Z0-9_-]+', raw_video)
         if keystring_matcher is None:
             keystring_matcher = re.search('<?=\d+:[a-zA-Z0-9_-]+', raw_video)
-        
+
         if keystring_matcher:
             return keystring_matcher.group(0)
         else:
             logging.warn("ignoring the content because it doesn't not conform to expected pattern: " + raw_video)
             return None
-    
+
     @staticmethod
     def recompose_video_tag(video_key):
         # TODO should this use a mako template? Of course, my hope is that this is a short-term workaround for the db not storing
@@ -168,7 +168,7 @@ class CourseDetails(object):
                 video_key + '?autoplay=1&rel=0" frameborder="0" allowfullscreen=""></iframe>'
         return result
 
-    
+
 
 # TODO move to a more general util? Is there a better way to do the isinstance model check?
 class CourseSettingsEncoder(json.JSONEncoder):
diff --git a/cms/djangoapps/models/settings/course_grading.py b/cms/djangoapps/models/settings/course_grading.py
index 9cfa18c8c9..f4c6fd3d7c 100644
--- a/cms/djangoapps/models/settings/course_grading.py
+++ b/cms/djangoapps/models/settings/course_grading.py
@@ -6,55 +6,55 @@ from util import converters
 
 class CourseGradingModel(object):
     """
-    Basically a DAO and Model combo for CRUD operations pertaining to grading policy. 
+    Basically a DAO and Model combo for CRUD operations pertaining to grading policy.
     """
     def __init__(self, course_descriptor):
         self.course_location = course_descriptor.location
-        self.graders = [CourseGradingModel.jsonize_grader(i, grader) for i, grader in enumerate(course_descriptor.raw_grader)] # weights transformed to ints [0..100]
+        self.graders = [CourseGradingModel.jsonize_grader(i, grader) for i, grader in enumerate(course_descriptor.raw_grader)]   # weights transformed to ints [0..100]
         self.grade_cutoffs = course_descriptor.grade_cutoffs
         self.grace_period = CourseGradingModel.convert_set_grace_period(course_descriptor)
-        
-    @classmethod    
+
+    @classmethod
     def fetch(cls, course_location):
         """
         Fetch the course details for the given course from persistence and return a CourseDetails model.
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
 
         model = cls(descriptor)
         return model
-    
+
     @staticmethod
     def fetch_grader(course_location, index):
         """
-        Fetch the course's nth grader  
+        Fetch the course's nth grader
         Returns an empty dict if there's no such grader.
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         # # ??? it would be good if these had the course_location in them so that they stand alone sufficiently
         # # but that would require not using CourseDescriptor's field directly. Opinions?
 
-        index = int(index)        
-        if len(descriptor.raw_grader) > index: 
+        index = int(index)
+        if len(descriptor.raw_grader) > index:
             return CourseGradingModel.jsonize_grader(index, descriptor.raw_grader[index])
-            
+
         # return empty model
         else:
             return {
-                    "id" : index,
-                    "type" : "",
-                    "min_count" : 0,
-                    "drop_count" : 0,
-                    "short_label" : None,
-                    "weight" : 0
+                    "id": index,
+                    "type": "",
+                    "min_count": 0,
+                    "drop_count": 0,
+                    "short_label": None,
+                    "weight": 0
                 }
-    
+
     @staticmethod
     def fetch_cutoffs(course_location):
         """
@@ -62,7 +62,7 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         return descriptor.grade_cutoffs
 
@@ -73,10 +73,10 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
-        return {'grace_period' : CourseGradingModel.convert_set_grace_period(descriptor) }
-        
+        return {'grace_period': CourseGradingModel.convert_set_grace_period(descriptor)}
+
     @staticmethod
     def update_from_json(jsondict):
         """
@@ -85,32 +85,32 @@ class CourseGradingModel(object):
         """
         course_location = jsondict['course_location']
         descriptor = get_modulestore(course_location).get_item(course_location)
-        
+
         graders_parsed = [CourseGradingModel.parse_grader(jsonele) for jsonele in jsondict['graders']]
-        
+
         descriptor.raw_grader = graders_parsed
         descriptor.grade_cutoffs = jsondict['grade_cutoffs']
-        
+
         get_modulestore(course_location).update_item(course_location, descriptor.definition['data'])
         CourseGradingModel.update_grace_period_from_json(course_location, jsondict['grace_period'])
-        
+
         return CourseGradingModel.fetch(course_location)
-          
-        
+
+
     @staticmethod
     def update_grader_from_json(course_location, grader):
         """
-        Create or update the grader of the given type (string key) for the given course. Returns the modified 
+        Create or update the grader of the given type (string key) for the given course. Returns the modified
         grader which is a full model on the client but not on the server (just a dict)
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         # # ??? it would be good if these had the course_location in them so that they stand alone sufficiently
         # # but that would require not using CourseDescriptor's field directly. Opinions?
 
-        # parse removes the id; so, grab it before parse        
+        # parse removes the id; so, grab it before parse
         index = int(grader.get('id', len(descriptor.raw_grader)))
         grader = CourseGradingModel.parse_grader(grader)
 
@@ -118,11 +118,11 @@ class CourseGradingModel(object):
             descriptor.raw_grader[index] = grader
         else:
             descriptor.raw_grader.append(grader)
-            
+
         get_modulestore(course_location).update_item(course_location, descriptor.definition['data'])
-        
+
         return CourseGradingModel.jsonize_grader(index, descriptor.raw_grader[index])
-        
+
     @staticmethod
     def update_cutoffs_from_json(course_location, cutoffs):
         """
@@ -131,18 +131,18 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         descriptor.grade_cutoffs = cutoffs
         get_modulestore(course_location).update_item(course_location, descriptor.definition['data'])
-        
+
         return cutoffs
-        
-        
+
+
     @staticmethod
     def update_grace_period_from_json(course_location, graceperiodjson):
         """
-        Update the course's default grace period. Incoming dict is {hours: h, minutes: m} possibly as a 
+        Update the course's default grace period. Incoming dict is {hours: h, minutes: m} possibly as a
         grace_period entry in an enclosing dict. It is also safe to call this method with a value of
         None for graceperiodjson.
         """
@@ -160,7 +160,7 @@ class CourseGradingModel(object):
             descriptor = get_modulestore(course_location).get_item(course_location)
             descriptor.metadata['graceperiod'] = grace_rep
             get_modulestore(course_location).update_metadata(course_location, descriptor.metadata)
-        
+
     @staticmethod
     def delete_grader(course_location, index):
         """
@@ -168,16 +168,16 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
-        index = int(index)        
+        index = int(index)
         if index < len(descriptor.raw_grader):
             del descriptor.raw_grader[index]
             # force propagation to definition
             descriptor.raw_grader = descriptor.raw_grader
             get_modulestore(course_location).update_item(course_location, descriptor.definition['data'])
-        
-    # NOTE cannot delete cutoffs. May be useful to reset 
+
+    # NOTE cannot delete cutoffs. May be useful to reset
     @staticmethod
     def delete_cutoffs(course_location, cutoffs):
         """
@@ -185,13 +185,13 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-        
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         descriptor.grade_cutoffs = descriptor.defaut_grading_policy['GRADE_CUTOFFS']
         get_modulestore(course_location).update_item(course_location, descriptor.definition['data'])
-        
+
         return descriptor.grade_cutoffs
-        
+
     @staticmethod
     def delete_grace_period(course_location):
         """
@@ -199,28 +199,28 @@ class CourseGradingModel(object):
         """
         if not isinstance(course_location, Location):
             course_location = Location(course_location)
-            
+
         descriptor = get_modulestore(course_location).get_item(course_location)
         if 'graceperiod' in descriptor.metadata: del descriptor.metadata['graceperiod']   
         get_modulestore(course_location).update_metadata(course_location, descriptor.metadata)
-        
+
     @staticmethod
     def get_section_grader_type(location):
         if not isinstance(location, Location):
             location = Location(location)
-            
+
         descriptor = get_modulestore(location).get_item(location)
         return {
-                "graderType" : descriptor.metadata.get('format', u"Not Graded"),
-                "location" : location,
-                "id" : 99   # just an arbitrary value to 
+                "graderType": descriptor.metadata.get('format', u"Not Graded"),
+                "location": location,
+                "id": 99   # just an arbitrary value to
                 }
-        
+
     @staticmethod
     def update_section_grader_type(location, jsondict):
         if not isinstance(location, Location):
             location = Location(location)
-          
+
         descriptor = get_modulestore(location).get_item(location)
         if 'graderType' in jsondict and jsondict['graderType'] != u"Not Graded":
             descriptor.metadata['format'] = jsondict.get('graderType')
@@ -228,10 +228,10 @@ class CourseGradingModel(object):
         else:
             if 'format' in descriptor.metadata: del descriptor.metadata['format'] 
             if 'graded' in descriptor.metadata: del descriptor.metadata['graded'] 
-            
-        get_modulestore(location).update_metadata(location, descriptor.metadata)  
-        
-        
+
+        get_modulestore(location).update_metadata(location, descriptor.metadata)
+
+
     @staticmethod
     def convert_set_grace_period(descriptor):
         # 5 hours 59 minutes 59 seconds => converted to iso format
@@ -245,13 +245,13 @@ class CourseGradingModel(object):
     def parse_grader(json_grader):
         # manual to clear out kruft
         result = {
-                    "type" : json_grader["type"],
-                    "min_count" : int(json_grader.get('min_count', 0)),
-                    "drop_count" : int(json_grader.get('drop_count', 0)),
-                    "short_label" : json_grader.get('short_label', None),
-                    "weight" : float(json_grader.get('weight', 0)) / 100.0
+                    "type": json_grader["type"],
+                    "min_count": int(json_grader.get('min_count', 0)),
+                    "drop_count": int(json_grader.get('drop_count', 0)),
+                    "short_label": json_grader.get('short_label', None),
+                    "weight": float(json_grader.get('weight', 0)) / 100.0
                 }
-            
+
         return result
 
     @staticmethod
@@ -260,6 +260,6 @@ class CourseGradingModel(object):
         if grader['weight']:
             grader['weight'] *= 100
         if not 'short_label' in grader:
-            grader['short_label'] = ""  
-              
+            grader['short_label'] = ""
+
         return grader
diff --git a/cms/envs/acceptance.py b/cms/envs/acceptance.py
index 5bc9b53fc4..26a8adc92c 100644
--- a/cms/envs/acceptance.py
+++ b/cms/envs/acceptance.py
@@ -1,5 +1,5 @@
 """
-This config file extends the test environment configuration 
+This config file extends the test environment configuration
 so that we can run the lettuce acceptance tests.
 """
 from .test import *
@@ -21,14 +21,14 @@ DATA_DIR = COURSES_ROOT
 #     }
 # }
 
-# Set this up so that rake lms[acceptance] and running the 
+# Set this up so that rake lms[acceptance] and running the
 # harvest command both use the same (test) database
 # which they can flush without messing up your dev db
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': ENV_ROOT / "db" / "test_mitx.db",
-        'TEST_NAME': ENV_ROOT / "db" / "test_mitx.db",     
+        'TEST_NAME': ENV_ROOT / "db" / "test_mitx.db",
     }
 }
 
diff --git a/cms/envs/common.py b/cms/envs/common.py
index 3ea532d70d..30aac6ea01 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -33,8 +33,8 @@ MITX_FEATURES = {
     'USE_DJANGO_PIPELINE': True,
     'GITHUB_PUSH': False,
     'ENABLE_DISCUSSION_SERVICE': False,
-    'AUTH_USE_MIT_CERTIFICATES' : False,
-    'STUB_VIDEO_FOR_TESTING': False, # do not display video when running automated acceptance tests
+    'AUTH_USE_MIT_CERTIFICATES': False,
+    'STUB_VIDEO_FOR_TESTING': False,   # do not display video when running automated acceptance tests
 }
 ENABLE_JASMINE = False
 
@@ -165,13 +165,6 @@ STATICFILES_DIRS = [
 # This is how you would use the textbook images locally
 #    ("book", ENV_ROOT / "book_images")
 ]
-if os.path.isdir(GITHUB_REPO_ROOT):
-    STATICFILES_DIRS += [
-        # TODO (cpennington): When courses aren't loaded from github, remove this
-        (course_dir, GITHUB_REPO_ROOT / course_dir)
-        for course_dir in os.listdir(GITHUB_REPO_ROOT)
-        if os.path.isdir(GITHUB_REPO_ROOT / course_dir)
-    ]
 
 # Locale/Internationalization
 TIME_ZONE = 'America/New_York'  # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
@@ -229,7 +222,7 @@ PIPELINE_JS = {
         'source_filenames': sorted(
             rooted_glob(COMMON_ROOT / 'static/', 'coffee/src/**/*.coffee') +
             rooted_glob(PROJECT_ROOT / 'static/', 'coffee/src/**/*.coffee')
-        ) + [ 'js/hesitate.js', 'js/base.js'],
+        ) + ['js/hesitate.js', 'js/base.js'],
         'output_filename': 'js/cms-application.js',
     },
     'module-js': {
diff --git a/cms/envs/dev.py b/cms/envs/dev.py
index e29ee62e20..3dee93a398 100644
--- a/cms/envs/dev.py
+++ b/cms/envs/dev.py
@@ -12,7 +12,7 @@ TEMPLATE_DEBUG = DEBUG
 LOGGING = get_logger_config(ENV_ROOT / "log",
                             logging_env="dev",
                             tracking_filename="tracking.log",
-                            dev_env = True,
+                            dev_env=True,
                             debug=True)
 
 modulestore_options = {
@@ -41,7 +41,7 @@ CONTENTSTORE = {
     'ENGINE': 'xmodule.contentstore.mongo.MongoContentStore',
     'OPTIONS': {
         'host': 'localhost',
-        'db' : 'xcontent',
+        'db': 'xcontent',
     }
 }
 
diff --git a/cms/envs/dev_ike.py b/cms/envs/dev_ike.py
index 5fb120854b..1ebf219d44 100644
--- a/cms/envs/dev_ike.py
+++ b/cms/envs/dev_ike.py
@@ -9,8 +9,6 @@ import socket
 
 MITX_FEATURES['AUTH_USE_MIT_CERTIFICATES'] = True
 
-MITX_FEATURES['USE_DJANGO_PIPELINE']=False      # don't recompile scss
-
-SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')	# django 1.4 for nginx ssl proxy
-
+MITX_FEATURES['USE_DJANGO_PIPELINE'] = False      # don't recompile scss
 
+SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')  	# django 1.4 for nginx ssl proxy
diff --git a/cms/envs/test.py b/cms/envs/test.py
index d9a2597cbb..7f39e6818b 100644
--- a/cms/envs/test.py
+++ b/cms/envs/test.py
@@ -11,7 +11,6 @@ from .common import *
 import os
 from path import path
 
-
 # Nose Test Runner
 INSTALLED_APPS += ('django_nose',)
 NOSE_ARGS = ['--with-xunit']
@@ -20,7 +19,7 @@ TEST_RUNNER = 'django_nose.NoseTestSuiteRunner'
 TEST_ROOT = path('test_root')
 
 # Makes the tests run much faster...
-SOUTH_TESTS_MIGRATE = False # To disable migrations and use syncdb instead
+SOUTH_TESTS_MIGRATE = False   # To disable migrations and use syncdb instead
 
 # Want static files in the same dir for running on jenkins.
 STATIC_ROOT = TEST_ROOT / "staticfiles"
@@ -63,7 +62,7 @@ CONTENTSTORE = {
     'ENGINE': 'xmodule.contentstore.mongo.MongoContentStore',
     'OPTIONS': {
         'host': 'localhost',
-        'db' : 'xcontent',
+        'db': 'xcontent',
     }
 }
 
@@ -72,23 +71,12 @@ DATABASES = {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': ENV_ROOT / "db" / "cms.db",
     },
-
-    # The following are for testing purposes...
-    'edX/toy/2012_Fall': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': ENV_ROOT / "db" / "course1.db",
-    },
-    
-    'edx/full/6.002_Spring_2012': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': ENV_ROOT / "db" / "course2.db",
-    }
 }
 
 LMS_BASE = "localhost:8000"
 
 CACHES = {
-    # This is the cache used for most things. Askbot will not work without a 
+    # This is the cache used for most things. Askbot will not work without a
     # functioning cache -- it relies on caching to load its settings in places.
     # In staging/prod envs, the sessions also live here.
     'default': {
@@ -115,4 +103,4 @@ CACHES = {
 PASSWORD_HASHERS = (
     'django.contrib.auth.hashers.SHA1PasswordHasher',
     'django.contrib.auth.hashers.MD5PasswordHasher',
-)
\ No newline at end of file
+)
diff --git a/cms/manage.py b/cms/manage.py
index f8773c0641..723fa59da1 100644
--- a/cms/manage.py
+++ b/cms/manage.py
@@ -2,7 +2,7 @@
 from django.core.management import execute_manager
 import imp
 try:
-    imp.find_module('settings') # Assumed to be in the same directory.
+    imp.find_module('settings')   # Assumed to be in the same directory.
 except ImportError:
     import sys
     sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. "
diff --git a/cms/static/client_templates/course_grade_policy.html b/cms/static/client_templates/course_grade_policy.html
index 639bee3d9b..db129614f6 100644
--- a/cms/static/client_templates/course_grade_policy.html
+++ b/cms/static/client_templates/course_grade_policy.html
@@ -6,26 +6,26 @@
   </div>
 
   <div class="field text" id="field-course-grading-assignment-shortname">
-    <label for="course-grading-shortname">Abbreviation:</label>
+    <label for="course-grading-assignment-shortname">Abbreviation:</label>
     <input type="text" class="short" id="course-grading-assignment-shortname" value="<%= model.get('short_label') %>" /> 
     <span class="tip tip-inline">e.g. HW, Midterm</span>
   </div>
   
   <div class="field text" id="field-course-grading-assignment-gradeweight">
-    <label for="course-grading-gradeweight">Weight of Total Grade</label>
+    <label for="course-grading-assignment-gradeweight">Weight of Total Grade</label>
     <input type="text" class="short" id="course-grading-assignment-gradeweight" value = "<%= model.get('weight') %>" /> 
     <span class="tip tip-inline">e.g. 25%</span>
   </div>
   
   <div class="field text" id="field-course-grading-assignment-totalassignments">
-    <label for="course-grading-gradeweight">Total
+    <label for="course-grading-assignment-totalassignments">Total
 			Number</label>
     <input type="text" class="short" id="course-grading-assignment-totalassignments" value = "<%= model.get('min_count') %>" /> 
     <span class="tip tip-inline">total exercises assigned</span>
   </div>
   
   <div class="field text" id="field-course-grading-assignment-droppable">
-    <label for="course-grading-gradeweight">Number of
+    <label for="course-grading-assignment-droppable">Number of
 			Droppable</label>
     <input type="text" class="short" id="course-grading-assignment-droppable" value = "<%= model.get('drop_count') %>" />
     <span class="tip tip-inline">total exercises that won't be graded</span>
diff --git a/cms/static/js/base.js b/cms/static/js/base.js
index 02b422cecd..caf6df940e 100644
--- a/cms/static/js/base.js
+++ b/cms/static/js/base.js
@@ -39,15 +39,20 @@ $(document).ready(function() {
   $('.unit .item-actions .delete-button').bind('click', deleteUnit);
   $('.new-unit-item').bind('click', createNewUnit);
 
-  // nav-related
   $('body').addClass('js');
 
+  // nav - dropdown related
+  $body.click(function(e){
+    $('.nav-dropdown .nav-item .wrapper-nav-sub').removeClass('is-shown');
+    $('.nav-dropdown .nav-item .title').removeClass('is-selected');
+  });
+
   $('.nav-dropdown .nav-item .title').click(function(e){
 
     $subnav = $(this).parent().find('.wrapper-nav-sub');
     $title = $(this).parent().find('.title');
-
     e.preventDefault();
+    e.stopPropagation();
 
     if ($subnav.hasClass('is-shown')) {
       $subnav.removeClass('is-shown');
diff --git a/cms/static/js/models/settings/course_details.js b/cms/static/js/models/settings/course_details.js
index 3b5d377ff9..168cb960be 100644
--- a/cms/static/js/models/settings/course_details.js
+++ b/cms/static/js/models/settings/course_details.js
@@ -61,7 +61,7 @@ CMS.Models.Settings.CourseDetails = Backbone.Model.extend({
 
     url: function() {
         var location = this.get('location');
-        return '/' + location.get('org') + "/" + location.get('course') + '/settings/' + location.get('name') + '/section/details';
+        return '/' + location.get('org') + "/" + location.get('course') + '/settings-details/' + location.get('name') + '/section/details';
     },
 
     _videokey_illegal_chars : /[^a-zA-Z0-9_-]/g,
diff --git a/cms/static/js/models/settings/course_grading_policy.js b/cms/static/js/models/settings/course_grading_policy.js
index 7722a27f67..3f8b1bf29a 100644
--- a/cms/static/js/models/settings/course_grading_policy.js
+++ b/cms/static/js/models/settings/course_grading_policy.js
@@ -28,7 +28,7 @@ CMS.Models.Settings.CourseGradingPolicy = Backbone.Model.extend({
     },
     url : function() {
         var location = this.get('course_location');
-        return '/' + location.get('org') + "/" + location.get('course') + '/settings/' + location.get('name') + '/section/grading';
+        return '/' + location.get('org') + "/" + location.get('course') + '/settings-details/' + location.get('name') + '/section/grading';
     },
     gracePeriodToDate : function() {
         var newDate = new Date();
@@ -120,7 +120,7 @@ CMS.Models.Settings.CourseGraderCollection = Backbone.Collection.extend({
     model : CMS.Models.Settings.CourseGrader,
     course_location : null, // must be set to a Location object
     url : function() {
-        return '/' + this.course_location.get('org') + "/" + this.course_location.get('course') + '/grades/' + this.course_location.get('name') + '/';
+        return '/' + this.course_location.get('org') + "/" + this.course_location.get('course') + '/settings-grading/' + this.course_location.get('name') + '/';
     },
     sumWeights : function() {
         return this.reduce(function(subtotal, grader) { return subtotal + grader.get('weight'); }, 0);
diff --git a/cms/static/js/views/overview.js b/cms/static/js/views/overview.js
index 8cbae177a8..7d92ab69ad 100644
--- a/cms/static/js/views/overview.js
+++ b/cms/static/js/views/overview.js
@@ -58,6 +58,9 @@ $(document).ready(function() {
         drop: onSectionReordered,
         greedy: true
     });
+    
+    // stop clicks on drag bars from doing their thing w/o stopping drag
+    $('.drag-handle').click(function(e) {e.preventDefault(); });
 
 });
 
@@ -202,13 +205,17 @@ function _handleReorder(event, ui, parentIdField, childrenSelector) {
                 children = _.without(children, ui.draggable.data('id'));
         }
         // add to this parent (figure out where)
-        for (var i = 0; i < _els.length; i++) {
-                if (!ui.draggable.is(_els[i]) && ui.offset.top < $(_els[i]).offset().top) {
+        for (var i = 0, bump = 0; i < _els.length; i++) {
+            if (ui.draggable.is(_els[i])) {
+                bump = -1; // bump indicates that the draggable was passed in the dom but not children's list b/c
+                // it's not in that list
+            }
+            else if (ui.offset.top < $(_els[i]).offset().top) {
                         // insert at i in children and _els
                         ui.draggable.insertBefore($(_els[i]));
                         // TODO figure out correct way to have it remove the style: top:n; setting (and similar line below)
                         ui.draggable.attr("style", "position:relative;");
-                        children.splice(i, 0, ui.draggable.data('id'));
+                        children.splice(i + bump, 0, ui.draggable.data('id'));
                         break;
                 }
         }
diff --git a/cms/static/js/views/settings/main_settings_view.js b/cms/static/js/views/settings/main_settings_view.js
index 7e0b394203..6f96ed574e 100644
--- a/cms/static/js/views/settings/main_settings_view.js
+++ b/cms/static/js/views/settings/main_settings_view.js
@@ -22,7 +22,7 @@ CMS.Views.Settings.Details = CMS.Views.ValidatingView.extend({
         this.$el.find("#course-organization").val(this.model.get('location').get('org'));
         this.$el.find("#course-number").val(this.model.get('location').get('course'));
         this.$el.find('.set-date').datepicker({ 'dateFormat': 'm/d/yy' });
-        
+
         var dateIntrospect = new Date();
         this.$el.find('#timezone').html("(" + dateIntrospect.getTimezone() + ")");
 
@@ -96,7 +96,7 @@ CMS.Views.Settings.Details = CMS.Views.ValidatingView.extend({
                     time = 0;
                 }
                 var newVal = new Date(date.getTime() + time * 1000);
-                if (cacheModel.get(fieldName).getTime() !== newVal.getTime()) {
+                if (!cacheModel.has(fieldName) || cacheModel.get(fieldName).getTime() !== newVal.getTime()) {
                     cacheModel.save(fieldName, newVal);
                 }
             }
@@ -190,3 +190,4 @@ CMS.Views.Settings.Details = CMS.Views.ValidatingView.extend({
     }
 
 });
+
diff --git a/cms/static/sass/_account.scss b/cms/static/sass/_account.scss
index 81771557f0..650743979f 100644
--- a/cms/static/sass/_account.scss
+++ b/cms/static/sass/_account.scss
@@ -145,6 +145,13 @@ body.signup, body.signin {
             :-ms-input-placeholder {  
                color: $gray-l3; 
             }
+
+            &:focus {
+
+              + .tip {
+                color: $gray;
+              }
+            }
           }
 
           textarea.long {
@@ -163,6 +170,7 @@ body.signup, body.signin {
           }
 
           .tip {
+            @include transition(color, 0.15s, ease-in-out);
             @include font-size(13);
             display: block;
             margin-top: ($baseline/4);
diff --git a/cms/static/sass/_base.scss b/cms/static/sass/_base.scss
index e8dab4e066..de9b2aa421 100644
--- a/cms/static/sass/_base.scss
+++ b/cms/static/sass/_base.scss
@@ -4,6 +4,7 @@
 // basic reset
 html {
   font-size: 62.5%;
+  overflow-y: scroll;
 }
 
 body {
@@ -194,6 +195,22 @@ h1 {
         margin-bottom: 0;
       }
     }
+
+    .nav-related {
+
+      .nav-item {
+        margin-bottom: ($baseline/4);
+        border-bottom: 1px dotted $gray-l4;
+        padding-bottom: ($baseline/4);
+
+
+        &:last-child {
+          margin-bottom: 0;
+          border: none;
+          padding-bottom: 0;
+        }
+      }
+    }
   }
 }
 
@@ -605,4 +622,14 @@ body.hide-wip {
   .wip-box {
     display: none;
   }
+}
+
+// ====================
+
+// needed fudges for now
+body.dashboard {
+
+  .my-classes {
+    margin-top: $baseline;
+  }
 }
\ No newline at end of file
diff --git a/cms/static/sass/_header.scss b/cms/static/sass/_header.scss
index 8744b4d307..29efb359c0 100644
--- a/cms/static/sass/_header.scss
+++ b/cms/static/sass/_header.scss
@@ -53,9 +53,6 @@
   float: right;
 }
 
-// general nav styles
-// ====================
-
 // ====================
 
 // specific elements - branding
@@ -66,7 +63,7 @@
 
 .branding {
   position: relative;
-  margin: 0 ($baseline*0.75) 0 0;
+  margin: 0 ($baseline/2) 0 0;
   padding-right: ($baseline*0.75);
 
   a {
@@ -109,18 +106,21 @@
     width: 1px;
   }
 
-  .course-number, .course-title {
-    display: block;
+  .course-org {
+    margin-right: ($baseline/4);
   }
 
-  .course-number {
+  .course-number, .course-org {
     @include font-size(12);
+    display: inline-block;
   }
 
   .course-title {
+    display: block;
     width: 100%;
     max-width: 220px;
     overflow: hidden;
+    margin-top: -4px;
     white-space: nowrap;
     text-overflow: ellipsis;
     @include font-size(16);
@@ -151,8 +151,12 @@
       font-weight: 600;
       color: $gray-d3;
 
-      &:hover, &:active {
+      &:hover, &:active, &.is-selected {
         color: $blue;
+
+        .icon-expand {
+          color: $blue;
+        }
       }
 
       .label-prefix {
@@ -160,14 +164,6 @@
         @include font-size(11);
         font-weight: 400;
       }
-
-      &.is-selected {
-        color: $blue-d1;
-
-        .icon-expand {
-          color: $blue-d1;
-        }
-      }
     }
 
     // specific nav items
@@ -203,11 +199,17 @@
 
     .account-username {
       display: inline-block;
+      vertical-align: middle;
       width: 80%;
       overflow: hidden;
       white-space: nowrap;
       text-overflow: ellipsis;
     }
+
+    .icon-expand {
+      display: inline-block;
+      vertical-align: middle;
+    }
   }
 }
 
@@ -222,6 +224,7 @@
     .icon-expand {
       @include font-size(14);
       @include transition (color 0.5s ease-in-out, opacity 0.5s ease-in-out);
+      display: inline-block;
       margin-left: 2px;
       opacity: 0.5;
       color: $gray-l2;
@@ -306,7 +309,7 @@
     .wrapper-nav-sub {
       top: 27px;
       left: auto;
-      right: -($baseline/2);
+      right: -13px;
       width: 110px;
     }
 
@@ -513,6 +516,7 @@ body.course.export .nav-course-tools-export,
 
   a {
     color: $blue;
+    pointer-events: none;
   }
 }
 
@@ -540,6 +544,7 @@ body.signin .nav-not-signedin-signup {
   .nav-dropdown {
 
     .nav-item .title {
+      outline: 0;
       cursor: pointer;
     }
   }
diff --git a/cms/static/sass/_index.scss b/cms/static/sass/_index.scss
index ade1973493..8a4ca4a0a4 100644
--- a/cms/static/sass/_index.scss
+++ b/cms/static/sass/_index.scss
@@ -36,7 +36,9 @@
       color: $gray-d2;
     
       header {
-
+        border: none;
+        padding-bottom: 0;
+        margin-bottom: 0;
       }
 
       h1, h2, h3, h4, h5, h6 {
@@ -238,7 +240,6 @@
               margin-right: flex-gutter();
               padding: ($baseline*0.75) $baseline;
               color: $gray-l1;
-              cursor: pointer;
 
               .title {
                 @include font-size(16);
@@ -252,7 +253,7 @@
                 background: $blue-l5;
                 top: -($baseline/5);
 
-                .title, strong {
+                .title {
                   color: $blue;
                 }
               }
diff --git a/cms/static/sass/_settings.scss b/cms/static/sass/_settings.scss
index 6df5a56b08..d25c78f35b 100644
--- a/cms/static/sass/_settings.scss
+++ b/cms/static/sass/_settings.scss
@@ -47,6 +47,7 @@ body.course.settings {
 
     // UI hints/tips/messages
     .tip {
+      @include transition(color, 0.15s, ease-in-out);
       @include font-size(13);
       display: block;
       margin-top: ($baseline/4);
@@ -127,6 +128,13 @@ body.course.settings {
           &.error {
             border-color: $red;
           }
+
+          &:focus {
+
+            + .tip {
+              color: $gray;
+            }
+          }
         }
 
         textarea.long {
@@ -157,10 +165,10 @@ body.course.settings {
           @include box-sizing(border-box);
           @include border-radius(3px);
           background: $gray-l5;
-          padding: ($baseline/2);
+          padding: $baseline;
 
           &:last-child {
-            padding-bottom: ($baseline/2); 
+            padding-bottom: $baseline; 
           }
 
           .actions {
diff --git a/cms/templates/edit_subsection.html b/cms/templates/edit_subsection.html
index ae5555b607..044b2966ad 100644
--- a/cms/templates/edit_subsection.html
+++ b/cms/templates/edit_subsection.html
@@ -137,6 +137,8 @@
   <script type="text/javascript" src="${static.url('js/models/course_relative.js')}"></script>
   <script type="text/javascript" src="${static.url('js/views/grader-select-view.js')}"></script>
   <script type="text/javascript" src="${static.url('js/models/settings/course_grading_policy.js')}"></script>
+  <script type="text/javascript" src="${static.url('js/views/overview.js')}"></script>
+  
 
 <script type="text/javascript">
     $(document).ready(function() {
diff --git a/cms/templates/index.html b/cms/templates/index.html
index b4c1daff69..2b6cd5913e 100644
--- a/cms/templates/index.html
+++ b/cms/templates/index.html
@@ -39,14 +39,18 @@
         <h1 class="title-1">My Courses</h1>
       </div>
 
+      % if user.is_active:
       <nav class="nav-actions">
         <h3 class="sr">Page Actions</h3>
         <ul>
           <li class="nav-item">
-            <a href="#" class="new-button new-course-button"><span class="plus-icon white"></span> New Course</a>
+            % if not disable_course_creation:
+              <a href="#" class="new-button new-course-button"><span class="plus-icon white"></span> New Course</a>
+            % endif
           </li>
         </ul>
       </nav>
+      % endif
     </header>
   </div>
 
diff --git a/cms/templates/login.html b/cms/templates/login.html
index d0f19d585c..1b52c55973 100644
--- a/cms/templates/login.html
+++ b/cms/templates/login.html
@@ -8,15 +8,15 @@
 <div class="wrapper-content wrapper">
   <section class="content">
     <header>
-      <h1 class="title title-1">Sign into edX Studio</h1>
-      <a href="" class="action action-signin">Don't have a Studio Account? Sign up!</a>
+      <h1 class="title title-1">Sign In to edX Studio</h1>
+      <a href="${reverse('signup')}" class="action action-signin">Don't have a Studio Account? Sign up!</a>
     </header>
 
     <article class="content-primary" role="main">
       <form id="login_form" method="post" action="login_post">
         
         <fieldset>
-          <legend class="sr">Required Information to Sign into edX Studio</legend>
+          <legend class="sr">Required Information to Sign In to edX Studio</legend>
           
           <ol class="list-input">
             <li class="field text required" id="field-email">
@@ -33,7 +33,7 @@
         </fieldset>
 
         <div class="form-actions">
-          <button type="submit" id="submit" name="submit" class="action action-primary">Sign into edX Studio</button>
+          <button type="submit" id="submit" name="submit" class="action action-primary">Sign In to edX Studio</button>
         </div>
 
         <!-- no honor code for CMS, but need it because we're using the lms student object -->
@@ -46,7 +46,7 @@
 
       <div class="bit">
         <h3 class="title-3">Need Help?</h3>
-        <p>Having trouble with your account? Use <a href="" rel="external">our support center</a> to look over self help steps, find solutions others have found to the same problem, or let us know of your issue.</p>
+        <p>Having trouble with your account? Use <a href="http://help.edge.edx.org" rel="external">our support center</a> to look over self help steps, find solutions others have found to the same problem, or let us know of your issue.</p>
       </div>
     </aside>
   </section>
@@ -77,7 +77,11 @@
       submit_data,
       function(json) {
         if(json.success) {
-          location.href = "${reverse('index')}";
+          var next = /next=([^&]*)/g.exec(decodeURIComponent(window.location.search));
+          if (next && next.length > 1) {
+            location.href = next[1];
+          }
+          else location.href = "${reverse('homepage')}";
         } else if($('#login_error').length == 0) {
           $('#login_form').prepend('<div id="login_error" class="message message-status error">' + json.value + '</span></div>');
           $('#login_error').addClass('is-shown');
diff --git a/cms/templates/manage_users.html b/cms/templates/manage_users.html
index d18ff0df60..48ad0a2ee9 100644
--- a/cms/templates/manage_users.html
+++ b/cms/templates/manage_users.html
@@ -111,7 +111,7 @@
     $cancelButton.bind('click', hideNewUserForm);
 
     $('.new-user-button').bind('click', showNewUserForm);
-    $body.bind('keyup', { $cancelButton: $cancelButton }, checkForCancel);
+    $('body').bind('keyup', { $cancelButton: $cancelButton }, checkForCancel);
 
     $('.remove-user').click(function() {
       $.ajax({
diff --git a/cms/templates/settings.html b/cms/templates/settings.html
index 03c02b282a..0e9bebef9f 100644
--- a/cms/templates/settings.html
+++ b/cms/templates/settings.html
@@ -7,6 +7,7 @@
 from contentstore import utils 
 %>
 
+
 <%block name="jsextra">
   <link rel="stylesheet" type="text/css" href="${static.url('js/vendor/timepicker/jquery.timepicker.css')}" />
   <script src="${static.url('js/vendor/timepicker/jquery.timepicker.js')}"></script>
@@ -22,19 +23,19 @@ from contentstore import utils
   
   <script type="text/javascript">
     $(document).ready(function(){
-
+    
       $("form :input").focus(function() {
         $("label[for='" + this.id + "']").addClass("is-focused");
       }).blur(function() {
         $("label").removeClass("is-focused");
-      });
-
+        });
+        
       var editor = new CMS.Views.Settings.Details({
           el: $('.settings-details'),
           model: new CMS.Models.Settings.CourseDetails(${course_details|n},{parse:true})
-      });
-      
-      editor.render();
+        });
+        
+        editor.render();
     });
       
   </script>
@@ -60,10 +61,10 @@ from contentstore import utils
     <article class="content-primary" role="main">
       <form id="settings_details" class="settings-details" method="post" action="">
         <section class="group-settings basic">
-          <header>
+              <header>
             <h2 class="title-2">Basic Information</h2>
             <span class="tip">The nuts and bolts of your course</span>
-          </header>
+              </header>
 
           <ol class="list-input">
             <li class="field text is-not-editable" id="field-course-organization">
@@ -81,30 +82,30 @@ from contentstore import utils
               <input type="text" class="long" id="course-name" value="[Course Name]" disabled="disabled" />
             </li>
           </ol>
-          <span class="tip tip-stacked">These are used in <a href="${utils.get_lms_link_for_about_page(course_location)}" />your course URL</a>, and cannot be changed</span>
+          <span class="tip tip-stacked">These are used in <a rel="external" href="${utils.get_lms_link_for_about_page(course_location)}" />your course URL</a>, and cannot be changed</span>
         </section>
 
-        <hr class="divide" />
+            <hr class="divide" />
 
         <section class="group-settings schedule">
-          <header>
+              <header>
             <h2 class="title-2">Course Schedule</h2>
             <span class="tip">Important steps and segments of your course</span>
-          </header>
+              </header>
 
           <ol class="list-input">
             <li class="field-group field-group-course-start" id="course-start">
               <div class="field date" id="field-course-start-date">
                 <label for="course-start-date">Course Start Date</label>
                 <input type="text" class="start-date date start datepicker" id="course-start-date" placeholder="MM/DD/YYYY" autocomplete="off" />
-                <span class="tip tip-stacked">First day the course begins</span>              
-              </div>
+                      <span class="tip tip-stacked">First day the course begins</span>          
+                    </div>
 
               <div class="field time" id="field-course-start-time">
                 <label for="course-start-time">Course Start Time</label>
                 <input type="text" class="time start timepicker" id="course-start-time" value="" placeholder="HH:MM" autocomplete="off" />
-                <span class="tip tip-stacked" id="timezone"></span>
-              </div>
+                      <span class="tip tip-stacked" id="timezone"></span>          
+                    </div>
             </li>
 
             <li class="field-group field-group-course-end" id="course-end">
@@ -112,13 +113,13 @@ from contentstore import utils
                 <label for="course-end-date">Course End Date</label>
                 <input type="text" class="end-date date end" id="course-end-date" placeholder="MM/DD/YYYY" autocomplete="off" />
                 <span class="tip tip-stacked">Last day your course is active</span>              
-              </div>
+                    </div>
 
               <div class="field time" id="field-course-end-time">
                 <label for="course-end-time">Course End Time</label>
                 <input type="text" class="time end" id="course-end-time" value="" placeholder="HH:MM" autocomplete="off" />
-                <span class="tip tip-stacked" id="timezone"></span>
-              </div>
+                      <span class="tip tip-stacked" id="timezone"></span>          
+                    </div>
             </li>           
           </ol>
 
@@ -127,38 +128,38 @@ from contentstore import utils
               <div class="field date" id="field-enrollment-start-date">
                 <label for="course-enrollment-start-date">Enrollment Start Date</label>
                 <input type="text" class="start-date date start" id="course-enrollment-start-date" placeholder="MM/DD/YYYY" autocomplete="off" />
-                <span class="tip tip-stacked">First day students can enroll</span>               
-              </div>
+                      <span class="tip tip-stacked">First day students can enroll</span>          
+                    </div>
 
               <div class="field time" id="field-enrollment-start-time">
                 <label for="course-enrollment-start-time">Enrollment Start Time</label>
                 <input type="text" class="time start" id="course-enrollment-start-time" value="" placeholder="HH:MM" autocomplete="off" />
-                <span class="tip tip-stacked" id="timezone"></span> 
-              </div>
+                      <span class="tip tip-stacked" id="timezone"></span>           
+                    </div>
             </li>
 
             <li class="field-group field-group-enrollment-end" id="enrollment-end">
               <div class="field date" id="field-enrollment-end-date">
                 <label for="course-enrollment-end-date">Enrollment End Date</label>
                 <input type="text" class="end-date date end" id="course-enrollment-end-date" placeholder="MM/DD/YYYY" autocomplete="off" />
-                <span class="tip tip-stacked">Last day students can enroll</span>             
-              </div>
+                      <span class="tip tip-stacked">Last day students can enroll</span>          
+                    </div>
 
               <div class="field time" id="field-enrollment-end-time">
                 <label for="course-enrollment-end-time">Enrollment End Time</label>
                 <input type="text" class="time end" id="course-enrollment-end-time" value="" placeholder="HH:MM" autocomplete="off" />
-                <span class="tip tip-stacked" id="timezone"></span> 
-              </div>
+                      <span class="tip tip-stacked" id="timezone"></span>           
+                    </div>
             </li> 
           </ol>
         </section>
 
-        <hr class="divide" />
+            <hr class="divide" />
 
         <section class="group-settings marketing">
           <header>
             <h2 class="title-2">Introducing Your Course</h2>
-            <span class="tip">Information for perspective students</span>
+            <span class="tip">Information for prospective students</span>
           </header>
 
           <ol class="list-input">
@@ -170,40 +171,40 @@ from contentstore import utils
 
             <li class="field video" id="field-course-introduction-video">
               <label for="course-overview">Course Introduction Video</label>
-              <div class="input input-existing">
-                <div class="current current-course-introduction-video">
+                  <div class="input input-existing">
+                    <div class="current current-course-introduction-video">
                   <iframe width="618" height="350" src="" frameborder="0" allowfullscreen></iframe>
 
-                </div>
+                    </div>
                 <div class="actions">
                   <a href="#" class="remove-item remove-course-introduction-video remove-video-data"><span class="delete-icon"></span> Delete Current Video</a>
                 </div>
-              </div>
+                  </div>
 
-              <div class="input">
+                  <div class="input">
                 <input type="text" class="long new-course-introduction-video add-video-data" id="course-introduction-video" value="" placeholder="your YouTube video's ID" autocomplete="off" />
                 <span class="tip tip-stacked">Enter your YouTube video's ID (along with any restriction parameters)</span>
-              </div>
+                  </div>
             </li>
           </ol>
         </section>
 
-        <hr class="divide" />
+            <hr class="divide" />
 
         <section class="group-settings requirements">
-          <header>
+              <header>
             <h2 class="title-2">Requirements</h2>
             <span class="tip">Expectations of the students taking this course</span>
-          </header>
+              </header>
 
           <ol class="list-input">
             <li class="field text" id="field-course-effort">
               <label for="course-effort">Hours of Effort per Week</label>
               <input type="text" class="short time" id="course-effort" placeholder="HH:MM" />
-              <span class="tip tip-inline">Time spent on all course work</span>
-            </li>
-          </ol>
-        </section>
+                    <span class="tip tip-inline">Time spent on all course work</span>
+                    </li>
+                      </ol>
+            </section>
       </form>
     </article>
 
@@ -213,7 +214,7 @@ from contentstore import utils
         <p>Your course's schedule settings determine when students can enroll in and begin a course as well as when the course.</p>
 
         <p>Additionally, details provided on this page are also used in edX's catalog of courses, which new and returning students use to choose new courses to study.</p>
-      </div>
+                </div>
 
       <div class="bit">
       % if context_course:
@@ -223,6 +224,7 @@ from contentstore import utils
         <nav class="nav-related">
           <ul>
             <li class="nav-item"><a href="${reverse('contentstore.views.course_config_graders_page', kwargs={'org' : ctx_loc.org, 'course' : ctx_loc.course, 'name': ctx_loc.name})}">Grading</a></li>
+            <li class="nav-item"><a href="${reverse('manage_users', kwargs=dict(location=ctx_loc))}">Course Team</a></li>
           </ul>
         </nav>
       % endif
diff --git a/cms/templates/settings_graders.html b/cms/templates/settings_graders.html
index 869cf76a5c..7a9cac9c7a 100644
--- a/cms/templates/settings_graders.html
+++ b/cms/templates/settings_graders.html
@@ -145,6 +145,7 @@ from contentstore import utils
         <nav class="nav-related">
           <ul>
             <li class="nav-item"><a href="${reverse('contentstore.views.get_course_settings', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}">Details &amp; Schedule</a></li>
+            <li class="nav-item"><a href="${reverse('manage_users', kwargs=dict(location=ctx_loc))}">Course Team</a></li>
           </ul>
         </nav>
       % endif
diff --git a/cms/templates/signup.html b/cms/templates/signup.html
index c29f2eea57..30c5c1cf2b 100644
--- a/cms/templates/signup.html
+++ b/cms/templates/signup.html
@@ -10,7 +10,7 @@
   <section class="content">
     <header>
       <h1 class="title title-1">Sign Up for edX Studio</h1>
-      <a href="" class="action action-signin">Already have a Studio Account? Sign in</a>
+      <a href="${reverse('login')}" class="action action-signin">Already have a Studio Account? Sign in</a>
     </header>
 
     <p class="introduction">Ready to start creating online courses? Sign up below and start creating your first edX course today.</p>
diff --git a/cms/templates/widgets/footer.html b/cms/templates/widgets/footer.html
index b73c2b7376..0f265dfc2c 100644
--- a/cms/templates/widgets/footer.html
+++ b/cms/templates/widgets/footer.html
@@ -18,7 +18,7 @@
           <a href="http://help.edge.edx.org/" rel="external">edX Studio Help</a>
         </li>
         <li class="nav-item nav-peripheral-contact">
-          <a href="#">Contact edX</a>
+          <a href="https://www.edx.org/contact" rel="external">Contact edX</a>
         </li>
         
         % if user.is_authenticated():
diff --git a/cms/templates/widgets/header.html b/cms/templates/widgets/header.html
index c664669ead..53c5193f3d 100644
--- a/cms/templates/widgets/header.html
+++ b/cms/templates/widgets/header.html
@@ -11,7 +11,7 @@
       <div class="info-course">
         <h2 class="sr">Current Course:</h2>
         <a href="${reverse('course_index', kwargs=dict(org=ctx_loc.org, course=ctx_loc.course, name=ctx_loc.name))}">
-        <span class="course-number">PH207x:</span>
+        <span class="course-org">${ctx_loc.org}</span><span class="course-number">${ctx_loc.course}</span>
         <span class="course-title" title="${context_course.display_name}">${context_course.display_name}</span>
         </a>
       </div>
@@ -84,7 +84,7 @@
             <div class="wrapper wrapper-nav-sub">
               <div class="nav-sub">
                 <ul>
-                  <li class="nav-item nav-account-dashboard"><a href="#">My Courses</a></li>
+                  <li class="nav-item nav-account-dashboard"><a href="/">My Courses</a></li>
                   <li class="nav-item nav-account-help"><a href="http://help.edge.edx.org/" rel="external">Studio Help</a></li>
                   <li class="nav-item nav-account-signout"><a class="action action-signout" href="${reverse('logout')}">Sign Out</a></li>
                 </ul>
@@ -98,7 +98,7 @@
         <h2 class="sr">You're not currently signed in</h2>
         <ol>
           <li class="nav-item nav-not-signedin-hiw">
-            <a href="#">How Studio Works</a>
+            <a href="/">How Studio Works</a>
           </li>
           <li class="nav-item nav-not-signedin-help">
             <a href="http://help.edge.edx.org/" rel="external">Studio Help</a>
diff --git a/cms/urls.py b/cms/urls.py
index cb5f954cb8..a41094c780 100644
--- a/cms/urls.py
+++ b/cms/urls.py
@@ -6,7 +6,8 @@ from django.conf.urls import patterns, include, url
 # admin.autodiscover()
 
 urlpatterns = ('',
-    url(r'^$', 'contentstore.views.index', name='index'),
+    url(r'^$', 'contentstore.views.howitworks', name='homepage'),
+    url(r'^listing', 'contentstore.views.index', name='index'),
     url(r'^edit/(?P<location>.*?)$', 'contentstore.views.edit_unit', name='edit_unit'),
     url(r'^subsection/(?P<location>.*?)$', 'contentstore.views.edit_subsection', name='edit_subsection'),
     url(r'^preview_component/(?P<location>.*?)$', 'contentstore.views.preview_component', name='preview_component'),
@@ -49,7 +50,7 @@ urlpatterns = ('',
 
     url(r'^(?P<org>[^/]+)/(?P<course>[^/]+)/(?P<category>[^/]+)/(?P<name>[^/]+)/gradeas.*$', 'contentstore.views.assignment_type_update', name='assignment_type_update'),
 
-    url(r'^pages/(?P<org>[^/]+)/(?P<course>[^/]+)/course/(?P<coursename>[^/]+)$', 'contentstore.views.static_pages', 
+    url(r'^pages/(?P<org>[^/]+)/(?P<course>[^/]+)/course/(?P<coursename>[^/]+)$', 'contentstore.views.static_pages',
         name='static_pages'),
     url(r'^edit_static/(?P<org>[^/]+)/(?P<course>[^/]+)/course/(?P<coursename>[^/]+)$', 'contentstore.views.edit_static', name='edit_static'),
     url(r'^edit_tabs/(?P<org>[^/]+)/(?P<course>[^/]+)/course/(?P<coursename>[^/]+)$', 'contentstore.views.edit_tabs', name='edit_tabs'),
@@ -57,7 +58,7 @@ urlpatterns = ('',
 
     # this is a generic method to return the data/metadata associated with a xmodule
     url(r'^module_info/(?P<module_location>.*)$', 'contentstore.views.module_info', name='module_info'),
- 
+
 
     # temporary landing page for a course
     url(r'^edge/(?P<org>[^/]+)/(?P<course>[^/]+)/course/(?P<coursename>[^/]+)$', 'contentstore.views.landing', name='landing'),
diff --git a/common/djangoapps/cache_toolbox/core.py b/common/djangoapps/cache_toolbox/core.py
index 3bd184bc2c..a9c7002aa6 100644
--- a/common/djangoapps/cache_toolbox/core.py
+++ b/common/djangoapps/cache_toolbox/core.py
@@ -14,6 +14,7 @@ from django.db import DEFAULT_DB_ALIAS
 from . import app_settings
 from xmodule.contentstore.content import StaticContent
 
+
 def get_instance(model, instance_or_pk, timeout=None, using=None):
     """
     Returns the ``model`` instance with a primary key of ``instance_or_pk``.
@@ -108,11 +109,14 @@ def instance_key(model, instance_or_pk):
         getattr(instance_or_pk, 'pk', instance_or_pk),
     )
 
+
 def set_cached_content(content):
     cache.set(str(content.location), content)
 
+
 def get_cached_content(location):
     return cache.get(str(location))
 
+
 def del_cached_content(location):
     cache.delete(str(location))
diff --git a/common/djangoapps/contentserver/middleware.py b/common/djangoapps/contentserver/middleware.py
index 1d139bcaa0..c5e887801e 100644
--- a/common/djangoapps/contentserver/middleware.py
+++ b/common/djangoapps/contentserver/middleware.py
@@ -12,7 +12,7 @@ from xmodule.exceptions import NotFoundError
 class StaticContentServer(object):
     def process_request(self, request):
         # look to see if the request is prefixed with 'c4x' tag
-        if request.path.startswith('/' + XASSET_LOCATION_TAG +'/'):
+        if request.path.startswith('/' + XASSET_LOCATION_TAG + '/'):
             loc = StaticContent.get_location_from_path(request.path)
             # first look in our cache so we don't have to round-trip to the DB
             content = get_cached_content(loc)
diff --git a/common/djangoapps/course_groups/cohorts.py b/common/djangoapps/course_groups/cohorts.py
index f84e18b214..155f82e0c7 100644
--- a/common/djangoapps/course_groups/cohorts.py
+++ b/common/djangoapps/course_groups/cohorts.py
@@ -13,6 +13,7 @@ from .models import CourseUserGroup
 
 log = logging.getLogger(__name__)
 
+
 def is_course_cohorted(course_id):
     """
     Given a course id, return a boolean for whether or not the course is
@@ -115,6 +116,7 @@ def get_course_cohorts(course_id):
 
 ### Helpers for cohort management views
 
+
 def get_cohort_by_name(course_id, name):
     """
     Return the CourseUserGroup object for the given cohort.  Raises DoesNotExist
@@ -124,6 +126,7 @@ def get_cohort_by_name(course_id, name):
                                        group_type=CourseUserGroup.COHORT,
                                        name=name)
 
+
 def get_cohort_by_id(course_id, cohort_id):
     """
     Return the CourseUserGroup object for the given cohort.  Raises DoesNotExist
@@ -133,6 +136,7 @@ def get_cohort_by_id(course_id, cohort_id):
                                        group_type=CourseUserGroup.COHORT,
                                        id=cohort_id)
 
+
 def add_cohort(course_id, name):
     """
     Add a cohort to a course.  Raises ValueError if a cohort of the same name already
@@ -148,12 +152,14 @@ def add_cohort(course_id, name):
                                           group_type=CourseUserGroup.COHORT,
                                           name=name)
 
+
 class CohortConflict(Exception):
     """
     Raised when user to be added is already in another cohort in same course.
     """
     pass
 
+
 def add_user_to_cohort(cohort, username_or_email):
     """
     Look up the given user, and if successful, add them to the specified cohort.
@@ -211,4 +217,3 @@ def delete_empty_cohort(course_id, name):
                 name, course_id))
 
     cohort.delete()
-
diff --git a/common/djangoapps/course_groups/models.py b/common/djangoapps/course_groups/models.py
index 957d230d92..8bab17493b 100644
--- a/common/djangoapps/course_groups/models.py
+++ b/common/djangoapps/course_groups/models.py
@@ -5,6 +5,7 @@ from django.db import models
 
 log = logging.getLogger(__name__)
 
+
 class CourseUserGroup(models.Model):
     """
     This model represents groups of users in a course.  Groups may have different types,
@@ -30,5 +31,3 @@ class CourseUserGroup(models.Model):
     COHORT = 'cohort'
     GROUP_TYPE_CHOICES = ((COHORT, 'Cohort'),)
     group_type = models.CharField(max_length=20, choices=GROUP_TYPE_CHOICES)
-
-
diff --git a/common/djangoapps/course_groups/tests/tests.py b/common/djangoapps/course_groups/tests/tests.py
index 86f0be0791..b3ad928b39 100644
--- a/common/djangoapps/course_groups/tests/tests.py
+++ b/common/djangoapps/course_groups/tests/tests.py
@@ -2,7 +2,7 @@ import django.test
 from django.contrib.auth.models import User
 from django.conf import settings
 
-from override_settings import override_settings
+from django.test.utils import override_settings
 
 from course_groups.models import CourseUserGroup
 from course_groups.cohorts import (get_cohort, get_course_cohorts,
@@ -12,7 +12,8 @@ from xmodule.modulestore.django import modulestore, _MODULESTORES
 
 # NOTE: running this with the lms.envs.test config works without
 # manually overriding the modulestore.  However, running with
-# cms.envs.test doesn't.  
+# cms.envs.test doesn't.
+
 
 def xml_store_config(data_dir):
     return {
@@ -28,6 +29,7 @@ def xml_store_config(data_dir):
 TEST_DATA_DIR = settings.COMMON_TEST_DATA_ROOT
 TEST_DATA_XML_MODULESTORE = xml_store_config(TEST_DATA_DIR)
 
+
 @override_settings(MODULESTORE=TEST_DATA_XML_MODULESTORE)
 class TestCohorts(django.test.TestCase):
 
@@ -184,6 +186,3 @@ class TestCohorts(django.test.TestCase):
         self.assertTrue(
             is_commentable_cohorted(course.id, to_id("Feedback")),
             "Feedback was listed as cohorted.  Should be.")
-
-
-
diff --git a/common/djangoapps/course_groups/views.py b/common/djangoapps/course_groups/views.py
index d591c44356..6d5ac43fb0 100644
--- a/common/djangoapps/course_groups/views.py
+++ b/common/djangoapps/course_groups/views.py
@@ -22,6 +22,7 @@ import track.views
 
 log = logging.getLogger(__name__)
 
+
 def json_http_response(data):
     """
     Return an HttpResponse with the data json-serialized and the right content
@@ -29,6 +30,7 @@ def json_http_response(data):
     """
     return HttpResponse(json.dumps(data), content_type="application/json")
 
+
 def split_by_comma_and_whitespace(s):
     """
     Split a string both by commas and whitespice.  Returns a list.
@@ -177,6 +179,7 @@ def add_users_to_cohort(request, course_id, cohort_id):
                             'conflict': conflict,
                             'unknown': unknown})
 
+
 @ensure_csrf_cookie
 @require_POST
 def remove_user_from_cohort(request, course_id, cohort_id):
diff --git a/common/djangoapps/external_auth/admin.py b/common/djangoapps/external_auth/admin.py
index e93325bcb2..1ee18dadc1 100644
--- a/common/djangoapps/external_auth/admin.py
+++ b/common/djangoapps/external_auth/admin.py
@@ -5,8 +5,9 @@ django admin pages for courseware model
 from external_auth.models import *
 from django.contrib import admin
 
+
 class ExternalAuthMapAdmin(admin.ModelAdmin):
-    search_fields = ['external_id','user__username']
+    search_fields = ['external_id', 'user__username']
     date_hierarchy = 'dtcreated'
 
 admin.site.register(ExternalAuthMap, ExternalAuthMapAdmin)
diff --git a/common/djangoapps/external_auth/models.py b/common/djangoapps/external_auth/models.py
index e43b306bbb..6c2f38d8b3 100644
--- a/common/djangoapps/external_auth/models.py
+++ b/common/djangoapps/external_auth/models.py
@@ -12,20 +12,20 @@ file and check it in at the same time as your model changes. To do that,
 from django.db import models
 from django.contrib.auth.models import User
 
+
 class ExternalAuthMap(models.Model):
     class Meta:
         unique_together = (('external_id', 'external_domain'), )
     external_id = models.CharField(max_length=255, db_index=True)
     external_domain = models.CharField(max_length=255, db_index=True)
-    external_credentials = models.TextField(blank=True)  # JSON dictionary 
+    external_credentials = models.TextField(blank=True)  # JSON dictionary
     external_email = models.CharField(max_length=255, db_index=True)
-    external_name = models.CharField(blank=True,max_length=255, db_index=True)
+    external_name = models.CharField(blank=True, max_length=255, db_index=True)
     user = models.OneToOneField(User, unique=True, db_index=True, null=True)
-    internal_password = models.CharField(blank=True, max_length=31)	# randomly generated
-    dtcreated = models.DateTimeField('creation date',auto_now_add=True)
-    dtsignup = models.DateTimeField('signup date',null=True)		# set after signup
-    
+    internal_password = models.CharField(blank=True, max_length=31)  	# randomly generated
+    dtcreated = models.DateTimeField('creation date', auto_now_add=True)
+    dtsignup = models.DateTimeField('signup date', null=True)		# set after signup
+
     def __unicode__(self):
         s = "[%s] = (%s / %s)" % (self.external_id, self.external_name, self.external_email)
         return s
-    
diff --git a/common/djangoapps/external_auth/tests/test_openid_provider.py b/common/djangoapps/external_auth/tests/test_openid_provider.py
index 9c522f88b4..570dfbf9ee 100644
--- a/common/djangoapps/external_auth/tests/test_openid_provider.py
+++ b/common/djangoapps/external_auth/tests/test_openid_provider.py
@@ -13,9 +13,10 @@ from django.test import TestCase, LiveServerTestCase
 from django.core.urlresolvers import reverse
 from django.test.client import RequestFactory
 
+
 class MyFetcher(HTTPFetcher):
     """A fetcher that uses server-internal calls for performing HTTP
-    requests. 
+    requests.
     """
 
     def __init__(self, client):
@@ -42,7 +43,7 @@ class MyFetcher(HTTPFetcher):
             if headers and 'Accept' in headers:
                 data['CONTENT_TYPE'] = headers['Accept']
             response = self.client.get(url, data)
-        
+
         # Translate the test client response to the fetcher's HTTP response abstraction
         content = response.content
         final_url = url
@@ -60,6 +61,7 @@ class MyFetcher(HTTPFetcher):
             status=status,
             )
 
+
 class OpenIdProviderTest(TestCase):
 
 #    def setUp(self):
@@ -78,7 +80,7 @@ class OpenIdProviderTest(TestCase):
         provider_url = reverse('openid-provider-xrds')
         factory = RequestFactory()
         request = factory.request()
-        abs_provider_url = request.build_absolute_uri(location = provider_url)
+        abs_provider_url = request.build_absolute_uri(location=provider_url)
 
         # In order for this absolute URL to work (i.e. to get xrds, then authentication)
         # in the test environment, we either need a live server that works with the default
@@ -86,10 +88,10 @@ class OpenIdProviderTest(TestCase):
         # Here we do the latter:
         fetcher = MyFetcher(self.client)
         openid.fetchers.setDefaultFetcher(fetcher, wrap_exceptions=False)
-        
+
         # now we can begin the login process by invoking a local openid client,
         # with a pointer to the (also-local) openid provider:
-        with self.settings(OPENID_SSO_SERVER_URL = abs_provider_url):
+        with self.settings(OPENID_SSO_SERVER_URL=abs_provider_url):
             url = reverse('openid-login')
             resp = self.client.post(url)
             code = 200
@@ -107,7 +109,7 @@ class OpenIdProviderTest(TestCase):
         provider_url = reverse('openid-provider-login')
         factory = RequestFactory()
         request = factory.request()
-        abs_provider_url = request.build_absolute_uri(location = provider_url)
+        abs_provider_url = request.build_absolute_uri(location=provider_url)
 
         # In order for this absolute URL to work (i.e. to get xrds, then authentication)
         # in the test environment, we either need a live server that works with the default
@@ -115,10 +117,10 @@ class OpenIdProviderTest(TestCase):
         # Here we do the latter:
         fetcher = MyFetcher(self.client)
         openid.fetchers.setDefaultFetcher(fetcher, wrap_exceptions=False)
-        
+
         # now we can begin the login process by invoking a local openid client,
         # with a pointer to the (also-local) openid provider:
-        with self.settings(OPENID_SSO_SERVER_URL = abs_provider_url):
+        with self.settings(OPENID_SSO_SERVER_URL=abs_provider_url):
             url = reverse('openid-login')
             resp = self.client.post(url)
             code = 200
@@ -143,43 +145,43 @@ class OpenIdProviderTest(TestCase):
             self.assertContains(resp, '<input type="submit" value="Continue" />', html=True)
             # this should work on the server:
             self.assertContains(resp, '<input name="openid.realm" type="hidden" value="http://testserver/" />', html=True)
-            
+
             # not included here are elements that will vary from run to run:
             # <input name="openid.return_to" type="hidden" value="http://testserver/openid/complete/?janrain_nonce=2013-01-23T06%3A20%3A17ZaN7j6H" />
             # <input name="openid.assoc_handle" type="hidden" value="{HMAC-SHA1}{50ff8120}{rh87+Q==}" />
-            
-            
+
+
     def testOpenIdSetup(self):
         if not settings.MITX_FEATURES.get('AUTH_USE_OPENID_PROVIDER'):
             return
         url = reverse('openid-provider-login')
         post_args = {
-                     "openid.mode" : "checkid_setup",
-                     "openid.return_to" : "http://testserver/openid/complete/?janrain_nonce=2013-01-23T06%3A20%3A17ZaN7j6H",
-                     "openid.assoc_handle" : "{HMAC-SHA1}{50ff8120}{rh87+Q==}",
-                     "openid.claimed_id" : "http://specs.openid.net/auth/2.0/identifier_select",
-                     "openid.ns" : "http://specs.openid.net/auth/2.0",
-                     "openid.realm" : "http://testserver/",
-                     "openid.identity" : "http://specs.openid.net/auth/2.0/identifier_select",
-                     "openid.ns.ax" : "http://openid.net/srv/ax/1.0",
-                     "openid.ax.mode" : "fetch_request",
-                     "openid.ax.required" : "email,fullname,old_email,firstname,old_nickname,lastname,old_fullname,nickname",
-                     "openid.ax.type.fullname" : "http://axschema.org/namePerson",
-                     "openid.ax.type.lastname" : "http://axschema.org/namePerson/last",
-                     "openid.ax.type.firstname" : "http://axschema.org/namePerson/first",
-                     "openid.ax.type.nickname" : "http://axschema.org/namePerson/friendly",
-                     "openid.ax.type.email" : "http://axschema.org/contact/email",
-                     "openid.ax.type.old_email" : "http://schema.openid.net/contact/email",
-                     "openid.ax.type.old_nickname" : "http://schema.openid.net/namePerson/friendly",
-                     "openid.ax.type.old_fullname" : "http://schema.openid.net/namePerson",
+                     "openid.mode": "checkid_setup",
+                     "openid.return_to": "http://testserver/openid/complete/?janrain_nonce=2013-01-23T06%3A20%3A17ZaN7j6H",
+                     "openid.assoc_handle": "{HMAC-SHA1}{50ff8120}{rh87+Q==}",
+                     "openid.claimed_id": "http://specs.openid.net/auth/2.0/identifier_select",
+                     "openid.ns": "http://specs.openid.net/auth/2.0",
+                     "openid.realm": "http://testserver/",
+                     "openid.identity": "http://specs.openid.net/auth/2.0/identifier_select",
+                     "openid.ns.ax": "http://openid.net/srv/ax/1.0",
+                     "openid.ax.mode": "fetch_request",
+                     "openid.ax.required": "email,fullname,old_email,firstname,old_nickname,lastname,old_fullname,nickname",
+                     "openid.ax.type.fullname": "http://axschema.org/namePerson",
+                     "openid.ax.type.lastname": "http://axschema.org/namePerson/last",
+                     "openid.ax.type.firstname": "http://axschema.org/namePerson/first",
+                     "openid.ax.type.nickname": "http://axschema.org/namePerson/friendly",
+                     "openid.ax.type.email": "http://axschema.org/contact/email",
+                     "openid.ax.type.old_email": "http://schema.openid.net/contact/email",
+                     "openid.ax.type.old_nickname": "http://schema.openid.net/namePerson/friendly",
+                     "openid.ax.type.old_fullname": "http://schema.openid.net/namePerson",
                      }
         resp = self.client.post(url, post_args)
         code = 200
         self.assertEqual(resp.status_code, code,
                          "got code {0} for url '{1}'. Expected code {2}"
                          .format(resp.status_code, url, code))
-        
-            
+
+
 # In order for this absolute URL to work (i.e. to get xrds, then authentication)
 # in the test environment, we either need a live server that works with the default
 # fetcher (i.e. urlopen2), or a test server that is reached through a custom fetcher.
@@ -196,11 +198,11 @@ class OpenIdProviderLiveServerTest(LiveServerTestCase):
         provider_url = reverse('openid-provider-xrds')
         factory = RequestFactory()
         request = factory.request()
-        abs_provider_url = request.build_absolute_uri(location = provider_url)
+        abs_provider_url = request.build_absolute_uri(location=provider_url)
 
         # now we can begin the login process by invoking a local openid client,
         # with a pointer to the (also-local) openid provider:
-        with self.settings(OPENID_SSO_SERVER_URL = abs_provider_url):
+        with self.settings(OPENID_SSO_SERVER_URL=abs_provider_url):
             url = reverse('openid-login')
             resp = self.client.post(url)
             code = 200
diff --git a/common/djangoapps/external_auth/views.py b/common/djangoapps/external_auth/views.py
index d557b33e9c..effae923b3 100644
--- a/common/djangoapps/external_auth/views.py
+++ b/common/djangoapps/external_auth/views.py
@@ -215,7 +215,7 @@ def ssl_dn_extract_info(dn):
     else:
         return None
     return (user, email, fullname)
-    
+
 
 def ssl_get_cert_from_request(request):
     """
@@ -460,7 +460,7 @@ def provider_login(request):
                                     openid_request.answer(False), {})
 
         # checkid_setup, so display login page
-        # (by falling through to the provider_login at the 
+        # (by falling through to the provider_login at the
         # bottom of this method).
         elif openid_request.mode == 'checkid_setup':
             if openid_request.idSelect():
@@ -482,7 +482,7 @@ def provider_login(request):
 
     # handle login redirection:  these are also sent to this view function,
     # but are distinguished by lacking the openid mode.  We also know that
-    # they are posts, because they come from the popup 
+    # they are posts, because they come from the popup
     elif request.method == 'POST' and 'openid_setup' in request.session:
         # get OpenID request from session
         openid_setup = request.session['openid_setup']
@@ -495,7 +495,7 @@ def provider_login(request):
             return default_render_failure(request, "Invalid OpenID trust root")
 
         # check if user with given email exists
-        # Failure is redirected to this method (by using the original URL), 
+        # Failure is redirected to this method (by using the original URL),
         # which will bring up the login dialog.
         email = request.POST.get('email', None)
         try:
@@ -542,17 +542,17 @@ def provider_login(request):
             # missing fields is up to the Consumer. The proper change
             # should only return the username, however this will likely
             # break the CS50 client. Temporarily we will be returning
-            # username filling in for fullname in addition to username 
+            # username filling in for fullname in addition to username
             # as sreg nickname.
-            
-            # Note too that this is hardcoded, and not really responding to 
+
+            # Note too that this is hardcoded, and not really responding to
             # the extensions that were registered in the first place.
             results = {
                 'nickname': user.username,
                 'email': user.email,
                 'fullname': user.username
                 }
-            
+
             # the request succeeded:
             return provider_respond(server, openid_request, response, results)
 
diff --git a/common/djangoapps/mitxmako/makoloader.py b/common/djangoapps/mitxmako/makoloader.py
index 1379027e07..29184299b6 100644
--- a/common/djangoapps/mitxmako/makoloader.py
+++ b/common/djangoapps/mitxmako/makoloader.py
@@ -12,34 +12,35 @@ import mitxmako.middleware
 
 log = logging.getLogger(__name__)
 
+
 class MakoLoader(object):
     """
     This is a Django loader object which will load the template as a
     Mako template if the first line is "## mako". It is based off BaseLoader
     in django.template.loader.
     """
-    
+
     is_usable = False
 
     def __init__(self, base_loader):
         # base_loader is an instance of a BaseLoader subclass
         self.base_loader = base_loader
-        
+
         module_directory = getattr(settings, 'MAKO_MODULE_DIR', None)
-        
+
         if module_directory is None:
             log.warning("For more caching of mako templates, set the MAKO_MODULE_DIR in settings!")
             module_directory = tempfile.mkdtemp()
-        
+
         self.module_directory = module_directory
-        
-        
+
+
     def __call__(self, template_name, template_dirs=None):
         return self.load_template(template_name, template_dirs)
 
     def load_template(self, template_name, template_dirs=None):
         source, file_path = self.load_template_source(template_name, template_dirs)
-        
+
         if source.startswith("## mako\n"):
             # This is a mako template
             template = Template(filename=file_path, module_directory=self.module_directory, uri=template_name)
@@ -56,23 +57,24 @@ class MakoLoader(object):
                 # This allows for correct identification (later) of the actual template that does
                 # not exist.
                 return source, file_path
-    
+
     def load_template_source(self, template_name, template_dirs=None):
         # Just having this makes the template load as an instance, instead of a class.
         return self.base_loader.load_template_source(template_name, template_dirs)
 
     def reset(self):
         self.base_loader.reset()
-    
+
 
 class MakoFilesystemLoader(MakoLoader):
     is_usable = True
-    
+
     def __init__(self):
         MakoLoader.__init__(self, FilesystemLoader())
-        
+
+
 class MakoAppDirectoriesLoader(MakoLoader):
     is_usable = True
-    
+
     def __init__(self):
         MakoLoader.__init__(self, AppDirectoriesLoader())
diff --git a/common/djangoapps/mitxmako/template.py b/common/djangoapps/mitxmako/template.py
index 947dc8c1a4..6ef8058c7c 100644
--- a/common/djangoapps/mitxmako/template.py
+++ b/common/djangoapps/mitxmako/template.py
@@ -20,13 +20,15 @@ from mitxmako import middleware
 django_variables = ['lookup', 'output_encoding', 'encoding_errors']
 
 # TODO: We should make this a Django Template subclass that simply has the MakoTemplate inside of it? (Intead of inheriting from MakoTemplate)
+
+
 class Template(MakoTemplate):
     """
     This bridges the gap between a Mako template and a djano template. It can
     be rendered like it is a django template because the arguments are transformed
     in a way that MakoTemplate can understand.
     """
-    
+
     def __init__(self, *args, **kwargs):
         """Overrides base __init__ to provide django variable overrides"""
         if not kwargs.get('no_django', False):
@@ -34,8 +36,8 @@ class Template(MakoTemplate):
             overrides['lookup'] = overrides['lookup']['main']
             kwargs.update(overrides)
         super(Template, self).__init__(*args, **kwargs)
-    
-    
+
+
     def render(self, context_instance):
         """
         This takes a render call with a context (from Django) and translates
@@ -43,7 +45,7 @@ class Template(MakoTemplate):
         """
         # collapse context_instance to a single dictionary for mako
         context_dictionary = {}
-        
+
         # In various testing contexts, there might not be a current request context.
         if middleware.requestcontext is not None:
             for d in middleware.requestcontext:
@@ -53,5 +55,5 @@ class Template(MakoTemplate):
         context_dictionary['settings'] = settings
         context_dictionary['MITX_ROOT_URL'] = settings.MITX_ROOT_URL
         context_dictionary['django_context'] = context_instance
-                
+
         return super(Template, self).render_unicode(**context_dictionary)
diff --git a/common/djangoapps/mitxmako/templatetag_helpers.py b/common/djangoapps/mitxmako/templatetag_helpers.py
index e254625d3d..cd871a0fc5 100644
--- a/common/djangoapps/mitxmako/templatetag_helpers.py
+++ b/common/djangoapps/mitxmako/templatetag_helpers.py
@@ -2,14 +2,15 @@ from django.template import loader
 from django.template.base import Template, Context
 from django.template.loader import get_template, select_template
 
+
 def django_template_include(file_name, mako_context):
     """
     This can be used within a mako template to include a django template
     in the way that a django-style {% include %} does. Pass it context
     which can be the mako context ('context') or a dictionary.
     """
-    
-    dictionary = dict( mako_context )
+
+    dictionary = dict(mako_context)
     return loader.render_to_string(file_name, dictionary=dictionary)
 
 
@@ -18,7 +19,7 @@ def render_inclusion(func, file_name, takes_context, django_context, *args, **kw
     This allows a mako template to call a template tag function (written
     for django templates) that is an "inclusion tag". These functions are
     decorated with @register.inclusion_tag.
-    
+
     -func: This is the function that is registered as an inclusion tag.
     You must import it directly using a python import statement.
     -file_name: This is the filename of the template, passed into the
@@ -29,10 +30,10 @@ def render_inclusion(func, file_name, takes_context, django_context, *args, **kw
     a copy of the django context is available as 'django_context'.
     -*args and **kwargs are the arguments to func.
     """
-    
+
     if takes_context:
         args = [django_context] + list(args)
-    
+
     _dict = func(*args, **kwargs)
     if isinstance(file_name, Template):
         t = file_name
@@ -40,14 +41,12 @@ def render_inclusion(func, file_name, takes_context, django_context, *args, **kw
         t = select_template(file_name)
     else:
         t = get_template(file_name)
-        
+
     nodelist = t.nodelist
-    
+
     new_context = Context(_dict)
     csrf_token = django_context.get('csrf_token', None)
     if csrf_token is not None:
         new_context['csrf_token'] = csrf_token
-    
-    return nodelist.render(new_context)
-    
 
+    return nodelist.render(new_context)
diff --git a/common/djangoapps/static_replace/__init__.py b/common/djangoapps/static_replace/__init__.py
index cfef798bdf..fb1f48d143 100644
--- a/common/djangoapps/static_replace/__init__.py
+++ b/common/djangoapps/static_replace/__init__.py
@@ -13,14 +13,21 @@ log = logging.getLogger(__name__)
 
 
 def _url_replace_regex(prefix):
+    """
+    Match static urls in quotes that don't end in '?raw'.
+
+    To anyone contemplating making this more complicated:
+    http://xkcd.com/1171/
+    """
     return r"""
-        (?x)                 # flags=re.VERBOSE
-        (?P<quote>\\?['"])   # the opening quotes
-        (?P<prefix>{prefix}) # theeprefix
-        (?P<rest>.*?)        # everything else in the url
-        (?P=quote)           # the first matching closing quote
+        (?x)                      # flags=re.VERBOSE
+        (?P<quote>\\?['"])        # the opening quotes
+        (?P<prefix>{prefix})      # the prefix
+        (?P<rest>.*?)             # everything else in the url
+        (?P=quote)                # the first matching closing quote
         """.format(prefix=prefix)
 
+
 def try_staticfiles_lookup(path):
     """
     Try to lookup a path in staticfiles_storage.  If it fails, return
@@ -73,21 +80,30 @@ def replace_static_urls(text, data_directory, course_namespace=None):
         quote = match.group('quote')
         rest = match.group('rest')
 
+        # Don't mess with things that end in '?raw'
+        if rest.endswith('?raw'):
+            return original
+
         # course_namespace is not None, then use studio style urls
         if course_namespace is not None and not isinstance(modulestore(), XMLModuleStore):
             url = StaticContent.convert_legacy_static_url(rest, course_namespace)
-        # If we're in debug mode, and the file as requested exists, then don't change the links
-        elif (settings.DEBUG and finders.find(rest, True)):
+        # In debug mode, if we can find the url as is,
+        elif settings.DEBUG and finders.find(rest, True):
             return original
-        # Otherwise, look the file up in staticfiles_storage without the data directory
+        # Otherwise, look the file up in staticfiles_storage, and append the data directory if needed
         else:
+            course_path = "/".join((data_directory, rest))
+
             try:
-                url = staticfiles_storage.url(rest)
+                if staticfiles_storage.exists(rest):
+                    url = staticfiles_storage.url(rest)
+                else:
+                    url = staticfiles_storage.url(course_path)
             # And if that fails, assume that it's course content, and add manually data directory
             except Exception as err:
                 log.warning("staticfiles_storage couldn't find path {0}: {1}".format(
                     rest, str(err)))
-                url = "".join([prefix, data_directory, '/', rest])
+                url = "".join([prefix, course_path])
 
         return "".join([quote, url, quote])
 
diff --git a/common/djangoapps/static_replace/test/test_static_replace.py b/common/djangoapps/static_replace/test/test_static_replace.py
index e08c66c59f..f23610e1bd 100644
--- a/common/djangoapps/static_replace/test/test_static_replace.py
+++ b/common/djangoapps/static_replace/test/test_static_replace.py
@@ -1,5 +1,8 @@
-from nose.tools import assert_equals
-from static_replace import replace_static_urls, replace_course_urls
+import re
+
+from nose.tools import assert_equals, assert_true, assert_false
+from static_replace import (replace_static_urls, replace_course_urls,
+                            _url_replace_regex)
 from mock import patch, Mock
 from xmodule.modulestore import Location
 from xmodule.modulestore.mongo import MongoModuleStore
@@ -24,15 +27,24 @@ def test_multi_replace():
     )
 
 
-@patch('static_replace.finders')
-@patch('static_replace.settings')
-def test_debug_no_modify(mock_settings, mock_finders):
-    mock_settings.DEBUG = True
-    mock_finders.find.return_value = True
+@patch('static_replace.staticfiles_storage')
+def test_storage_url_exists(mock_storage):
+    mock_storage.exists.return_value = True
+    mock_storage.url.return_value = '/static/file.png'
 
-    assert_equals(STATIC_SOURCE, replace_static_urls(STATIC_SOURCE, DATA_DIRECTORY))
+    assert_equals('"/static/file.png"', replace_static_urls(STATIC_SOURCE, DATA_DIRECTORY))
+    mock_storage.exists.called_once_with('file.png')
+    mock_storage.url.called_once_with('data_dir/file.png')
 
-    mock_finders.find.assert_called_once_with('file.png', True)
+
+@patch('static_replace.staticfiles_storage')
+def test_storage_url_not_exists(mock_storage):
+    mock_storage.exists.return_value = False
+    mock_storage.url.return_value = '/static/data_dir/file.png'
+
+    assert_equals('"/static/data_dir/file.png"', replace_static_urls(STATIC_SOURCE, DATA_DIRECTORY))
+    mock_storage.exists.called_once_with('file.png')
+    mock_storage.url.called_once_with('file.png')
 
 
 @patch('static_replace.StaticContent')
@@ -53,12 +65,47 @@ def test_mongo_filestore(mock_modulestore, mock_static_content):
 
     mock_static_content.convert_legacy_static_url.assert_called_once_with('file.png', NAMESPACE)
 
+
 @patch('static_replace.settings')
 @patch('static_replace.modulestore')
 @patch('static_replace.staticfiles_storage')
 def test_data_dir_fallback(mock_storage, mock_modulestore, mock_settings):
     mock_modulestore.return_value = Mock(XMLModuleStore)
-    mock_settings.DEBUG = False
     mock_storage.url.side_effect = Exception
 
+    mock_storage.exists.return_value = True
     assert_equals('"/static/data_dir/file.png"', replace_static_urls(STATIC_SOURCE, DATA_DIRECTORY))
+
+    mock_storage.exists.return_value = False
+    assert_equals('"/static/data_dir/file.png"', replace_static_urls(STATIC_SOURCE, DATA_DIRECTORY))
+
+
+def test_raw_static_check():
+    """
+    Make sure replace_static_urls leaves alone things that end in '.raw'
+    """
+    path = '"/static/foo.png?raw"'
+    assert_equals(path, replace_static_urls(path, DATA_DIRECTORY))
+
+    text = 'text <tag a="/static/js/capa/protex/protex.nocache.js?raw"/><div class="'
+    assert_equals(path, replace_static_urls(path, text))
+
+
+def test_regex():
+    yes = ('"/static/foo.png"',
+           '"/static/foo.png"',
+           "'/static/foo.png'")
+
+    no = ('"/not-static/foo.png"',
+          '"/static/foo',  # no matching quote
+          )
+
+    regex = _url_replace_regex('/static/')
+
+    for s in yes:
+        print 'Should match: {0!r}'.format(s)
+        assert_true(re.match(regex, s))
+
+    for s in no:
+        print 'Should not match: {0!r}'.format(s)
+        assert_false(re.match(regex, s))
diff --git a/common/djangoapps/status/__init__.py b/common/djangoapps/status/__init__.py
index 8b13789179..e69de29bb2 100644
--- a/common/djangoapps/status/__init__.py
+++ b/common/djangoapps/status/__init__.py
@@ -1 +0,0 @@
-
diff --git a/common/djangoapps/status/status.py b/common/djangoapps/status/status.py
index c06a70f5a1..deacd9c631 100644
--- a/common/djangoapps/status/status.py
+++ b/common/djangoapps/status/status.py
@@ -10,6 +10,7 @@ import sys
 
 log = logging.getLogger(__name__)
 
+
 def get_site_status_msg(course_id):
     """
     Look for a file settings.STATUS_MESSAGE_PATH.  If found, read it,
diff --git a/common/djangoapps/status/tests.py b/common/djangoapps/status/tests.py
index 98a36f433a..1695663ac5 100644
--- a/common/djangoapps/status/tests.py
+++ b/common/djangoapps/status/tests.py
@@ -1,7 +1,7 @@
 from django.conf import settings
 from django.test import TestCase
 import os
-from override_settings import override_settings
+from django.test.utils import override_settings
 from tempfile import NamedTemporaryFile
 
 from status import get_site_status_msg
diff --git a/common/djangoapps/student/management/commands/6002exportusers.py b/common/djangoapps/student/management/commands/6002exportusers.py
index fcf565fb83..31d8092d3f 100644
--- a/common/djangoapps/student/management/commands/6002exportusers.py
+++ b/common/djangoapps/student/management/commands/6002exportusers.py
@@ -57,7 +57,7 @@ from student.userprofile. '''
                 d[key] = item
             return d
 
-        extracted = [{'up':extract_dict(up_keys, t[0]), 'u':extract_dict(user_keys, t[1])} for t in user_tuples]
+        extracted = [{'up': extract_dict(up_keys, t[0]), 'u':extract_dict(user_keys, t[1])} for t in user_tuples]
         fp = open('transfer_users.txt', 'w')
         json.dump(extracted, fp)
         fp.close()
diff --git a/common/djangoapps/student/management/commands/add_to_group.py b/common/djangoapps/student/management/commands/add_to_group.py
index 209d25da85..bdbb4027f7 100644
--- a/common/djangoapps/student/management/commands/add_to_group.py
+++ b/common/djangoapps/student/management/commands/add_to_group.py
@@ -3,6 +3,7 @@ from optparse import make_option
 from django.core.management.base import BaseCommand, CommandError
 from django.contrib.auth.models import User, Group
 
+
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
         make_option('--list',
diff --git a/common/djangoapps/student/management/commands/create_random_users.py b/common/djangoapps/student/management/commands/create_random_users.py
index c6cf452a43..70374d02f2 100644
--- a/common/djangoapps/student/management/commands/create_random_users.py
+++ b/common/djangoapps/student/management/commands/create_random_users.py
@@ -8,6 +8,7 @@ from student.models import UserProfile, CourseEnrollment
 
 from student.views import _do_create_account, get_random_post_override
 
+
 def create(n, course_id):
     """Create n users, enrolling them in course_id if it's not None"""
     for i in range(n):
@@ -15,6 +16,7 @@ def create(n, course_id):
         if course_id is not None:
             CourseEnrollment.objects.create(user=user, course_id=course_id)
 
+
 class Command(BaseCommand):
     help = """Create N new users, with random parameters.
 
diff --git a/common/djangoapps/student/management/commands/pearson_dump.py b/common/djangoapps/student/management/commands/pearson_dump.py
index 228508efb1..2aade8cf5f 100644
--- a/common/djangoapps/student/management/commands/pearson_dump.py
+++ b/common/djangoapps/student/management/commands/pearson_dump.py
@@ -36,7 +36,7 @@ class Command(BaseCommand):
             outputfile = datetime.utcnow().strftime("pearson-dump-%Y%m%d-%H%M%S.json")
         else:
             outputfile = args[0]
-        
+
         # construct the query object to dump:
         registrations = TestCenterRegistration.objects.all()
         if 'course_id' in options and options['course_id']:
@@ -44,24 +44,24 @@ class Command(BaseCommand):
         if 'exam_series_code' in options and options['exam_series_code']:
             registrations = registrations.filter(exam_series_code=options['exam_series_code'])
 
-        # collect output:        
+        # collect output:
         output = []
         for registration in registrations:
             if 'accommodation_pending' in options and options['accommodation_pending'] and not registration.accommodation_is_pending:
                 continue
-            record = {'username' : registration.testcenter_user.user.username,
-                      'email' : registration.testcenter_user.email,
-                      'first_name' : registration.testcenter_user.first_name,
-                      'last_name' : registration.testcenter_user.last_name,
-                      'client_candidate_id' : registration.client_candidate_id,
-                      'client_authorization_id' : registration.client_authorization_id,
-                      'course_id' : registration.course_id,
-                      'exam_series_code' : registration.exam_series_code,
-                      'accommodation_request' : registration.accommodation_request,
-                      'accommodation_code' : registration.accommodation_code,
-                      'registration_status' : registration.registration_status(),
-                      'demographics_status' : registration.demographics_status(),
-                      'accommodation_status' : registration.accommodation_status(),
+            record = {'username': registration.testcenter_user.user.username,
+                      'email': registration.testcenter_user.email,
+                      'first_name': registration.testcenter_user.first_name,
+                      'last_name': registration.testcenter_user.last_name,
+                      'client_candidate_id': registration.client_candidate_id,
+                      'client_authorization_id': registration.client_authorization_id,
+                      'course_id': registration.course_id,
+                      'exam_series_code': registration.exam_series_code,
+                      'accommodation_request': registration.accommodation_request,
+                      'accommodation_code': registration.accommodation_code,
+                      'registration_status': registration.registration_status(),
+                      'demographics_status': registration.demographics_status(),
+                      'accommodation_status': registration.accommodation_status(),
                       }
             if len(registration.upload_error_message) > 0:
                 record['registration_error'] = registration.upload_error_message
@@ -71,8 +71,7 @@ class Command(BaseCommand):
                 record['needs_uploading'] = True
 
             output.append(record)
-            
+
         # dump output:
         with open(outputfile, 'w') as outfile:
             dump(output, outfile, indent=2)
-
diff --git a/common/djangoapps/student/management/commands/pearson_export_cdd.py b/common/djangoapps/student/management/commands/pearson_export_cdd.py
index 463eec6b70..bad98b9d25 100644
--- a/common/djangoapps/student/management/commands/pearson_export_cdd.py
+++ b/common/djangoapps/student/management/commands/pearson_export_cdd.py
@@ -39,7 +39,7 @@ class Command(BaseCommand):
         ("LastUpdate", "user_updated_at"),  # in UTC, so same as what we store
     ])
 
-    # define defaults, even thought 'store_true' shouldn't need them.  
+    # define defaults, even thought 'store_true' shouldn't need them.
     # (call_command will set None as default value for all options that don't have one,
     # so one cannot rely on presence/absence of flags in that world.)
     option_list = BaseCommand.option_list + (
@@ -56,7 +56,7 @@ class Command(BaseCommand):
     )
 
     def handle(self, **options):
-        # update time should use UTC in order to be comparable to the user_updated_at 
+        # update time should use UTC in order to be comparable to the user_updated_at
         # field
         uploaded_at = datetime.utcnow()
 
@@ -100,7 +100,7 @@ class Command(BaseCommand):
                                     extrasaction='ignore')
             writer.writeheader()
             for tcu in TestCenterUser.objects.order_by('id'):
-                if tcu.needs_uploading: # or dump_all
+                if tcu.needs_uploading:   # or dump_all
                     record = dict((csv_field, ensure_encoding(getattr(tcu, model_field)))
                                   for csv_field, model_field
                                   in Command.CSV_TO_MODEL_FIELDS.items())
diff --git a/common/djangoapps/student/management/commands/pearson_import_conf_zip.py b/common/djangoapps/student/management/commands/pearson_import_conf_zip.py
index d94c3ba863..d0b2938df0 100644
--- a/common/djangoapps/student/management/commands/pearson_import_conf_zip.py
+++ b/common/djangoapps/student/management/commands/pearson_import_conf_zip.py
@@ -116,4 +116,3 @@ class Command(BaseCommand):
                     tcuser.save()
                 except TestCenterUser.DoesNotExist:
                     Command.datadog_error(" Failed to find record for client_candidate_id {}".format(client_candidate_id), vcdcfile.name)
-
diff --git a/common/djangoapps/student/management/commands/pearson_make_tc_registration.py b/common/djangoapps/student/management/commands/pearson_make_tc_registration.py
index b59241240d..b10cf143a0 100644
--- a/common/djangoapps/student/management/commands/pearson_make_tc_registration.py
+++ b/common/djangoapps/student/management/commands/pearson_make_tc_registration.py
@@ -9,6 +9,7 @@ from student.views import course_from_id
 from xmodule.course_module import CourseDescriptor
 from xmodule.modulestore.exceptions import ItemNotFoundError
 
+
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
         # registration info:
@@ -16,23 +17,23 @@ class Command(BaseCommand):
             '--accommodation_request',
             action='store',
             dest='accommodation_request',
-        ),        
+        ),
         make_option(
             '--accommodation_code',
             action='store',
             dest='accommodation_code',
-        ),        
+        ),
         make_option(
             '--client_authorization_id',
             action='store',
             dest='client_authorization_id',
-        ),        
-        # exam info:     
+        ),
+        # exam info:
         make_option(
             '--exam_series_code',
             action='store',
             dest='exam_series_code',
-        ),        
+        ),
         make_option(
             '--eligibility_appointment_date_first',
             action='store',
@@ -51,32 +52,32 @@ class Command(BaseCommand):
             action='store',
             dest='authorization_id',
             help='ID we receive from Pearson for a particular authorization'
-        ),   
+        ),
         make_option(
             '--upload_status',
             action='store',
             dest='upload_status',
             help='status value assigned by Pearson'
-        ),   
+        ),
         make_option(
             '--upload_error_message',
             action='store',
             dest='upload_error_message',
             help='error message provided by Pearson on a failure.'
-        ),   
+        ),
         # control values:
         make_option(
             '--ignore_registration_dates',
             action='store_true',
             dest='ignore_registration_dates',
             help='find exam info for course based on exam_series_code, even if the exam is not active.'
-        ),   
+        ),
         make_option(
             '--create_dummy_exam',
             action='store_true',
             dest='create_dummy_exam',
             help='create dummy exam info for course, even if course exists'
-        ),   
+        ),
     )
     args = "<student_username course_id>"
     help = "Create or modify a TestCenterRegistration entry for a given Student"
@@ -103,7 +104,7 @@ class Command(BaseCommand):
             testcenter_user = TestCenterUser.objects.get(user=student)
         except TestCenterUser.DoesNotExist:
             raise CommandError("User \"{}\" does not have an existing demographics record".format(username))
-            
+
         # get an "exam" object.  Check to see if a course_id was specified, and use information from that:
         exam = None
         create_dummy_exam = 'create_dummy_exam' in our_options and our_options['create_dummy_exam']
@@ -115,14 +116,14 @@ class Command(BaseCommand):
                     exam = examlist[0] if len(examlist) > 0 else None
                 else:
                     exam = course.current_test_center_exam
-            except ItemNotFoundError: 
+            except ItemNotFoundError:
                 pass
         else:
-            # otherwise use explicit values (so we don't have to define a course):    
+            # otherwise use explicit values (so we don't have to define a course):
             exam_name = "Dummy Placeholder Name"
-            exam_info = { 'Exam_Series_Code': our_options['exam_series_code'],
-                          'First_Eligible_Appointment_Date' : our_options['eligibility_appointment_date_first'],
-                          'Last_Eligible_Appointment_Date' : our_options['eligibility_appointment_date_last'],
+            exam_info = {'Exam_Series_Code': our_options['exam_series_code'],
+                          'First_Eligible_Appointment_Date': our_options['eligibility_appointment_date_first'],
+                          'Last_Eligible_Appointment_Date': our_options['eligibility_appointment_date_last'],
                           }
             exam = CourseDescriptor.TestCenterExam(course_id, exam_name, exam_info)
             # update option values for date_first and date_last to use YYYY-MM-DD format
@@ -134,15 +135,15 @@ class Command(BaseCommand):
             raise CommandError("Exam for course_id {} does not exist".format(course_id))
 
         exam_code = exam.exam_series_code
-            
-        UPDATE_FIELDS = ( 'accommodation_request',
+
+        UPDATE_FIELDS = ('accommodation_request',
                           'accommodation_code',
                           'client_authorization_id',
                           'exam_series_code',
                           'eligibility_appointment_date_first',
                           'eligibility_appointment_date_last',
                           )
-        
+
         # create and save the registration:
         needs_updating = False
         registrations = get_testcenter_registration(student, course_id, exam_code)
@@ -152,29 +153,29 @@ class Command(BaseCommand):
                 if fieldname in our_options and registration.__getattribute__(fieldname) != our_options[fieldname]:
                     needs_updating = True;
         else:
-            accommodation_request = our_options.get('accommodation_request','')
+            accommodation_request = our_options.get('accommodation_request', '')
             registration = TestCenterRegistration.create(testcenter_user, exam, accommodation_request)
             needs_updating = True
 
-            
+
         if needs_updating:
             # first update the record with the new values, if any:
             for fieldname in UPDATE_FIELDS:
-                if fieldname in our_options and fieldname not in TestCenterRegistrationForm.Meta.fields: 
+                if fieldname in our_options and fieldname not in TestCenterRegistrationForm.Meta.fields:
                     registration.__setattr__(fieldname, our_options[fieldname])
-            
-            # the registration form normally populates the data dict with 
+
+            # the registration form normally populates the data dict with
             # the accommodation request (if any).  But here we want to
             # specify only those values that might change, so update the dict with existing
             # values.
             form_options = dict(our_options)
             for propname in TestCenterRegistrationForm.Meta.fields:
-                if propname not in form_options: 
+                if propname not in form_options:
                     form_options[propname] = registration.__getattribute__(propname)
             form = TestCenterRegistrationForm(instance=registration, data=form_options)
             if form.is_valid():
                 form.update_and_save()
-                print "Updated registration information for user's registration: username \"{}\" course \"{}\", examcode \"{}\"".format(student.username, course_id, exam_code) 
+                print "Updated registration information for user's registration: username \"{}\" course \"{}\", examcode \"{}\"".format(student.username, course_id, exam_code)
             else:
                 if (len(form.errors) > 0):
                     print "Field Form errors encountered:"
@@ -185,24 +186,22 @@ class Command(BaseCommand):
                         print "Non-field Form errors encountered:"
                         for nonfielderror in form.non_field_errors:
                             print "Non-field Form Error:  %s" % nonfielderror
-                    
+
         else:
             print "No changes necessary to make to existing user's registration."
-            
+
         # override internal values:
         change_internal = False
         if 'exam_series_code' in our_options:
             exam_code = our_options['exam_series_code']
         registration = get_testcenter_registration(student, course_id, exam_code)[0]
-        for internal_field in [ 'upload_error_message', 'upload_status', 'authorization_id']:
+        for internal_field in ['upload_error_message', 'upload_status', 'authorization_id']:
             if internal_field in our_options:
                 registration.__setattr__(internal_field, our_options[internal_field])
                 change_internal = True
-                
+
         if change_internal:
             print "Updated  confirmation information in existing user's registration."
             registration.save()
         else:
             print "No changes necessary to make to confirmation information in existing user's registration."
-        
-            
diff --git a/common/djangoapps/student/management/commands/pearson_make_tc_user.py b/common/djangoapps/student/management/commands/pearson_make_tc_user.py
index 87e0b4dadd..10ef0bd067 100644
--- a/common/djangoapps/student/management/commands/pearson_make_tc_user.py
+++ b/common/djangoapps/student/management/commands/pearson_make_tc_user.py
@@ -5,60 +5,61 @@ from django.core.management.base import BaseCommand, CommandError
 
 from student.models import TestCenterUser, TestCenterUserForm
 
+
 class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
-        # demographics:     
+        # demographics:
         make_option(
             '--first_name',
             action='store',
             dest='first_name',
-        ),        
+        ),
         make_option(
             '--middle_name',
             action='store',
             dest='middle_name',
-        ),        
+        ),
         make_option(
             '--last_name',
             action='store',
             dest='last_name',
-        ),        
+        ),
         make_option(
             '--suffix',
             action='store',
             dest='suffix',
-        ),        
+        ),
         make_option(
             '--salutation',
             action='store',
             dest='salutation',
-        ),        
+        ),
         make_option(
             '--address_1',
             action='store',
             dest='address_1',
-        ),        
+        ),
         make_option(
             '--address_2',
             action='store',
             dest='address_2',
-        ),        
+        ),
         make_option(
             '--address_3',
             action='store',
             dest='address_3',
-        ),        
+        ),
         make_option(
             '--city',
             action='store',
             dest='city',
-        ),        
+        ),
         make_option(
             '--state',
             action='store',
             dest='state',
             help='Two letter code (e.g. MA)'
-        ),        
+        ),
         make_option(
             '--postal_code',
             action='store',
@@ -75,12 +76,12 @@ class Command(BaseCommand):
             action='store',
             dest='phone',
             help='Pretty free-form (parens, spaces, dashes), but no country code'
-        ),        
+        ),
         make_option(
             '--extension',
             action='store',
             dest='extension',
-        ),        
+        ),
         make_option(
             '--phone_country_code',
             action='store',
@@ -92,7 +93,7 @@ class Command(BaseCommand):
             action='store',
             dest='fax',
             help='Pretty free-form (parens, spaces, dashes), but no country code'
-        ),        
+        ),
         make_option(
             '--fax_country_code',
             action='store',
@@ -103,26 +104,26 @@ class Command(BaseCommand):
             '--company_name',
             action='store',
             dest='company_name',
-        ),        
+        ),
         # internal values:
         make_option(
             '--client_candidate_id',
             action='store',
             dest='client_candidate_id',
             help='ID we assign a user to identify them to Pearson'
-        ),   
+        ),
         make_option(
             '--upload_status',
             action='store',
             dest='upload_status',
             help='status value assigned by Pearson'
-        ),   
+        ),
         make_option(
             '--upload_error_message',
             action='store',
             dest='upload_error_message',
             help='error message provided by Pearson on a failure.'
-        ),   
+        ),
     )
     args = "<student_username>"
     help = "Create or modify a TestCenterUser entry for a given Student"
@@ -142,20 +143,20 @@ class Command(BaseCommand):
         student = User.objects.get(username=username)
         try:
             testcenter_user = TestCenterUser.objects.get(user=student)
-            needs_updating = testcenter_user.needs_update(our_options)    
+            needs_updating = testcenter_user.needs_update(our_options)
         except TestCenterUser.DoesNotExist:
             # do additional initialization here:
             testcenter_user = TestCenterUser.create(student)
             needs_updating = True
-        
+
         if needs_updating:
-            # the registration form normally populates the data dict with 
+            # the registration form normally populates the data dict with
             # all values from the testcenter_user.  But here we only want to
             # specify those values that change, so update the dict with existing
             # values.
             form_options = dict(our_options)
             for propname in TestCenterUser.user_provided_fields():
-                if propname not in form_options: 
+                if propname not in form_options:
                     form_options[propname] = testcenter_user.__getattribute__(propname)
             form = TestCenterUserForm(instance=testcenter_user, data=form_options)
             if form.is_valid():
@@ -170,21 +171,20 @@ class Command(BaseCommand):
                     errorlist.append("Non-field Form errors encountered:")
                     for nonfielderror in form.non_field_errors:
                         errorlist.append("Non-field Form Error:  {}".format(nonfielderror))
-                raise CommandError("\n".join(errorlist))    
+                raise CommandError("\n".join(errorlist))
         else:
             print "No changes necessary to make to existing user's demographics."
-            
+
         # override internal values:
         change_internal = False
         testcenter_user = TestCenterUser.objects.get(user=student)
-        for internal_field in [ 'upload_error_message', 'upload_status', 'client_candidate_id']:
+        for internal_field in ['upload_error_message', 'upload_status', 'client_candidate_id']:
             if internal_field in our_options:
                 testcenter_user.__setattr__(internal_field, our_options[internal_field])
                 change_internal = True
-                
+
         if change_internal:
             testcenter_user.save()
             print "Updated  confirmation information in existing user's demographics."
         else:
             print "No changes necessary to make to confirmation information in existing user's demographics."
-            
diff --git a/common/djangoapps/student/management/commands/pearson_transfer.py b/common/djangoapps/student/management/commands/pearson_transfer.py
index 6811e1833d..5eded6484a 100644
--- a/common/djangoapps/student/management/commands/pearson_transfer.py
+++ b/common/djangoapps/student/management/commands/pearson_transfer.py
@@ -46,10 +46,10 @@ class Command(BaseCommand):
             if not hasattr(settings, value):
                 raise CommandError('No entry in the AWS settings'
                                    '(env/auth.json) for {0}'.format(value))
-                
+
         # check additional required settings for import and export:
         if options['mode'] in ('export', 'both'):
-            for value in ['LOCAL_EXPORT','SFTP_EXPORT']: 
+            for value in ['LOCAL_EXPORT', 'SFTP_EXPORT']:
                 if value not in settings.PEARSON:
                     raise CommandError('No entry in the PEARSON settings'
                                        '(env/auth.json) for {0}'.format(value))
@@ -57,9 +57,9 @@ class Command(BaseCommand):
             source_dir = settings.PEARSON['LOCAL_EXPORT']
             if not os.path.isdir(source_dir):
                 os.makedirs(source_dir)
-                    
+
         if options['mode'] in ('import', 'both'):
-            for value in ['LOCAL_IMPORT','SFTP_IMPORT']: 
+            for value in ['LOCAL_IMPORT', 'SFTP_IMPORT']:
                 if value not in settings.PEARSON:
                     raise CommandError('No entry in the PEARSON settings'
                                        '(env/auth.json) for {0}'.format(value))
@@ -76,7 +76,7 @@ class Command(BaseCommand):
                     t.connect(username=settings.PEARSON['SFTP_USERNAME'],
                               password=settings.PEARSON['SFTP_PASSWORD'])
                     sftp = paramiko.SFTPClient.from_transport(t)
-                    
+
                     if mode == 'export':
                         try:
                             sftp.chdir(files_to)
@@ -92,7 +92,7 @@ class Command(BaseCommand):
                         except IOError:
                             raise CommandError('SFTP source path does not exist: {}'.format(files_from))
                         for filename in sftp.listdir('.'):
-                            # skip subdirectories 
+                            # skip subdirectories
                             if not S_ISDIR(sftp.stat(filename).st_mode):
                                 sftp.get(filename, files_to + '/' + filename)
                                 # delete files from sftp server once they are successfully pulled off:
@@ -112,7 +112,7 @@ class Command(BaseCommand):
                 try:
                     for filename in os.listdir(files_from):
                         source_file = os.path.join(files_from, filename)
-                        # use mode as name of directory into which to write files 
+                        # use mode as name of directory into which to write files
                         dest_file = os.path.join(mode, filename)
                         upload_file_to_s3(bucket, source_file, dest_file)
                         if deleteAfterCopy:
@@ -135,17 +135,17 @@ class Command(BaseCommand):
             k.set_contents_from_filename(source_file)
 
         def export_pearson():
-            options = { 'dest-from-settings' : True }
+            options = {'dest-from-settings': True}
             call_command('pearson_export_cdd', **options)
             call_command('pearson_export_ead', **options)
             mode = 'export'
-            sftp(settings.PEARSON['LOCAL_EXPORT'], settings.PEARSON['SFTP_EXPORT'], mode, deleteAfterCopy = False)
+            sftp(settings.PEARSON['LOCAL_EXPORT'], settings.PEARSON['SFTP_EXPORT'], mode, deleteAfterCopy=False)
             s3(settings.PEARSON['LOCAL_EXPORT'], settings.PEARSON['S3_BUCKET'], mode, deleteAfterCopy=True)
 
         def import_pearson():
             mode = 'import'
             try:
-                sftp(settings.PEARSON['SFTP_IMPORT'], settings.PEARSON['LOCAL_IMPORT'], mode, deleteAfterCopy = True)
+                sftp(settings.PEARSON['SFTP_IMPORT'], settings.PEARSON['LOCAL_IMPORT'], mode, deleteAfterCopy=True)
                 s3(settings.PEARSON['LOCAL_IMPORT'], settings.PEARSON['S3_BUCKET'], mode, deleteAfterCopy=False)
             except Exception as e:
                 dog_http_api.event('Pearson Import failure', str(e))
diff --git a/common/djangoapps/student/management/commands/tests/test_pearson.py b/common/djangoapps/student/management/commands/tests/test_pearson.py
index 2f4878a09d..12969405de 100644
--- a/common/djangoapps/student/management/commands/tests/test_pearson.py
+++ b/common/djangoapps/student/management/commands/tests/test_pearson.py
@@ -17,30 +17,31 @@ from student.models import User, TestCenterRegistration, TestCenterUser, get_tes
 
 log = logging.getLogger(__name__)
 
+
 def create_tc_user(username):
     user = User.objects.create_user(username, '{}@edx.org'.format(username), 'fakepass')
     options = {
-                   'first_name' : 'TestFirst',
-                   'last_name' : 'TestLast',
-                   'address_1' : 'Test Address',
-                   'city' : 'TestCity',
-                   'state' : 'Alberta',
-                   'postal_code' : 'A0B 1C2',
-                   'country' : 'CAN',
-                   'phone' : '252-1866',
-                   'phone_country_code' : '1',
+                   'first_name': 'TestFirst',
+                   'last_name': 'TestLast',
+                   'address_1': 'Test Address',
+                   'city': 'TestCity',
+                   'state': 'Alberta',
+                   'postal_code': 'A0B 1C2',
+                   'country': 'CAN',
+                   'phone': '252-1866',
+                   'phone_country_code': '1',
                     }
     call_command('pearson_make_tc_user', username, **options)
     return TestCenterUser.objects.get(user=user)
-    
-    
-def create_tc_registration(username, course_id = 'org1/course1/term1', exam_code = 'exam1', accommodation_code = None):
-    
-    options = { 'exam_series_code' : exam_code,
-               'eligibility_appointment_date_first' : '2013-01-01T00:00',
-               'eligibility_appointment_date_last' : '2013-12-31T23:59',
-               'accommodation_code' : accommodation_code, 
-               'create_dummy_exam' : True,
+
+
+def create_tc_registration(username, course_id='org1/course1/term1', exam_code='exam1', accommodation_code=None):
+
+    options = {'exam_series_code': exam_code,
+               'eligibility_appointment_date_first': '2013-01-01T00:00',
+               'eligibility_appointment_date_last': '2013-12-31T23:59',
+               'accommodation_code': accommodation_code,
+               'create_dummy_exam': True,
                }
 
     call_command('pearson_make_tc_registration', username, course_id, **options)
@@ -48,21 +49,23 @@ def create_tc_registration(username, course_id = 'org1/course1/term1', exam_code
     registrations = get_testcenter_registration(user, course_id, exam_code)
     return registrations[0]
 
+
 def create_multiple_registrations(prefix='test'):
     username1 = '{}_multiple1'.format(prefix)
     create_tc_user(username1)
     create_tc_registration(username1)
-    create_tc_registration(username1, course_id = 'org1/course2/term1')
-    create_tc_registration(username1, exam_code = 'exam2')
+    create_tc_registration(username1, course_id='org1/course2/term1')
+    create_tc_registration(username1, exam_code='exam2')
     username2 = '{}_multiple2'.format(prefix)
     create_tc_user(username2)
     create_tc_registration(username2)
     username3 = '{}_multiple3'.format(prefix)
     create_tc_user(username3)
-    create_tc_registration(username3, course_id = 'org1/course2/term1')
+    create_tc_registration(username3, course_id='org1/course2/term1')
     username4 = '{}_multiple4'.format(prefix)
     create_tc_user(username4)
-    create_tc_registration(username4, exam_code = 'exam2')
+    create_tc_registration(username4, exam_code='exam2')
+
 
 def get_command_error_text(*args, **options):
     stderr_string = None
@@ -75,21 +78,22 @@ def get_command_error_text(*args, **options):
         # But these are actually translated into nice messages,
         # and sys.exit(1) is then called.  For testing, we
         # want to catch what sys.exit throws, and get the
-        # relevant text either from stdout or stderr. 
+        # relevant text either from stdout or stderr.
         if (why1.message > 0):
             stderr_string = sys.stderr.getvalue()
         else:
             raise why1
     except Exception, why:
         raise why
-    
+
     finally:
         sys.stderr = old_stderr
-            
+
     if stderr_string is None:
-        raise Exception("Expected call to {} to fail, but it succeeded!".format(args[0]))            
+        raise Exception("Expected call to {} to fail, but it succeeded!".format(args[0]))
     return stderr_string
-  
+
+
 def get_error_string_for_management_call(*args, **options):
     stdout_string = None
     old_stdout = sys.stdout
@@ -103,7 +107,7 @@ def get_error_string_for_management_call(*args, **options):
         # But these are actually translated into nice messages,
         # and sys.exit(1) is then called.  For testing, we
         # want to catch what sys.exit throws, and get the
-        # relevant text either from stdout or stderr. 
+        # relevant text either from stdout or stderr.
         if (why1.message == 1):
             stdout_string = sys.stdout.getvalue()
             stderr_string = sys.stderr.getvalue()
@@ -111,15 +115,15 @@ def get_error_string_for_management_call(*args, **options):
             raise why1
     except Exception, why:
         raise why
-    
+
     finally:
         sys.stdout = old_stdout
         sys.stderr = old_stderr
-            
+
     if stdout_string is None:
-        raise Exception("Expected call to {} to fail, but it succeeded!".format(args[0]))            
+        raise Exception("Expected call to {} to fail, but it succeeded!".format(args[0]))
     return stdout_string, stderr_string
-        
+
 
 def get_file_info(dirpath):
     filelist = os.listdir(dirpath)
@@ -132,43 +136,45 @@ def get_file_info(dirpath):
             numlines = len(filecontents)
             return filepath, numlines
     else:
-        raise Exception("Expected to find a single file in {}, but found {}".format(dirpath,filelist))
-            
+        raise Exception("Expected to find a single file in {}, but found {}".format(dirpath, filelist))
+
+
 class PearsonTestCase(TestCase):
     '''
     Base class for tests running Pearson-related commands
     '''
     import_dir = mkdtemp(prefix="import")
     export_dir = mkdtemp(prefix="export")
-    
+
     def assertErrorContains(self, error_message, expected):
         self.assertTrue(error_message.find(expected) >= 0, 'error message "{}" did not contain "{}"'.format(error_message, expected))
-        
+
     def tearDown(self):
         def delete_temp_dir(dirname):
             if os.path.exists(dirname):
                 for filename in os.listdir(dirname):
                     os.remove(os.path.join(dirname, filename))
                 os.rmdir(dirname)
-            
+
         # clean up after any test data was dumped to temp directory
         delete_temp_dir(self.import_dir)
         delete_temp_dir(self.export_dir)
-        
+
         # and clean up the database:
 #        TestCenterUser.objects.all().delete()
 #        TestCenterRegistration.objects.all().delete()
 
+
 class PearsonCommandTestCase(PearsonTestCase):
 
     def test_missing_demographic_fields(self):
-        # We won't bother to test all details of form validation here.  
+        # We won't bother to test all details of form validation here.
         # It is enough to show that it works here, but deal with test cases for the form
         # validation in the student tests, not these management tests.
         username = 'baduser'
         User.objects.create_user(username, '{}@edx.org'.format(username), 'fakepass')
         options = {}
-        error_string = get_command_error_text('pearson_make_tc_user', username, **options) 
+        error_string = get_command_error_text('pearson_make_tc_user', username, **options)
         self.assertTrue(error_string.find('Field Form errors encountered:') >= 0)
         self.assertTrue(error_string.find('Field Form Error:  city') >= 0)
         self.assertTrue(error_string.find('Field Form Error:  first_name') >= 0)
@@ -178,11 +184,11 @@ class PearsonCommandTestCase(PearsonTestCase):
         self.assertTrue(error_string.find('Field Form Error:  phone') >= 0)
         self.assertTrue(error_string.find('Field Form Error:  address_1') >= 0)
         self.assertErrorContains(error_string, 'Field Form Error:  address_1')
-        
+
     def test_create_good_testcenter_user(self):
         testcenter_user = create_tc_user("test_good_user")
         self.assertIsNotNone(testcenter_user)
-        
+
     def test_create_good_testcenter_registration(self):
         username = 'test_good_registration'
         create_tc_user(username)
@@ -192,21 +198,21 @@ class PearsonCommandTestCase(PearsonTestCase):
     def test_cdd_missing_option(self):
         error_string = get_command_error_text('pearson_export_cdd', **{})
         self.assertErrorContains(error_string, 'Error: --destination or --dest-from-settings must be used')
-   
+
     def test_ead_missing_option(self):
         error_string = get_command_error_text('pearson_export_ead', **{})
         self.assertErrorContains(error_string, 'Error: --destination or --dest-from-settings must be used')
 
     def test_export_single_cdd(self):
         # before we generate any tc_users, we expect there to be nothing to output:
-        options = { 'dest-from-settings' : True }
-        with self.settings(PEARSON={ 'LOCAL_EXPORT' : self.export_dir }):
+        options = {'dest-from-settings': True}
+        with self.settings(PEARSON={'LOCAL_EXPORT': self.export_dir}):
             call_command('pearson_export_cdd', **options)
             (filepath, numlines) = get_file_info(self.export_dir)
             self.assertEquals(numlines, 1, "Expect cdd file to have no non-header lines")
             os.remove(filepath)
 
-            # generating a tc_user should result in a line in the output    
+            # generating a tc_user should result in a line in the output
             username = 'test_single_cdd'
             create_tc_user(username)
             call_command('pearson_export_cdd', **options)
@@ -221,23 +227,23 @@ class PearsonCommandTestCase(PearsonTestCase):
             os.remove(filepath)
 
             # if we modify the record, then it should be output again:
-            user_options = { 'first_name' : 'NewTestFirst', }
+            user_options = {'first_name': 'NewTestFirst', }
             call_command('pearson_make_tc_user', username, **user_options)
             call_command('pearson_export_cdd', **options)
             (filepath, numlines) = get_file_info(self.export_dir)
             self.assertEquals(numlines, 2, "Expect cdd file to have one non-header line")
             os.remove(filepath)
-            
+
     def test_export_single_ead(self):
         # before we generate any registrations, we expect there to be nothing to output:
-        options = { 'dest-from-settings' : True }
-        with self.settings(PEARSON={ 'LOCAL_EXPORT' : self.export_dir }):
+        options = {'dest-from-settings': True}
+        with self.settings(PEARSON={'LOCAL_EXPORT': self.export_dir}):
             call_command('pearson_export_ead', **options)
             (filepath, numlines) = get_file_info(self.export_dir)
             self.assertEquals(numlines, 1, "Expect ead file to have no non-header lines")
             os.remove(filepath)
 
-            # generating a registration should result in a line in the output    
+            # generating a registration should result in a line in the output
             username = 'test_single_ead'
             create_tc_user(username)
             create_tc_registration(username)
@@ -251,7 +257,7 @@ class PearsonCommandTestCase(PearsonTestCase):
             (filepath, numlines) = get_file_info(self.export_dir)
             self.assertEquals(numlines, 1, "Expect ead file to have no non-header lines")
             os.remove(filepath)
-        
+
             # if we modify the record, then it should be output again:
             create_tc_registration(username, accommodation_code='EQPMNT')
             call_command('pearson_export_ead', **options)
@@ -261,8 +267,8 @@ class PearsonCommandTestCase(PearsonTestCase):
 
     def test_export_multiple(self):
         create_multiple_registrations("export")
-        with self.settings(PEARSON={ 'LOCAL_EXPORT' : self.export_dir }):
-            options = { 'dest-from-settings' : True }
+        with self.settings(PEARSON={'LOCAL_EXPORT': self.export_dir}):
+            options = {'dest-from-settings': True}
             call_command('pearson_export_cdd', **options)
             (filepath, numlines) = get_file_info(self.export_dir)
             self.assertEquals(numlines, 5, "Expect cdd file to have four non-header lines: total was {}".format(numlines))
@@ -294,6 +300,7 @@ S3_BUCKET = 'edx-pearson-archive'
 AWS_ACCESS_KEY_ID = 'put yours here'
 AWS_SECRET_ACCESS_KEY = 'put yours here'
 
+
 class PearsonTransferTestCase(PearsonTestCase):
     '''
     Class for tests running Pearson transfers
@@ -302,14 +309,14 @@ class PearsonTransferTestCase(PearsonTestCase):
     def test_transfer_config(self):
         with self.settings(DATADOG_API='FAKE_KEY'):
             # TODO: why is this failing with the wrong error message?!
-            stderrmsg = get_command_error_text('pearson_transfer', **{'mode' : 'garbage'})
+            stderrmsg = get_command_error_text('pearson_transfer', **{'mode': 'garbage'})
             self.assertErrorContains(stderrmsg, 'Error: No PEARSON entries')
         with self.settings(DATADOG_API='FAKE_KEY'):
             stderrmsg = get_command_error_text('pearson_transfer')
             self.assertErrorContains(stderrmsg, 'Error: No PEARSON entries')
         with self.settings(DATADOG_API='FAKE_KEY',
-                           PEARSON={'LOCAL_EXPORT' : self.export_dir,
-                                    'LOCAL_IMPORT' : self.import_dir }):
+                           PEARSON={'LOCAL_EXPORT': self.export_dir,
+                                    'LOCAL_IMPORT': self.import_dir}):
             stderrmsg = get_command_error_text('pearson_transfer')
             self.assertErrorContains(stderrmsg, 'Error: No entry in the PEARSON settings')
 
@@ -317,16 +324,16 @@ class PearsonTransferTestCase(PearsonTestCase):
         raise SkipTest()
         create_multiple_registrations('export_missing_dest')
         with self.settings(DATADOG_API='FAKE_KEY',
-                           PEARSON={'LOCAL_EXPORT' : self.export_dir,
-                                    'SFTP_EXPORT' : 'this/does/not/exist',
-                                    'SFTP_HOSTNAME' : SFTP_HOSTNAME,
-                                    'SFTP_USERNAME' : SFTP_USERNAME,
-                                    'SFTP_PASSWORD' : SFTP_PASSWORD, 
-                                    'S3_BUCKET' : S3_BUCKET,
+                           PEARSON={'LOCAL_EXPORT': self.export_dir,
+                                    'SFTP_EXPORT': 'this/does/not/exist',
+                                    'SFTP_HOSTNAME': SFTP_HOSTNAME,
+                                    'SFTP_USERNAME': SFTP_USERNAME,
+                                    'SFTP_PASSWORD': SFTP_PASSWORD,
+                                    'S3_BUCKET': S3_BUCKET,
                                     },
-                           AWS_ACCESS_KEY_ID = AWS_ACCESS_KEY_ID,
-                           AWS_SECRET_ACCESS_KEY = AWS_SECRET_ACCESS_KEY):
-            options = { 'mode' : 'export'}
+                           AWS_ACCESS_KEY_ID=AWS_ACCESS_KEY_ID,
+                           AWS_SECRET_ACCESS_KEY=AWS_SECRET_ACCESS_KEY):
+            options = {'mode': 'export'}
             stderrmsg = get_command_error_text('pearson_transfer', **options)
             self.assertErrorContains(stderrmsg, 'Error: SFTP destination path does not exist')
 
@@ -334,16 +341,16 @@ class PearsonTransferTestCase(PearsonTestCase):
         raise SkipTest()
         create_multiple_registrations("transfer_export")
         with self.settings(DATADOG_API='FAKE_KEY',
-                           PEARSON={'LOCAL_EXPORT' : self.export_dir,
-                                    'SFTP_EXPORT' : 'results/topvue',
-                                    'SFTP_HOSTNAME' : SFTP_HOSTNAME,
-                                    'SFTP_USERNAME' : SFTP_USERNAME,
-                                    'SFTP_PASSWORD' : SFTP_PASSWORD, 
-                                    'S3_BUCKET' : S3_BUCKET,
+                           PEARSON={'LOCAL_EXPORT': self.export_dir,
+                                    'SFTP_EXPORT': 'results/topvue',
+                                    'SFTP_HOSTNAME': SFTP_HOSTNAME,
+                                    'SFTP_USERNAME': SFTP_USERNAME,
+                                    'SFTP_PASSWORD': SFTP_PASSWORD,
+                                    'S3_BUCKET': S3_BUCKET,
                                     },
-                           AWS_ACCESS_KEY_ID = AWS_ACCESS_KEY_ID,
-                           AWS_SECRET_ACCESS_KEY = AWS_SECRET_ACCESS_KEY):
-            options = { 'mode' : 'export'}
+                           AWS_ACCESS_KEY_ID=AWS_ACCESS_KEY_ID,
+                           AWS_SECRET_ACCESS_KEY=AWS_SECRET_ACCESS_KEY):
+            options = {'mode': 'export'}
 #            call_command('pearson_transfer', **options)
 #            # confirm that the export directory is still empty:
 #            self.assertEqual(len(os.listdir(self.export_dir)), 0, "expected export directory to be empty")
@@ -352,16 +359,16 @@ class PearsonTransferTestCase(PearsonTestCase):
         raise SkipTest()
         create_multiple_registrations('import_missing_src')
         with self.settings(DATADOG_API='FAKE_KEY',
-                           PEARSON={'LOCAL_IMPORT' : self.import_dir,
-                                    'SFTP_IMPORT' : 'this/does/not/exist',
-                                    'SFTP_HOSTNAME' : SFTP_HOSTNAME,
-                                    'SFTP_USERNAME' : SFTP_USERNAME,
-                                    'SFTP_PASSWORD' : SFTP_PASSWORD, 
-                                    'S3_BUCKET' : S3_BUCKET,
+                           PEARSON={'LOCAL_IMPORT': self.import_dir,
+                                    'SFTP_IMPORT': 'this/does/not/exist',
+                                    'SFTP_HOSTNAME': SFTP_HOSTNAME,
+                                    'SFTP_USERNAME': SFTP_USERNAME,
+                                    'SFTP_PASSWORD': SFTP_PASSWORD,
+                                    'S3_BUCKET': S3_BUCKET,
                                     },
-                           AWS_ACCESS_KEY_ID = AWS_ACCESS_KEY_ID,
-                           AWS_SECRET_ACCESS_KEY = AWS_SECRET_ACCESS_KEY):
-            options = { 'mode' : 'import'}
+                           AWS_ACCESS_KEY_ID=AWS_ACCESS_KEY_ID,
+                           AWS_SECRET_ACCESS_KEY=AWS_SECRET_ACCESS_KEY):
+            options = {'mode': 'import'}
             stderrmsg = get_command_error_text('pearson_transfer', **options)
             self.assertErrorContains(stderrmsg, 'Error: SFTP source path does not exist')
 
@@ -369,15 +376,15 @@ class PearsonTransferTestCase(PearsonTestCase):
         raise SkipTest()
         create_multiple_registrations('import_missing_src')
         with self.settings(DATADOG_API='FAKE_KEY',
-                           PEARSON={'LOCAL_IMPORT' : self.import_dir,
-                                    'SFTP_IMPORT' : 'results',
-                                    'SFTP_HOSTNAME' : SFTP_HOSTNAME,
-                                    'SFTP_USERNAME' : SFTP_USERNAME,
-                                    'SFTP_PASSWORD' : SFTP_PASSWORD, 
-                                    'S3_BUCKET' : S3_BUCKET,
+                           PEARSON={'LOCAL_IMPORT': self.import_dir,
+                                    'SFTP_IMPORT': 'results',
+                                    'SFTP_HOSTNAME': SFTP_HOSTNAME,
+                                    'SFTP_USERNAME': SFTP_USERNAME,
+                                    'SFTP_PASSWORD': SFTP_PASSWORD,
+                                    'S3_BUCKET': S3_BUCKET,
                                     },
-                           AWS_ACCESS_KEY_ID = AWS_ACCESS_KEY_ID,
-                           AWS_SECRET_ACCESS_KEY = AWS_SECRET_ACCESS_KEY):
-            options = { 'mode' : 'import'}
+                           AWS_ACCESS_KEY_ID=AWS_ACCESS_KEY_ID,
+                           AWS_SECRET_ACCESS_KEY=AWS_SECRET_ACCESS_KEY):
+            options = {'mode': 'import'}
             call_command('pearson_transfer', **options)
             self.assertEqual(len(os.listdir(self.import_dir)), 0, "expected import directory to be empty")
diff --git a/common/djangoapps/student/migrations/0020_add_test_center_user.py b/common/djangoapps/student/migrations/0020_add_test_center_user.py
index e308e2d7e0..6c0bf5c4ee 100644
--- a/common/djangoapps/student/migrations/0020_add_test_center_user.py
+++ b/common/djangoapps/student/migrations/0020_add_test_center_user.py
@@ -185,4 +185,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
\ No newline at end of file
+    complete_apps = ['student']
diff --git a/common/djangoapps/student/migrations/0021_remove_askbot.py b/common/djangoapps/student/migrations/0021_remove_askbot.py
index 83ad6791f2..8f76e5078c 100644
--- a/common/djangoapps/student/migrations/0021_remove_askbot.py
+++ b/common/djangoapps/student/migrations/0021_remove_askbot.py
@@ -36,7 +36,7 @@ class Migration(SchemaMigration):
                 for column in ASKBOT_AUTH_USER_COLUMNS:
                     db.delete_column('auth_user', column)
         except Exception as ex:
-            print "Couldn't remove askbot because of {0} -- it was probably never here to begin with.".format(ex)            
+            print "Couldn't remove askbot because of {0} -- it was probably never here to begin with.".format(ex)
 
     def backwards(self, orm):
         raise RuntimeError("Cannot reverse this migration: there's no going back to Askbot.")
diff --git a/common/djangoapps/student/migrations/0022_auto__add_courseenrollmentallowed__add_unique_courseenrollmentallowed_.py b/common/djangoapps/student/migrations/0022_auto__add_courseenrollmentallowed__add_unique_courseenrollmentallowed_.py
index f7e2571685..769ad6737d 100644
--- a/common/djangoapps/student/migrations/0022_auto__add_courseenrollmentallowed__add_unique_courseenrollmentallowed_.py
+++ b/common/djangoapps/student/migrations/0022_auto__add_courseenrollmentallowed__add_unique_courseenrollmentallowed_.py
@@ -152,4 +152,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
\ No newline at end of file
+    complete_apps = ['student']
diff --git a/common/djangoapps/student/migrations/0023_add_test_center_registration.py b/common/djangoapps/student/migrations/0023_add_test_center_registration.py
index c5af38dd37..4c7de6dcd9 100644
--- a/common/djangoapps/student/migrations/0023_add_test_center_registration.py
+++ b/common/djangoapps/student/migrations/0023_add_test_center_registration.py
@@ -238,4 +238,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
\ No newline at end of file
+    complete_apps = ['student']
diff --git a/common/djangoapps/student/migrations/0024_add_allow_certificate.py b/common/djangoapps/student/migrations/0024_add_allow_certificate.py
index fb3a97cd4b..56eccf8d70 100644
--- a/common/djangoapps/student/migrations/0024_add_allow_certificate.py
+++ b/common/djangoapps/student/migrations/0024_add_allow_certificate.py
@@ -169,4 +169,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['student']
\ No newline at end of file
+    complete_apps = ['student']
diff --git a/common/djangoapps/student/models.py b/common/djangoapps/student/models.py
index 71d2177bd4..54bdd77297 100644
--- a/common/djangoapps/student/models.py
+++ b/common/djangoapps/student/models.py
@@ -107,6 +107,7 @@ class UserProfile(models.Model):
 TEST_CENTER_STATUS_ACCEPTED = "Accepted"
 TEST_CENTER_STATUS_ERROR = "Error"
 
+
 class TestCenterUser(models.Model):
     """This is our representation of the User for in-person testing, and
     specifically for Pearson at this point. A few things to note:
@@ -190,7 +191,7 @@ class TestCenterUser(models.Model):
 
     @staticmethod
     def user_provided_fields():
-        return [ 'first_name', 'middle_name', 'last_name', 'suffix', 'salutation',
+        return ['first_name', 'middle_name', 'last_name', 'suffix', 'salutation',
                 'address_1', 'address_2', 'address_3', 'city', 'state', 'postal_code', 'country',
                 'phone', 'extension', 'phone_country_code', 'fax', 'fax_country_code', 'company_name']
 
@@ -208,7 +209,7 @@ class TestCenterUser(models.Model):
     @staticmethod
     def _generate_edx_id(prefix):
         NUM_DIGITS = 12
-        return u"{}{:012}".format(prefix, randint(1, 10**NUM_DIGITS-1))
+        return u"{}{:012}".format(prefix, randint(1, 10 ** NUM_DIGITS - 1))
 
     @staticmethod
     def _generate_candidate_id():
@@ -237,10 +238,11 @@ class TestCenterUser(models.Model):
     def is_pending(self):
         return not self.is_accepted and not self.is_rejected
 
+
 class TestCenterUserForm(ModelForm):
     class Meta:
         model = TestCenterUser
-        fields = ( 'first_name', 'middle_name', 'last_name', 'suffix', 'salutation',
+        fields = ('first_name', 'middle_name', 'last_name', 'suffix', 'salutation',
                 'address_1', 'address_2', 'address_3', 'city', 'state', 'postal_code', 'country',
                 'phone', 'extension', 'phone_country_code', 'fax', 'fax_country_code', 'company_name')
 
@@ -313,7 +315,8 @@ ACCOMMODATION_CODES = (
                       ('SRSGNR', 'Separate Room and Sign Language Interpreter'),
                       )
 
-ACCOMMODATION_CODE_DICT = { code : name for (code, name) in ACCOMMODATION_CODES }
+ACCOMMODATION_CODE_DICT = {code: name for (code, name) in ACCOMMODATION_CODES}
+
 
 class TestCenterRegistration(models.Model):
     """
@@ -389,10 +392,10 @@ class TestCenterRegistration(models.Model):
         elif self.uploaded_at is None:
             return 'Add'
         elif self.registration_is_rejected:
-            # Assume that if the registration was rejected before, 
-            # it is more likely this is the (first) correction 
+            # Assume that if the registration was rejected before,
+            # it is more likely this is the (first) correction
             # than a second correction in flight before the first was
-            # processed. 
+            # processed.
             return 'Add'
         else:
             # TODO: decide what to send when we have uploaded an initial version,
@@ -417,7 +420,7 @@ class TestCenterRegistration(models.Model):
 
     @classmethod
     def create(cls, testcenter_user, exam, accommodation_request):
-        registration = cls(testcenter_user = testcenter_user)
+        registration = cls(testcenter_user=testcenter_user)
         registration.course_id = exam.course_id
         registration.accommodation_request = accommodation_request.strip()
         registration.exam_series_code = exam.exam_series_code
@@ -501,7 +504,7 @@ class TestCenterRegistration(models.Model):
         return self.accommodation_code.split('*')
 
     def get_accommodation_names(self):
-        return [ ACCOMMODATION_CODE_DICT.get(code, "Unknown code " + code) for code in self.get_accommodation_codes() ]
+        return [ACCOMMODATION_CODE_DICT.get(code, "Unknown code " + code) for code in self.get_accommodation_codes()]
 
     @property
     def registration_signup_url(self):
@@ -512,7 +515,7 @@ class TestCenterRegistration(models.Model):
             return "Accepted"
         elif self.demographics_is_rejected:
             return "Rejected"
-        else: 
+        else:
             return "Pending"
 
     def accommodation_status(self):
@@ -522,7 +525,7 @@ class TestCenterRegistration(models.Model):
             return "Accepted"
         elif self.accommodation_is_rejected:
             return "Rejected"
-        else: 
+        else:
             return "Pending"
 
     def registration_status(self):
@@ -532,12 +535,12 @@ class TestCenterRegistration(models.Model):
             return "Rejected"
         else:
             return "Pending"
-        
+
 
 class TestCenterRegistrationForm(ModelForm):
     class Meta:
         model = TestCenterRegistration
-        fields = ( 'accommodation_request', 'accommodation_code' )
+        fields = ('accommodation_request', 'accommodation_code')
 
     def clean_accommodation_request(self):
         code = self.cleaned_data['accommodation_request']
@@ -576,6 +579,7 @@ def get_testcenter_registration(user, course_id, exam_series_code):
 # Correct this (https://nose.readthedocs.org/en/latest/finding_tests.html)
 get_testcenter_registration.__test__ = False
 
+
 def unique_id_for_user(user):
     """
     Return a unique id for a user, suitable for inserting into
@@ -666,6 +670,7 @@ class CourseEnrollmentAllowed(models.Model):
 
 #### Helper methods for use from python manage.py shell and other classes.
 
+
 def get_user_by_username_or_email(username_or_email):
     """
     Return a User object, looking up by email if username_or_email contains a
@@ -767,4 +772,3 @@ def update_user_information(sender, instance, created, **kwargs):
         log = logging.getLogger("mitx.discussion")
         log.error(unicode(e))
         log.error("update user info to discussion failed for user with id: " + str(instance.id))
-
diff --git a/common/djangoapps/student/tests.py b/common/djangoapps/student/tests.py
index 8ce407bcd1..6a2d75e3d8 100644
--- a/common/djangoapps/student/tests.py
+++ b/common/djangoapps/student/tests.py
@@ -17,6 +17,7 @@ COURSE_2 = 'edx/full/6.002_Spring_2012'
 
 log = logging.getLogger(__name__)
 
+
 class CourseEndingTest(TestCase):
     """Test things related to course endings: certificates, surveys, etc"""
 
@@ -40,7 +41,7 @@ class CourseEndingTest(TestCase):
                          {'status': 'processing',
                           'show_disabled_download_button': False,
                           'show_download_url': False,
-                          'show_survey_button': False,})
+                          'show_survey_button': False, })
 
         cert_status = {'status': 'unavailable'}
         self.assertEqual(_cert_info(user, course, cert_status),
diff --git a/common/djangoapps/student/views.py b/common/djangoapps/student/views.py
index b583599e97..4413ebfc0f 100644
--- a/common/djangoapps/student/views.py
+++ b/common/djangoapps/student/views.py
@@ -1,12 +1,10 @@
 import datetime
 import feedparser
-#import itertools
 import json
 import logging
 import random
 import string
 import sys
-#import time
 import urllib
 import uuid
 
@@ -16,17 +14,19 @@ from django.contrib.auth import logout, authenticate, login
 from django.contrib.auth.forms import PasswordResetForm
 from django.contrib.auth.models import User
 from django.contrib.auth.decorators import login_required
+from django.core.cache import cache
 from django.core.context_processors import csrf
 from django.core.mail import send_mail
+from django.core.urlresolvers import reverse
 from django.core.validators import validate_email, validate_slug, ValidationError
 from django.db import IntegrityError
-from django.http import HttpResponse, HttpResponseForbidden, Http404
+from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import redirect
+from django_future.csrf import ensure_csrf_cookie, csrf_exempt
+
 from mitxmako.shortcuts import render_to_response, render_to_string
 from bs4 import BeautifulSoup
-from django.core.cache import cache
 
-from django_future.csrf import ensure_csrf_cookie, csrf_exempt
 from student.models import (Registration, UserProfile, TestCenterUser, TestCenterUserForm,
                             TestCenterRegistration, TestCenterRegistrationForm,
                             PendingNameChange, PendingEmailChange,
@@ -38,18 +38,22 @@ from certificates.models import CertificateStatuses, certificate_status_for_stud
 from xmodule.course_module import CourseDescriptor
 from xmodule.modulestore.exceptions import ItemNotFoundError
 from xmodule.modulestore.django import modulestore
+from xmodule.modulestore import Location
 
-#from datetime import date
 from collections import namedtuple
 
 from courseware.courses import get_courses, sort_by_announcement
 from courseware.access import has_access
+from courseware.models import StudentModuleCache
+from courseware.views import get_module_for_descriptor, jump_to
+from courseware.module_render import get_instance_module
 
 from statsd import statsd
 
 log = logging.getLogger("mitx.student")
 Article = namedtuple('Article', 'title url author image deck publication publish_date')
 
+
 def csrf_token(context):
     ''' A csrf token that can be included in a form.
     '''
@@ -73,8 +77,8 @@ def index(request, extra_context={}, user=None):
     '''
 
     # The course selection work is done in courseware.courses.
-    domain = settings.MITX_FEATURES.get('FORCE_UNIVERSITY_DOMAIN')	# normally False
-    if domain==False:				# do explicit check, because domain=None is valid
+    domain = settings.MITX_FEATURES.get('FORCE_UNIVERSITY_DOMAIN')  	# normally False
+    if domain == False:				# do explicit check, because domain=None is valid
         domain = request.META.get('HTTP_HOST')
 
     courses = get_courses(None, domain=domain)
@@ -97,6 +101,7 @@ import re
 day_pattern = re.compile('\s\d+,\s')
 multimonth_pattern = re.compile('\s?\-\s?\S+\s')
 
+
 def get_date_for_press(publish_date):
     import datetime
     # strip off extra months, and just use the first:
@@ -107,6 +112,7 @@ def get_date_for_press(publish_date):
         date = datetime.datetime.strptime(date, "%B, %Y")
     return date
 
+
 def press(request):
     json_articles = cache.get("student_press_json_articles")
     if json_articles == None:
@@ -148,6 +154,7 @@ def cert_info(user, course):
 
     return _cert_info(user, course, certificate_status_for_student(user, course.id))
 
+
 def _cert_info(user, course, cert_status):
     """
     Implements the logic for cert_info -- split out for testing.
@@ -175,7 +182,7 @@ def _cert_info(user, course, cert_status):
 
     d = {'status': status,
          'show_download_url': status == 'ready',
-         'show_disabled_download_button': status == 'generating',}
+         'show_disabled_download_button': status == 'generating', }
 
     if (status in ('generating', 'ready', 'notpassing', 'restricted') and
         course.end_of_course_survey_url is not None):
@@ -204,6 +211,7 @@ def _cert_info(user, course, cert_status):
 
     return d
 
+
 @login_required
 @ensure_csrf_cookie
 def dashboard(request):
@@ -237,9 +245,9 @@ def dashboard(request):
     show_courseware_links_for = frozenset(course.id for course in courses
                                           if has_access(request.user, course, 'load'))
 
-    cert_statuses = { course.id: cert_info(request.user, course) for course in courses}
+    cert_statuses = {course.id: cert_info(request.user, course) for course in courses}
 
-    exam_registrations = { course.id: exam_registration_info(request.user, course) for course in courses}
+    exam_registrations = {course.id: exam_registration_info(request.user, course) for course in courses}
 
     # Get the 3 most recent news
     top_news = _get_news(top=3)
@@ -248,7 +256,7 @@ def dashboard(request):
                'message': message,
                'staff_access': staff_access,
                'errored_courses': errored_courses,
-               'show_courseware_links_for' : show_courseware_links_for,
+               'show_courseware_links_for': show_courseware_links_for,
                'cert_statuses': cert_statuses,
                'news': top_news,
                'exam_registrations': exam_registrations,
@@ -312,7 +320,7 @@ def change_enrollment(request):
                     'error': 'enrollment in {} not allowed at this time'
                     .format(course.display_name)}
 
-        org, course_num, run=course_id.split("/")
+        org, course_num, run = course_id.split("/")
         statsd.increment("common.student.enrollment",
                         tags=["org:{0}".format(org),
                               "course:{0}".format(course_num),
@@ -326,7 +334,7 @@ def change_enrollment(request):
             enrollment = CourseEnrollment.objects.get(user=user, course_id=course_id)
             enrollment.delete()
 
-            org, course_num, run=course_id.split("/")
+            org, course_num, run = course_id.split("/")
             statsd.increment("common.student.unenrollment",
                             tags=["org:{0}".format(org),
                                   "course:{0}".format(course_num),
@@ -345,7 +353,7 @@ def change_enrollment(request):
 def accounts_login(request, error=""):
 
 
-    return render_to_response('accounts_login.html', { 'error': error })
+    return render_to_response('accounts_login.html', {'error': error})
 
 
 
@@ -424,6 +432,7 @@ def change_setting(request):
     return HttpResponse(json.dumps({'success': True,
                                     'location': up.location, }))
 
+
 def _do_create_account(post_vars):
     """
     Given cleaned post variables, create the User and UserProfile objects, as well as the
@@ -551,7 +560,7 @@ def create_account(request, post_override=None):
 
     # Ok, looks like everything is legit.  Create the account.
     ret = _do_create_account(post_vars)
-    if isinstance(ret,HttpResponse):		# if there was an error then return that
+    if isinstance(ret, HttpResponse):		# if there was an error then return that
         return ret
     (user, profile, registration) = ret
 
@@ -591,7 +600,7 @@ def create_account(request, post_override=None):
         eamap.user = login_user
         eamap.dtsignup = datetime.datetime.now()
         eamap.save()
-        log.debug('Updated ExternalAuthMap for %s to be %s' % (post_vars['username'],eamap))
+        log.debug('Updated ExternalAuthMap for %s to be %s' % (post_vars['username'], eamap))
 
         if settings.MITX_FEATURES.get('BYPASS_ACTIVATION_EMAIL_FOR_EXTAUTH'):
             log.debug('bypassing activation email')
@@ -603,6 +612,7 @@ def create_account(request, post_override=None):
     js = {'success': True}
     return HttpResponse(json.dumps(js), mimetype="application/json")
 
+
 def exam_registration_info(user, course):
     """ Returns a Registration object if the user is currently registered for a current
     exam of the course.  Returns None if the user is not registered, or if there is no
@@ -620,6 +630,7 @@ def exam_registration_info(user, course):
         registration = None
     return registration
 
+
 @login_required
 @ensure_csrf_cookie
 def begin_exam_registration(request, course_id):
@@ -663,6 +674,7 @@ def begin_exam_registration(request, course_id):
 
     return render_to_response('test_center_register.html', context)
 
+
 @ensure_csrf_cookie
 def create_exam_registration(request, post_override=None):
     '''
@@ -725,7 +737,7 @@ def create_exam_registration(request, post_override=None):
         # this registration screen.
 
     else:
-        accommodation_request = post_vars.get('accommodation_request','')
+        accommodation_request = post_vars.get('accommodation_request', '')
         registration = TestCenterRegistration.create(testcenter_user, exam, accommodation_request)
         needs_saving = True
         log.info("User {0} enrolled in course {1} creating new exam registration".format(user.username, course_id))
@@ -834,16 +846,17 @@ def password_reset(request):
 
     form = PasswordResetForm(request.POST)
     if form.is_valid():
-        form.save(use_https = request.is_secure(),
-                  from_email = settings.DEFAULT_FROM_EMAIL,
-                  request = request,
-                  domain_override = request.get_host())
-        return HttpResponse(json.dumps({'success':True,
+        form.save(use_https=request.is_secure(),
+                  from_email=settings.DEFAULT_FROM_EMAIL,
+                  request=request,
+                  domain_override=request.get_host())
+        return HttpResponse(json.dumps({'success': True,
                                         'value': render_to_string('registration/password_reset_done.html', {})}))
     else:
         return HttpResponse(json.dumps({'success': False,
                                         'error': 'Invalid e-mail'}))
 
+
 @ensure_csrf_cookie
 def reactivation_email(request):
     ''' Send an e-mail to reactivate a deactivated account, or to
@@ -856,6 +869,7 @@ def reactivation_email(request):
                                         'error': 'No inactive user with this e-mail exists'}))
     return reactivation_email_for_user(user)
 
+
 def reactivation_email_for_user(user):
     reg = Registration.objects.get(user=user)
 
@@ -996,11 +1010,11 @@ def pending_name_changes(request):
 
     changes = list(PendingNameChange.objects.all())
     js = {'students': [{'new_name': c.new_name,
-                        'rationale':c.rationale,
-                        'old_name':UserProfile.objects.get(user=c.user).name,
-                        'email':c.user.email,
-                        'uid':c.user.id,
-                        'cid':c.id} for c in changes]}
+                        'rationale': c.rationale,
+                        'old_name': UserProfile.objects.get(user=c.user).name,
+                        'email': c.user.email,
+                        'uid': c.user.id,
+                        'cid': c.id} for c in changes]}
     return render_to_response('name_changes.html', js)
 
 
@@ -1055,25 +1069,134 @@ def accept_name_change(request):
 
     return accept_name_change_by_id(int(request.POST['id']))
 
-# TODO: This is a giant kludge to give Pearson something to test against ASAP.
-#       Will need to get replaced by something that actually ties into TestCenterUser
 @csrf_exempt
 def test_center_login(request):
-    if not settings.MITX_FEATURES.get('ENABLE_PEARSON_HACK_TEST'):
-        raise Http404
-
-    client_candidate_id = request.POST.get("clientCandidateID")
-    # registration_id = request.POST.get("registrationID")
-    exit_url = request.POST.get("exitURL")
+    # errors are returned by navigating to the error_url, adding a query parameter named "code" 
+    # which contains the error code describing the exceptional condition.
+    def makeErrorURL(error_url, error_code):
+        log.error("generating error URL with error code {}".format(error_code))
+        return "{}?code={}".format(error_url, error_code);
+     
+    # get provided error URL, which will be used as a known prefix for returning error messages to the
+    # Pearson shell.  
     error_url = request.POST.get("errorURL")
 
+    # TODO: check that the parameters have not been tampered with, by comparing the code provided by Pearson
+    # with the code we calculate for the same parameters.
+    if 'code' not in request.POST:
+        return HttpResponseRedirect(makeErrorURL(error_url, "missingSecurityCode"));
+    code = request.POST.get("code")
+
+    # calculate SHA for query string
+    # TODO: figure out how to get the original query string, so we can hash it and compare.
+    
+    
+    if 'clientCandidateID' not in request.POST:
+        return HttpResponseRedirect(makeErrorURL(error_url, "missingClientCandidateID"));
+    client_candidate_id = request.POST.get("clientCandidateID")
+    
+    # TODO: check remaining parameters, and maybe at least log if they're not matching
+    # expected values....
+    # registration_id = request.POST.get("registrationID")
+    # exit_url = request.POST.get("exitURL")
+
+    # find testcenter_user that matches the provided ID:
+    try:
+        testcenteruser = TestCenterUser.objects.get(client_candidate_id=client_candidate_id)
+    except TestCenterUser.DoesNotExist:
+        log.error("not able to find demographics for cand ID {}".format(client_candidate_id))
+        return HttpResponseRedirect(makeErrorURL(error_url, "invalidClientCandidateID"));
+
+    # find testcenter_registration that matches the provided exam code:
+    # Note that we could rely in future on either the registrationId or the exam code, 
+    # or possibly both.  But for now we know what to do with an ExamSeriesCode, 
+    # while we currently have no record of RegistrationID values at all.
+    if 'vueExamSeriesCode' not in request.POST:
+        # we are not allowed to make up a new error code, according to Pearson, 
+        # so instead of "missingExamSeriesCode", we use a valid one that is 
+        # inaccurate but at least distinct.  (Sigh.)
+        log.error("missing exam series code for cand ID {}".format(client_candidate_id))
+        return HttpResponseRedirect(makeErrorURL(error_url, "missingPartnerID"));
+    exam_series_code = request.POST.get('vueExamSeriesCode')
+    # special case for supporting test user:
+    if client_candidate_id == "edX003671291147" and exam_series_code != '6002x001':
+        log.warning("test user {} using unexpected exam code {}, coercing to 6002x001".format(client_candidate_id, exam_series_code))
+        exam_series_code = '6002x001'
+
+    registrations = TestCenterRegistration.objects.filter(testcenter_user=testcenteruser, exam_series_code=exam_series_code)
+    if not registrations:
+        log.error("not able to find exam registration for exam {} and cand ID {}".format(exam_series_code, client_candidate_id))
+        return HttpResponseRedirect(makeErrorURL(error_url, "noTestsAssigned"));
+    
+    # TODO: figure out what to do if there are more than one registrations....
+    # for now, just take the first...
+    registration = registrations[0]
+    
+    course_id = registration.course_id
+    course = course_from_id(course_id)  # assume it will be found....
+    if not course:
+        log.error("not able to find course from ID {} for cand ID {}".format(course_id, client_candidate_id))
+        return HttpResponseRedirect(makeErrorURL(error_url, "incorrectCandidateTests"));
+    exam = course.get_test_center_exam(exam_series_code)
+    if not exam:
+        log.error("not able to find exam {} for course ID {} and cand ID {}".format(exam_series_code, course_id, client_candidate_id))
+        return HttpResponseRedirect(makeErrorURL(error_url, "incorrectCandidateTests"));
+    location = exam.exam_url
+    log.info("proceeding with test of cand {} on exam {} for course {}: URL = {}".format(client_candidate_id, exam_series_code, course_id, location))
+
+    # check if the test has already been taken
+    timelimit_descriptor = modulestore().get_instance(course_id, Location(location))
+    if not timelimit_descriptor:
+        log.error("cand {} on exam {} for course {}: descriptor not found for location {}".format(client_candidate_id, exam_series_code, course_id, location))
+        return HttpResponseRedirect(makeErrorURL(error_url, "missingClientProgram"));
+        
+    timelimit_module_cache = StudentModuleCache.cache_for_descriptor_descendents(course_id, testcenteruser.user, 
+                                                                                 timelimit_descriptor, depth=None)
+    timelimit_module = get_module_for_descriptor(request.user, request, timelimit_descriptor, 
+                                                 timelimit_module_cache, course_id, position=None)
+    if not timelimit_module.category == 'timelimit':
+        log.error("cand {} on exam {} for course {}: non-timelimit module at location {}".format(client_candidate_id, exam_series_code, course_id, location))
+        return HttpResponseRedirect(makeErrorURL(error_url, "missingClientProgram"));
+        
+    if timelimit_module and timelimit_module.has_ended:
+        log.warning("cand {} on exam {} for course {}: test already over at {}".format(client_candidate_id, exam_series_code, course_id, timelimit_module.ending_at))
+        return HttpResponseRedirect(makeErrorURL(error_url, "allTestsTaken"));
+    
+    # check if we need to provide an accommodation:
+    time_accommodation_mapping = {'ET12ET' : 'ADDHALFTIME',
+                                  'ET30MN' : 'ADD30MIN',
+                                  'ETDBTM' : 'ADDDOUBLE', }
+
+    time_accommodation_code = None
+    for code in registration.get_accommodation_codes():
+        if code in time_accommodation_mapping:
+            time_accommodation_code = time_accommodation_mapping[code]
+    # special, hard-coded client ID used by Pearson shell for testing:
     if client_candidate_id == "edX003671291147":
-        user = authenticate(username=settings.PEARSON_TEST_USER,
-                            password=settings.PEARSON_TEST_PASSWORD)
-        login(request, user)
-        return redirect('/courses/MITx/6.002x/2012_Fall/courseware/Final_Exam/Final_Exam_Fall_2012/')
-    else:
-        return HttpResponseForbidden()
+        time_accommodation_code = 'TESTING'
+        
+    if time_accommodation_code:
+        timelimit_module.accommodation_code = time_accommodation_code
+        instance_module = get_instance_module(course_id, testcenteruser.user, timelimit_module, timelimit_module_cache)
+        instance_module.state = timelimit_module.get_instance_state()
+        instance_module.save()
+        log.info("cand {} on exam {} for course {}: receiving accommodation {}".format(client_candidate_id, exam_series_code, course_id, time_accommodation_code))
+        
+    # UGLY HACK!!!
+    # Login assumes that authentication has occurred, and that there is a 
+    # backend annotation on the user object, indicating which backend
+    # against which the user was authenticated.  We're authenticating here
+    # against the registration entry, and assuming that the request given
+    # this information is correct, we allow the user to be logged in
+    # without a password.  This could all be formalized in a backend object
+    # that does the above checking.  
+    # TODO: (brian) create a backend class to do this.
+    # testcenteruser.user.backend = "%s.%s" % (backend.__module__, backend.__class__.__name__)    
+    testcenteruser.user.backend = "%s.%s" % ("TestcenterAuthenticationModule", "TestcenterAuthenticationClass")    
+    login(request, testcenteruser.user)
+    
+    # And start the test:
+    return jump_to(request, course_id, location)
 
 
 def _get_news(top=None):
diff --git a/common/djangoapps/track/migrations/0001_initial.py b/common/djangoapps/track/migrations/0001_initial.py
index 0546203cf8..6ec146dd10 100644
--- a/common/djangoapps/track/migrations/0001_initial.py
+++ b/common/djangoapps/track/migrations/0001_initial.py
@@ -45,4 +45,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['track']
\ No newline at end of file
+    complete_apps = ['track']
diff --git a/common/djangoapps/track/migrations/0002_auto__add_field_trackinglog_host__chg_field_trackinglog_event_type__ch.py b/common/djangoapps/track/migrations/0002_auto__add_field_trackinglog_host__chg_field_trackinglog_event_type__ch.py
index 4c73aa3bfd..0bb0cde42e 100644
--- a/common/djangoapps/track/migrations/0002_auto__add_field_trackinglog_host__chg_field_trackinglog_event_type__ch.py
+++ b/common/djangoapps/track/migrations/0002_auto__add_field_trackinglog_host__chg_field_trackinglog_event_type__ch.py
@@ -48,4 +48,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['track']
\ No newline at end of file
+    complete_apps = ['track']
diff --git a/common/djangoapps/track/models.py b/common/djangoapps/track/models.py
index dfdf7a0558..b6a16706c1 100644
--- a/common/djangoapps/track/models.py
+++ b/common/djangoapps/track/models.py
@@ -2,21 +2,20 @@ from django.db import models
 
 from django.db import models
 
+
 class TrackingLog(models.Model):
-    dtcreated = models.DateTimeField('creation date',auto_now_add=True)
-    username = models.CharField(max_length=32,blank=True)
-    ip = models.CharField(max_length=32,blank=True)
+    dtcreated = models.DateTimeField('creation date', auto_now_add=True)
+    username = models.CharField(max_length=32, blank=True)
+    ip = models.CharField(max_length=32, blank=True)
     event_source = models.CharField(max_length=32)
-    event_type = models.CharField(max_length=512,blank=True)
+    event_type = models.CharField(max_length=512, blank=True)
     event = models.TextField(blank=True)
-    agent = models.CharField(max_length=256,blank=True)
-    page = models.CharField(max_length=512,blank=True,null=True)
+    agent = models.CharField(max_length=256, blank=True)
+    page = models.CharField(max_length=512, blank=True, null=True)
     time = models.DateTimeField('event time')
-    host = models.CharField(max_length=64,blank=True)
+    host = models.CharField(max_length=64, blank=True)
 
     def __unicode__(self):
         s = "[%s] %s@%s: %s | %s | %s | %s" % (self.time, self.username, self.ip, self.event_source,
                                                self.event_type, self.page, self.event)
         return s
-
-
diff --git a/common/djangoapps/track/views.py b/common/djangoapps/track/views.py
index 54bd476799..ae3a1dcb3e 100644
--- a/common/djangoapps/track/views.py
+++ b/common/djangoapps/track/views.py
@@ -17,19 +17,21 @@ from track.models import TrackingLog
 
 log = logging.getLogger("tracking")
 
-LOGFIELDS = ['username','ip','event_source','event_type','event','agent','page','time','host']
+LOGFIELDS = ['username', 'ip', 'event_source', 'event_type', 'event', 'agent', 'page', 'time', 'host']
+
 
 def log_event(event):
     event_str = json.dumps(event)
     log.info(event_str[:settings.TRACK_MAX_EVENT])
     if settings.MITX_FEATURES.get('ENABLE_SQL_TRACKING_LOGS'):
         event['time'] = dateutil.parser.parse(event['time'])
-        tldat = TrackingLog(**dict( (x,event[x]) for x in LOGFIELDS ))
+        tldat = TrackingLog(**dict((x, event[x]) for x in LOGFIELDS))
         try:
             tldat.save()
         except Exception as err:
             log.exception(err)
 
+
 def user_track(request):
     try:  # TODO: Do the same for many of the optional META parameters
         username = request.user.username
@@ -87,13 +89,14 @@ def server_track(request, event_type, event, page=None):
         "host": request.META['SERVER_NAME'],
         }
 
-    if event_type.startswith("/event_logs") and request.user.is_staff:	# don't log
+    if event_type.startswith("/event_logs") and request.user.is_staff:  	# don't log
         return
     log_event(event)
 
+
 @login_required
 @ensure_csrf_cookie
-def view_tracking_log(request,args=''):
+def view_tracking_log(request, args=''):
     if not request.user.is_staff:
         return redirect('/')
     nlen = 100
@@ -104,16 +107,15 @@ def view_tracking_log(request,args=''):
                 nlen = int(arg)
             if arg.startswith('username='):
                 username = arg[9:]
-            
+
     record_instances = TrackingLog.objects.all().order_by('-time')
     if username:
         record_instances = record_instances.filter(username=username)
     record_instances = record_instances[0:nlen]
-    
+
     # fix dtstamp
     fmt = '%a %d-%b-%y %H:%M:%S'  # "%Y-%m-%d %H:%M:%S %Z%z"
     for rinst in record_instances:
         rinst.dtstr = rinst.time.replace(tzinfo=pytz.utc).astimezone(pytz.timezone('US/Eastern')).strftime(fmt)
 
-    return render_to_response('tracking_log.html',{'records':record_instances})
-
+    return render_to_response('tracking_log.html', {'records': record_instances})
diff --git a/common/djangoapps/util/cache.py b/common/djangoapps/util/cache.py
index 89b5dffd5e..8ab1b06acd 100644
--- a/common/djangoapps/util/cache.py
+++ b/common/djangoapps/util/cache.py
@@ -58,4 +58,3 @@ def cache_if_anonymous(view_func):
             return view_func(request, *args, **kwargs)
 
     return _decorated
-
diff --git a/common/djangoapps/util/converters.py b/common/djangoapps/util/converters.py
index 7f96dc6c30..ec2d29ecfa 100644
--- a/common/djangoapps/util/converters.py
+++ b/common/djangoapps/util/converters.py
@@ -1,7 +1,9 @@
-import time, datetime
+import time
+import datetime
 import re
 import calendar
 
+
 def time_to_date(time_obj):
     """
     Convert a time.time_struct to a true universal time (can pass to js Date constructor)
@@ -9,16 +11,20 @@ def time_to_date(time_obj):
     # TODO change to using the isoformat() function on datetime. js date can parse those
     return calendar.timegm(time_obj) * 1000
 
+
 def jsdate_to_time(field):
     """
     Convert a universal time (iso format) or msec since epoch to a time obj
     """
     if field is None:
         return field
-    elif isinstance(field, basestring):  # iso format but ignores time zone assuming it's Z
-        d=datetime.datetime(*map(int, re.split('[^\d]', field)[:6])) # stop after seconds. Debatable  
+    elif isinstance(field, basestring):
+        # ISO format but ignores time zone assuming it's Z.
+        d = datetime.datetime(*map(int, re.split('[^\d]', field)[:6]))  # stop after seconds. Debatable
         return d.utctimetuple()
-    elif isinstance(field, int) or isinstance(field, float):
+    elif isinstance(field, (int, long, float)):
         return time.gmtime(field / 1000)
     elif isinstance(field, time.struct_time):
-        return field
\ No newline at end of file
+        return field
+    else:
+        raise ValueError("Couldn't convert %r to time" % field)
diff --git a/common/djangoapps/util/json_request.py b/common/djangoapps/util/json_request.py
index 4beff7bdc8..840a8282f9 100644
--- a/common/djangoapps/util/json_request.py
+++ b/common/djangoapps/util/json_request.py
@@ -13,7 +13,7 @@ def expect_json(view_function):
     def expect_json_with_cloned_request(request, *args, **kwargs):
         # cdodge: fix postback errors in CMS. The POST 'content-type' header can include additional information
         # e.g. 'charset', so we can't do a direct string compare
-        if request.META.get('CONTENT_TYPE','').lower().startswith("application/json"):
+        if request.META.get('CONTENT_TYPE', '').lower().startswith("application/json"):
             cloned_request = copy.copy(request)
             cloned_request.POST = cloned_request.POST.copy()
             cloned_request.POST.update(json.loads(request.body))
diff --git a/common/djangoapps/util/views.py b/common/djangoapps/util/views.py
index 0ccdd03301..cece37757b 100644
--- a/common/djangoapps/util/views.py
+++ b/common/djangoapps/util/views.py
@@ -93,6 +93,7 @@ def accepts(request, media_type):
     accept = parse_accept_header(request.META.get("HTTP_ACCEPT", ""))
     return media_type in [t for (t, p, q) in accept]
 
+
 def debug_request(request):
     """Return a pretty printed version of the request"""
 
diff --git a/common/djangoapps/xmodule_modifiers.py b/common/djangoapps/xmodule_modifiers.py
index b171b402ee..7b19c27553 100644
--- a/common/djangoapps/xmodule_modifiers.py
+++ b/common/djangoapps/xmodule_modifiers.py
@@ -12,6 +12,7 @@ from xmodule.vertical_module import VerticalModule
 
 log = logging.getLogger("mitx.xmodule_modifiers")
 
+
 def wrap_xmodule(get_html, module, template, context=None):
     """
     Wraps the results of get_html in a standard <section> with identifying
@@ -32,7 +33,7 @@ def wrap_xmodule(get_html, module, template, context=None):
     def _get_html():
         context.update({
             'content': get_html(),
-            'display_name' : module.metadata.get('display_name') if module.metadata is not None else None,
+            'display_name': module.metadata.get('display_name') if module.metadata is not None else None,
             'class_': module.__class__.__name__,
             'module_name': module.js_module_name
         })
@@ -52,6 +53,7 @@ def replace_course_urls(get_html, course_id):
         return static_replace.replace_course_urls(get_html(), course_id)
     return _get_html
 
+
 def replace_static_urls(get_html, data_dir, course_namespace=None):
     """
     Updates the supplied module with a new get_html function that wraps
@@ -64,6 +66,7 @@ def replace_static_urls(get_html, data_dir, course_namespace=None):
         return static_replace.replace_static_urls(get_html(), data_dir, course_namespace)
     return _get_html
 
+
 def grade_histogram(module_id):
     ''' Print out a histogram of grades on a given problem.
         Part of staff member debug info.
@@ -98,7 +101,7 @@ def add_histogram(get_html, module, user):
     @wraps(get_html)
     def _get_html():
 
-        if type(module) in [SequenceModule, VerticalModule]:	# TODO: make this more general, eg use an XModule attribute instead
+        if type(module) in [SequenceModule, VerticalModule]:  	# TODO: make this more general, eg use an XModule attribute instead
             return get_html()
 
         module_id = module.id
@@ -114,35 +117,35 @@ def add_histogram(get_html, module, user):
                 # doesn't like symlinks)
                 filepath = filename
             data_dir = osfs.root_path.rsplit('/')[-1]
-            giturl = module.metadata.get('giturl','https://github.com/MITx')
-            edit_link = "%s/%s/tree/master/%s" % (giturl,data_dir,filepath)
+            giturl = module.metadata.get('giturl', 'https://github.com/MITx')
+            edit_link = "%s/%s/tree/master/%s" % (giturl, data_dir, filepath)
         else:
             edit_link = False
             # Need to define all the variables that are about to be used
             giturl = ""
             data_dir = ""
-        source_file = module.metadata.get('source_file','')	# source used to generate the problem XML, eg latex or word
+        source_file = module.metadata.get('source_file', '')  	# source used to generate the problem XML, eg latex or word
 
         # useful to indicate to staff if problem has been released or not
         # TODO (ichuang): use _has_access_descriptor.can_load in lms.courseware.access, instead of now>mstart comparison here
         now = time.gmtime()
         is_released = "unknown"
-        mstart = getattr(module.descriptor,'start')
+        mstart = getattr(module.descriptor, 'start')
         if mstart is not None:
             is_released = "<font color='red'>Yes!</font>" if (now > mstart) else "<font color='green'>Not yet</font>"
 
         staff_context = {'definition': module.definition.get('data'),
                          'metadata': json.dumps(module.metadata, indent=4),
                          'location': module.location,
-                         'xqa_key': module.metadata.get('xqa_key',''),
-                         'source_file' : source_file,
-                         'source_url': '%s/%s/tree/master/%s' % (giturl,data_dir,source_file),
+                         'xqa_key': module.metadata.get('xqa_key', ''),
+                         'source_file': source_file,
+                         'source_url': '%s/%s/tree/master/%s' % (giturl, data_dir, source_file),
                          'category': str(module.__class__.__name__),
                          # Template uses element_id in js function names, so can't allow dashes
-                         'element_id': module.location.html_id().replace('-','_'),
+                         'element_id': module.location.html_id().replace('-', '_'),
                          'edit_link': edit_link,
                          'user': user,
-                         'xqa_server' : settings.MITX_FEATURES.get('USE_XQA_SERVER','http://xqa:server@content-qa.mitx.mit.edu/xqa'),
+                         'xqa_server': settings.MITX_FEATURES.get('USE_XQA_SERVER', 'http://xqa:server@content-qa.mitx.mit.edu/xqa'),
                          'histogram': json.dumps(histogram),
                          'render_histogram': render_histogram,
                          'module_content': get_html(),
@@ -151,4 +154,3 @@ def add_histogram(get_html, module, user):
         return render_to_string("staff_problem_info.html", staff_context)
 
     return _get_html
-
diff --git a/common/lib/capa/capa/calc.py b/common/lib/capa/capa/calc.py
index 40ac14308e..0f062d17d5 100644
--- a/common/lib/capa/capa/calc.py
+++ b/common/lib/capa/capa/calc.py
@@ -121,9 +121,9 @@ def evaluator(variables, functions, string, cs=False):
     # confusing. They may also conflict with variables if we ever allow e.g.
     # 5R instead of 5*R
     suffixes = {'%': 0.01, 'k': 1e3, 'M': 1e6, 'G': 1e9,
-              'T': 1e12,#  'P':1e15,'E':1e18,'Z':1e21,'Y':1e24,
+              'T': 1e12,  # 'P':1e15,'E':1e18,'Z':1e21,'Y':1e24,
               'c': 1e-2, 'm': 1e-3, 'u': 1e-6,
-              'n': 1e-9, 'p': 1e-12}#  ,'f':1e-15,'a':1e-18,'z':1e-21,'y':1e-24}
+              'n': 1e-9, 'p': 1e-12}  # ,'f':1e-15,'a':1e-18,'z':1e-21,'y':1e-24}
 
     def super_float(text):
         ''' Like float, but with si extensions. 1k goes to 1000'''
diff --git a/common/lib/capa/capa/capa_problem.py b/common/lib/capa/capa/capa_problem.py
index 4b0faa91a1..9b8bbd7288 100644
--- a/common/lib/capa/capa/capa_problem.py
+++ b/common/lib/capa/capa/capa_problem.py
@@ -75,7 +75,7 @@ global_context = {'random': random,
                   'draganddrop': verifiers.draganddrop}
 
 # These should be removed from HTML output, including all subelements
-html_problem_semantics = ["codeparam", "responseparam", "answer", "script", "hintgroup", "openendedparam","openendedrubric"]
+html_problem_semantics = ["codeparam", "responseparam", "answer", "script", "hintgroup", "openendedparam", "openendedrubric"]
 
 log = logging.getLogger('mitx.' + __name__)
 
@@ -453,7 +453,7 @@ class LoncapaProblem(object):
                 exec code in context, context
             except Exception as err:
                 log.exception("Error while execing script code: " + code)
-                msg = "Error while executing script code: %s" % str(err).replace('<','&lt;')
+                msg = "Error while executing script code: %s" % str(err).replace('<', '&lt;')
                 raise responsetypes.LoncapaProblemError(msg)
             finally:
                 sys.path = original_path
@@ -502,7 +502,7 @@ class LoncapaProblem(object):
                    'id': problemtree.get('id'),
                    'feedback': {'message': msg,
                                 'hint': hint,
-                                'hintmode': hintmode,}}
+                                'hintmode': hintmode, }}
 
             input_type_cls = inputtypes.registry.get_class_for_tag(problemtree.tag)
             the_input = input_type_cls(self.system, problemtree, state)
diff --git a/common/lib/capa/capa/chem/__init__.py b/common/lib/capa/capa/chem/__init__.py
index 8b13789179..e69de29bb2 100644
--- a/common/lib/capa/capa/chem/__init__.py
+++ b/common/lib/capa/capa/chem/__init__.py
@@ -1 +0,0 @@
-
diff --git a/common/lib/capa/capa/chem/chemcalc.py b/common/lib/capa/capa/chem/chemcalc.py
index 389e688cf4..5b80005044 100644
--- a/common/lib/capa/capa/chem/chemcalc.py
+++ b/common/lib/capa/capa/chem/chemcalc.py
@@ -17,17 +17,17 @@ from nltk.tree import Tree
 ARROWS = ('<->', '->')
 
 ## Defines a simple pyparsing tokenizer for chemical equations
-elements = ['Ac','Ag','Al','Am','Ar','As','At','Au','B','Ba','Be',
-            'Bh','Bi','Bk','Br','C','Ca','Cd','Ce','Cf','Cl','Cm',
-            'Cn','Co','Cr','Cs','Cu','Db','Ds','Dy','Er','Es','Eu',
-            'F','Fe','Fl','Fm','Fr','Ga','Gd','Ge','H','He','Hf',
-            'Hg','Ho','Hs','I','In','Ir','K','Kr','La','Li','Lr',
-            'Lu','Lv','Md','Mg','Mn','Mo','Mt','N','Na','Nb','Nd',
-            'Ne','Ni','No','Np','O','Os','P','Pa','Pb','Pd','Pm',
-            'Po','Pr','Pt','Pu','Ra','Rb','Re','Rf','Rg','Rh','Rn',
-            'Ru','S','Sb','Sc','Se','Sg','Si','Sm','Sn','Sr','Ta',
-            'Tb','Tc','Te','Th','Ti','Tl','Tm','U','Uuo','Uup',
-            'Uus','Uut','V','W','Xe','Y','Yb','Zn','Zr']
+elements = ['Ac', 'Ag', 'Al', 'Am', 'Ar', 'As', 'At', 'Au', 'B', 'Ba', 'Be',
+            'Bh', 'Bi', 'Bk', 'Br', 'C', 'Ca', 'Cd', 'Ce', 'Cf', 'Cl', 'Cm',
+            'Cn', 'Co', 'Cr', 'Cs', 'Cu', 'Db', 'Ds', 'Dy', 'Er', 'Es', 'Eu',
+            'F', 'Fe', 'Fl', 'Fm', 'Fr', 'Ga', 'Gd', 'Ge', 'H', 'He', 'Hf',
+            'Hg', 'Ho', 'Hs', 'I', 'In', 'Ir', 'K', 'Kr', 'La', 'Li', 'Lr',
+            'Lu', 'Lv', 'Md', 'Mg', 'Mn', 'Mo', 'Mt', 'N', 'Na', 'Nb', 'Nd',
+            'Ne', 'Ni', 'No', 'Np', 'O', 'Os', 'P', 'Pa', 'Pb', 'Pd', 'Pm',
+            'Po', 'Pr', 'Pt', 'Pu', 'Ra', 'Rb', 'Re', 'Rf', 'Rg', 'Rh', 'Rn',
+            'Ru', 'S', 'Sb', 'Sc', 'Se', 'Sg', 'Si', 'Sm', 'Sn', 'Sr', 'Ta',
+            'Tb', 'Tc', 'Te', 'Th', 'Ti', 'Tl', 'Tm', 'U', 'Uuo', 'Uup',
+            'Uus', 'Uut', 'V', 'W', 'Xe', 'Y', 'Yb', 'Zn', 'Zr']
 digits = map(str, range(10))
 symbols = list("[](){}^+-/")
 phases = ["(s)", "(l)", "(g)", "(aq)"]
@@ -252,7 +252,7 @@ def _get_final_tree(s):
     '''
     tokenized = tokenizer.parseString(s)
     parsed = parser.parse(tokenized)
-    merged = _merge_children(parsed, {'S','group'})
+    merged = _merge_children(parsed, {'S', 'group'})
     final = _clean_parse_tree(merged)
     return final
 
diff --git a/common/lib/capa/capa/correctmap.py b/common/lib/capa/capa/correctmap.py
index c7386219b1..a78b10d07a 100644
--- a/common/lib/capa/capa/correctmap.py
+++ b/common/lib/capa/capa/correctmap.py
@@ -3,6 +3,7 @@
 #
 # Used by responsetypes and capa_problem
 
+
 class CorrectMap(object):
     """
     Stores map between answer_id and response evaluation result for each question
@@ -152,6 +153,3 @@ class CorrectMap(object):
         if not isinstance(other_cmap, CorrectMap):
             raise Exception('CorrectMap.update called with invalid argument %s' % other_cmap)
         self.cmap.update(other_cmap.get_dict())
-
-
-
diff --git a/common/lib/capa/capa/customrender.py b/common/lib/capa/capa/customrender.py
index ef1044e8b1..a925a5970d 100644
--- a/common/lib/capa/capa/customrender.py
+++ b/common/lib/capa/capa/customrender.py
@@ -22,6 +22,8 @@ log = logging.getLogger('mitx.' + __name__)
 registry = TagRegistry()
 
 #-----------------------------------------------------------------------------
+
+
 class MathRenderer(object):
     tags = ['math']
 
@@ -77,6 +79,7 @@ registry.register(MathRenderer)
 
 #-----------------------------------------------------------------------------
 
+
 class SolutionRenderer(object):
     '''
     A solution is just a <span>...</span> which is given an ID, that is used for displaying an
@@ -97,4 +100,3 @@ class SolutionRenderer(object):
         return etree.XML(html)
 
 registry.register(SolutionRenderer)
-
diff --git a/common/lib/capa/capa/inputtypes.py b/common/lib/capa/capa/inputtypes.py
index 0b0e86ce66..951104501a 100644
--- a/common/lib/capa/capa/inputtypes.py
+++ b/common/lib/capa/capa/inputtypes.py
@@ -54,6 +54,7 @@ log = logging.getLogger('mitx.' + __name__)
 
 registry = TagRegistry()
 
+
 class Attribute(object):
     """
     Allows specifying required and optional attributes for input types.
@@ -413,7 +414,7 @@ class JavascriptInput(InputTypeBase):
         return [Attribute('params', None),
                 Attribute('problem_state', None),
                 Attribute('display_class', None),
-                Attribute('display_file', None),]
+                Attribute('display_file', None), ]
 
 
     def setup(self):
@@ -477,12 +478,13 @@ class TextLine(InputTypeBase):
 
     def _extra_context(self):
         return {'do_math': self.do_math,
-                'preprocessor': self.preprocessor,}
+                'preprocessor': self.preprocessor, }
 
 registry.register(TextLine)
 
 #-----------------------------------------------------------------------------
 
+
 class FileSubmission(InputTypeBase):
     """
     Upload some files (e.g. for programming assignments)
@@ -508,7 +510,7 @@ class FileSubmission(InputTypeBase):
         Convert the list of allowed files to a convenient format.
         """
         return [Attribute('allowed_files', '[]', transform=cls.parse_files),
-                Attribute('required_files', '[]', transform=cls.parse_files),]
+                Attribute('required_files', '[]', transform=cls.parse_files), ]
 
     def setup(self):
         """
@@ -524,7 +526,7 @@ class FileSubmission(InputTypeBase):
             self.msg = FileSubmission.submitted_msg
 
     def _extra_context(self):
-        return {'queue_len': self.queue_len,}
+        return {'queue_len': self.queue_len, }
         return context
 
 registry.register(FileSubmission)
@@ -582,7 +584,7 @@ class CodeInput(InputTypeBase):
 
     def _extra_context(self):
         """Defined queue_len, add it """
-        return {'queue_len': self.queue_len,}
+        return {'queue_len': self.queue_len, }
 
 registry.register(CodeInput)
 
@@ -606,7 +608,7 @@ class Schematic(InputTypeBase):
             Attribute('parts', None),
             Attribute('analyses', None),
             Attribute('initial_value', None),
-            Attribute('submit_analyses', None),]
+            Attribute('submit_analyses', None), ]
 
         return context
 
@@ -614,6 +616,7 @@ registry.register(Schematic)
 
 #-----------------------------------------------------------------------------
 
+
 class ImageInput(InputTypeBase):
     """
     Clickable image as an input field.  Element should specify the image source, height,
@@ -635,7 +638,7 @@ class ImageInput(InputTypeBase):
         """
         return [Attribute('src'),
                 Attribute('height'),
-                Attribute('width'),]
+                Attribute('width'), ]
 
 
     def setup(self):
@@ -660,6 +663,7 @@ registry.register(ImageInput)
 
 #-----------------------------------------------------------------------------
 
+
 class Crystallography(InputTypeBase):
     """
     An input for crystallography -- user selects 3 points on the axes, and we get a plane.
@@ -728,18 +732,19 @@ class ChemicalEquationInput(InputTypeBase):
         """
         Can set size of text field.
         """
-        return [Attribute('size', '20'),]
+        return [Attribute('size', '20'), ]
 
     def _extra_context(self):
         """
         TODO (vshnayder): Get rid of this once we have a standard way of requiring js to be loaded.
         """
-        return {'previewer': '/static/js/capa/chemical_equation_preview.js',}
+        return {'previewer': '/static/js/capa/chemical_equation_preview.js', }
 
 registry.register(ChemicalEquationInput)
 
 #-----------------------------------------------------------------------------
 
+
 class DragAndDropInput(InputTypeBase):
     """
     Input for drag and drop problems. Allows student to drag and drop images and
@@ -829,3 +834,108 @@ class DragAndDropInput(InputTypeBase):
 registry.register(DragAndDropInput)
 
 #--------------------------------------------------------------------------------------------------------------------
+
+
+class EditAMoleculeInput(InputTypeBase):
+    """
+    An input type for edit-a-molecule.  Integrates with the molecule editor java applet.
+
+    Example:
+
+    <editamolecule size="50"/>
+
+    options: size -- width of the textbox.
+    """
+
+    template = "editamolecule.html"
+    tags = ['editamoleculeinput']
+
+    @classmethod
+    def get_attributes(cls):
+        """
+        Can set size of text field.
+        """
+        return [Attribute('file'),
+                Attribute('missing', None)]
+
+    def _extra_context(self):
+        """
+        """
+        context = {
+            'applet_loader': '/static/js/capa/editamolecule.js',
+        }
+
+        return context
+
+registry.register(EditAMoleculeInput)
+
+#-----------------------------------------------------------------------------
+
+class DesignProtein2dInput(InputTypeBase):
+    """
+    An input type for design of a protein in 2D. Integrates with the Protex java applet.
+
+    Example:
+
+    <designprotein2d width="800" hight="500" target_shape="E;NE;NW;W;SW;E;none" />
+    """
+
+    template = "designprotein2dinput.html"
+    tags = ['designprotein2dinput']
+
+    @classmethod
+    def get_attributes(cls):
+        """
+        Note: width, hight, and target_shape are required.
+        """
+        return [Attribute('width'),
+                Attribute('height'),
+                Attribute('target_shape')
+                ]
+
+    def _extra_context(self):
+        """
+        """
+        context = {
+            'applet_loader': '/static/js/capa/design-protein-2d.js',
+        }
+
+        return context
+
+registry.register(DesignProtein2dInput)
+
+#-----------------------------------------------------------------------------
+
+class EditAGeneInput(InputTypeBase):
+    """
+        An input type for editing a gene. Integrates with the genex java applet.
+        
+        Example:
+        
+        <editagene width="800" hight="500" dna_sequence="ETAAGGCTATAACCGA" />
+        """
+    
+    template = "editageneinput.html"
+    tags = ['editageneinput']
+    
+    @classmethod
+    def get_attributes(cls):
+        """
+            Note: width, hight, and dna_sequencee are required.
+            """
+        return [Attribute('width'),
+                Attribute('height'),
+                Attribute('dna_sequence')
+                ]
+    
+    def _extra_context(self):
+        """
+            """
+        context = {
+            'applet_loader': '/static/js/capa/edit-a-gene.js',
+        }
+        
+        return context
+
+registry.register(EditAGeneInput)
+
diff --git a/common/lib/capa/capa/responsetypes.py b/common/lib/capa/capa/responsetypes.py
index 5f0e1639b2..ad084bdaf7 100644
--- a/common/lib/capa/capa/responsetypes.py
+++ b/common/lib/capa/capa/responsetypes.py
@@ -186,9 +186,9 @@ class LoncapaResponse(object):
         tree = etree.Element('span')
 
         # problem author can make this span display:inline
-        if self.xml.get('inline',''):
-            tree.set('class','inline')
-            
+        if self.xml.get('inline', ''):
+            tree.set('class', 'inline')
+
         for item in self.xml:
             # call provided procedure to do the rendering
             item_xhtml = renderer(item)
@@ -875,7 +875,8 @@ def sympy_check2():
 
     allowed_inputfields = ['textline', 'textbox', 'crystallography',
                             'chemicalequationinput', 'vsepr_input',
-                            'drag_and_drop_input']
+                            'drag_and_drop_input', 'editamoleculeinput',
+                            'designprotein2dinput', 'editageneinput']
 
     def setup_response(self):
         xml = self.xml
@@ -998,7 +999,7 @@ def sympy_check2():
         self.context['debug'] = self.system.DEBUG
 
         # exec the check function
-        if type(self.code) == str:
+        if isinstance(self.code, basestring):
             try:
                 exec self.code in self.context['global_context'], self.context
                 correct = self.context['correct']
@@ -1294,7 +1295,7 @@ class CodeResponse(LoncapaResponse):
 
         # State associated with the queueing request
         queuestate = {'key': queuekey,
-                      'time': qtime,}
+                      'time': qtime, }
 
         cmap = CorrectMap()
         if error:
diff --git a/common/lib/capa/capa/templates/chemicalequationinput.html b/common/lib/capa/capa/templates/chemicalequationinput.html
index becd2a330a..dd177dc920 100644
--- a/common/lib/capa/capa/templates/chemicalequationinput.html
+++ b/common/lib/capa/capa/templates/chemicalequationinput.html
@@ -31,7 +31,6 @@
 
       <div id="input_${id}_preview" class="equation">
       </div>
-      
   <p id="answer_${id}" class="answer"></p>
 
 % if status in ['unsubmitted', 'correct', 'incorrect', 'incomplete']:
diff --git a/common/lib/capa/capa/templates/designprotein2dinput.html b/common/lib/capa/capa/templates/designprotein2dinput.html
new file mode 100644
index 0000000000..ff845f8713
--- /dev/null
+++ b/common/lib/capa/capa/templates/designprotein2dinput.html
@@ -0,0 +1,35 @@
+<section id="designprotein2dinput_${id}" class="designprotein2dinput">
+    <div class="script_placeholder" data-src="/static/js/capa/protex/protex.nocache.js"/>
+    <div class="script_placeholder" data-src="${applet_loader}"/>
+
+    % if status == 'unsubmitted':
+    <div class="unanswered" id="status_${id}">
+    % elif status == 'correct':
+    <div class="correct" id="status_${id}">
+    % elif status == 'incorrect':
+    <div class="incorrect" id="status_${id}">
+    % elif status == 'incomplete':
+    <div class="incomplete" id="status_${id}">
+    % endif
+    
+    <div id="protex_container"></div>
+    <input type="hidden" name="target_shape" id="target_shape" value ="${target_shape}"></input>
+    <input type="hidden" name="input_${id}" id="input_${id}" value="${value|h}"/>
+
+    <p class="status">
+      % if status == 'unsubmitted':
+      unanswered
+      % elif status == 'correct':
+      correct
+      % elif status == 'incorrect':
+      incorrect
+      % elif status == 'incomplete':
+      incomplete
+      % endif
+    </p>
+
+    <p id="answer_${id}" class="answer"></p>
+  % if status in ['unsubmitted', 'correct', 'incorrect', 'incomplete']:
+  </div>
+% endif
+</section>
diff --git a/common/lib/capa/capa/templates/editageneinput.html b/common/lib/capa/capa/templates/editageneinput.html
new file mode 100644
index 0000000000..8dd4fa89d1
--- /dev/null
+++ b/common/lib/capa/capa/templates/editageneinput.html
@@ -0,0 +1,39 @@
+<section id="editageneinput_${id}" class="editageneinput">
+    <div class="script_placeholder" data-src="${applet_loader}"/>
+
+    % if status == 'unsubmitted':
+    <div class="unanswered" id="status_${id}">
+    % elif status == 'correct':
+    <div class="correct" id="status_${id}">
+    % elif status == 'incorrect':
+    <div class="incorrect" id="status_${id}">
+    % elif status == 'incomplete':
+    <div class="incorrect" id="status_${id}">
+    % endif
+
+    <object type="application/x-java-applet" id="applet_${id}" class="applet" width="${width}" height="${height}">
+      <param name="archive" value="/static/applets/capa/genex.jar" />
+      <param name="code" value="GX.GenexApplet.class" />
+      <param name="DNA_SEQUENCE" value="${dna_sequence}" />
+      Applet failed to run.  No Java plug-in was found.
+    </object>
+
+    <input type="hidden" name="input_${id}" id="input_${id}" value="${value|h}"/>
+
+    <p class="status">
+      % if status == 'unsubmitted':
+      unanswered
+      % elif status == 'correct':
+      correct
+      % elif status == 'incorrect':
+      incorrect
+      % elif status == 'incomplete':
+      incomplete
+      % endif
+    </p>
+
+    <p id="answer_${id}" class="answer"></p>
+  % if status in ['unsubmitted', 'correct', 'incorrect', 'incomplete']:
+  </div>
+% endif
+</section>
diff --git a/common/lib/capa/capa/templates/editamolecule.html b/common/lib/capa/capa/templates/editamolecule.html
new file mode 100644
index 0000000000..5658c26e22
--- /dev/null
+++ b/common/lib/capa/capa/templates/editamolecule.html
@@ -0,0 +1,43 @@
+<section id="editamoleculeinput_${id}" class="editamoleculeinput">
+  <div class="script_placeholder" data-src="${applet_loader}"/>
+
+  % if status == 'unsubmitted':
+  <div class="unanswered" id="status_${id}">
+  % elif status == 'correct':
+  <div class="correct" id="status_${id}">
+  % elif status == 'incorrect':
+  <div class="incorrect" id="status_${id}">
+  % elif status == 'incomplete':
+  <div class="incorrect" id="status_${id}">
+  % endif
+
+    <div id="applet_${id}" class="applet" data-molfile-src="${file}" style="display:block;width:500px;height:400px">
+    </div>
+
+    <br/>
+
+    <input type="hidden" name="input_${id}" id="input_${id}" value="${value|h}"/>
+
+    <button id="reset_${id}" class="reset">Reset</button>
+
+    <p id="answer_${id}" class="answer"></p>
+
+    <p class="status">
+      % if status == 'unsubmitted':
+      unanswered
+      % elif status == 'correct':
+      correct
+      % elif status == 'incorrect':
+      incorrect
+      % elif status == 'incomplete':
+      incomplete
+      % endif
+    </p>
+    <br/> <br/>
+
+    <div class="error_message" style="padding: 5px 5px 5px 5px; background-color:#FA6666; height:60px;width:400px; display: none"></div>
+
+  % if status in ['unsubmitted', 'correct', 'incorrect', 'incomplete']:
+  </div>
+  % endif
+</section>
diff --git a/common/lib/capa/capa/tests/__init__.py b/common/lib/capa/capa/tests/__init__.py
index b06975f6ce..89cb5a5ee9 100644
--- a/common/lib/capa/capa/tests/__init__.py
+++ b/common/lib/capa/capa/tests/__init__.py
@@ -8,6 +8,7 @@ import xml.sax.saxutils as saxutils
 
 TEST_DIR = os.path.dirname(os.path.realpath(__file__))
 
+
 def tst_render_template(template, context):
     """
     A test version of render to template.  Renders to the repr of the context, completely ignoring
@@ -25,7 +26,7 @@ test_system = Mock(
     user=Mock(),
     filestore=fs.osfs.OSFS(os.path.join(TEST_DIR, "test_files")),
     debug=True,
-    xqueue={'interface':None, 'callback_url':'/', 'default_queuename': 'testqueue', 'waittime': 10},
+    xqueue={'interface': None, 'callback_url': '/', 'default_queuename': 'testqueue', 'waittime': 10},
     node_path=os.environ.get("NODE_PATH", "/usr/local/lib/node_modules"),
-    anonymous_student_id = 'student'
+    anonymous_student_id='student'
 )
diff --git a/common/lib/capa/capa/tests/test_customrender.py b/common/lib/capa/capa/tests/test_customrender.py
index 7208ab2941..eece275b05 100644
--- a/common/lib/capa/capa/tests/test_customrender.py
+++ b/common/lib/capa/capa/tests/test_customrender.py
@@ -8,6 +8,7 @@ from capa import customrender
 # just a handy shortcut
 lookup_tag = customrender.registry.get_class_for_tag
 
+
 def extract_context(xml):
     """
     Given an xml element corresponding to the output of test_system.render_template, get back the
@@ -15,9 +16,11 @@ def extract_context(xml):
     """
     return eval(xml.text)
 
+
 def quote_attr(s):
     return saxutils.quoteattr(s)[1:-1]  # don't want the outer quotes
 
+
 class HelperTest(unittest.TestCase):
     '''
     Make sure that our helper function works!
@@ -50,7 +53,7 @@ class SolutionRenderTest(unittest.TestCase):
         # our test_system "renders" templates to a div with the repr of the context
         xml = renderer.get_html()
         context = extract_context(xml)
-        self.assertEqual(context, {'id' : 'solution_12'})
+        self.assertEqual(context, {'id': 'solution_12'})
 
 
 class MathRenderTest(unittest.TestCase):
@@ -65,12 +68,11 @@ class MathRenderTest(unittest.TestCase):
         renderer = lookup_tag('math')(test_system, element)
 
         self.assertEqual(renderer.mathstr, mathjax_out)
-    
+
     def test_parsing(self):
         self.check_parse('$abc$', '[mathjaxinline]abc[/mathjaxinline]')
         self.check_parse('$abc', '$abc')
         self.check_parse(r'$\displaystyle 2+2$', '[mathjax] 2+2[/mathjax]')
-        
+
 
     # NOTE: not testing get_html yet because I don't understand why it's doing what it's doing.
-        
diff --git a/common/lib/capa/capa/tests/test_files/js/.gitignore b/common/lib/capa/capa/tests/test_files/js/.gitignore
new file mode 100644
index 0000000000..d2910668f2
--- /dev/null
+++ b/common/lib/capa/capa/tests/test_files/js/.gitignore
@@ -0,0 +1,4 @@
+test_problem_display.js
+test_problem_generator.js
+test_problem_grader.js
+xproblem.js
\ No newline at end of file
diff --git a/common/lib/capa/capa/tests/test_files/js/test_problem_display.js b/common/lib/capa/capa/tests/test_files/js/test_problem_display.js
deleted file mode 100644
index b61569acea..0000000000
--- a/common/lib/capa/capa/tests/test_files/js/test_problem_display.js
+++ /dev/null
@@ -1,49 +0,0 @@
-// Generated by CoffeeScript 1.4.0
-(function() {
-  var MinimaxProblemDisplay, root,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-
-  MinimaxProblemDisplay = (function(_super) {
-
-    __extends(MinimaxProblemDisplay, _super);
-
-    function MinimaxProblemDisplay(state, submission, evaluation, container, submissionField, parameters) {
-      this.state = state;
-      this.submission = submission;
-      this.evaluation = evaluation;
-      this.container = container;
-      this.submissionField = submissionField;
-      this.parameters = parameters != null ? parameters : {};
-      MinimaxProblemDisplay.__super__.constructor.call(this, this.state, this.submission, this.evaluation, this.container, this.submissionField, this.parameters);
-    }
-
-    MinimaxProblemDisplay.prototype.render = function() {};
-
-    MinimaxProblemDisplay.prototype.createSubmission = function() {
-      var id, value, _ref, _results;
-      this.newSubmission = {};
-      if (this.submission != null) {
-        _ref = this.submission;
-        _results = [];
-        for (id in _ref) {
-          value = _ref[id];
-          _results.push(this.newSubmission[id] = value);
-        }
-        return _results;
-      }
-    };
-
-    MinimaxProblemDisplay.prototype.getCurrentSubmission = function() {
-      return this.newSubmission;
-    };
-
-    return MinimaxProblemDisplay;
-
-  })(XProblemDisplay);
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.TestProblemDisplay = TestProblemDisplay;
-
-}).call(this);
diff --git a/common/lib/capa/capa/tests/test_files/js/test_problem_generator.js b/common/lib/capa/capa/tests/test_files/js/test_problem_generator.js
deleted file mode 100644
index 4b1d133723..0000000000
--- a/common/lib/capa/capa/tests/test_files/js/test_problem_generator.js
+++ /dev/null
@@ -1,29 +0,0 @@
-// Generated by CoffeeScript 1.4.0
-(function() {
-  var TestProblemGenerator, root,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-
-  TestProblemGenerator = (function(_super) {
-
-    __extends(TestProblemGenerator, _super);
-
-    function TestProblemGenerator(seed, parameters) {
-      this.parameters = parameters != null ? parameters : {};
-      TestProblemGenerator.__super__.constructor.call(this, seed, this.parameters);
-    }
-
-    TestProblemGenerator.prototype.generate = function() {
-      this.problemState.value = this.parameters.value;
-      return this.problemState;
-    };
-
-    return TestProblemGenerator;
-
-  })(XProblemGenerator);
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.generatorClass = TestProblemGenerator;
-
-}).call(this);
diff --git a/common/lib/capa/capa/tests/test_files/js/test_problem_grader.js b/common/lib/capa/capa/tests/test_files/js/test_problem_grader.js
deleted file mode 100644
index 80d7ad1690..0000000000
--- a/common/lib/capa/capa/tests/test_files/js/test_problem_grader.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// Generated by CoffeeScript 1.4.0
-(function() {
-  var TestProblemGrader, root,
-    __hasProp = {}.hasOwnProperty,
-    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
-
-  TestProblemGrader = (function(_super) {
-
-    __extends(TestProblemGrader, _super);
-
-    function TestProblemGrader(submission, problemState, parameters) {
-      this.submission = submission;
-      this.problemState = problemState;
-      this.parameters = parameters != null ? parameters : {};
-      TestProblemGrader.__super__.constructor.call(this, this.submission, this.problemState, this.parameters);
-    }
-
-    TestProblemGrader.prototype.solve = function() {
-      return this.solution = {
-        0: this.problemState.value
-      };
-    };
-
-    TestProblemGrader.prototype.grade = function() {
-      var allCorrect, id, value, valueCorrect, _ref;
-      if (!(this.solution != null)) {
-        this.solve();
-      }
-      allCorrect = true;
-      _ref = this.solution;
-      for (id in _ref) {
-        value = _ref[id];
-        valueCorrect = this.submission != null ? value === this.submission[id] : false;
-        this.evaluation[id] = valueCorrect;
-        if (!valueCorrect) {
-          allCorrect = false;
-        }
-      }
-      return allCorrect;
-    };
-
-    return TestProblemGrader;
-
-  })(XProblemGrader);
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.graderClass = TestProblemGrader;
-
-}).call(this);
diff --git a/common/lib/capa/capa/tests/test_files/js/xproblem.js b/common/lib/capa/capa/tests/test_files/js/xproblem.js
deleted file mode 100644
index 55a469f7c1..0000000000
--- a/common/lib/capa/capa/tests/test_files/js/xproblem.js
+++ /dev/null
@@ -1,78 +0,0 @@
-// Generated by CoffeeScript 1.4.0
-(function() {
-  var XProblemDisplay, XProblemGenerator, XProblemGrader, root;
-
-  XProblemGenerator = (function() {
-
-    function XProblemGenerator(seed, parameters) {
-      this.parameters = parameters != null ? parameters : {};
-      this.random = new MersenneTwister(seed);
-      this.problemState = {};
-    }
-
-    XProblemGenerator.prototype.generate = function() {
-      return console.error("Abstract method called: XProblemGenerator.generate");
-    };
-
-    return XProblemGenerator;
-
-  })();
-
-  XProblemDisplay = (function() {
-
-    function XProblemDisplay(state, submission, evaluation, container, submissionField, parameters) {
-      this.state = state;
-      this.submission = submission;
-      this.evaluation = evaluation;
-      this.container = container;
-      this.submissionField = submissionField;
-      this.parameters = parameters != null ? parameters : {};
-    }
-
-    XProblemDisplay.prototype.render = function() {
-      return console.error("Abstract method called: XProblemDisplay.render");
-    };
-
-    XProblemDisplay.prototype.updateSubmission = function() {
-      return this.submissionField.val(JSON.stringify(this.getCurrentSubmission()));
-    };
-
-    XProblemDisplay.prototype.getCurrentSubmission = function() {
-      return console.error("Abstract method called: XProblemDisplay.getCurrentSubmission");
-    };
-
-    return XProblemDisplay;
-
-  })();
-
-  XProblemGrader = (function() {
-
-    function XProblemGrader(submission, problemState, parameters) {
-      this.submission = submission;
-      this.problemState = problemState;
-      this.parameters = parameters != null ? parameters : {};
-      this.solution = null;
-      this.evaluation = {};
-    }
-
-    XProblemGrader.prototype.solve = function() {
-      return console.error("Abstract method called: XProblemGrader.solve");
-    };
-
-    XProblemGrader.prototype.grade = function() {
-      return console.error("Abstract method called: XProblemGrader.grade");
-    };
-
-    return XProblemGrader;
-
-  })();
-
-  root = typeof exports !== "undefined" && exports !== null ? exports : this;
-
-  root.XProblemGenerator = XProblemGenerator;
-
-  root.XProblemDisplay = XProblemDisplay;
-
-  root.XProblemGrader = XProblemGrader;
-
-}).call(this);
diff --git a/common/lib/capa/capa/tests/test_inputtypes.py b/common/lib/capa/capa/tests/test_inputtypes.py
index 6c282baf95..4a5ea5c429 100644
--- a/common/lib/capa/capa/tests/test_inputtypes.py
+++ b/common/lib/capa/capa/tests/test_inputtypes.py
@@ -31,6 +31,7 @@ lookup_tag = inputtypes.registry.get_class_for_tag
 def quote_attr(s):
     return saxutils.quoteattr(s)[1:-1]  # don't want the outer quotes
 
+
 class OptionInputTest(unittest.TestCase):
     '''
     Make sure option inputs work
@@ -100,7 +101,7 @@ class ChoiceGroupTest(unittest.TestCase):
                     'input_type': expected_input_type,
                     'choices': [('foil1', '<text>This is foil One.</text>'),
                                 ('foil2', '<text>This is foil Two.</text>'),
-                                ('foil3', 'This is foil Three.'),],
+                                ('foil3', 'This is foil Three.'), ],
                     'name_array_suffix': expected_suffix,   # what is this for??
                     }
 
@@ -137,7 +138,7 @@ class JavascriptInputTest(unittest.TestCase):
 
         element = etree.fromstring(xml_str)
 
-        state = {'value': '3',}
+        state = {'value': '3', }
         the_input = lookup_tag('javascriptinput')(test_system, element, state)
 
         context = the_input._get_render_context()
@@ -149,7 +150,7 @@ class JavascriptInputTest(unittest.TestCase):
                     'params': params,
                     'display_file': display_file,
                     'display_class': display_class,
-                    'problem_state': problem_state,}
+                    'problem_state': problem_state, }
 
         self.assertEqual(context, expected)
 
@@ -165,7 +166,7 @@ class TextLineTest(unittest.TestCase):
 
         element = etree.fromstring(xml_str)
 
-        state = {'value': 'BumbleBee',}
+        state = {'value': 'BumbleBee', }
         the_input = lookup_tag('textline')(test_system, element, state)
 
         context = the_input._get_render_context()
@@ -193,7 +194,7 @@ class TextLineTest(unittest.TestCase):
 
         element = etree.fromstring(xml_str)
 
-        state = {'value': 'BumbleBee',}
+        state = {'value': 'BumbleBee', }
         the_input = lookup_tag('textline')(test_system, element, state)
 
         context = the_input._get_render_context()
@@ -231,7 +232,7 @@ class FileSubmissionTest(unittest.TestCase):
 
         state = {'value': 'BumbleBee.py',
                  'status': 'incomplete',
-                 'feedback' : {'message': '3'}, }
+                 'feedback': {'message': '3'}, }
         input_class = lookup_tag('filesubmission')
         the_input = input_class(test_system, element, state)
 
@@ -275,7 +276,7 @@ class CodeInputTest(unittest.TestCase):
 
         state = {'value': 'print "good evening"',
                  'status': 'incomplete',
-                 'feedback' : {'message': '3'}, }
+                 'feedback': {'message': '3'}, }
 
         input_class = lookup_tag('codeinput')
         the_input = input_class(test_system, element, state)
@@ -488,7 +489,7 @@ class ChemicalEquationTest(unittest.TestCase):
 
         element = etree.fromstring(xml_str)
 
-        state = {'value': 'H2OYeah',}
+        state = {'value': 'H2OYeah', }
         the_input = lookup_tag('chemicalequationinput')(test_system, element, state)
 
         context = the_input._get_render_context()
diff --git a/common/lib/capa/capa/tests/test_responsetypes.py b/common/lib/capa/capa/tests/test_responsetypes.py
index 9eecef3986..18da338b91 100644
--- a/common/lib/capa/capa/tests/test_responsetypes.py
+++ b/common/lib/capa/capa/tests/test_responsetypes.py
@@ -16,6 +16,7 @@ from capa.correctmap import CorrectMap
 from capa.util import convert_files_to_filenames
 from capa.xqueue_interface import dateformat
 
+
 class MultiChoiceTest(unittest.TestCase):
     def test_MC_grade(self):
         multichoice_file = os.path.dirname(__file__) + "/test_files/multichoice.xml"
@@ -295,16 +296,16 @@ class CodeResponseTest(unittest.TestCase):
             old_cmap = CorrectMap()
             for i, answer_id in enumerate(answer_ids):
                 queuekey = 1000 + i
-                queuestate = CodeResponseTest.make_queuestate(1000+i, datetime.now())
+                queuestate = CodeResponseTest.make_queuestate(1000 + i, datetime.now())
                 old_cmap.update(CorrectMap(answer_id=answer_ids[i], queuestate=queuestate))
 
             # Message format common to external graders
-            grader_msg = '<span>MESSAGE</span>' # Must be valid XML
-            correct_score_msg = json.dumps({'correct':True, 'score':1, 'msg': grader_msg})
-            incorrect_score_msg = json.dumps({'correct':False, 'score':0, 'msg': grader_msg})
+            grader_msg = '<span>MESSAGE</span>'   # Must be valid XML
+            correct_score_msg = json.dumps({'correct': True, 'score': 1, 'msg': grader_msg})
+            incorrect_score_msg = json.dumps({'correct': False, 'score': 0, 'msg': grader_msg})
 
             xserver_msgs = {'correct': correct_score_msg,
-                            'incorrect': incorrect_score_msg,}
+                            'incorrect': incorrect_score_msg, }
 
             # Incorrect queuekey, state should not be updated
             for correctness in ['correct', 'incorrect']:
@@ -325,7 +326,7 @@ class CodeResponseTest(unittest.TestCase):
 
                     new_cmap = CorrectMap()
                     new_cmap.update(old_cmap)
-                    npoints = 1 if correctness=='correct' else 0
+                    npoints = 1 if correctness == 'correct' else 0
                     new_cmap.set(answer_id=answer_id, npoints=npoints, correctness=correctness, msg=grader_msg, queuestate=None)
 
                     test_lcp.update_score(xserver_msgs[correctness], queuekey=1000 + i)
@@ -361,7 +362,7 @@ class CodeResponseTest(unittest.TestCase):
             for i, answer_id in enumerate(answer_ids):
                 queuekey = 1000 + i
                 latest_timestamp = datetime.now()
-                queuestate = CodeResponseTest.make_queuestate(1000+i, latest_timestamp)
+                queuestate = CodeResponseTest.make_queuestate(1000 + i, latest_timestamp)
                 cmap.update(CorrectMap(answer_id=answer_id, queuestate=queuestate))
             test_lcp.correct_map.update(cmap)
 
@@ -412,6 +413,7 @@ class ChoiceResponseTest(unittest.TestCase):
         self.assertEquals(test_lcp.grade_answers(test_answers).get_correctness('1_3_1'), 'incorrect')
         self.assertEquals(test_lcp.grade_answers(test_answers).get_correctness('1_4_1'), 'correct')
 
+
 class JavascriptResponseTest(unittest.TestCase):
 
     def test_jr_grade(self):
@@ -424,4 +426,3 @@ class JavascriptResponseTest(unittest.TestCase):
 
         self.assertEquals(test_lcp.grade_answers(incorrect_answers).get_correctness('1_2_1'), 'incorrect')
         self.assertEquals(test_lcp.grade_answers(correct_answers).get_correctness('1_2_1'), 'correct')
-
diff --git a/common/lib/capa/capa/util.py b/common/lib/capa/capa/util.py
index 0df58c216f..a0f25c4947 100644
--- a/common/lib/capa/capa/util.py
+++ b/common/lib/capa/capa/util.py
@@ -51,15 +51,17 @@ def convert_files_to_filenames(answers):
     new_answers = dict()
     for answer_id in answers.keys():
         answer = answers[answer_id]
-        if is_list_of_files(answer): # Files are stored as a list, even if one file
+        if is_list_of_files(answer):   # Files are stored as a list, even if one file
             new_answers[answer_id] = [f.name for f in answer]
         else:
             new_answers[answer_id] = answers[answer_id]
     return new_answers
 
+
 def is_list_of_files(files):
     return isinstance(files, list) and all(is_file(f) for f in files)
 
+
 def is_file(file_to_test):
     '''
     Duck typing to check if 'file_to_test' is a File object
@@ -79,11 +81,10 @@ def find_with_default(node, path, default):
 
     Returns:
        node.find(path).text if the find succeeds, default otherwise.
-       
+
     """
     v = node.find(path)
     if v is not None:
         return v.text
     else:
         return default
-
diff --git a/common/lib/capa/capa/xqueue_interface.py b/common/lib/capa/capa/xqueue_interface.py
index 798867955b..8dbe2c84aa 100644
--- a/common/lib/capa/capa/xqueue_interface.py
+++ b/common/lib/capa/capa/xqueue_interface.py
@@ -10,6 +10,7 @@ import requests
 log = logging.getLogger('mitx.' + __name__)
 dateformat = '%Y%m%d%H%M%S'
 
+
 def make_hashkey(seed):
     '''
     Generate a string key by hashing
@@ -29,9 +30,9 @@ def make_xheader(lms_callback_url, lms_key, queue_name):
           'queue_name': designate a specific queue within xqueue server, e.g. 'MITx-6.00x' (string)
         }
     """
-    return json.dumps({ 'lms_callback_url': lms_callback_url,
+    return json.dumps({'lms_callback_url': lms_callback_url,
                         'lms_key': lms_key,
-                        'queue_name': queue_name })
+                        'queue_name': queue_name})
 
 
 def parse_xreply(xreply):
@@ -96,18 +97,18 @@ class XQueueInterface(object):
 
 
     def _login(self):
-        payload = { 'username': self.auth['username'],
-                    'password': self.auth['password'] }
+        payload = {'username': self.auth['username'],
+                    'password': self.auth['password']}
         return self._http_post(self.url + '/xqueue/login/', payload)
 
 
     def _send_to_queue(self, header, body, files_to_upload):
         payload = {'xqueue_header': header,
-                   'xqueue_body'  : body}
+                   'xqueue_body': body}
         files = {}
         if files_to_upload is not None:
             for f in files_to_upload:
-                files.update({ f.name: f })
+                files.update({f.name: f})
 
         return self._http_post(self.url + '/xqueue/submit/', payload, files=files)
 
diff --git a/common/lib/sample-post.py b/common/lib/sample-post.py
new file mode 100644
index 0000000000..a4985689bf
--- /dev/null
+++ b/common/lib/sample-post.py
@@ -0,0 +1,71 @@
+# A simple script demonstrating how to have an external program post problem
+# responses to an edx server.
+#
+# ***** NOTE *****
+# This is not intended as a stable public API.  In fact, it is almost certainly
+# going to change.  If you use this for some reason, be prepared to change your
+# code.
+#
+# We will be working to define a stable public API for external programs.  We
+# don't have have one yet (Feb 2013).
+
+
+import requests
+import sys
+import getpass
+
+def prompt(msg, default=None, safe=False):
+    d = ' [{0}]'.format(default) if default is not None else ''
+    prompt = 'Enter {msg}{default}: '.format(msg=msg, default=d)
+    if not safe:
+        print prompt
+        x = sys.stdin.readline().strip()
+    else:
+        x = getpass.getpass(prompt=prompt)
+    if x == '' and default is not None:
+        return default
+    return x
+
+server = 'https://www.edx.org'
+course_id = 'HarvardX/PH207x/2012_Fall'
+location = 'i4x://HarvardX/PH207x/problem/ex_practice_2'
+
+#server = prompt('Server (no trailing slash)',  'http://127.0.0.1:8000')
+#course_id = prompt('Course id', 'MITx/7012x/2013_Spring')
+#location = prompt('problem location', 'i4x://MITx/7012x/problem/example_upload_answer')
+value = prompt('value to upload')
+
+username = prompt('username on server', 'victor@edx.org')
+password = prompt('password', 'abc123', safe=True)
+
+print "get csrf cookie"
+session = requests.session()
+r = session.get(server + '/')
+r.raise_for_status()
+
+# print session.cookies
+
+# for some reason, the server expects a header containing the csrf cookie, not just the
+# cookie itself.
+session.headers['X-CSRFToken'] = session.cookies['csrftoken']
+# for https, need a referer header
+session.headers['Referer'] = server + '/'
+login_url = '/'.join([server, 'login'])
+
+print "log in"
+r = session.post(login_url, {'email': 'victor@edx.org', 'password': 'Secret!', 'remember': 'false'})
+#print "request headers: ", r.request.headers
+#print "response headers: ", r.headers
+r.raise_for_status()
+
+url = '/'.join([server, 'courses', course_id, 'modx', location, 'problem_check'])
+data = {'input_{0}_2_1'.format(location.replace('/','-').replace(':','').replace('--','-')): value}
+#data = {'input_i4x-MITx-7012x-problem-example_upload_answer_2_1': value}
+
+print "Posting to '{0}': {1}".format(url, data)
+
+r = session.post(url, data)
+r.raise_for_status()
+
+print ("To see the uploaded answer, go to {server}/courses/{course_id}/jump_to/{location}"
+       .format(server=server, course_id=course_id, location=location))
diff --git a/common/lib/supertrace.py b/common/lib/supertrace.py
index e17cd7a8ba..83dfa12031 100644
--- a/common/lib/supertrace.py
+++ b/common/lib/supertrace.py
@@ -3,7 +3,8 @@ A handy util to print a django-debug-screen-like stack trace with
 values of local variables.
 """
 
-import sys, traceback
+import sys
+import traceback
 from django.utils.encoding import smart_unicode
 
 
@@ -48,5 +49,3 @@ def supertrace(max_len=160):
                 print s
             except:
                 print "<ERROR WHILE PRINTING VALUE>"
-
-
diff --git a/common/lib/xmodule/setup.py b/common/lib/xmodule/setup.py
index 817af9c10d..0a9c05f3ec 100644
--- a/common/lib/xmodule/setup.py
+++ b/common/lib/xmodule/setup.py
@@ -30,10 +30,11 @@ setup(
             "peergrading = xmodule.peer_grading_module:PeerGradingDescriptor",
             "problem = xmodule.capa_module:CapaDescriptor",
             "problemset = xmodule.seq_module:SequenceDescriptor",
-            "randomize = xmodule.randomize_module:RandomizeDescriptor", 
+            "randomize = xmodule.randomize_module:RandomizeDescriptor",
             "section = xmodule.backcompat_module:SemanticSectionDescriptor",
             "sequential = xmodule.seq_module:SequenceDescriptor",
             "slides = xmodule.backcompat_module:TranslateCustomTagDescriptor",
+            "timelimit = xmodule.timelimit_module:TimeLimitDescriptor",
             "vertical = xmodule.vertical_module:VerticalDescriptor",
             "video = xmodule.video_module:VideoDescriptor",
             "videodev = xmodule.backcompat_module:TranslateCustomTagDescriptor",
diff --git a/common/lib/xmodule/xmodule/abtest_module.py b/common/lib/xmodule/xmodule/abtest_module.py
index 12456bc7d7..537d864127 100644
--- a/common/lib/xmodule/xmodule/abtest_module.py
+++ b/common/lib/xmodule/xmodule/abtest_module.py
@@ -51,7 +51,7 @@ class ABTestModule(XModule):
 
     def get_shared_state(self):
         return json.dumps({'group': self.group})
-    
+
     def get_child_descriptors(self):
         active_locations = set(self.definition['data']['group_content'][self.group])
         return [desc for desc in self.descriptor.get_children() if desc.location.url() in active_locations]
@@ -171,7 +171,7 @@ class ABTestDescriptor(RawDescriptor, XmlDescriptor):
                 group_elem.append(etree.fromstring(child.export_to_xml(resource_fs)))
 
         return xml_object
-    
-    
+
+
     def has_dynamic_children(self):
         return True
diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py
index d3c8786f66..d806ec7913 100644
--- a/common/lib/xmodule/xmodule/capa_module.py
+++ b/common/lib/xmodule/xmodule/capa_module.py
@@ -29,6 +29,7 @@ TIMEDELTA_REGEX = re.compile(r'^((?P<days>\d+?) day(?:s?))?(\s)?((?P<hours>\d+?)
 # Generated this many different variants of problems with rerandomize=per_student
 NUM_RANDOMIZATION_BINS = 20
 
+
 def randomization_bin(seed, problem_id):
     """
     Pick a randomization bin for the problem given the user's seed and a problem id.
@@ -43,6 +44,7 @@ def randomization_bin(seed, problem_id):
     # get the first few digits of the hash, convert to an int, then mod.
     return int(h.hexdigest()[:7], 16) % NUM_RANDOMIZATION_BINS
 
+
 def only_one(lst, default="", process=lambda x: x):
     """
     If lst is empty, returns default
@@ -283,7 +285,7 @@ class CapaModule(XModule):
 
                 #   Next, generate a fresh LoncapaProblem
                 self.lcp = LoncapaProblem(self.definition['data'], self.location.html_id(),
-                               state=None, # Tabula rasa
+                               state=None,   # Tabula rasa
                                seed=self.seed, system=self.system)
 
                 # Prepend a scary warning to the student
@@ -302,7 +304,7 @@ class CapaModule(XModule):
                 html = warning
                 try:
                     html += self.lcp.get_html()
-                except Exception, err: # Couldn't do it. Give up
+                except Exception, err:   # Couldn't do it. Give up
                     log.exception(err)
                     raise
 
@@ -315,7 +317,7 @@ class CapaModule(XModule):
         # check button is context-specific.
 
         # Put a "Check" button if unlimited attempts or still some left
-        if self.max_attempts is None or self.attempts < self.max_attempts-1:
+        if self.max_attempts is None or self.attempts < self.max_attempts - 1:
             check_button = "Check"
         else:
             # Will be final check so let user know that
@@ -561,9 +563,9 @@ class CapaModule(XModule):
             current_time = datetime.datetime.now()
             prev_submit_time = self.lcp.get_recentmost_queuetime()
             waittime_between_requests = self.system.xqueue['waittime']
-            if (current_time-prev_submit_time).total_seconds() < waittime_between_requests:
+            if (current_time - prev_submit_time).total_seconds() < waittime_between_requests:
                 msg = 'You must wait at least %d seconds between submissions' % waittime_between_requests
-                return {'success': msg, 'html': ''} # Prompts a modal dialog in ajax callback
+                return {'success': msg, 'html': ''}   # Prompts a modal dialog in ajax callback
 
         try:
             old_state = self.lcp.get_state()
@@ -596,7 +598,7 @@ class CapaModule(XModule):
 	event_info['attempts'] = self.attempts
         self.system.track_function('save_problem_check', event_info)
 
-	if hasattr(self.system,'psychometrics_handler'):	# update PsychometricsData using callback
+	if hasattr(self.system, 'psychometrics_handler'):  	# update PsychometricsData using callback
 		self.system.psychometrics_handler(self.get_instance_state())
 
         # render problem into HTML
@@ -707,7 +709,7 @@ class CapaDescriptor(RawDescriptor):
     @property
     def editable_metadata_fields(self):
         """Remove metadata from the editable fields since it has its own editor"""
-        subset = super(CapaDescriptor,self).editable_metadata_fields
+        subset = super(CapaDescriptor, self).editable_metadata_fields
         if 'markdown' in subset:
             subset.remove('markdown')
         return subset
diff --git a/common/lib/xmodule/xmodule/combined_open_ended_module.py b/common/lib/xmodule/xmodule/combined_open_ended_module.py
index 14a59c9004..2da15a4086 100644
--- a/common/lib/xmodule/xmodule/combined_open_ended_module.py
+++ b/common/lib/xmodule/xmodule/combined_open_ended_module.py
@@ -19,44 +19,17 @@ from .stringify import stringify_children
 from .x_module import XModule
 from .xml_module import XmlDescriptor
 from xmodule.modulestore import Location
-import self_assessment_module
-import open_ended_module
-from combined_open_ended_rubric import CombinedOpenEndedRubric, RubricParsingError
-from .stringify import stringify_children
+from combined_open_ended_modulev1 import CombinedOpenEndedV1Module, CombinedOpenEndedV1Descriptor
 
 log = logging.getLogger("mitx.courseware")
 
-# Set the default number of max attempts.  Should be 1 for production
-# Set higher for debugging/testing
-# attempts specified in xml definition overrides this.
-MAX_ATTEMPTS = 10000
 
-# Set maximum available number of points.
-# Overriden by max_score specified in xml.
-MAX_SCORE = 1
+VERSION_TUPLES = (
+    ('1', CombinedOpenEndedV1Descriptor, CombinedOpenEndedV1Module),
+)
 
-#The highest score allowed for the overall xmodule and for each rubric point
-MAX_SCORE_ALLOWED = 3
-
-#If true, default behavior is to score module as a practice problem.  Otherwise, no grade at all is shown in progress
-#Metadata overrides this.
-IS_SCORED = False
-
-#If true, then default behavior is to require a file upload or pasted link from a student for this problem.
-#Metadata overrides this.
-ACCEPT_FILE_UPLOAD = False
-
-#Contains all reasonable bool and case combinations of True
-TRUE_DICT = ["True", True, "TRUE", "true"]
-
-HUMAN_TASK_TYPE = {
-    'selfassessment' : "Self Assessment",
-    'openended' : "External Grader",
-}
-
-class IncorrectMaxScoreError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
+DEFAULT_VERSION = 1
+DEFAULT_VERSION = str(DEFAULT_VERSION)
 
 class CombinedOpenEndedModule(XModule):
     """
@@ -137,512 +110,68 @@ class CombinedOpenEndedModule(XModule):
 
         """
 
+        self.system = system
+        self.system.set('location', location)
+
         # Load instance state
         if instance_state is not None:
             instance_state = json.loads(instance_state)
         else:
             instance_state = {}
 
-        #We need to set the location here so the child modules can use it
-        system.set('location', location)
+        self.version = self.metadata.get('version', DEFAULT_VERSION)
+        if not isinstance(self.version, basestring):
+            try:
+                self.version = str(self.version)
+            except:
+                log.error("Version {0} is not correct.  Going with version {1}".format(self.version, DEFAULT_VERSION))
+                self.version = DEFAULT_VERSION
 
-        #Tells the system which xml definition to load
-        self.current_task_number = instance_state.get('current_task_number', 0)
-        #This loads the states of the individual children
-        self.task_states = instance_state.get('task_states', [])
-        #Overall state of the combined open ended module
-        self.state = instance_state.get('state', self.INITIAL)
+        versions = [i[0] for i in VERSION_TUPLES]
+        descriptors = [i[1] for i in VERSION_TUPLES]
+        modules = [i[2] for i in VERSION_TUPLES]
 
-        self.attempts = instance_state.get('attempts', 0)
+        try:
+            version_index = versions.index(self.version)
+        except:
+            log.error("Version {0} is not correct.  Going with version {1}".format(self.version, DEFAULT_VERSION))
+            self.version = DEFAULT_VERSION
+            version_index = versions.index(self.version)
 
-        #Allow reset is true if student has failed the criteria to move to the next child task
-        self.allow_reset = instance_state.get('ready_to_reset', False)
-        self.max_attempts = int(self.metadata.get('attempts', MAX_ATTEMPTS))
-        self.is_scored = self.metadata.get('is_graded', IS_SCORED) in TRUE_DICT
-        self.accept_file_upload = self.metadata.get('accept_file_upload', ACCEPT_FILE_UPLOAD) in TRUE_DICT
-
-        # Used for progress / grading.  Currently get credit just for
-        # completion (doesn't matter if you self-assessed correct/incorrect).
-        self._max_score = int(self.metadata.get('max_score', MAX_SCORE))
-
-        if self._max_score > MAX_SCORE_ALLOWED:
-            error_message = "Max score {0} is higher than max score allowed {1} for location {2}".format(self._max_score,
-                MAX_SCORE_ALLOWED, location)
-            log.error(error_message)
-            raise IncorrectMaxScoreError(error_message)
-
-        rubric_renderer = CombinedOpenEndedRubric(system, True)
-        rubric_string = stringify_children(definition['rubric'])
-        rubric_renderer.check_if_rubric_is_parseable(rubric_string, location, MAX_SCORE_ALLOWED)
-
-        #Static data is passed to the child modules to render
-        self.static_data = {
-            'max_score': self._max_score,
-            'max_attempts': self.max_attempts,
-            'prompt': definition['prompt'],
-            'rubric': definition['rubric'],
-            'display_name': self.display_name,
-            'accept_file_upload': self.accept_file_upload,
+        static_data = {
+            'rewrite_content_links' : self.rewrite_content_links,
         }
 
-        self.task_xml = definition['task_xml']
-        self.setup_next_task()
-
-    def get_tag_name(self, xml):
-        """
-        Gets the tag name of a given xml block.
-        Input: XML string
-        Output: The name of the root tag
-        """
-        tag = etree.fromstring(xml).tag
-        return tag
-
-    def overwrite_state(self, current_task_state):
-        """
-        Overwrites an instance state and sets the latest response to the current response.  This is used
-        to ensure that the student response is carried over from the first child to the rest.
-        Input: Task state json string
-        Output: Task state json string
-        """
-        last_response_data = self.get_last_response(self.current_task_number - 1)
-        last_response = last_response_data['response']
-
-        loaded_task_state = json.loads(current_task_state)
-        if loaded_task_state['state'] == self.INITIAL:
-            loaded_task_state['state'] = self.ASSESSING
-            loaded_task_state['created'] = True
-            loaded_task_state['history'].append({'answer': last_response})
-            current_task_state = json.dumps(loaded_task_state)
-        return current_task_state
-
-    def child_modules(self):
-        """
-        Returns the constructors associated with the child modules in a dictionary.  This makes writing functions
-        simpler (saves code duplication)
-        Input: None
-        Output: A dictionary of dictionaries containing the descriptor functions and module functions
-        """
-        child_modules = {
-            'openended': open_ended_module.OpenEndedModule,
-            'selfassessment': self_assessment_module.SelfAssessmentModule,
-        }
-        child_descriptors = {
-            'openended': open_ended_module.OpenEndedDescriptor,
-            'selfassessment': self_assessment_module.SelfAssessmentDescriptor,
-        }
-        children = {
-            'modules': child_modules,
-            'descriptors': child_descriptors,
-        }
-        return children
-
-    def setup_next_task(self, reset=False):
-        """
-        Sets up the next task for the module.  Creates an instance state if none exists, carries over the answer
-        from the last instance state to the next if needed.
-        Input: A boolean indicating whether or not the reset function is calling.
-        Output: Boolean True (not useful right now)
-        """
-        current_task_state = None
-        if len(self.task_states) > self.current_task_number:
-            current_task_state = self.task_states[self.current_task_number]
-
-        self.current_task_xml = self.task_xml[self.current_task_number]
-
-        if self.current_task_number > 0:
-            self.allow_reset = self.check_allow_reset()
-            if self.allow_reset:
-                self.current_task_number = self.current_task_number - 1
-
-        current_task_type = self.get_tag_name(self.current_task_xml)
-
-        children = self.child_modules()
-        child_task_module = children['modules'][current_task_type]
-
-        self.current_task_descriptor = children['descriptors'][current_task_type](self.system)
-
-        #This is the xml object created from the xml definition of the current task
-        etree_xml = etree.fromstring(self.current_task_xml)
-
-        #This sends the etree_xml object through the descriptor module of the current task, and
-        #returns the xml parsed by the descriptor
-        self.current_task_parsed_xml = self.current_task_descriptor.definition_from_xml(etree_xml, self.system)
-        if current_task_state is None and self.current_task_number == 0:
-            self.current_task = child_task_module(self.system, self.location,
-                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data)
-            self.task_states.append(self.current_task.get_instance_state())
-            self.state = self.ASSESSING
-        elif current_task_state is None and self.current_task_number > 0:
-            last_response_data = self.get_last_response(self.current_task_number - 1)
-            last_response = last_response_data['response']
-            current_task_state = json.dumps({
-                'state': self.ASSESSING,
-                'version': self.STATE_VERSION,
-                'max_score': self._max_score,
-                'attempts': 0,
-                'created': True,
-                'history': [{'answer': last_response}],
-            })
-            self.current_task = child_task_module(self.system, self.location,
-                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
-                instance_state=current_task_state)
-            self.task_states.append(self.current_task.get_instance_state())
-            self.state = self.ASSESSING
-        else:
-            if self.current_task_number > 0 and not reset:
-                current_task_state = self.overwrite_state(current_task_state)
-            self.current_task = child_task_module(self.system, self.location,
-                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
-                instance_state=current_task_state)
-
-        return True
-
-    def check_allow_reset(self):
-        """
-        Checks to see if the student has passed the criteria to move to the next module.  If not, sets
-        allow_reset to true and halts the student progress through the tasks.
-        Input: None
-        Output: the allow_reset attribute of the current module.
-        """
-        if not self.allow_reset:
-            if self.current_task_number > 0:
-                last_response_data = self.get_last_response(self.current_task_number - 1)
-                current_response_data = self.get_current_attributes(self.current_task_number)
-
-                if(current_response_data['min_score_to_attempt'] > last_response_data['score']
-                   or current_response_data['max_score_to_attempt'] < last_response_data['score']):
-                    self.state = self.DONE
-                    self.allow_reset = True
-
-        return self.allow_reset
-
-    def get_context(self):
-        """
-        Generates a context dictionary that is used to render html.
-        Input: None
-        Output: A dictionary that can be rendered into the combined open ended template.
-        """
-        task_html = self.get_html_base()
-        #set context variables and render template
-
-        context = {
-            'items': [{'content': task_html}],
-            'ajax_url': self.system.ajax_url,
-            'allow_reset': self.allow_reset,
-            'state': self.state,
-            'task_count': len(self.task_xml),
-            'task_number': self.current_task_number + 1,
-            'status': self.get_status(),
-            'display_name': self.display_name,
-            'accept_file_upload': self.accept_file_upload,
-        }
-
-        return context
+        self.child_descriptor = descriptors[version_index](self.system)
+        self.child_definition = descriptors[version_index].definition_from_xml(etree.fromstring(definition['xml_string']), self.system)
+        self.child_module = modules[version_index](self.system, location, self.child_definition, self.child_descriptor,
+            instance_state = json.dumps(instance_state), metadata = self.metadata, static_data= static_data)
 
     def get_html(self):
-        """
-        Gets HTML for rendering.
-        Input: None
-        Output: rendered html
-        """
-        context = self.get_context()
-        html = self.system.render_template('combined_open_ended.html', context)
-        return html
-
-    def get_html_nonsystem(self):
-        """
-        Gets HTML for rendering via AJAX.  Does not use system, because system contains some additional
-        html, which is not appropriate for returning via ajax calls.
-        Input: None
-        Output: HTML rendered directly via Mako
-        """
-        context = self.get_context()
-        html = self.system.render_template('combined_open_ended.html', context)
-        return html
-
-    def get_html_base(self):
-        """
-        Gets the HTML associated with the current child task
-        Input: None
-        Output: Child task HTML
-        """
-        self.update_task_states()
-        html = self.current_task.get_html(self.system)
-        return_html = rewrite_links(html, self.rewrite_content_links)
-        return return_html
-
-    def get_current_attributes(self, task_number):
-        """
-        Gets the min and max score to attempt attributes of the specified task.
-        Input: The number of the task.
-        Output: The minimum and maximum scores needed to move on to the specified task.
-        """
-        task_xml = self.task_xml[task_number]
-        etree_xml = etree.fromstring(task_xml)
-        min_score_to_attempt = int(etree_xml.attrib.get('min_score_to_attempt', 0))
-        max_score_to_attempt = int(etree_xml.attrib.get('max_score_to_attempt', self._max_score))
-        return {'min_score_to_attempt': min_score_to_attempt, 'max_score_to_attempt': max_score_to_attempt}
-
-    def get_last_response(self, task_number):
-        """
-        Returns data associated with the specified task number, such as the last response, score, etc.
-        Input: The number of the task.
-        Output: A dictionary that contains information about the specified task.
-        """
-        last_response = ""
-        task_state = self.task_states[task_number]
-        task_xml = self.task_xml[task_number]
-        task_type = self.get_tag_name(task_xml)
-
-        children = self.child_modules()
-
-        task_descriptor = children['descriptors'][task_type](self.system)
-        etree_xml = etree.fromstring(task_xml)
-
-        min_score_to_attempt = int(etree_xml.attrib.get('min_score_to_attempt', 0))
-        max_score_to_attempt = int(etree_xml.attrib.get('max_score_to_attempt', self._max_score))
-
-        task_parsed_xml = task_descriptor.definition_from_xml(etree_xml, self.system)
-        task = children['modules'][task_type](self.system, self.location, task_parsed_xml, task_descriptor,
-            self.static_data, instance_state=task_state)
-        last_response = task.latest_answer()
-        last_score = task.latest_score()
-        last_post_assessment = task.latest_post_assessment(self.system)
-        last_post_feedback = ""
-        if task_type == "openended":
-            last_post_assessment = task.latest_post_assessment(self.system, short_feedback=False, join_feedback=False)
-            if isinstance(last_post_assessment, list):
-                eval_list = []
-                for i in xrange(0, len(last_post_assessment)):
-                    eval_list.append(task.format_feedback_with_evaluation(self.system, last_post_assessment[i]))
-                last_post_evaluation = "".join(eval_list)
-            else:
-                last_post_evaluation = task.format_feedback_with_evaluation(self.system, last_post_assessment)
-            last_post_assessment = last_post_evaluation
-        last_correctness = task.is_last_response_correct()
-        max_score = task.max_score()
-        state = task.state
-        if task_type in HUMAN_TASK_TYPE:
-            human_task_name = HUMAN_TASK_TYPE[task_type]
-        else:
-            human_task_name = task_type
-
-        if state in task.HUMAN_NAMES:
-            human_state = task.HUMAN_NAMES[state]
-        else:
-            human_state = state
-        last_response_dict = {
-            'response': last_response,
-            'score': last_score,
-            'post_assessment': last_post_assessment,
-            'type': task_type,
-            'max_score': max_score,
-            'state': state,
-            'human_state': human_state,
-            'human_task': human_task_name,
-            'correct': last_correctness,
-            'min_score_to_attempt': min_score_to_attempt,
-            'max_score_to_attempt': max_score_to_attempt,
-        }
-
-        return last_response_dict
-
-    def update_task_states(self):
-        """
-        Updates the task state of the combined open ended module with the task state of the current child module.
-        Input: None
-        Output: boolean indicating whether or not the task state changed.
-        """
-        changed = False
-        if not self.allow_reset:
-            self.task_states[self.current_task_number] = self.current_task.get_instance_state()
-            current_task_state = json.loads(self.task_states[self.current_task_number])
-            if current_task_state['state'] == self.DONE:
-                self.current_task_number += 1
-                if self.current_task_number >= (len(self.task_xml)):
-                    self.state = self.DONE
-                    self.current_task_number = len(self.task_xml) - 1
-                else:
-                    self.state = self.INITIAL
-                changed = True
-                self.setup_next_task()
-        return changed
-
-    def update_task_states_ajax(self, return_html):
-        """
-        Runs the update task states function for ajax calls.  Currently the same as update_task_states
-        Input: The html returned by the handle_ajax function of the child
-        Output: New html that should be rendered
-        """
-        changed = self.update_task_states()
-        if changed:
-            #return_html=self.get_html()
-            pass
-        return return_html
-
-    def get_results(self, get):
-        """
-        Gets the results of a given grader via ajax.
-        Input: AJAX get dictionary
-        Output: Dictionary to be rendered via ajax that contains the result html.
-        """
-        task_number = int(get['task_number'])
-        self.update_task_states()
-        response_dict = self.get_last_response(task_number)
-        context = {'results': response_dict['post_assessment'], 'task_number': task_number + 1}
-        html = self.system.render_template('combined_open_ended_results.html', context)
-        return {'html': html, 'success': True}
+        return self.child_module.get_html()
 
     def handle_ajax(self, dispatch, get):
-        """
-        This is called by courseware.module_render, to handle an AJAX call.
-        "get" is request.POST.
-
-        Returns a json dictionary:
-        { 'progress_changed' : True/False,
-        'progress': 'none'/'in_progress'/'done',
-        <other request-specific values here > }
-        """
-
-        handlers = {
-            'next_problem': self.next_problem,
-            'reset': self.reset,
-            'get_results': self.get_results
-        }
-
-        if dispatch not in handlers:
-            return_html = self.current_task.handle_ajax(dispatch, get, self.system)
-            return self.update_task_states_ajax(return_html)
-
-        d = handlers[dispatch](get)
-        return json.dumps(d, cls=ComplexEncoder)
-
-    def next_problem(self, get):
-        """
-        Called via ajax to advance to the next problem.
-        Input: AJAX get request.
-        Output: Dictionary to be rendered
-        """
-        self.update_task_states()
-        return {'success': True, 'html': self.get_html_nonsystem(), 'allow_reset': self.allow_reset}
-
-    def reset(self, get):
-        """
-        If resetting is allowed, reset the state of the combined open ended module.
-        Input: AJAX get dictionary
-        Output: AJAX dictionary to tbe rendered
-        """
-        if self.state != self.DONE:
-            if not self.allow_reset:
-                return self.out_of_sync_error(get)
-
-        if self.attempts > self.max_attempts:
-            return {
-                'success': False,
-                'error': 'Too many attempts.'
-            }
-        self.state = self.INITIAL
-        self.allow_reset = False
-        for i in xrange(0, len(self.task_xml)):
-            self.current_task_number = i
-            self.setup_next_task(reset=True)
-            self.current_task.reset(self.system)
-            self.task_states[self.current_task_number] = self.current_task.get_instance_state()
-        self.current_task_number = 0
-        self.allow_reset = False
-        self.setup_next_task()
-        return {'success': True, 'html': self.get_html_nonsystem()}
+        return self.child_module.handle_ajax(dispatch, get)
 
     def get_instance_state(self):
-        """
-        Returns the current instance state.  The module can be recreated from the instance state.
-        Input: None
-        Output: A dictionary containing the instance state.
-        """
-
-        state = {
-            'version': self.STATE_VERSION,
-            'current_task_number': self.current_task_number,
-            'state': self.state,
-            'task_states': self.task_states,
-            'attempts': self.attempts,
-            'ready_to_reset': self.allow_reset,
-        }
-
-        return json.dumps(state)
-
-    def get_status(self):
-        """
-        Gets the status panel to be displayed at the top right.
-        Input: None
-        Output: The status html to be rendered
-        """
-        status = []
-        for i in xrange(0, self.current_task_number + 1):
-            task_data = self.get_last_response(i)
-            task_data.update({'task_number': i + 1})
-            status.append(task_data)
-        context = {'status_list': status}
-        status_html = self.system.render_template("combined_open_ended_status.html", context)
-
-        return status_html
-
-    def check_if_done_and_scored(self):
-        """
-        Checks if the object is currently in a finished state (either student didn't meet criteria to move
-        to next step, in which case they are in the allow_reset state, or they are done with the question
-        entirely, in which case they will be in the self.DONE state), and if it is scored or not.
-        @return: Boolean corresponding to the above.
-        """
-        return (self.state == self.DONE or self.allow_reset) and self.is_scored
+        return self.child_module.get_instance_state()
 
     def get_score(self):
-        """
-        Score the student received on the problem, or None if there is no
-        score.
-
-        Returns:
-          dictionary
-             {'score': integer, from 0 to get_max_score(),
-              'total': get_max_score()}
-        """
-        max_score = None
-        score = None
-        if self.check_if_done_and_scored():
-            last_response = self.get_last_response(self.current_task_number)
-            max_score = last_response['max_score']
-            score = last_response['score']
-
-        score_dict = {
-            'score': score,
-            'total': max_score,
-        }
-
-        return score_dict
+        return self.child_module.get_score()
 
     def max_score(self):
-        ''' Maximum score. Two notes:
-
-            * This is generic; in abstract, a problem could be 3/5 points on one
-              randomization, and 5/7 on another
-        '''
-        max_score = None
-        if self.check_if_done_and_scored():
-            last_response = self.get_last_response(self.current_task_number)
-            max_score = last_response['max_score']
-        return max_score
+        return self.child_module.max_score()
 
     def get_progress(self):
-        ''' Return a progress.Progress object that represents how far the
-        student has gone in this module.  Must be implemented to get correct
-        progress tracking behavior in nesting modules like sequence and
-        vertical.
+        return self.child_module.get_progress()
 
-        If this module has no notion of progress, return None.
-        '''
-        progress_object = Progress(self.current_task_number, len(self.task_xml))
+    @property
+    def due_date(self):
+        return self.child_module.due_date
 
-        return progress_object
+    @property
+    def display_name(self):
+        return self.child_module.display_name
 
 
 class CombinedOpenEndedDescriptor(XmlDescriptor, EditingDescriptor):
@@ -672,20 +201,8 @@ class CombinedOpenEndedDescriptor(XmlDescriptor, EditingDescriptor):
         'task_xml': dictionary of xml strings,
         }
         """
-        expected_children = ['task', 'rubric', 'prompt']
-        for child in expected_children:
-            if len(xml_object.xpath(child)) == 0:
-                raise ValueError("Combined Open Ended definition must include at least one '{0}' tag".format(child))
 
-        def parse_task(k):
-            """Assumes that xml_object has child k"""
-            return [stringify_children(xml_object.xpath(k)[i]) for i in xrange(0, len(xml_object.xpath(k)))]
-
-        def parse(k):
-            """Assumes that xml_object has child k"""
-            return xml_object.xpath(k)[0]
-
-        return {'task_xml': parse_task('task'), 'prompt': parse('prompt'), 'rubric': parse('rubric')}
+        return {'xml_string' : etree.tostring(xml_object), 'metadata' : xml_object.attrib}
 
 
     def definition_to_xml(self, resource_fs):
diff --git a/common/lib/xmodule/xmodule/combined_open_ended_modulev1.py b/common/lib/xmodule/xmodule/combined_open_ended_modulev1.py
new file mode 100644
index 0000000000..8bd7df86c1
--- /dev/null
+++ b/common/lib/xmodule/xmodule/combined_open_ended_modulev1.py
@@ -0,0 +1,725 @@
+import copy
+from fs.errors import ResourceNotFoundError
+import itertools
+import json
+import logging
+from lxml import etree
+from lxml.html import rewrite_links
+from path import path
+import os
+import sys
+
+from pkg_resources import resource_string
+
+from .capa_module import only_one, ComplexEncoder
+from .editing_module import EditingDescriptor
+from .html_checker import check_html
+from progress import Progress
+from .stringify import stringify_children
+from .x_module import XModule
+from .xml_module import XmlDescriptor
+from xmodule.modulestore import Location
+import self_assessment_module
+import open_ended_module
+from combined_open_ended_rubric import CombinedOpenEndedRubric, RubricParsingError
+from .stringify import stringify_children
+import dateutil
+import dateutil.parser
+import datetime
+from timeparse import parse_timedelta
+
+log = logging.getLogger("mitx.courseware")
+
+# Set the default number of max attempts.  Should be 1 for production
+# Set higher for debugging/testing
+# attempts specified in xml definition overrides this.
+MAX_ATTEMPTS = 10000
+
+# Set maximum available number of points.
+# Overriden by max_score specified in xml.
+MAX_SCORE = 1
+
+#The highest score allowed for the overall xmodule and for each rubric point
+MAX_SCORE_ALLOWED = 3
+
+#If true, default behavior is to score module as a practice problem.  Otherwise, no grade at all is shown in progress
+#Metadata overrides this.
+IS_SCORED = False
+
+#If true, then default behavior is to require a file upload or pasted link from a student for this problem.
+#Metadata overrides this.
+ACCEPT_FILE_UPLOAD = False
+
+#Contains all reasonable bool and case combinations of True
+TRUE_DICT = ["True", True, "TRUE", "true"]
+
+HUMAN_TASK_TYPE = {
+    'selfassessment' : "Self Assessment",
+    'openended' : "External Grader",
+    }
+
+class CombinedOpenEndedV1Module():
+    """
+    This is a module that encapsulates all open ended grading (self assessment, peer assessment, etc).
+    It transitions between problems, and support arbitrary ordering.
+    Each combined open ended module contains one or multiple "child" modules.
+    Child modules track their own state, and can transition between states.  They also implement get_html and
+    handle_ajax.
+    The combined open ended module transitions between child modules as appropriate, tracks its own state, and passess
+    ajax requests from the browser to the child module or handles them itself (in the cases of reset and next problem)
+    ajax actions implemented by all children are:
+        'save_answer' -- Saves the student answer
+        'save_assessment' -- Saves the student assessment (or external grader assessment)
+        'save_post_assessment' -- saves a post assessment (hint, feedback on feedback, etc)
+    ajax actions implemented by combined open ended module are:
+        'reset' -- resets the whole combined open ended module and returns to the first child module
+        'next_problem' -- moves to the next child module
+        'get_results' -- gets results from a given child module
+
+    Types of children. Task is synonymous with child module, so each combined open ended module
+    incorporates multiple children (tasks):
+        openendedmodule
+        selfassessmentmodule
+    """
+    STATE_VERSION = 1
+
+    # states
+    INITIAL = 'initial'
+    ASSESSING = 'assessing'
+    INTERMEDIATE_DONE = 'intermediate_done'
+    DONE = 'done'
+
+    js = {'coffee': [resource_string(__name__, 'js/src/combinedopenended/display.coffee'),
+                     resource_string(__name__, 'js/src/collapsible.coffee'),
+                     resource_string(__name__, 'js/src/javascript_loader.coffee'),
+                     ]}
+    js_module_name = "CombinedOpenEnded"
+
+    css = {'scss': [resource_string(__name__, 'css/combinedopenended/display.scss')]}
+
+    def __init__(self, system, location, definition, descriptor,
+                 instance_state=None, shared_state=None, metadata = None, static_data = None, **kwargs):
+
+        """
+        Definition file should have one or many task blocks, a rubric block, and a prompt block:
+
+        Sample file:
+        <combinedopenended attempts="10000" max_score="1">
+            <rubric>
+                Blah blah rubric.
+            </rubric>
+            <prompt>
+                Some prompt.
+            </prompt>
+            <task>
+                <selfassessment>
+                    <hintprompt>
+                        What hint about this problem would you give to someone?
+                    </hintprompt>
+                    <submitmessage>
+                        Save Succcesful.  Thanks for participating!
+                    </submitmessage>
+                </selfassessment>
+            </task>
+            <task>
+                <openended min_score_to_attempt="1" max_score_to_attempt="1">
+                        <openendedparam>
+                            <initial_display>Enter essay here.</initial_display>
+                            <answer_display>This is the answer.</answer_display>
+                            <grader_payload>{"grader_settings" : "ml_grading.conf",
+                            "problem_id" : "6.002x/Welcome/OETest"}</grader_payload>
+                        </openendedparam>
+                </openended>
+            </task>
+        </combinedopenended>
+
+        """
+
+        self.metadata = metadata
+        self.display_name = metadata.get('display_name', "Open Ended")
+        self.rewrite_content_links = static_data.get('rewrite_content_links',"")
+
+
+        # Load instance state
+        if instance_state is not None:
+            instance_state = json.loads(instance_state)
+        else:
+            instance_state = {}
+
+        #We need to set the location here so the child modules can use it
+        system.set('location', location)
+        self.system = system
+
+        #Tells the system which xml definition to load
+        self.current_task_number = instance_state.get('current_task_number', 0)
+        #This loads the states of the individual children
+        self.task_states = instance_state.get('task_states', [])
+        #Overall state of the combined open ended module
+        self.state = instance_state.get('state', self.INITIAL)
+
+        self.attempts = instance_state.get('attempts', 0)
+
+        #Allow reset is true if student has failed the criteria to move to the next child task
+        self.allow_reset = instance_state.get('ready_to_reset', False)
+        self.max_attempts = int(self.metadata.get('attempts', MAX_ATTEMPTS))
+        self.is_scored = self.metadata.get('is_graded', IS_SCORED) in TRUE_DICT
+        self.accept_file_upload = self.metadata.get('accept_file_upload', ACCEPT_FILE_UPLOAD) in TRUE_DICT
+
+        display_due_date_string = self.metadata.get('due', None)
+        if display_due_date_string is not None:
+            try:
+                self.display_due_date = dateutil.parser.parse(display_due_date_string)
+            except ValueError:
+                log.error("Could not parse due date {0} for location {1}".format(display_due_date_string, location))
+                raise
+        else:
+            self.display_due_date = None
+
+        grace_period_string = self.metadata.get('graceperiod', None)
+        if grace_period_string is not None and self.display_due_date:
+            try:
+                self.grace_period = parse_timedelta(grace_period_string)
+                self.close_date = self.display_due_date + self.grace_period
+            except:
+                log.error("Error parsing the grace period {0} for location {1}".format(grace_period_string, location))
+                raise
+        else:
+            self.grace_period = None
+            self.close_date = self.display_due_date
+
+        # Used for progress / grading.  Currently get credit just for
+        # completion (doesn't matter if you self-assessed correct/incorrect).
+        self._max_score = int(self.metadata.get('max_score', MAX_SCORE))
+
+        rubric_renderer = CombinedOpenEndedRubric(system, True)
+        rubric_string = stringify_children(definition['rubric'])
+        rubric_renderer.check_if_rubric_is_parseable(rubric_string, location, MAX_SCORE_ALLOWED, self._max_score)
+
+        #Static data is passed to the child modules to render
+        self.static_data = {
+            'max_score': self._max_score,
+            'max_attempts': self.max_attempts,
+            'prompt': definition['prompt'],
+            'rubric': definition['rubric'],
+            'display_name': self.display_name,
+            'accept_file_upload': self.accept_file_upload,
+            'close_date' : self.close_date,
+            }
+
+        self.task_xml = definition['task_xml']
+        self.location = location
+        self.setup_next_task()
+
+    def get_tag_name(self, xml):
+        """
+        Gets the tag name of a given xml block.
+        Input: XML string
+        Output: The name of the root tag
+        """
+        tag = etree.fromstring(xml).tag
+        return tag
+
+    def overwrite_state(self, current_task_state):
+        """
+        Overwrites an instance state and sets the latest response to the current response.  This is used
+        to ensure that the student response is carried over from the first child to the rest.
+        Input: Task state json string
+        Output: Task state json string
+        """
+        last_response_data = self.get_last_response(self.current_task_number - 1)
+        last_response = last_response_data['response']
+
+        loaded_task_state = json.loads(current_task_state)
+        if loaded_task_state['state'] == self.INITIAL:
+            loaded_task_state['state'] = self.ASSESSING
+            loaded_task_state['created'] = True
+            loaded_task_state['history'].append({'answer': last_response})
+            current_task_state = json.dumps(loaded_task_state)
+        return current_task_state
+
+    def child_modules(self):
+        """
+        Returns the constructors associated with the child modules in a dictionary.  This makes writing functions
+        simpler (saves code duplication)
+        Input: None
+        Output: A dictionary of dictionaries containing the descriptor functions and module functions
+        """
+        child_modules = {
+            'openended': open_ended_module.OpenEndedModule,
+            'selfassessment': self_assessment_module.SelfAssessmentModule,
+            }
+        child_descriptors = {
+            'openended': open_ended_module.OpenEndedDescriptor,
+            'selfassessment': self_assessment_module.SelfAssessmentDescriptor,
+            }
+        children = {
+            'modules': child_modules,
+            'descriptors': child_descriptors,
+            }
+        return children
+
+    def setup_next_task(self, reset=False):
+        """
+        Sets up the next task for the module.  Creates an instance state if none exists, carries over the answer
+        from the last instance state to the next if needed.
+        Input: A boolean indicating whether or not the reset function is calling.
+        Output: Boolean True (not useful right now)
+        """
+        current_task_state = None
+        if len(self.task_states) > self.current_task_number:
+            current_task_state = self.task_states[self.current_task_number]
+
+        self.current_task_xml = self.task_xml[self.current_task_number]
+
+        if self.current_task_number > 0:
+            self.allow_reset = self.check_allow_reset()
+            if self.allow_reset:
+                self.current_task_number = self.current_task_number - 1
+
+        current_task_type = self.get_tag_name(self.current_task_xml)
+
+        children = self.child_modules()
+        child_task_module = children['modules'][current_task_type]
+
+        self.current_task_descriptor = children['descriptors'][current_task_type](self.system)
+
+        #This is the xml object created from the xml definition of the current task
+        etree_xml = etree.fromstring(self.current_task_xml)
+
+        #This sends the etree_xml object through the descriptor module of the current task, and
+        #returns the xml parsed by the descriptor
+        self.current_task_parsed_xml = self.current_task_descriptor.definition_from_xml(etree_xml, self.system)
+        if current_task_state is None and self.current_task_number == 0:
+            self.current_task = child_task_module(self.system, self.location,
+                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data)
+            self.task_states.append(self.current_task.get_instance_state())
+            self.state = self.ASSESSING
+        elif current_task_state is None and self.current_task_number > 0:
+            last_response_data = self.get_last_response(self.current_task_number - 1)
+            last_response = last_response_data['response']
+            current_task_state = json.dumps({
+                'state': self.ASSESSING,
+                'version': self.STATE_VERSION,
+                'max_score': self._max_score,
+                'attempts': 0,
+                'created': True,
+                'history': [{'answer': last_response}],
+                })
+            self.current_task = child_task_module(self.system, self.location,
+                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
+                instance_state=current_task_state)
+            self.task_states.append(self.current_task.get_instance_state())
+            self.state = self.ASSESSING
+        else:
+            if self.current_task_number > 0 and not reset:
+                current_task_state = self.overwrite_state(current_task_state)
+            self.current_task = child_task_module(self.system, self.location,
+                self.current_task_parsed_xml, self.current_task_descriptor, self.static_data,
+                instance_state=current_task_state)
+
+        return True
+
+    def check_allow_reset(self):
+        """
+        Checks to see if the student has passed the criteria to move to the next module.  If not, sets
+        allow_reset to true and halts the student progress through the tasks.
+        Input: None
+        Output: the allow_reset attribute of the current module.
+        """
+        if not self.allow_reset:
+            if self.current_task_number > 0:
+                last_response_data = self.get_last_response(self.current_task_number - 1)
+                current_response_data = self.get_current_attributes(self.current_task_number)
+
+                if(current_response_data['min_score_to_attempt'] > last_response_data['score']
+                   or current_response_data['max_score_to_attempt'] < last_response_data['score']):
+                    self.state = self.DONE
+                    self.allow_reset = True
+
+        return self.allow_reset
+
+    def get_context(self):
+        """
+        Generates a context dictionary that is used to render html.
+        Input: None
+        Output: A dictionary that can be rendered into the combined open ended template.
+        """
+        task_html = self.get_html_base()
+        #set context variables and render template
+
+        context = {
+            'items': [{'content': task_html}],
+            'ajax_url': self.system.ajax_url,
+            'allow_reset': self.allow_reset,
+            'state': self.state,
+            'task_count': len(self.task_xml),
+            'task_number': self.current_task_number + 1,
+            'status': self.get_status(),
+            'display_name': self.display_name,
+            'accept_file_upload': self.accept_file_upload,
+            }
+
+        return context
+
+    def get_html(self):
+        """
+        Gets HTML for rendering.
+        Input: None
+        Output: rendered html
+        """
+        context = self.get_context()
+        html = self.system.render_template('combined_open_ended.html', context)
+        return html
+
+    def get_html_nonsystem(self):
+        """
+        Gets HTML for rendering via AJAX.  Does not use system, because system contains some additional
+        html, which is not appropriate for returning via ajax calls.
+        Input: None
+        Output: HTML rendered directly via Mako
+        """
+        context = self.get_context()
+        html = self.system.render_template('combined_open_ended.html', context)
+        return html
+
+    def get_html_base(self):
+        """
+        Gets the HTML associated with the current child task
+        Input: None
+        Output: Child task HTML
+        """
+        self.update_task_states()
+        html = self.current_task.get_html(self.system)
+        return_html = rewrite_links(html, self.rewrite_content_links)
+        return return_html
+
+    def get_current_attributes(self, task_number):
+        """
+        Gets the min and max score to attempt attributes of the specified task.
+        Input: The number of the task.
+        Output: The minimum and maximum scores needed to move on to the specified task.
+        """
+        task_xml = self.task_xml[task_number]
+        etree_xml = etree.fromstring(task_xml)
+        min_score_to_attempt = int(etree_xml.attrib.get('min_score_to_attempt', 0))
+        max_score_to_attempt = int(etree_xml.attrib.get('max_score_to_attempt', self._max_score))
+        return {'min_score_to_attempt': min_score_to_attempt, 'max_score_to_attempt': max_score_to_attempt}
+
+    def get_last_response(self, task_number):
+        """
+        Returns data associated with the specified task number, such as the last response, score, etc.
+        Input: The number of the task.
+        Output: A dictionary that contains information about the specified task.
+        """
+        last_response = ""
+        task_state = self.task_states[task_number]
+        task_xml = self.task_xml[task_number]
+        task_type = self.get_tag_name(task_xml)
+
+        children = self.child_modules()
+
+        task_descriptor = children['descriptors'][task_type](self.system)
+        etree_xml = etree.fromstring(task_xml)
+
+        min_score_to_attempt = int(etree_xml.attrib.get('min_score_to_attempt', 0))
+        max_score_to_attempt = int(etree_xml.attrib.get('max_score_to_attempt', self._max_score))
+
+        task_parsed_xml = task_descriptor.definition_from_xml(etree_xml, self.system)
+        task = children['modules'][task_type](self.system, self.location, task_parsed_xml, task_descriptor,
+            self.static_data, instance_state=task_state)
+        last_response = task.latest_answer()
+        last_score = task.latest_score()
+        last_post_assessment = task.latest_post_assessment(self.system)
+        last_post_feedback = ""
+        if task_type == "openended":
+            last_post_assessment = task.latest_post_assessment(self.system, short_feedback=False, join_feedback=False)
+            if isinstance(last_post_assessment, list):
+                eval_list = []
+                for i in xrange(0, len(last_post_assessment)):
+                    eval_list.append(task.format_feedback_with_evaluation(self.system, last_post_assessment[i]))
+                last_post_evaluation = "".join(eval_list)
+            else:
+                last_post_evaluation = task.format_feedback_with_evaluation(self.system, last_post_assessment)
+            last_post_assessment = last_post_evaluation
+        last_correctness = task.is_last_response_correct()
+        max_score = task.max_score()
+        state = task.state
+        if task_type in HUMAN_TASK_TYPE:
+            human_task_name = HUMAN_TASK_TYPE[task_type]
+        else:
+            human_task_name = task_type
+
+        if state in task.HUMAN_NAMES:
+            human_state = task.HUMAN_NAMES[state]
+        else:
+            human_state = state
+        last_response_dict = {
+            'response': last_response,
+            'score': last_score,
+            'post_assessment': last_post_assessment,
+            'type': task_type,
+            'max_score': max_score,
+            'state': state,
+            'human_state': human_state,
+            'human_task': human_task_name,
+            'correct': last_correctness,
+            'min_score_to_attempt': min_score_to_attempt,
+            'max_score_to_attempt': max_score_to_attempt,
+            }
+
+        return last_response_dict
+
+    def update_task_states(self):
+        """
+        Updates the task state of the combined open ended module with the task state of the current child module.
+        Input: None
+        Output: boolean indicating whether or not the task state changed.
+        """
+        changed = False
+        if not self.allow_reset:
+            self.task_states[self.current_task_number] = self.current_task.get_instance_state()
+            current_task_state = json.loads(self.task_states[self.current_task_number])
+            if current_task_state['state'] == self.DONE:
+                self.current_task_number += 1
+                if self.current_task_number >= (len(self.task_xml)):
+                    self.state = self.DONE
+                    self.current_task_number = len(self.task_xml) - 1
+                else:
+                    self.state = self.INITIAL
+                changed = True
+                self.setup_next_task()
+        return changed
+
+    def update_task_states_ajax(self, return_html):
+        """
+        Runs the update task states function for ajax calls.  Currently the same as update_task_states
+        Input: The html returned by the handle_ajax function of the child
+        Output: New html that should be rendered
+        """
+        changed = self.update_task_states()
+        if changed:
+            #return_html=self.get_html()
+            pass
+        return return_html
+
+    def get_results(self, get):
+        """
+        Gets the results of a given grader via ajax.
+        Input: AJAX get dictionary
+        Output: Dictionary to be rendered via ajax that contains the result html.
+        """
+        task_number = int(get['task_number'])
+        self.update_task_states()
+        response_dict = self.get_last_response(task_number)
+        context = {'results': response_dict['post_assessment'], 'task_number': task_number + 1}
+        html = self.system.render_template('combined_open_ended_results.html', context)
+        return {'html': html, 'success': True}
+
+    def handle_ajax(self, dispatch, get):
+        """
+        This is called by courseware.module_render, to handle an AJAX call.
+        "get" is request.POST.
+
+        Returns a json dictionary:
+        { 'progress_changed' : True/False,
+        'progress': 'none'/'in_progress'/'done',
+        <other request-specific values here > }
+        """
+
+        handlers = {
+            'next_problem': self.next_problem,
+            'reset': self.reset,
+            'get_results': self.get_results
+        }
+
+        if dispatch not in handlers:
+            return_html = self.current_task.handle_ajax(dispatch, get, self.system)
+            return self.update_task_states_ajax(return_html)
+
+        d = handlers[dispatch](get)
+        return json.dumps(d, cls=ComplexEncoder)
+
+    def next_problem(self, get):
+        """
+        Called via ajax to advance to the next problem.
+        Input: AJAX get request.
+        Output: Dictionary to be rendered
+        """
+        self.update_task_states()
+        return {'success': True, 'html': self.get_html_nonsystem(), 'allow_reset': self.allow_reset}
+
+    def reset(self, get):
+        """
+        If resetting is allowed, reset the state of the combined open ended module.
+        Input: AJAX get dictionary
+        Output: AJAX dictionary to tbe rendered
+        """
+        if self.state != self.DONE:
+            if not self.allow_reset:
+                return self.out_of_sync_error(get)
+
+        if self.attempts > self.max_attempts:
+            return {
+                'success': False,
+                'error': 'Too many attempts.'
+            }
+        self.state = self.INITIAL
+        self.allow_reset = False
+        for i in xrange(0, len(self.task_xml)):
+            self.current_task_number = i
+            self.setup_next_task(reset=True)
+            self.current_task.reset(self.system)
+            self.task_states[self.current_task_number] = self.current_task.get_instance_state()
+        self.current_task_number = 0
+        self.allow_reset = False
+        self.setup_next_task()
+        return {'success': True, 'html': self.get_html_nonsystem()}
+
+    def get_instance_state(self):
+        """
+        Returns the current instance state.  The module can be recreated from the instance state.
+        Input: None
+        Output: A dictionary containing the instance state.
+        """
+
+        state = {
+            'version': self.STATE_VERSION,
+            'current_task_number': self.current_task_number,
+            'state': self.state,
+            'task_states': self.task_states,
+            'attempts': self.attempts,
+            'ready_to_reset': self.allow_reset,
+            }
+
+        return json.dumps(state)
+
+    def get_status(self):
+        """
+        Gets the status panel to be displayed at the top right.
+        Input: None
+        Output: The status html to be rendered
+        """
+        status = []
+        for i in xrange(0, self.current_task_number + 1):
+            task_data = self.get_last_response(i)
+            task_data.update({'task_number': i + 1})
+            status.append(task_data)
+        context = {'status_list': status}
+        status_html = self.system.render_template("combined_open_ended_status.html", context)
+
+        return status_html
+
+    def check_if_done_and_scored(self):
+        """
+        Checks if the object is currently in a finished state (either student didn't meet criteria to move
+        to next step, in which case they are in the allow_reset state, or they are done with the question
+        entirely, in which case they will be in the self.DONE state), and if it is scored or not.
+        @return: Boolean corresponding to the above.
+        """
+        return (self.state == self.DONE or self.allow_reset) and self.is_scored
+
+    def get_score(self):
+        """
+        Score the student received on the problem, or None if there is no
+        score.
+
+        Returns:
+          dictionary
+             {'score': integer, from 0 to get_max_score(),
+              'total': get_max_score()}
+        """
+        max_score = None
+        score = None
+        if self.check_if_done_and_scored():
+            last_response = self.get_last_response(self.current_task_number)
+            max_score = last_response['max_score']
+            score = last_response['score']
+
+        score_dict = {
+            'score': score,
+            'total': max_score,
+            }
+
+        return score_dict
+
+    def max_score(self):
+        ''' Maximum score. Two notes:
+
+            * This is generic; in abstract, a problem could be 3/5 points on one
+              randomization, and 5/7 on another
+        '''
+        max_score = None
+        if self.check_if_done_and_scored():
+            last_response = self.get_last_response(self.current_task_number)
+            max_score = last_response['max_score']
+        return max_score
+
+    def get_progress(self):
+        ''' Return a progress.Progress object that represents how far the
+        student has gone in this module.  Must be implemented to get correct
+        progress tracking behavior in nesting modules like sequence and
+        vertical.
+
+        If this module has no notion of progress, return None.
+        '''
+        progress_object = Progress(self.current_task_number, len(self.task_xml))
+
+        return progress_object
+
+
+class CombinedOpenEndedV1Descriptor(XmlDescriptor, EditingDescriptor):
+    """
+    Module for adding combined open ended questions
+    """
+    mako_template = "widgets/html-edit.html"
+    module_class = CombinedOpenEndedV1Module
+    filename_extension = "xml"
+
+    stores_state = True
+    has_score = True
+    template_dir_name = "combinedopenended"
+
+    js = {'coffee': [resource_string(__name__, 'js/src/html/edit.coffee')]}
+    js_module_name = "HTMLEditingDescriptor"
+
+    @classmethod
+    def definition_from_xml(cls, xml_object, system):
+        """
+        Pull out the individual tasks, the rubric, and the prompt, and parse
+
+        Returns:
+        {
+        'rubric': 'some-html',
+        'prompt': 'some-html',
+        'task_xml': dictionary of xml strings,
+        }
+        """
+        expected_children = ['task', 'rubric', 'prompt']
+        for child in expected_children:
+            if len(xml_object.xpath(child)) == 0:
+                raise ValueError("Combined Open Ended definition must include at least one '{0}' tag".format(child))
+
+        def parse_task(k):
+            """Assumes that xml_object has child k"""
+            return [stringify_children(xml_object.xpath(k)[i]) for i in xrange(0, len(xml_object.xpath(k)))]
+
+        def parse(k):
+            """Assumes that xml_object has child k"""
+            return xml_object.xpath(k)[0]
+
+        return {'task_xml': parse_task('task'), 'prompt': parse('prompt'), 'rubric': parse('rubric')}
+
+
+    def definition_to_xml(self, resource_fs):
+        '''Return an xml element representing this definition.'''
+        elt = etree.Element('combinedopenended')
+
+        def add_child(k):
+            child_str = '<{tag}>{body}</{tag}>'.format(tag=k, body=self.definition[k])
+            child_node = etree.fromstring(child_str)
+            elt.append(child_node)
+
+        for child in ['task']:
+            add_child(child)
+
+        return elt
\ No newline at end of file
diff --git a/common/lib/xmodule/xmodule/combined_open_ended_rubric.py b/common/lib/xmodule/xmodule/combined_open_ended_rubric.py
index 6d4a3eebdf..689103a86a 100644
--- a/common/lib/xmodule/xmodule/combined_open_ended_rubric.py
+++ b/common/lib/xmodule/xmodule/combined_open_ended_rubric.py
@@ -1,12 +1,14 @@
 import logging
 from lxml import etree
 
-log=logging.getLogger(__name__)
+log = logging.getLogger(__name__)
+
 
 class RubricParsingError(Exception):
     def __init__(self, msg):
         self.msg = msg
 
+
 class CombinedOpenEndedRubric(object):
 
     def __init__ (self, system, view_only = False):
@@ -27,10 +29,13 @@ class CombinedOpenEndedRubric(object):
         success = False
         try:
             rubric_categories = self.extract_categories(rubric_xml)
+            max_scores = map((lambda cat: cat['options'][-1]['points']), rubric_categories)
+            max_score = max(max_scores)
             html = self.system.render_template('open_ended_rubric.html', 
-                    {'categories'  : rubric_categories,
+                    {'categories': rubric_categories,
                      'has_score': self.has_score,
-                     'view_only': self.view_only})
+                     'view_only': self.view_only,
+                     'max_score': max_score})
             success = True
         except:
             error_message = "[render_rubric] Could not parse the rubric with xml: {0}".format(rubric_xml)
@@ -38,7 +43,7 @@ class CombinedOpenEndedRubric(object):
             raise RubricParsingError(error_message)
         return success, html
 
-    def check_if_rubric_is_parseable(self, rubric_string, location, max_score_allowed):
+    def check_if_rubric_is_parseable(self, rubric_string, location, max_score_allowed, max_score):
         success, rubric_feedback = self.render_rubric(rubric_string)
         if not success:
             error_message = "Could not parse rubric : {0} for location {1}".format(rubric_string, location.url())
@@ -46,13 +51,21 @@ class CombinedOpenEndedRubric(object):
             raise RubricParsingError(error_message)
 
         rubric_categories = self.extract_categories(rubric_string)
+        total = 0
         for category in rubric_categories:
+            total = total + len(category['options']) - 1
             if len(category['options']) > (max_score_allowed + 1):
                 error_message = "Number of score points in rubric {0} higher than the max allowed, which is {1}".format(
                     len(category['options']), max_score_allowed)
                 log.error(error_message)
                 raise RubricParsingError(error_message)
 
+        if total != max_score:
+            error_msg = "The max score {0} for problem {1} does not match the total number of points in the rubric {2}".format(
+                    max_score, location, total)
+            log.error(error_msg)
+            raise RubricParsingError(error_msg)
+
     def extract_categories(self, element):
         '''
         Contstruct a list of categories such that the structure looks like:
@@ -60,8 +73,8 @@ class CombinedOpenEndedRubric(object):
             options: [{text: "Option 1 Name", points: 0}, {text:"Option 2 Name", points: 5}]
             },
            { category: "Category 2 Name",
-             options: [{text: "Option 1 Name", points: 0}, 
-                         {text: "Option 2 Name", points: 1}, 
+             options: [{text: "Option 1 Name", points: 0},
+                         {text: "Option 2 Name", points: 1},
                          {text: "Option 3 Name", points: 2]}]
 
         '''
@@ -77,7 +90,7 @@ class CombinedOpenEndedRubric(object):
 
 
     def extract_category(self, category):
-        ''' 
+        '''
         construct an individual category
         {category: "Category 1 Name",
          options: [{text: "Option 1 text", points: 1},
@@ -110,7 +123,7 @@ class CombinedOpenEndedRubric(object):
         autonumbering = True
         # parse options
         for option in optionsxml:
-            if option.tag != 'option': 
+            if option.tag != 'option':
                 raise RubricParsingError("[extract_category]: expected option tag, got {0} instead".format(option.tag))
             else:
                 pointstr = option.get("points")
@@ -127,7 +140,7 @@ class CombinedOpenEndedRubric(object):
                     cur_points = cur_points + 1
                 else:
                     raise Exception("[extract_category]: missing points attribute. Cannot continue to auto-create points values after a points value is explicitly defined.")
-                
+
                 selected = score == points
                 optiontext = option.text
                 options.append({'text': option.text, 'points': points, 'selected': selected})
diff --git a/common/lib/xmodule/xmodule/conditional_module.py b/common/lib/xmodule/xmodule/conditional_module.py
index e20681e614..787d355c4a 100644
--- a/common/lib/xmodule/xmodule/conditional_module.py
+++ b/common/lib/xmodule/xmodule/conditional_module.py
@@ -9,12 +9,13 @@ from pkg_resources import resource_string
 
 log = logging.getLogger('mitx.' + __name__)
 
+
 class ConditionalModule(XModule):
     '''
     Blocks child module from showing unless certain conditions are met.
 
     Example:
-        
+
         <conditional condition="require_completed" required="tag/url_name1&tag/url_name2">
             <video url_name="secret_video" />
         </conditional>
@@ -37,13 +38,17 @@ class ConditionalModule(XModule):
     def __init__(self, system, location, definition, descriptor, instance_state=None, shared_state=None, **kwargs):
         """
         In addition to the normal XModule init, provide:
-        
+
             self.condition            = string describing condition required
 
         """
         XModule.__init__(self, system, location, definition, descriptor, instance_state, shared_state, **kwargs)
         self.contents = None
-        self.condition = self.metadata.get('condition','')
+        self.condition = self.metadata.get('condition', '')
+        self._get_required_modules()
+        children = self.get_display_items()
+        if children:
+            self.icon_class = children[0].get_icon_class()
         #log.debug('conditional module required=%s' % self.required_modules_list)
 
     def _get_required_modules(self):
@@ -56,7 +61,7 @@ class ConditionalModule(XModule):
     def is_condition_satisfied(self):
         self._get_required_modules()
 
-        if self.condition=='require_completed':
+        if self.condition == 'require_completed':
             # all required modules must be completed, as determined by
             # the modules .is_completed() method
             for module in self.required_modules:
@@ -70,7 +75,7 @@ class ConditionalModule(XModule):
                 else:
                     log.debug('conditional module: %s IS completed' % module)
             return True
-        elif self.condition=='require_attempted':
+        elif self.condition == 'require_attempted':
             # all required modules must be attempted, as determined by
             # the modules .is_attempted() method
             for module in self.required_modules:
@@ -111,9 +116,10 @@ class ConditionalModule(XModule):
 
         # for now, just deal with one child
         html = self.contents[0]
-        
+
         return json.dumps({'html': html})
 
+
 class ConditionalDescriptor(SequenceDescriptor):
     module_class = ConditionalModule
 
@@ -125,17 +131,23 @@ class ConditionalDescriptor(SequenceDescriptor):
     def __init__(self, *args, **kwargs):
         super(ConditionalDescriptor, self).__init__(*args, **kwargs)
 
-        required_module_list = [tuple(x.split('/',1)) for x in self.metadata.get('required','').split('&')]
+        required_module_list = [tuple(x.split('/', 1)) for x in self.metadata.get('required', '').split('&')]
         self.required_module_locations = []
-        for (tag, name) in required_module_list:
+        for rm in required_module_list:
+            try:
+                (tag, name) = rm
+            except Exception as err:
+                msg = "Specification of required module in conditional is broken: %s" % self.metadata.get('required')
+                log.warning(msg)
+                self.system.error_tracker(msg)
+                continue
             loc = self.location.dict()
             loc['category'] = tag
             loc['name'] = name
             self.required_module_locations.append(Location(loc))
         log.debug('ConditionalDescriptor required_module_locations=%s' % self.required_module_locations)
-        
+
     def get_required_module_descriptors(self):
         """Returns a list of XModuleDescritpor instances upon which this module depends, but are
         not children of this module"""
         return [self.system.load_item(loc) for loc in self.required_module_locations]
-    
diff --git a/common/lib/xmodule/xmodule/contentstore/content.py b/common/lib/xmodule/xmodule/contentstore/content.py
index 5b10acc0ef..be33401bc8 100644
--- a/common/lib/xmodule/xmodule/contentstore/content.py
+++ b/common/lib/xmodule/xmodule/contentstore/content.py
@@ -11,15 +11,16 @@ from xmodule.modulestore import Location
 from .django import contentstore
 from PIL import Image
 
+
 class StaticContent(object):
     def __init__(self, loc, name, content_type, data, last_modified_at=None, thumbnail_location=None, import_path=None):
         self.location = loc
-        self.name = name #a display string which can be edited, and thus not part of the location which needs to be fixed
+        self.name = name   # a display string which can be edited, and thus not part of the location which needs to be fixed
         self.content_type = content_type
         self.data = data
         self.last_modified_at = last_modified_at
         self.thumbnail_location = Location(thumbnail_location) if thumbnail_location is not None else None
-        # optional information about where this file was imported from. This is needed to support import/export 
+        # optional information about where this file was imported from. This is needed to support import/export
         # cycles
         self.import_path = import_path
 
@@ -29,7 +30,7 @@ class StaticContent(object):
 
     @staticmethod
     def generate_thumbnail_name(original_name):
-        return ('{0}'+XASSET_THUMBNAIL_TAIL_NAME).format(os.path.splitext(original_name)[0])
+        return ('{0}' + XASSET_THUMBNAIL_TAIL_NAME).format(os.path.splitext(original_name)[0])
 
     @staticmethod
     def compute_location(org, course, name, revision=None, is_thumbnail=False):
@@ -41,7 +42,7 @@ class StaticContent(object):
 
     def get_url_path(self):
         return StaticContent.get_url_path_from_location(self.location)
-    
+
     @staticmethod
     def get_url_path_from_location(location):
         if location is not None:
@@ -56,15 +57,15 @@ class StaticContent(object):
 
     @staticmethod
     def get_id_from_location(location):
-        return { 'tag':location.tag, 'org' : location.org, 'course' : location.course,
-                   'category' : location.category, 'name' : location.name, 
-                   'revision' : location.revision}
+        return {'tag': location.tag, 'org': location.org, 'course': location.course,
+                   'category': location.category, 'name': location.name, 
+                   'revision': location.revision}
     @staticmethod
     def get_location_from_path(path):
         # remove leading / character if it is there one
         if path.startswith('/'):
             path = path[1:]
-        
+
         return Location(path.split('/'))
 
     @staticmethod
@@ -77,7 +78,7 @@ class StaticContent(object):
         return StaticContent.get_url_path_from_location(loc)
 
 
-    
+
 
 class ContentStore(object):
     '''
@@ -95,14 +96,14 @@ class ContentStore(object):
 
             [
 
-            {u'displayname': u'profile.jpg', u'chunkSize': 262144, u'length': 85374, 
-            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 183000), u'contentType': u'image/jpeg', 
-            u'_id': {u'category': u'asset', u'name': u'profile.jpg', u'course': u'6.002x', u'tag': u'c4x', 
-            u'org': u'MITx', u'revision': None}, u'md5': u'36dc53519d4b735eb6beba51cd686a0e'}, 
+            {u'displayname': u'profile.jpg', u'chunkSize': 262144, u'length': 85374,
+            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 183000), u'contentType': u'image/jpeg',
+            u'_id': {u'category': u'asset', u'name': u'profile.jpg', u'course': u'6.002x', u'tag': u'c4x',
+            u'org': u'MITx', u'revision': None}, u'md5': u'36dc53519d4b735eb6beba51cd686a0e'},
 
-            {u'displayname': u'profile.thumbnail.jpg', u'chunkSize': 262144, u'length': 4073, 
-            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 196000), u'contentType': u'image/jpeg', 
-            u'_id': {u'category': u'asset', u'name': u'profile.thumbnail.jpg', u'course': u'6.002x', u'tag': u'c4x', 
+            {u'displayname': u'profile.thumbnail.jpg', u'chunkSize': 262144, u'length': 4073,
+            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 196000), u'contentType': u'image/jpeg',
+            u'_id': {u'category': u'asset', u'name': u'profile.thumbnail.jpg', u'course': u'6.002x', u'tag': u'c4x',
             u'org': u'MITx', u'revision': None}, u'md5': u'ff1532598830e3feac91c2449eaa60d6'},
 
             ....
@@ -117,7 +118,7 @@ class ContentStore(object):
         thumbnail_name = StaticContent.generate_thumbnail_name(content.location.name)
 
         thumbnail_file_location = StaticContent.compute_location(content.location.org, content.location.course,
-            thumbnail_name, is_thumbnail = True)
+            thumbnail_name, is_thumbnail=True)
 
         # if we're uploading an image, then let's generate a thumbnail so that we can
         # serve it up when needed without having to rescale on the fly
@@ -129,7 +130,7 @@ class ContentStore(object):
                 # @todo: move the thumbnail size to a configuration setting?!?
                 im = Image.open(StringIO.StringIO(content.data))
 
-                # I've seen some exceptions from the PIL library when trying to save palletted 
+                # I've seen some exceptions from the PIL library when trying to save palletted
                 # PNG files to JPEG. Per the google-universe, they suggest converting to RGB first.
                 im = im.convert('RGB')
                 size = 128, 128
@@ -139,7 +140,7 @@ class ContentStore(object):
                 thumbnail_file.seek(0)
 
                 # store this thumbnail as any other piece of content
-                thumbnail_content = StaticContent(thumbnail_file_location, thumbnail_name, 
+                thumbnail_content = StaticContent(thumbnail_file_location, thumbnail_name,
                                                   'image/jpeg', thumbnail_file)
 
                 contentstore().save(thumbnail_content)
@@ -149,7 +150,3 @@ class ContentStore(object):
                 logging.exception("Failed to generate thumbnail for {0}. Exception: {1}".format(content.location, str(e)))
 
         return thumbnail_content, thumbnail_file_location
-
-
-
-
diff --git a/common/lib/xmodule/xmodule/contentstore/django.py b/common/lib/xmodule/xmodule/contentstore/django.py
index d8b3084135..ec0397a348 100644
--- a/common/lib/xmodule/xmodule/contentstore/django.py
+++ b/common/lib/xmodule/xmodule/contentstore/django.py
@@ -6,6 +6,7 @@ from django.conf import settings
 
 _CONTENTSTORE = None
 
+
 def load_function(path):
     """
     Load a function by name.
diff --git a/common/lib/xmodule/xmodule/contentstore/mongo.py b/common/lib/xmodule/xmodule/contentstore/mongo.py
index 01f189a9e4..68cc6d73d3 100644
--- a/common/lib/xmodule/xmodule/contentstore/mongo.py
+++ b/common/lib/xmodule/xmodule/contentstore/mongo.py
@@ -17,14 +17,14 @@ import os
 
 class MongoContentStore(ContentStore):
     def __init__(self, host, db, port=27017, user=None, password=None, **kwargs):
-        logging.debug( 'Using MongoDB for static content serving at host={0} db={1}'.format(host,db))
+        logging.debug('Using MongoDB for static content serving at host={0} db={1}'.format(host, db))
         _db = Connection(host=host, port=port, **kwargs)[db]
 
         if user is not None and password is not None:
             _db.authenticate(user, password)
 
         self.fs = gridfs.GridFS(_db)
-        self.fs_files = _db["fs.files"] # the underlying collection GridFS uses
+        self.fs_files = _db["fs.files"]   # the underlying collection GridFS uses
 
 
     def save(self, content):
@@ -33,24 +33,24 @@ class MongoContentStore(ContentStore):
         # Seems like with the GridFS we can't update existing ID's we have to do a delete/add pair
         self.delete(id)
 
-        with self.fs.new_file(_id = id, filename=content.get_url_path(), content_type=content.content_type, 
+        with self.fs.new_file(_id=id, filename=content.get_url_path(), content_type=content.content_type,
             displayname=content.name, thumbnail_location=content.thumbnail_location, import_path=content.import_path) as fp:
 
             fp.write(content.data)
-        
+
         return content
-        
+
     def delete(self, id):
-        if self.fs.exists({"_id" : id}):
+        if self.fs.exists({"_id": id}):
             self.fs.delete(id)
 
     def find(self, location):
         id = StaticContent.get_id_from_location(location)
         try:
             with self.fs.get(id) as fp:
-                return StaticContent(location, fp.displayname, fp.content_type, fp.read(), 
-                    fp.uploadDate, thumbnail_location = fp.thumbnail_location if hasattr(fp, 'thumbnail_location') else None,
-                    import_path = fp.import_path if hasattr(fp, 'import_path') else None)
+                return StaticContent(location, fp.displayname, fp.content_type, fp.read(),
+                    fp.uploadDate, thumbnail_location=fp.thumbnail_location if hasattr(fp, 'thumbnail_location') else None,
+                    import_path=fp.import_path if hasattr(fp, 'import_path') else None)
         except NoFile:
             raise NotFoundError()
 
@@ -76,25 +76,25 @@ class MongoContentStore(ContentStore):
             self.export(asset_location, output_directory)
 
     def get_all_content_thumbnails_for_course(self, location):
-        return self._get_all_content_for_course(location, get_thumbnails = True)
+        return self._get_all_content_for_course(location, get_thumbnails=True)
 
     def get_all_content_for_course(self, location):
-        return self._get_all_content_for_course(location, get_thumbnails = False)
+        return self._get_all_content_for_course(location, get_thumbnails=False)
 
-    def _get_all_content_for_course(self, location, get_thumbnails = False):
+    def _get_all_content_for_course(self, location, get_thumbnails=False):
         '''
         Returns a list of all static assets for a course. The return format is a list of dictionary elements. Example:
 
             [
 
-            {u'displayname': u'profile.jpg', u'chunkSize': 262144, u'length': 85374, 
-            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 183000), u'contentType': u'image/jpeg', 
-            u'_id': {u'category': u'asset', u'name': u'profile.jpg', u'course': u'6.002x', u'tag': u'c4x', 
-            u'org': u'MITx', u'revision': None}, u'md5': u'36dc53519d4b735eb6beba51cd686a0e'}, 
+            {u'displayname': u'profile.jpg', u'chunkSize': 262144, u'length': 85374,
+            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 183000), u'contentType': u'image/jpeg',
+            u'_id': {u'category': u'asset', u'name': u'profile.jpg', u'course': u'6.002x', u'tag': u'c4x',
+            u'org': u'MITx', u'revision': None}, u'md5': u'36dc53519d4b735eb6beba51cd686a0e'},
 
-            {u'displayname': u'profile.thumbnail.jpg', u'chunkSize': 262144, u'length': 4073, 
-            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 196000), u'contentType': u'image/jpeg', 
-            u'_id': {u'category': u'asset', u'name': u'profile.thumbnail.jpg', u'course': u'6.002x', u'tag': u'c4x', 
+            {u'displayname': u'profile.thumbnail.jpg', u'chunkSize': 262144, u'length': 4073,
+            u'uploadDate': datetime.datetime(2012, 10, 3, 5, 41, 54, 196000), u'contentType': u'image/jpeg',
+            u'_id': {u'category': u'asset', u'name': u'profile.thumbnail.jpg', u'course': u'6.002x', u'tag': u'c4x',
             u'org': u'MITx', u'revision': None}, u'md5': u'ff1532598830e3feac91c2449eaa60d6'},
 
             ....
@@ -102,10 +102,7 @@ class MongoContentStore(ContentStore):
             ]
         '''
         course_filter = Location(XASSET_LOCATION_TAG, category="asset" if not get_thumbnails else "thumbnail",
-            course=location.course,org=location.org)
+            course=location.course, org=location.org)
         # 'borrow' the function 'location_to_query' from the Mongo modulestore implementation
         items = self.fs_files.find(location_to_query(course_filter))
         return list(items)
-
-
-        
diff --git a/common/lib/xmodule/xmodule/course_module.py b/common/lib/xmodule/xmodule/course_module.py
index 6e3e2cfa39..2c69c449ba 100644
--- a/common/lib/xmodule/xmodule/course_module.py
+++ b/common/lib/xmodule/xmodule/course_module.py
@@ -147,37 +147,37 @@ class CourseDescriptor(SequenceDescriptor):
         """
         Return a dict which is a copy of the default grading policy
         """
-        default = {"GRADER" : [
+        default = {"GRADER": [
                 {
-                    "type" : "Homework",
-                    "min_count" : 12,
-                    "drop_count" : 2,
-                    "short_label" : "HW",
-                    "weight" : 0.15
+                    "type": "Homework",
+                    "min_count": 12,
+                    "drop_count": 2,
+                    "short_label": "HW",
+                    "weight": 0.15
                 },
                 {
-                    "type" : "Lab",
-                    "min_count" : 12,
-                    "drop_count" : 2,
-                    "weight" : 0.15
+                    "type": "Lab",
+                    "min_count": 12,
+                    "drop_count": 2,
+                    "weight": 0.15
                 },
                 {
-                    "type" : "Midterm Exam",
-                    "short_label" : "Midterm",
-                    "min_count" : 1,
-                    "drop_count" : 0,
-                    "weight" : 0.3
+                    "type": "Midterm Exam",
+                    "short_label": "Midterm",
+                    "min_count": 1,
+                    "drop_count": 0,
+                    "weight": 0.3
                 },
                 {
-                    "type" : "Final Exam",
-                    "short_label" : "Final",
-                    "min_count" : 1,
-                    "drop_count" : 0,
-                    "weight" : 0.4
+                    "type": "Final Exam",
+                    "short_label": "Final",
+                    "min_count": 1,
+                    "drop_count": 0,
+                    "weight": 0.4
                 }
             ],
-            "GRADE_CUTOFFS" : {
-                "Pass" : 0.5
+            "GRADE_CUTOFFS": {
+                "Pass": 0.5
             }}
         return copy.deepcopy(default)
 
@@ -230,8 +230,8 @@ class CourseDescriptor(SequenceDescriptor):
 
         # bleh, have to parse the XML here to just pull out the url_name attribute
         # I don't think it's stored anywhere in the instance.
-        course_file = StringIO(xml_data.encode('ascii','ignore'))
-        xml_obj = etree.parse(course_file,parser=edx_xml_parser).getroot()
+        course_file = StringIO(xml_data.encode('ascii', 'ignore'))
+        xml_obj = etree.parse(course_file, parser=edx_xml_parser).getroot()
 
         policy_dir = None
         url_name = xml_obj.get('url_name', xml_obj.get('slug'))
@@ -329,7 +329,7 @@ class CourseDescriptor(SequenceDescriptor):
     def raw_grader(self, value):
         # NOTE WELL: this change will not update the processed graders. If we need that, this needs to call grader_from_conf
         self._grading_policy['RAW_GRADER'] = value
-        self.definition['data'].setdefault('grading_policy',{})['GRADER'] = value
+        self.definition['data'].setdefault('grading_policy', {})['GRADER'] = value
 
     @property
     def grade_cutoffs(self):
@@ -338,7 +338,7 @@ class CourseDescriptor(SequenceDescriptor):
     @grade_cutoffs.setter
     def grade_cutoffs(self, value):
         self._grading_policy['GRADE_CUTOFFS'] = value
-        self.definition['data'].setdefault('grading_policy',{})['GRADE_CUTOFFS'] = value
+        self.definition['data'].setdefault('grading_policy', {})['GRADE_CUTOFFS'] = value
 
 
     @property
@@ -377,7 +377,7 @@ class CourseDescriptor(SequenceDescriptor):
         Return list of topic ids defined in course policy.
         """
         topics = self.metadata.get("discussion_topics", {})
-        return [d["id"] for d in topics.values()] 
+        return [d["id"] for d in topics.values()]
 
 
     @property
@@ -436,17 +436,17 @@ class CourseDescriptor(SequenceDescriptor):
         scale = 300.0  # about a year
         if announcement:
             days = (now - announcement).days
-            score = -exp(-days/scale)
+            score = -exp(-days / scale)
         else:
             days = (now - start).days
-            score = exp(days/scale)
+            score = exp(days / scale)
         return score
 
     def _sorting_dates(self):
         # utility function to get datetime objects for dates used to
         # compute the is_new flag and the sorting_score
         def to_datetime(timestamp):
-            return datetime.fromtimestamp(time.mktime(timestamp))
+            return datetime(*timestamp[:6])
 
         def get_date(field):
             timetuple = self._try_parse_time(field)
@@ -501,16 +501,16 @@ class CourseDescriptor(SequenceDescriptor):
                     xmoduledescriptors.append(s)
 
                     # The xmoduledescriptors included here are only the ones that have scores.
-                    section_description = { 'section_descriptor' : s, 'xmoduledescriptors' : filter(lambda child: child.has_score, xmoduledescriptors) }
+                    section_description = {'section_descriptor': s, 'xmoduledescriptors': filter(lambda child: child.has_score, xmoduledescriptors)}
 
                     section_format = s.metadata.get('format', "")
-                    graded_sections[ section_format ] = graded_sections.get( section_format, [] ) + [section_description]
+                    graded_sections[section_format] = graded_sections.get(section_format, []) + [section_description]
 
                     all_descriptors.extend(xmoduledescriptors)
                     all_descriptors.append(s)
 
-        return { 'graded_sections' : graded_sections,
-                 'all_descriptors' : all_descriptors,}
+        return {'graded_sections': graded_sections,
+                 'all_descriptors': all_descriptors, }
 
 
     @staticmethod
@@ -636,7 +636,7 @@ class CourseDescriptor(SequenceDescriptor):
             # *end* of the same day, not the same time.  It's going to be used as the
             # end of the exam overall, so we don't want the exam to disappear too soon.
             # It's also used optionally as the registration end date, so time matters there too.
-            self.last_eligible_appointment_date = self._try_parse_time('Last_Eligible_Appointment_Date') # or self.first_eligible_appointment_date
+            self.last_eligible_appointment_date = self._try_parse_time('Last_Eligible_Appointment_Date')   # or self.first_eligible_appointment_date
             if self.last_eligible_appointment_date is None:
                 raise ValueError("Last appointment date must be specified")
             self.registration_start_date = self._try_parse_time('Registration_Start_Date') or time.gmtime(0)
@@ -648,7 +648,7 @@ class CourseDescriptor(SequenceDescriptor):
                 raise ValueError("First appointment date must be before last appointment date")
             if self.registration_end_date > self.last_eligible_appointment_date:
                 raise ValueError("Registration end date must be before last appointment date")
-
+            self.exam_url = exam_info.get('Exam_URL')
 
         def _try_parse_time(self, key):
             """
@@ -704,6 +704,10 @@ class CourseDescriptor(SequenceDescriptor):
         else:
             return None
 
+    def get_test_center_exam(self, exam_series_code):
+        exams = [exam for exam in self.test_center_exams if exam.exam_series_code == exam_series_code]
+        return exams[0] if len(exams) == 1 else None
+        
     @property
     def title(self):
         return self.display_name
@@ -715,4 +719,3 @@ class CourseDescriptor(SequenceDescriptor):
     @property
     def org(self):
         return self.location.org
-
diff --git a/common/lib/xmodule/xmodule/css/combinedopenended/display.scss b/common/lib/xmodule/xmodule/css/combinedopenended/display.scss
index 38fd6ba01c..8d921f828b 100644
--- a/common/lib/xmodule/xmodule/css/combinedopenended/display.scss
+++ b/common/lib/xmodule/xmodule/css/combinedopenended/display.scss
@@ -231,47 +231,6 @@ div.result-container {
       }
 }
 
-div.result-container, section.open-ended-child {
-    .rubric {
-            margin-bottom:25px;
-            tr {
-                margin:10px 0px;
-                height: 100%;
-            }
-            td {
-                padding: 20px 0px 25px 0px;
-                margin: 10px 0px;
-                height: 100%;
-            }
-            th {
-                padding: 5px;
-                margin: 5px;
-            }
-            label,
-            .view-only {
-                margin:2px;
-                position: relative;
-                padding: 10px 15px 25px 15px;
-                width: 145px;
-                height:100%;
-                display: inline-block;
-                min-height: 50px;
-                min-width: 50px;
-                background-color: #CCC;
-                font-size: .85em;
-            }
-            .grade {
-              position: absolute;
-              bottom:0px;
-              right:0px;
-              margin:10px;
-            }
-            .selected-grade {
-              background: #666;
-              color: white;
-            }
-        }
-}
 
 section.open-ended-child {
   @media print {
@@ -445,7 +404,6 @@ section.open-ended-child {
     div.short-form-response {
           background: #F6F6F6;
           border: 1px solid #ddd;
-          border-top: 0;
           margin-bottom: 20px;
           overflow-y: auto;
           height: 200px;
@@ -586,11 +544,6 @@ section.open-ended-child {
     }
 
     .submission_feedback {
-      // background: #F3F3F3;
-      // border: 1px solid #ddd;
-      // @include border-radius(3px);
-      // padding: 8px 12px;
-      // margin-top: 10px;
       @include inline-block;
       font-style: italic;
       margin: 8px 0 0 10px;
diff --git a/common/lib/xmodule/xmodule/discussion_module.py b/common/lib/xmodule/xmodule/discussion_module.py
index 57d7780d95..6ddfcbe6c0 100644
--- a/common/lib/xmodule/xmodule/discussion_module.py
+++ b/common/lib/xmodule/xmodule/discussion_module.py
@@ -6,6 +6,7 @@ from xmodule.raw_module import RawDescriptor
 
 import json
 
+
 class DiscussionModule(XModule):
     js = {'coffee':
             [resource_string(__name__, 'js/src/time.coffee'),
@@ -30,6 +31,7 @@ class DiscussionModule(XModule):
         self.title = xml_data.attrib['for']
         self.discussion_category = xml_data.attrib['discussion_category']
 
+
 class DiscussionDescriptor(RawDescriptor):
     module_class = DiscussionModule
     template_dir_name = "discussion"
diff --git a/common/lib/xmodule/xmodule/errortracker.py b/common/lib/xmodule/xmodule/errortracker.py
index 6accc8b8a7..80e6d288f8 100644
--- a/common/lib/xmodule/xmodule/errortracker.py
+++ b/common/lib/xmodule/xmodule/errortracker.py
@@ -8,12 +8,14 @@ log = logging.getLogger(__name__)
 
 ErrorLog = namedtuple('ErrorLog', 'tracker errors')
 
+
 def exc_info_to_str(exc_info):
     """Given some exception info, convert it into a string using
     the traceback.format_exception() function.
     """
     return ''.join(traceback.format_exception(*exc_info))
 
+
 def in_exception_handler():
     '''Is there an active exception?'''
     return sys.exc_info() != (None, None, None)
@@ -44,6 +46,7 @@ def make_error_tracker():
 
     return ErrorLog(error_tracker, errors)
 
+
 def null_error_tracker(msg):
     '''A dummy error tracker that just ignores the messages'''
     pass
diff --git a/common/lib/xmodule/xmodule/graders.py b/common/lib/xmodule/xmodule/graders.py
index 3e6d61eb00..35318f4f1e 100644
--- a/common/lib/xmodule/xmodule/graders.py
+++ b/common/lib/xmodule/xmodule/graders.py
@@ -49,6 +49,7 @@ def invalid_args(func, argdict):
     if keywords: return set()  # All accepted
     return set(argdict) - set(args)
 
+
 def grader_from_conf(conf):
     """
     This creates a CourseGrader from a configuration (such as in course_settings.py).
@@ -80,7 +81,7 @@ def grader_from_conf(conf):
                 subgrader_class = SingleSectionGrader
             else:
                 raise ValueError("Configuration has no appropriate grader class.")
-            
+
             bad_args = invalid_args(subgrader_class.__init__, subgraderconf)
             # See note above concerning 'name'.
             if bad_args.issuperset({name}):
@@ -90,7 +91,7 @@ def grader_from_conf(conf):
                 log.warning("Invalid arguments for a subgrader: %s", bad_args)
                 for key in bad_args:
                     del subgraderconf[key]
-            
+
             subgrader = subgrader_class(**subgraderconf)
             subgraders.append((subgrader, subgrader.category, weight))
 
@@ -210,13 +211,13 @@ class SingleSectionGrader(CourseGrader):
                     break
 
         if foundScore or generate_random_scores:
-            if generate_random_scores:	# for debugging!
-                earned = random.randint(2,15)
+            if generate_random_scores:  	# for debugging!
+                earned = random.randint(2, 15)
                 possible = random.randint(earned, 15)
-            else: # We found the score
+            else:   # We found the score
                 earned = foundScore.earned
                 possible = foundScore.possible
-                
+
             percent = earned / float(possible)
             detail = "{name} - {percent:.0%} ({earned:.3n}/{possible:.3n})".format(name=self.name,
                                                                         percent=percent,
@@ -245,7 +246,7 @@ class AssignmentFormatGrader(CourseGrader):
     min_count defines how many assignments are expected throughout the course. Placeholder
     scores (of 0) will be inserted if the number of matching sections in the course is < min_count.
     If there number of matching sections in the course is > min_count, min_count will be ignored.
-    
+
     show_only_average is to suppress the display of each assignment in this grader and instead
     only show the total score of this grader in the breakdown.
 
@@ -257,7 +258,7 @@ class AssignmentFormatGrader(CourseGrader):
 
     short_label is similar to section_type, but shorter. For example, for Homework it would be
     "HW".
-    
+
     starting_index is the first number that will appear. For example, starting_index=3 and
     min_count = 2 would produce the labels "Assignment 3", "Assignment 4"
 
@@ -296,16 +297,16 @@ class AssignmentFormatGrader(CourseGrader):
         breakdown = []
         for i in range(max(self.min_count, len(scores))):
             if i < len(scores) or generate_random_scores:
-                if generate_random_scores:	# for debugging!
-                    earned = random.randint(2,15)
-                    possible = random.randint(earned, 15)                    
+                if generate_random_scores:  	# for debugging!
+                    earned = random.randint(2, 15)
+                    possible = random.randint(earned, 15)
                     section_name = "Generated"
-                    
+
                 else:
                     earned = scores[i].earned
                     possible = scores[i].possible
                     section_name = scores[i].section
-                
+
                 percentage = earned / float(possible)
                 summary = "{section_type} {index} - {name} - {percent:.0%} ({earned:.3n}/{possible:.3n})".format(index=i + self.starting_index,
                                                                 section_type=self.section_type,
@@ -318,7 +319,7 @@ class AssignmentFormatGrader(CourseGrader):
                 summary = "{section_type} {index} Unreleased - 0% (?/?)".format(index=i + self.starting_index, section_type=self.section_type)
 
             short_label = "{short_label} {index:02d}".format(index=i + self.starting_index, short_label=self.short_label)
-            
+
             breakdown.append({'percent': percentage, 'label': short_label, 'detail': summary, 'category': self.category})
 
         total_percent, dropped_indices = totalWithDrops(breakdown, self.drop_count)
@@ -328,13 +329,13 @@ class AssignmentFormatGrader(CourseGrader):
 
         total_detail = "{section_type} Average = {percent:.0%}".format(percent=total_percent, section_type=self.section_type)
         total_label = "{short_label} Avg".format(short_label=self.short_label)
-        
+
         if self.show_only_average:
             breakdown = []
-        
+
         if not self.hide_average:
             breakdown.append({'percent': total_percent, 'label': total_label, 'detail': total_detail, 'category': self.category, 'prominent': True})
-        
+
         return {'percent': total_percent,
                 'section_breakdown': breakdown,
                 #No grade_breakdown here
diff --git a/common/lib/xmodule/xmodule/grading_service_module.py b/common/lib/xmodule/xmodule/grading_service_module.py
index 7c18731f53..10c6f16adb 100644
--- a/common/lib/xmodule/xmodule/grading_service_module.py
+++ b/common/lib/xmodule/xmodule/grading_service_module.py
@@ -10,9 +10,11 @@ from lxml import etree
 
 log = logging.getLogger(__name__)
 
+
 class GradingServiceError(Exception):
     pass
 
+
 class GradingService(object):
     """
     Interface to staff grading backend.
@@ -35,7 +37,7 @@ class GradingService(object):
         """
         response = self.session.post(self.login_url,
             {'username': self.username,
-             'password': self.password,})
+             'password': self.password, })
 
         response.raise_for_status()
 
@@ -111,7 +113,7 @@ class GradingService(object):
         try:
             if 'rubric' in response_json:
                 rubric = response_json['rubric']
-                rubric_renderer = CombinedOpenEndedRubric(self.system, False)
+                rubric_renderer = CombinedOpenEndedRubric(self.system, view_only)
                 success, rubric_html = rubric_renderer.render_rubric(rubric)
                 response_json['rubric'] = rubric_html
             return response_json
@@ -124,4 +126,4 @@ class GradingService(object):
         except ValueError:
             log.exception("Error parsing response: {0}".format(response))
             return {'success': False,
-                    'error': "Error displaying submission"}
\ No newline at end of file
+                    'error': "Error displaying submission"}
diff --git a/common/lib/xmodule/xmodule/html_checker.py b/common/lib/xmodule/xmodule/html_checker.py
index 5e6b417d28..b30e5163a2 100644
--- a/common/lib/xmodule/xmodule/html_checker.py
+++ b/common/lib/xmodule/xmodule/html_checker.py
@@ -1,5 +1,6 @@
 from lxml import etree
 
+
 def check_html(html):
     '''
     Check whether the passed in html string can be parsed by lxml.
diff --git a/common/lib/xmodule/xmodule/html_module.py b/common/lib/xmodule/xmodule/html_module.py
index 612e78ce35..af1ce0ad80 100644
--- a/common/lib/xmodule/xmodule/html_module.py
+++ b/common/lib/xmodule/xmodule/html_module.py
@@ -133,7 +133,7 @@ class HtmlDescriptor(XmlDescriptor, EditingDescriptor):
 
                     # TODO (ichuang): remove this after migration
                     # for Fall 2012 LMS migration: keep filename (and unmangled filename)
-                    definition['filename'] = [ filepath, filename ]
+                    definition['filename'] = [filepath, filename]
 
                     return definition
 
@@ -180,6 +180,7 @@ class AboutDescriptor(HtmlDescriptor):
     """
     template_dir_name = "about"
 
+
 class StaticTabDescriptor(HtmlDescriptor):
     """
     These pieces of course content are treated as HtmlModules but we need to overload where the templates are located
@@ -187,6 +188,7 @@ class StaticTabDescriptor(HtmlDescriptor):
     """
     template_dir_name = "statictab"
 
+
 class CourseInfoDescriptor(HtmlDescriptor):
     """
     These pieces of course content are treated as HtmlModules but we need to overload where the templates are located
diff --git a/common/lib/xmodule/xmodule/js/src/capa/display.coffee b/common/lib/xmodule/xmodule/js/src/capa/display.coffee
index 5890686c0e..57ff85298c 100644
--- a/common/lib/xmodule/xmodule/js/src/capa/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/capa/display.coffee
@@ -11,8 +11,9 @@ class @Problem
     $(selector, @el)
 
   bind: =>
-    @el.find('.problem > div').each (index, element) =>
-      MathJax.Hub.Queue ["Typeset", MathJax.Hub, element]
+    if MathJax?
+      @el.find('.problem > div').each (index, element) =>
+        MathJax.Hub.Queue ["Typeset", MathJax.Hub, element]
 
     window.update_schematics()
 
@@ -31,8 +32,9 @@ class @Problem
 
     # Dynamath
     @$('input.math').keyup(@refreshMath)
-    @$('input.math').each (index, element) =>
-      MathJax.Hub.Queue [@refreshMath, null, element]
+    if MathJax?
+      @$('input.math').each (index, element) =>
+        MathJax.Hub.Queue [@refreshMath, null, element]
 
   updateProgress: (response) =>
     if response.progress_changed
@@ -230,8 +232,9 @@ class @Problem
               showMethod = @inputtypeShowAnswerMethods[cls]
               showMethod(inputtype, display, answers) if showMethod?
 
-        @el.find('.problem > div').each (index, element) =>
-          MathJax.Hub.Queue ["Typeset", MathJax.Hub, element]
+        if MathJax?
+          @el.find('.problem > div').each (index, element) =>
+            MathJax.Hub.Queue ["Typeset", MathJax.Hub, element]
 
         @$('.show').val 'Hide Answer'
         @el.addClass 'showed'
@@ -273,7 +276,7 @@ class @Problem
     preprocessor_tag = "inputtype_" + elid
     mathjax_preprocessor = @inputtypeDisplays[preprocessor_tag]
 
-    if jax = MathJax.Hub.getAllJax(target)[0]
+    if MathJax? and jax = MathJax.Hub.getAllJax(target)[0]
       eqn = $(element).val()
       if mathjax_preprocessor
         eqn = mathjax_preprocessor(eqn)
@@ -286,7 +289,8 @@ class @Problem
       $("##{element.id}_dynamath").val(jax.root.toMathML '')
     catch exception
       throw exception unless exception.restart
-      MathJax.Callback.After [@refreshMath, jax], exception.restart
+      if MathJax?
+        MathJax.Callback.After [@refreshMath, jax], exception.restart
 
   refreshAnswers: =>
     @$('input.schematic').each (index, element) ->
diff --git a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
index cd85d93381..ae63171ed4 100644
--- a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
@@ -1,3 +1,36 @@
+class @Rubric
+  constructor: () ->
+
+  # finds the scores for each rubric category
+  @get_score_list: () =>
+    # find the number of categories:
+    num_categories = $('table.rubric tr').length
+
+    score_lst = []
+    # get the score for each one
+    for i in [0..(num_categories-2)]
+      score = $("input[name='score-selection-#{i}']:checked").val()
+      score_lst.push(score)
+
+    return score_lst
+
+  @get_total_score: () ->
+    score_lst = @get_score_list()
+    tot = 0
+    for score in score_lst
+      tot += parseInt(score)
+    return tot
+
+  @check_complete: () ->
+     # check to see whether or not any categories have not been scored
+    num_categories = $('table.rubric tr').length
+    # -2 because we want to skip the header
+    for i in [0..(num_categories-2)]
+      score = $("input[name='score-selection-#{i}']:checked").val()
+      if score == undefined
+        return false
+    return true
+
 class @CombinedOpenEnded
   constructor: (element) ->
     @element=element
@@ -222,9 +255,9 @@ class @CombinedOpenEnded
 
   save_assessment: (event) =>
     event.preventDefault()
-    if @child_state == 'assessing'
-      checked_assessment = @$('input[name="grade-selection"]:checked')
-      data = {'assessment' : checked_assessment.val()}
+    if @child_state == 'assessing' && Rubric.check_complete()
+      checked_assessment = Rubric.get_total_score()
+      data = {'assessment' : checked_assessment}
       $.postWithPrefix "#{@ajax_url}/save_assessment", data, (response) =>
         if response.success
           @child_state = response.state
diff --git a/common/lib/xmodule/xmodule/js/src/html/edit.coffee b/common/lib/xmodule/xmodule/js/src/html/edit.coffee
index 238182f3d9..eae9df0f20 100644
--- a/common/lib/xmodule/xmodule/js/src/html/edit.coffee
+++ b/common/lib/xmodule/xmodule/js/src/html/edit.coffee
@@ -107,12 +107,13 @@ class @HTMLEditingDescriptor
     # In order for isDirty() to return true ONLY if edits have been made after setting the text,
     # both the startContent must be sync'ed up and the dirty flag set to false.
     visualEditor.startContent = visualEditor.getContent({format: "raw", no_events: 1});
-    visualEditor.isNotDirty = true
     @focusVisualEditor(visualEditor)
     @showingVisualEditor = true
 
   focusVisualEditor: (visualEditor) =>
     visualEditor.focus()
+    # Need to mark editor as not dirty both when it is initially created and when we switch back to it.
+    visualEditor.isNotDirty = true
     if not @$mceToolbar?
       @$mceToolbar = $(@element).find('table.mceToolbar')
 
diff --git a/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee b/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
index ee98905cda..deeb82900b 100644
--- a/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
+++ b/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
@@ -233,23 +233,11 @@ class @PeerGradingProblem
   fetch_submission_essay: () =>
     @backend.post('get_next_submission', {location: @location}, @render_submission)
 
-  # finds the scores for each rubric category
-  get_score_list: () =>
-    # find the number of categories:
-    num_categories = $('table.rubric tr').length
-
-    score_lst = []
-    # get the score for each one
-    for i in [0..(num_categories-1)]
-      score = $("input[name='score-selection-#{i}']:checked").val()
-      score_lst.push(score)
-
-    return score_lst
 
   construct_data: () ->
     data =
-      rubric_scores: @get_score_list()
-      score: @grade
+      rubric_scores: Rubric.get_score_list()
+      score: Rubric.get_total_score()
       location: @location
       submission_id: @essay_id_input.val()
       submission_key: @submission_key_input.val()
@@ -317,17 +305,11 @@ class @PeerGradingProblem
 
   # called after a grade is selected on the interface
   graded_callback: (event) =>
-    @grade = $("input[name='grade-selection']:checked").val()
-    if @grade == undefined
-      return
     # check to see whether or not any categories have not been scored
-    num_categories = $('table.rubric tr').length
-    for i in [0..(num_categories-1)]
-      score = $("input[name='score-selection-#{i}']:checked").val()
-      if score == undefined
-        return
-    # show button if we have scores for all categories
-    @show_submit_button()
+    if Rubric.check_complete()
+      # show button if we have scores for all categories
+      @show_submit_button()
+      @grade = Rubric.get_total_score()
 
 
 
@@ -401,6 +383,7 @@ class @PeerGradingProblem
   # render common information between calibration and grading
   render_submission_data: (response) =>
     @content_panel.show()
+    @error_container.hide()
 
     @submission_container.append(@make_paragraphs(response.student_response))
     @prompt_container.html(response.prompt)
@@ -448,28 +431,5 @@ class @PeerGradingProblem
     @submit_button.show()
 
   setup_score_selection: (max_score) =>
-
-    # first, get rid of all the old inputs, if any.
-    @score_selection_container.html("""
-    <h3>Overall Score</h3>
-    <p>Choose an overall score for this submission.</p>
-    """)
-
-    # Now create new labels and inputs for each possible score.
-    for score in [0..max_score]
-      id = 'score-' + score
-      label = """<label for="#{id}">#{score}</label>"""
-
-      input = """
-              <input type="radio" name="grade-selection" id="#{id}" value="#{score}"/>
-              """       # "  fix broken parsing in emacs
-      @score_selection_container.append(input + label)
-
     # And now hook up an event handler again
-    $("input[name='score-selection']").change @graded_callback
-    $("input[name='grade-selection']").change @graded_callback
-
-#mock_backend = false
-#ajax_url = $('.peer-grading').data('ajax_url')
-#backend = new PeerGradingProblemBackend(ajax_url, mock_backend)
-#$(document).ready(() -> new PeerGradingProblem(backend))
+    $("input[class='score-selection']").change @graded_callback
diff --git a/common/lib/xmodule/xmodule/js/src/xmodule.coffee b/common/lib/xmodule/xmodule/js/src/xmodule.coffee
index 61ffd239bb..3f919893a3 100644
--- a/common/lib/xmodule/xmodule/js/src/xmodule.coffee
+++ b/common/lib/xmodule/xmodule/js/src/xmodule.coffee
@@ -20,7 +20,10 @@
       return module
 
     catch error
-      console.error "Unable to load #{moduleType}: #{error.message}" if console
+      if window.console and console.log
+        console.error "Unable to load #{moduleType}: #{error.message}"
+      else
+        throw error
 
   ###
   Load all modules on the page of the specified type.
diff --git a/common/lib/xmodule/xmodule/mako_module.py b/common/lib/xmodule/xmodule/mako_module.py
index f5f2fae23b..dab5d5e85b 100644
--- a/common/lib/xmodule/xmodule/mako_module.py
+++ b/common/lib/xmodule/xmodule/mako_module.py
@@ -34,7 +34,7 @@ class MakoModuleDescriptor(XModuleDescriptor):
         """
         return {'module': self,
                 'metadata': self.metadata,
-                'editable_metadata_fields' : self.editable_metadata_fields
+                'editable_metadata_fields': self.editable_metadata_fields
                 }
 
     def get_html(self):
@@ -46,4 +46,3 @@ class MakoModuleDescriptor(XModuleDescriptor):
     def editable_metadata_fields(self):
         subset = [name for name in self.metadata.keys() if name not in self.system_metadata_fields]
         return subset
-
diff --git a/common/lib/xmodule/xmodule/modulestore/__init__.py b/common/lib/xmodule/xmodule/modulestore/__init__.py
index 38915adcb4..a9df6c3504 100644
--- a/common/lib/xmodule/xmodule/modulestore/__init__.py
+++ b/common/lib/xmodule/xmodule/modulestore/__init__.py
@@ -365,7 +365,7 @@ class ModuleStore(object):
         raise NotImplementedError
 
     def get_parent_locations(self, location, course_id):
-        '''Find all locations that are the parents of this location in this 
+        '''Find all locations that are the parents of this location in this
         course.  Needed for path_to_location().
 
         returns an iterable of things that can be passed to Location.
diff --git a/common/lib/xmodule/xmodule/modulestore/draft.py b/common/lib/xmodule/xmodule/modulestore/draft.py
index ef2a848cac..81f4da2780 100644
--- a/common/lib/xmodule/xmodule/modulestore/draft.py
+++ b/common/lib/xmodule/xmodule/modulestore/draft.py
@@ -67,7 +67,7 @@ class DraftModuleStore(ModuleStoreBase):
         TODO (vshnayder): this may want to live outside the modulestore eventually
         """
 
-        # cdodge: we're forcing depth=0 here as the Draft store is not handling caching well 
+        # cdodge: we're forcing depth=0 here as the Draft store is not handling caching well
         try:
             return wrap_draft(super(DraftModuleStore, self).get_instance(course_id, as_draft(location), depth=0))
         except ItemNotFoundError:
diff --git a/common/lib/xmodule/xmodule/modulestore/mongo.py b/common/lib/xmodule/xmodule/modulestore/mongo.py
index 3b92876673..f4db62ac31 100644
--- a/common/lib/xmodule/xmodule/modulestore/mongo.py
+++ b/common/lib/xmodule/xmodule/modulestore/mongo.py
@@ -304,7 +304,7 @@ class MongoModuleStore(ModuleStoreBase):
             if location.category == 'static_tab':
                 course = self.get_course_for_item(item.location)
                 existing_tabs = course.tabs or []
-                existing_tabs.append({'type':'static_tab', 'name' : item.metadata.get('display_name'), 'url_slug' : item.location.name})
+                existing_tabs.append({'type': 'static_tab', 'name': item.metadata.get('display_name'), 'url_slug': item.location.name})
                 course.tabs = existing_tabs
                 self.update_metadata(course.location, course.metadata)
 
@@ -423,7 +423,7 @@ class MongoModuleStore(ModuleStoreBase):
 
 
     def get_parent_locations(self, location, course_id):
-        '''Find all locations that are the parents of this location in this 
+        '''Find all locations that are the parents of this location in this
         course.  Needed for path_to_location().
         '''
         location = Location.ensure_fully_specified(location)
diff --git a/common/lib/xmodule/xmodule/modulestore/search.py b/common/lib/xmodule/xmodule/modulestore/search.py
index e53df84bb6..b56b612592 100644
--- a/common/lib/xmodule/xmodule/modulestore/search.py
+++ b/common/lib/xmodule/xmodule/modulestore/search.py
@@ -104,14 +104,14 @@ def path_to_location(modulestore, course_id, location):
     # module nested in more than one positional module will work.
     if n > 3:
         position_list = []
-        for path_index in range(2, n-1):
+        for path_index in range(2, n - 1):
             category = path[path_index].category
             if  category == 'sequential' or category == 'videosequence':
                 section_desc = modulestore.get_instance(course_id, path[path_index])
                 child_locs = [c.location for c in section_desc.get_children()]
                 # positions are 1-indexed, and should be strings to be consistent with
                 # url parsing.
-                position_list.append(str(child_locs.index(path[path_index+1]) + 1))
+                position_list.append(str(child_locs.index(path[path_index + 1]) + 1))
         position = "_".join(position_list)
 
     return (course_id, chapter, section, position)
diff --git a/common/lib/xmodule/xmodule/modulestore/store_utilities.py b/common/lib/xmodule/xmodule/modulestore/store_utilities.py
index af346dbb7e..192b012bef 100644
--- a/common/lib/xmodule/xmodule/modulestore/store_utilities.py
+++ b/common/lib/xmodule/xmodule/modulestore/store_utilities.py
@@ -3,6 +3,7 @@ from xmodule.contentstore.content import StaticContent
 from xmodule.modulestore import Location
 from xmodule.modulestore.mongo import MongoModuleStore
 
+
 def clone_course(modulestore, contentstore, source_location, dest_location, delete_original=False):
   # first check to see if the modulestore is Mongo backed
   if not isinstance(modulestore, MongoModuleStore):
@@ -13,7 +14,7 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
   if not modulestore.has_item(dest_location):
     raise Exception("An empty course at {0} must have already been created. Aborting...".format(dest_location))
 
-  # verify that the dest_location really is an empty course, which means only one 
+  # verify that the dest_location really is an empty course, which means only one
   dest_modules = modulestore.get_items([dest_location.tag, dest_location.org, dest_location.course, None, None, None])
 
   if len(dest_modules) != 1:
@@ -31,12 +32,12 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
     original_loc = Location(module.location)
 
     if original_loc.category != 'course':
-      module.location = module.location._replace(tag = dest_location.tag, org = dest_location.org, 
-        course = dest_location.course)
+      module.location = module.location._replace(tag=dest_location.tag, org=dest_location.org, 
+        course=dest_location.course)
     else:
       # on the course module we also have to update the module name
-      module.location = module.location._replace(tag = dest_location.tag, org = dest_location.org, 
-        course = dest_location.course, name=dest_location.name)
+      module.location = module.location._replace(tag=dest_location.tag, org=dest_location.org, 
+        course=dest_location.course, name=dest_location.name)
 
     print "Cloning module {0} to {1}....".format(original_loc, module.location)
 
@@ -48,8 +49,8 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
       new_children = []
       for child_loc_url in module.definition['children']:
         child_loc = Location(child_loc_url)
-        child_loc = child_loc._replace(tag = dest_location.tag, org = dest_location.org, 
-        course = dest_location.course)
+        child_loc = child_loc._replace(tag=dest_location.tag, org=dest_location.org,
+        course=dest_location.course)
         new_children = new_children + [child_loc.url()]
 
       modulestore.update_children(module.location, new_children)
@@ -63,8 +64,8 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
   for thumb in thumbs:
     thumb_loc = Location(thumb["_id"])
     content = contentstore.find(thumb_loc)
-    content.location = content.location._replace(org = dest_location.org, 
-        course = dest_location.course)
+    content.location = content.location._replace(org=dest_location.org,
+        course=dest_location.course)
 
     print "Cloning thumbnail {0} to {1}".format(thumb_loc, content.location)
 
@@ -76,13 +77,13 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
   for asset in assets:
     asset_loc = Location(asset["_id"])
     content = contentstore.find(asset_loc)
-    content.location = content.location._replace(org = dest_location.org, 
-        course = dest_location.course)
+    content.location = content.location._replace(org=dest_location.org,
+        course=dest_location.course)
 
     # be sure to update the pointer to the thumbnail
     if content.thumbnail_location is not None:
-      content.thumbnail_location = content.thumbnail_location._replace(org = dest_location.org, 
-        course = dest_location.course)
+      content.thumbnail_location = content.thumbnail_location._replace(org=dest_location.org, 
+        course=dest_location.course)
 
     print "Cloning asset {0} to {1}".format(asset_loc, content.location)
 
@@ -90,6 +91,7 @@ def clone_course(modulestore, contentstore, source_location, dest_location, dele
 
   return True
 
+
 def delete_course(modulestore, contentstore, source_location):
     # first check to see if the modulestore is Mongo backed
   if not isinstance(modulestore, MongoModuleStore):
@@ -119,7 +121,7 @@ def delete_course(modulestore, contentstore, source_location):
   modules = modulestore.get_items([source_location.tag, source_location.org, source_location.course, None, None, None])
 
   for module in modules:
-    if module.category != 'course': # save deleting the course module for last
+    if module.category != 'course':   # save deleting the course module for last
       print "Deleting {0}...".format(module.location)
       modulestore.delete_item(module.location)
 
@@ -127,4 +129,4 @@ def delete_course(modulestore, contentstore, source_location):
   print "Deleting {0}...".format(source_location)
   modulestore.delete_item(source_location)
 
-  return True
\ No newline at end of file
+  return True
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/__init__.py b/common/lib/xmodule/xmodule/modulestore/tests/__init__.py
index 126f0136e2..2759f2540c 100644
--- a/common/lib/xmodule/xmodule/modulestore/tests/__init__.py
+++ b/common/lib/xmodule/xmodule/modulestore/tests/__init__.py
@@ -8,5 +8,3 @@ for i in range(5):
 TEST_DIR = TEST_DIR / 'test'
 
 DATA_DIR = TEST_DIR / 'data'
-
-
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/factories.py b/common/lib/xmodule/xmodule/modulestore/tests/factories.py
new file mode 100644
index 0000000000..1259da2690
--- /dev/null
+++ b/common/lib/xmodule/xmodule/modulestore/tests/factories.py
@@ -0,0 +1,126 @@
+from factory import Factory
+from time import gmtime
+from uuid import uuid4
+from xmodule.modulestore import Location
+from xmodule.modulestore.django import modulestore
+from xmodule.timeparse import stringify_time
+
+
+def XMODULE_COURSE_CREATION(class_to_create, **kwargs):
+    return XModuleCourseFactory._create(class_to_create, **kwargs)
+
+
+def XMODULE_ITEM_CREATION(class_to_create, **kwargs):
+    return XModuleItemFactory._create(class_to_create, **kwargs)
+
+
+class XModuleCourseFactory(Factory):
+    """
+    Factory for XModule courses.
+    """
+
+    ABSTRACT_FACTORY = True
+    _creation_function = (XMODULE_COURSE_CREATION,)
+
+    @classmethod
+    def _create(cls, target_class, *args, **kwargs):
+        # This logic was taken from the create_new_course method in
+        # cms/djangoapps/contentstore/views.py
+        template = Location('i4x', 'edx', 'templates', 'course', 'Empty')
+        org = kwargs.get('org')
+        number = kwargs.get('number')
+        display_name = kwargs.get('display_name')
+        location = Location('i4x', org, number,
+                            'course', Location.clean(display_name))
+
+        store = modulestore('direct')
+
+        # Write the data to the mongo datastore
+        new_course = store.clone_item(template, location)
+
+        # This metadata code was copied from cms/djangoapps/contentstore/views.py
+        if display_name is not None:
+            new_course.metadata['display_name'] = display_name
+
+        new_course.metadata['data_dir'] = uuid4().hex
+        new_course.metadata['start'] = stringify_time(gmtime())
+
+        new_course.tabs = [{"type": "courseware"},
+            {"type": "course_info", "name": "Course Info"}, 
+            {"type": "discussion", "name": "Discussion"},
+            {"type": "wiki", "name": "Wiki"},
+            {"type": "progress", "name": "Progress"}]
+
+        # Update the data in the mongo datastore
+        store.update_metadata(new_course.location.url(), new_course.own_metadata)
+
+        return new_course
+
+
+class Course:
+    pass
+
+
+class CourseFactory(XModuleCourseFactory):
+    FACTORY_FOR = Course
+
+    template = 'i4x://edx/templates/course/Empty'
+    org = 'MITx'
+    number = '999'
+    display_name = 'Robot Super Course'
+
+
+class XModuleItemFactory(Factory):
+    """
+    Factory for XModule items.
+    """
+
+    ABSTRACT_FACTORY = True
+    _creation_function = (XMODULE_ITEM_CREATION,)
+
+    @classmethod
+    def _create(cls, target_class, *args, **kwargs):
+        """
+        kwargs must include parent_location, template. Can contain display_name
+        target_class is ignored
+        """
+
+        DETACHED_CATEGORIES = ['about', 'static_tab', 'course_info']
+
+        parent_location = Location(kwargs.get('parent_location'))
+        template = Location(kwargs.get('template'))
+        display_name = kwargs.get('display_name')
+
+        store = modulestore('direct')
+
+        # This code was based off that in cms/djangoapps/contentstore/views.py
+        parent = store.get_item(parent_location)
+        dest_location = parent_location._replace(category=template.category, name=uuid4().hex)
+
+        new_item = store.clone_item(template, dest_location)
+
+        # TODO: This needs to be deleted when we have proper storage for static content
+        new_item.metadata['data_dir'] = parent.metadata['data_dir']
+
+        # replace the display name with an optional parameter passed in from the caller
+        if display_name is not None:
+            new_item.metadata['display_name'] = display_name
+
+        store.update_metadata(new_item.location.url(), new_item.own_metadata)
+
+        if new_item.location.category not in DETACHED_CATEGORIES:
+            store.update_children(parent_location, parent.definition.get('children', []) + [new_item.location.url()])
+
+        return new_item
+
+
+class Item:
+    pass
+
+
+class ItemFactory(XModuleItemFactory):
+    FACTORY_FOR = Item
+
+    parent_location = 'i4x://MITx/999/course/Robot_Super_Course'
+    template = 'i4x://edx/templates/chapter/Empty'
+    display_name = 'Section One'
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/test_location.py b/common/lib/xmodule/xmodule/modulestore/tests/test_location.py
index afe5e47d10..0772951884 100644
--- a/common/lib/xmodule/xmodule/modulestore/tests/test_location.py
+++ b/common/lib/xmodule/xmodule/modulestore/tests/test_location.py
@@ -61,6 +61,7 @@ invalid = ("foo", ["foo"], ["foo", "bar"],
            invalid_dict,
            invalid_dict2)
 
+
 def test_is_valid():
     for v in valid:
         assert_equals(Location.is_valid(v), True)
@@ -68,6 +69,7 @@ def test_is_valid():
     for v in invalid:
         assert_equals(Location.is_valid(v), False)
 
+
 def test_dict():
     assert_equals("tag://org/course/category/name", Location(input_dict).url())
     assert_equals(dict(revision=None, **input_dict), Location(input_dict).dict())
@@ -76,6 +78,7 @@ def test_dict():
     assert_equals("tag://org/course/category/name@revision", Location(input_dict).url())
     assert_equals(input_dict, Location(input_dict).dict())
 
+
 def test_list():
     assert_equals("tag://org/course/category/name", Location(input_list).url())
     assert_equals(input_list + [None], Location(input_list).list())
@@ -115,17 +118,18 @@ def test_equality():
     )
 
 # All the cleaning functions should do the same thing with these
-general_pairs = [ ('',''),
+general_pairs = [('', ''),
                   (' ', '_'),
                   ('abc,', 'abc_'),
                   ('ab    fg!@//\\aj', 'ab_fg_aj'),
                   (u"ab\xA9", "ab_"),  # no unicode allowed for now
                   ]
 
+
 def test_clean():
     pairs = general_pairs + [
         ('a:b', 'a_b'),  # no colons in non-name components
-        ('a-b', 'a-b'),  # dashes ok 
+        ('a-b', 'a-b'),  # dashes ok
         ('a.b', 'a.b'),  # dot ok
         ]
     for input, output in pairs:
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/test_modulestore.py b/common/lib/xmodule/xmodule/modulestore/tests/test_modulestore.py
index 64816581ce..94ea622907 100644
--- a/common/lib/xmodule/xmodule/modulestore/tests/test_modulestore.py
+++ b/common/lib/xmodule/xmodule/modulestore/tests/test_modulestore.py
@@ -3,6 +3,7 @@ from nose.tools import assert_equals, assert_raises, assert_not_equals, with_set
 from xmodule.modulestore.exceptions import ItemNotFoundError, NoPathToItem
 from xmodule.modulestore.search import path_to_location
 
+
 def check_path_to_location(modulestore):
     '''Make sure that path_to_location works: should be passed a modulestore
     with the toy and simple courses loaded.'''
@@ -22,4 +23,3 @@ def check_path_to_location(modulestore):
         )
     for location in not_found:
         assert_raises(ItemNotFoundError, path_to_location, modulestore, course_id, location)
-
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/test_mongo.py b/common/lib/xmodule/xmodule/modulestore/tests/test_mongo.py
index 4c593e391e..6f6f47ba85 100644
--- a/common/lib/xmodule/xmodule/modulestore/tests/test_mongo.py
+++ b/common/lib/xmodule/xmodule/modulestore/tests/test_mongo.py
@@ -102,4 +102,3 @@ class TestMongoModuleStore(object):
     def test_path_to_location(self):
         '''Make sure that path_to_location works'''
         check_path_to_location(self.store)
-
diff --git a/common/lib/xmodule/xmodule/modulestore/tests/test_xml.py b/common/lib/xmodule/xmodule/modulestore/tests/test_xml.py
index c4446bebb5..321d98967b 100644
--- a/common/lib/xmodule/xmodule/modulestore/tests/test_xml.py
+++ b/common/lib/xmodule/xmodule/modulestore/tests/test_xml.py
@@ -5,6 +5,7 @@ from xmodule.modulestore.xml_importer import import_from_xml
 from .test_modulestore import check_path_to_location
 from . import DATA_DIR
 
+
 class TestXMLModuleStore(object):
     def test_path_to_location(self):
         """Make sure that path_to_location works properly"""
@@ -12,5 +13,5 @@ class TestXMLModuleStore(object):
         print "Starting import"
         modulestore = XMLModuleStore(DATA_DIR, course_dirs=['toy', 'simple'])
         print "finished import"
-        
+
         check_path_to_location(modulestore)
diff --git a/common/lib/xmodule/xmodule/modulestore/xml.py b/common/lib/xmodule/xmodule/modulestore/xml.py
index 17d6f04932..1bd27189e9 100644
--- a/common/lib/xmodule/xmodule/modulestore/xml.py
+++ b/common/lib/xmodule/xmodule/modulestore/xml.py
@@ -73,7 +73,7 @@ class ImportSystem(XMLParsingSystem, MakoDescriptorSystem):
                 # VS[compat]. Take this out once course conversion is done (perhaps leave the uniqueness check)
 
                 # tags that really need unique names--they store (or should store) state.
-                need_uniq_names = ('problem', 'sequential', 'video', 'course', 'chapter', 'videosequence')
+                need_uniq_names = ('problem', 'sequential', 'video', 'course', 'chapter', 'videosequence', 'timelimit')
 
                 attr = xml_data.attrib
                 tag = xml_data.tag
@@ -363,7 +363,7 @@ class XMLModuleStore(ModuleStoreBase):
             # been imported into the cms from xml
             course_file = StringIO(clean_out_mako_templating(course_file.read()))
 
-            course_data = etree.parse(course_file,parser=edx_xml_parser).getroot()
+            course_data = etree.parse(course_file, parser=edx_xml_parser).getroot()
 
             org = course_data.get('org')
 
@@ -437,7 +437,7 @@ class XMLModuleStore(ModuleStoreBase):
             self.load_extra_content(system, course_descriptor, 'course_info', self.data_dir / course_dir / 'info', course_dir, url_name)
 
             # now import all static tabs which are expected to be stored in
-            # in <content_dir>/tabs or <content_dir>/tabs/<url_name>           
+            # in <content_dir>/tabs or <content_dir>/tabs/<url_name>
             self.load_extra_content(system, course_descriptor, 'static_tab', self.data_dir / course_dir / 'tabs', course_dir, url_name)
 
             self.load_extra_content(system, course_descriptor, 'custom_tag_template', self.data_dir / course_dir / 'custom_tags', course_dir, url_name)
@@ -454,12 +454,12 @@ class XMLModuleStore(ModuleStoreBase):
 
          # then look in a override folder based on the course run
         if os.path.isdir(base_dir / url_name):
-            self._load_extra_content(system, course_descriptor, category, base_dir / url_name, course_dir)       
+            self._load_extra_content(system, course_descriptor, category, base_dir / url_name, course_dir)
 
 
     def _load_extra_content(self, system, course_descriptor, category, path, course_dir):
 
-        for filepath in glob.glob(path/ '*'):
+        for filepath in glob.glob(path / '*'):
             if not os.path.isdir(filepath):
                 with open(filepath) as f:
                     try:
@@ -467,7 +467,7 @@ class XMLModuleStore(ModuleStoreBase):
                         # tabs are referenced in policy.json through a 'slug' which is just the filename without the .html suffix
                         slug = os.path.splitext(os.path.basename(filepath))[0]
                         loc = Location('i4x', course_descriptor.location.org, course_descriptor.location.course, category, slug)
-                        module = HtmlDescriptor(system, definition={'data' : html}, **{'location' : loc})
+                        module = HtmlDescriptor(system, definition={'data': html}, **{'location': loc})
                         # VS[compat]:
                         # Hack because we need to pull in the 'display_name' for static tabs (because we need to edit them)
                         # from the course policy
@@ -555,7 +555,7 @@ class XMLModuleStore(ModuleStoreBase):
         Return a dictionary of course_dir -> [(msg, exception_str)], for each
         course_dir where course loading failed.
         """
-        return dict( (k, self.errored_courses[k].errors) for k in self.errored_courses)
+        return dict((k, self.errored_courses[k].errors) for k in self.errored_courses)
 
     def update_item(self, location, data):
         """
@@ -590,7 +590,7 @@ class XMLModuleStore(ModuleStoreBase):
         raise NotImplementedError("XMLModuleStores are read-only")
 
     def get_parent_locations(self, location, course_id):
-        '''Find all locations that are the parents of this location in this 
+        '''Find all locations that are the parents of this location in this
         course.  Needed for path_to_location().
 
         returns an iterable of things that can be passed to Location.  This may
diff --git a/common/lib/xmodule/xmodule/modulestore/xml_exporter.py b/common/lib/xmodule/xmodule/modulestore/xml_exporter.py
index 3522b45718..509a2c7db9 100644
--- a/common/lib/xmodule/xmodule/modulestore/xml_exporter.py
+++ b/common/lib/xmodule/xmodule/modulestore/xml_exporter.py
@@ -2,6 +2,8 @@ import logging
 from xmodule.modulestore import Location
 from xmodule.modulestore.django import modulestore
 from fs.osfs import OSFS
+from json import dumps
+
 
 def export_to_xml(modulestore, contentstore, course_location, root_dir, course_dir):
 
@@ -26,8 +28,14 @@ def export_to_xml(modulestore, contentstore, course_location, root_dir, course_d
   # export the course updates
   export_extra_content(export_fs, modulestore, course_location, 'course_info', 'info', '.html')
 
+  # export the grading policy
+  policies_dir = export_fs.makeopendir('policies')
+  course_run_policy_dir = policies_dir.makeopendir(course.location.name)
+  with course_run_policy_dir.open('grading_policy.json', 'w') as grading_policy:
+    grading_policy.write(dumps(course.definition['data']['grading_policy']))
 
-def export_extra_content(export_fs, modulestore, course_location, category_type, dirname, file_suffix = ''):
+
+def export_extra_content(export_fs, modulestore, course_location, category_type, dirname, file_suffix=''):
   query_loc = Location('i4x', course_location.org, course_location.course, category_type, None)
   items = modulestore.get_items(query_loc)
 
@@ -36,7 +44,3 @@ def export_extra_content(export_fs, modulestore, course_location, category_type,
     for item in items:
       with item_dir.open(item.location.name + file_suffix, 'w') as item_file:
         item_file.write(item.definition['data'].encode('utf8'))
-
-
-
-  
\ No newline at end of file
diff --git a/common/lib/xmodule/xmodule/modulestore/xml_importer.py b/common/lib/xmodule/xmodule/modulestore/xml_importer.py
index 7658d699d4..0b77900ae9 100644
--- a/common/lib/xmodule/xmodule/modulestore/xml_importer.py
+++ b/common/lib/xmodule/xmodule/modulestore/xml_importer.py
@@ -11,9 +11,10 @@ from xmodule.contentstore.content import StaticContent, XASSET_SRCREF_PREFIX
 
 log = logging.getLogger(__name__)
 
-def import_static_content(modules, course_loc, course_data_path, static_content_store, target_location_namespace, 
-    subpath = 'static', verbose=False):
-    
+
+def import_static_content(modules, course_loc, course_data_path, static_content_store, target_location_namespace,
+    subpath='static', verbose=False):
+
     remap_dict = {}
 
     # now import all static assets
@@ -36,7 +37,7 @@ def import_static_content(modules, course_loc, course_data_path, static_content_
                 with open(content_path, 'rb') as f:
                     data = f.read()
 
-                content = StaticContent(content_loc, filename, mime_type, data, import_path = fullname_with_subpath)
+                content = StaticContent(content_loc, filename, mime_type, data, import_path=fullname_with_subpath)
 
                 # first let's save a thumbnail so we can get back a thumbnail location
                 (thumbnail_content, thumbnail_location) = static_content_store.generate_thumbnail(content)
@@ -50,11 +51,12 @@ def import_static_content(modules, course_loc, course_data_path, static_content_
                 #store the remapping information which will be needed to subsitute in the module data
                 remap_dict[fullname_with_subpath] = content_loc.name
             except:
-                raise 
+                raise
 
     return remap_dict
 
-def verify_content_links(module, base_dir, static_content_store, link, remap_dict = None):
+
+def verify_content_links(module, base_dir, static_content_store, link, remap_dict=None):
     if link.startswith('/static/'):
         # yes, then parse out the name
         path = link[len('/static/'):]
@@ -70,7 +72,7 @@ def verify_content_links(module, base_dir, static_content_store, link, remap_dic
                 with open(static_pathname, 'rb') as f:
                     data = f.read()
 
-                content = StaticContent(content_loc, filename, mime_type, data, import_path = path) 
+                content = StaticContent(content_loc, filename, mime_type, data, import_path=path)
 
                 # first let's save a thumbnail so we can get back a thumbnail location
                 (thumbnail_content, thumbnail_location) = static_content_store.generate_thumbnail(content)
@@ -79,20 +81,21 @@ def verify_content_links(module, base_dir, static_content_store, link, remap_dic
                     content.thumbnail_location = thumbnail_location
 
                 #then commit the content
-                static_content_store.save(content)   
+                static_content_store.save(content)
 
-                new_link = StaticContent.get_url_path_from_location(content_loc)   
+                new_link = StaticContent.get_url_path_from_location(content_loc)
 
                 if remap_dict is not None:
                     remap_dict[link] = new_link
 
-                return new_link                 
+                return new_link
             except Exception, e:
                 logging.exception('Skipping failed content load from {0}. Exception: {1}'.format(path, e))
 
     return link
 
-def import_from_xml(store, data_dir, course_dirs=None, 
+
+def import_from_xml(store, data_dir, course_dirs=None,
                     default_class='xmodule.raw_module.RawDescriptor',
                     load_error_modules=True, static_content_store=None, target_location_namespace=None, verbose=False):
     """
@@ -108,7 +111,7 @@ def import_from_xml(store, data_dir, course_dirs=None,
     the policy.json. so we need to keep the original url_name during import
 
     """
-    
+
     module_store = XMLModuleStore(
         data_dir,
         default_class=default_class,
@@ -137,12 +140,12 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
                 module = remap_namespace(module, target_location_namespace)
 
-                # cdodge: more hacks (what else). Seems like we have a problem when importing a course (like 6.002) which 
-                # does not have any tabs defined in the policy file. The import goes fine and then displays fine in LMS, 
-                # but if someone tries to add a new tab in the CMS, then the LMS barfs because it expects that - 
+                # cdodge: more hacks (what else). Seems like we have a problem when importing a course (like 6.002) which
+                # does not have any tabs defined in the policy file. The import goes fine and then displays fine in LMS,
+                # but if someone tries to add a new tab in the CMS, then the LMS barfs because it expects that -
                 # if there is *any* tabs - then there at least needs to be some predefined ones
                 if module.tabs is None or len(module.tabs) == 0:
-                    module.tabs = [{"type": "courseware"}, 
+                    module.tabs = [{"type": "courseware"},
                         {"type": "course_info", "name": "Course Info"}, 
                         {"type": "discussion", "name": "Discussion"},
                         {"type": "wiki", "name": "Wiki"}]  # note, add 'progress' when we can support it on Edge
@@ -159,13 +162,13 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
                 course_items.append(module)
 
-                
+
         # then import all the static content
         if static_content_store is not None:
             _namespace_rename = target_location_namespace if target_location_namespace is not None else course_location
-            
+
             # first pass to find everything in /static/
-            import_static_content(module_store.modules[course_id], course_location, course_data_path, static_content_store, 
+            import_static_content(module_store.modules[course_id], course_location, course_data_path, static_content_store,
                 _namespace_rename, subpath='static', verbose=verbose)
 
         # finally loop through all the modules
@@ -188,18 +191,18 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
                 # cdodge: now go through any link references to '/static/' and make sure we've imported
                 # it as a StaticContent asset
-                try:   
+                try:
                     remap_dict = {}
 
                     # use the rewrite_links as a utility means to enumerate through all links
                     # in the module data. We use that to load that reference into our asset store
                     # IMPORTANT: There appears to be a bug in lxml.rewrite_link which makes us not be able to
                     # do the rewrites natively in that code.
-                    # For example, what I'm seeing is <img src='foo.jpg' />   ->   <img src='bar.jpg'>  
+                    # For example, what I'm seeing is <img src='foo.jpg' />   ->   <img src='bar.jpg'>
                     # Note the dropped element closing tag. This causes the LMS to fail when rendering modules - that's
                     # no good, so we have to do this kludge
                     if isinstance(module_data, str) or isinstance(module_data, unicode):   # some module 'data' fields are non strings which blows up the link traversal code
-                        lxml_rewrite_links(module_data, lambda link: verify_content_links(module, course_data_path, 
+                        lxml_rewrite_links(module_data, lambda link: verify_content_links(module, course_data_path,
                             static_content_store, link, remap_dict))                     
 
                         for key in remap_dict.keys():
@@ -219,17 +222,18 @@ def import_from_xml(store, data_dir, course_dirs=None,
 
     return module_store, course_items
 
+
 def remap_namespace(module, target_location_namespace):
     if target_location_namespace is None:
         return module
-        
+
     # This looks a bit wonky as we need to also change the 'name' of the imported course to be what
     # the caller passed in
     if module.location.category != 'course':
-        module.location = module.location._replace(tag=target_location_namespace.tag, org=target_location_namespace.org, 
+        module.location = module.location._replace(tag=target_location_namespace.tag, org=target_location_namespace.org,
             course=target_location_namespace.course)
     else:
-        module.location = module.location._replace(tag=target_location_namespace.tag, org=target_location_namespace.org, 
+        module.location = module.location._replace(tag=target_location_namespace.tag, org=target_location_namespace.org,
             course=target_location_namespace.course, name=target_location_namespace.name)
 
     # then remap children pointers since they too will be re-namespaced
@@ -238,15 +242,16 @@ def remap_namespace(module, target_location_namespace):
         new_locs = []
         for child in children_locs:
             child_loc = Location(child)
-            new_child_loc = child_loc._replace(tag=target_location_namespace.tag, org=target_location_namespace.org, 
+            new_child_loc = child_loc._replace(tag=target_location_namespace.tag, org=target_location_namespace.org,
                 course=target_location_namespace.course)
 
             new_locs.append(new_child_loc.url())
 
-        module.definition['children'] = new_locs    
+        module.definition['children'] = new_locs
 
     return module
 
+
 def validate_category_hierarchy(module_store, course_id, parent_category, expected_child_category):
     err_cnt = 0
 
@@ -265,7 +270,8 @@ def validate_category_hierarchy(module_store, course_id, parent_category, expect
 
     return err_cnt
 
-def validate_data_source_path_existence(path, is_err = True, extra_msg = None):
+
+def validate_data_source_path_existence(path, is_err=True, extra_msg=None):
     _cnt = 0
     if not os.path.exists(path):
         print ("{0}: Expected folder at {1}. {2}".format('ERROR' if is_err == True else 'WARNING', path, extra_msg if 
@@ -273,18 +279,19 @@ def validate_data_source_path_existence(path, is_err = True, extra_msg = None):
         _cnt = 1
     return _cnt
 
+
 def validate_data_source_paths(data_dir, course_dir):
     # check that there is a '/static/' directory
     course_path = data_dir / course_dir
     err_cnt = 0
     warn_cnt = 0
     err_cnt += validate_data_source_path_existence(course_path / 'static')
-    warn_cnt += validate_data_source_path_existence(course_path / 'static/subs', is_err = False, 
-        extra_msg = 'Video captions (if they are used) will not work unless they are static/subs.')
+    warn_cnt += validate_data_source_path_existence(course_path / 'static/subs', is_err=False,
+        extra_msg='Video captions (if they are used) will not work unless they are static/subs.')
     return err_cnt, warn_cnt
 
 
-def perform_xlint(data_dir, course_dirs, 
+def perform_xlint(data_dir, course_dirs,
                     default_class='xmodule.raw_module.RawDescriptor',
                     load_error_modules=True):
     err_cnt = 0
@@ -308,9 +315,9 @@ def perform_xlint(data_dir, course_dirs,
         for err_log_entry in err_log.errors:
             msg = err_log_entry[0]
             if msg.startswith('ERROR:'):
-                err_cnt+=1
+                err_cnt += 1
             else:
-                warn_cnt+=1
+                warn_cnt += 1
 
     # then count outright all courses that failed to load at all
     for err_log in module_store.errored_courses.itervalues():
@@ -318,9 +325,9 @@ def perform_xlint(data_dir, course_dirs,
             msg = err_log_entry[0]
             print msg
             if msg.startswith('ERROR:'):
-                err_cnt+=1
+                err_cnt += 1
             else:
-                warn_cnt+=1
+                warn_cnt += 1
 
     for course_id in module_store.modules.keys():
         # constrain that courses only have 'chapter' children
@@ -345,6 +352,3 @@ def perform_xlint(data_dir, course_dirs,
         print "This course can be imported, but some errors may occur during the run of the course. It is recommend that you fix your courseware before importing"
     else:
         print "This course can be imported successfully."
-
-       
-
diff --git a/common/lib/xmodule/xmodule/open_ended_image_submission.py b/common/lib/xmodule/xmodule/open_ended_image_submission.py
index 8fa4d721d3..66500146ed 100644
--- a/common/lib/xmodule/xmodule/open_ended_image_submission.py
+++ b/common/lib/xmodule/xmodule/open_ended_image_submission.py
@@ -40,7 +40,7 @@ ALLOWABLE_IMAGE_SUFFIXES = [
 ]
 
 #Maximum allowed dimensions (x and y) for an uploaded image
-MAX_ALLOWED_IMAGE_DIM = 1000
+MAX_ALLOWED_IMAGE_DIM = 1500
 
 #Dimensions to which image is resized before it is evaluated for color count, etc
 MAX_IMAGE_DIM = 150
@@ -51,6 +51,7 @@ MAX_COLORS_TO_COUNT = 16
 #Maximum number of colors allowed in an uploaded image
 MAX_COLORS = 400
 
+
 class ImageProperties(object):
     """
     Class to check properties of an image and to validate if they are allowed.
@@ -127,10 +128,16 @@ class ImageProperties(object):
         """
         image_is_okay = False
         try:
-            image_is_okay = self.count_colors() and self.get_skin_ratio() and not self.image_too_large
+            #image_is_okay = self.count_colors() and self.get_skin_ratio() and not self.image_too_large
+            image_is_okay = not self.image_too_large
         except:
             log.exception("Could not run image tests.")
 
+        if not ENABLE_PIL:
+            image_is_okay = True
+
+        #log.debug("Image OK: {0}".format(image_is_okay))
+
         return image_is_okay
 
 
@@ -187,6 +194,7 @@ class URLProperties(object):
                 return success
         return success
 
+
 def run_url_tests(url_string):
     """
     Creates a URLProperties object and runs all tests
@@ -244,11 +252,13 @@ def upload_to_s3(file_to_upload, keyname):
         #k.set_metadata("Content-Type", 'images/png')
 
         k.set_acl("public-read")
-        public_url = k.generate_url(60 * 60 * 24 * 365) # URL timeout in seconds.
+        public_url = k.generate_url(60 * 60 * 24 * 365)   # URL timeout in seconds.
 
         return True, public_url
     except:
-        return False, "Could not connect to S3."
+        error_message = "Could not connect to S3."
+        log.exception(error_message)
+        return False, error_message
 
 
 def get_from_s3(s3_public_url):
@@ -260,6 +270,3 @@ def get_from_s3(s3_public_url):
     r = requests.get(s3_public_url, timeout=2)
     data = r.text
     return data
-
-
-
diff --git a/common/lib/xmodule/xmodule/open_ended_module.py b/common/lib/xmodule/xmodule/open_ended_module.py
index 94d45d96e3..0ad6a26995 100644
--- a/common/lib/xmodule/xmodule/open_ended_module.py
+++ b/common/lib/xmodule/xmodule/open_ended_module.py
@@ -38,6 +38,7 @@ from combined_open_ended_rubric import CombinedOpenEndedRubric
 
 log = logging.getLogger("mitx.courseware")
 
+
 class OpenEndedModule(openendedchild.OpenEndedChild):
     """
     The open ended module supports all external open ended grader problems.
@@ -300,7 +301,7 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
 
         # We want to display available feedback in a particular order.
         # This dictionary specifies which goes first--lower first.
-        priorities = {# These go at the start of the feedback
+        priorities = {  # These go at the start of the feedback
                       'spelling': 0,
                       'grammar': 1,
                       # needs to be after all the other feedback
@@ -548,14 +549,11 @@ class OpenEndedModule(openendedchild.OpenEndedChild):
         @param system: modulesystem
         @return: Success indicator
         """
-        if self.attempts > self.max_attempts:
-            # If too many attempts, prevent student from saving answer and
-            # seeing rubric.  In normal use, students shouldn't see this because
-            # they won't see the reset button once they're out of attempts.
-            return {
-                'success': False,
-                'error': 'Too many attempts.'
-            }
+        # Once we close the problem, we should not allow students
+        # to save answers
+        closed, msg = self.check_if_closed()
+        if closed:
+            return msg
 
         if self.state != self.INITIAL:
             return self.out_of_sync_error(get)
@@ -674,5 +672,3 @@ class OpenEndedDescriptor(XmlDescriptor, EditingDescriptor):
             add_child(child)
 
         return elt
-
-
diff --git a/common/lib/xmodule/xmodule/openendedchild.py b/common/lib/xmodule/xmodule/openendedchild.py
index 7151ac0723..ba2de5c930 100644
--- a/common/lib/xmodule/xmodule/openendedchild.py
+++ b/common/lib/xmodule/xmodule/openendedchild.py
@@ -38,6 +38,7 @@ MAX_ATTEMPTS = 1
 # Overriden by max_score specified in xml.
 MAX_SCORE = 1
 
+
 class OpenEndedChild(object):
     """
     States:
@@ -73,7 +74,7 @@ class OpenEndedChild(object):
         'done': 'Problem complete',
     }
 
-    def __init__(self, system, location, definition, descriptor, static_data,
+    def __init__(self, system, location, definition, descriptor, static_data, 
                  instance_state=None, shared_state=None, **kwargs):
         # Load instance state
         if instance_state is not None:
@@ -98,6 +99,7 @@ class OpenEndedChild(object):
         self.rubric = static_data['rubric']
         self.display_name = static_data['display_name']
         self.accept_file_upload = static_data['accept_file_upload']
+        self.close_date = static_data['close_date']
 
         # Used for progress / grading.  Currently get credit just for
         # completion (doesn't matter if you self-assessed correct/incorrect).
@@ -116,6 +118,27 @@ class OpenEndedChild(object):
         """
         pass
 
+    def closed(self):
+        if self.close_date is not None and datetime.utcnow() > self.close_date:
+            return True
+        return False
+
+    def check_if_closed(self):
+        if self.closed():
+            return True, {
+                'success': False,
+                'error': 'This problem is now closed.'
+            }
+        elif self.attempts > self.max_attempts:
+            return True, {
+                'success': False,
+                'error': 'Too many attempts.'
+            }
+        else:
+            return False, {}
+
+
+
     def latest_answer(self):
         """Empty string if not available"""
         if not self.history:
@@ -316,7 +339,7 @@ class OpenEndedChild(object):
         image_tag = ""
         image_ok = False
         if 'can_upload_files' in get_data:
-            if get_data['can_upload_files'] == 'true':
+            if get_data['can_upload_files'] in ['true', '1']:
                 has_file_to_upload = True
                 file = get_data['student_file'][0]
                 uploaded_to_s3, image_ok, s3_public_url = self.upload_image_to_s3(file)
@@ -355,7 +378,7 @@ class OpenEndedChild(object):
         elif has_file_to_upload and not uploaded_to_s3 and image_ok:
             #In this case, an image was submitted by the student, but the image could not be uploaded to S3.  Likely
             #a config issue (development vs deployment).  For now, just treat this as a "success"
-            log.warning("Student AJAX post to combined open ended xmodule indicated that it contained an image, "
+            log.exception("Student AJAX post to combined open ended xmodule indicated that it contained an image, "
                         "but the image was not able to be uploaded to S3.  This could indicate a config"
                         "issue with this deployment, but it could also indicate a problem with S3 or with the"
                         "student image itself.")
@@ -365,6 +388,8 @@ class OpenEndedChild(object):
             success, get_data['student_answer'] = self.check_for_url_in_text(get_data['student_answer'])
             overall_success = success
 
+        #log.debug("Has file: {0} Uploaded: {1} Image Ok: {2}".format(has_file_to_upload, uploaded_to_s3, image_ok))
+
         return overall_success, get_data
 
     def check_for_url_in_text(self, string):
@@ -375,18 +400,13 @@ class OpenEndedChild(object):
         """
         success = False
         links = re.findall(r'(https?://\S+)', string)
-        if len(links)>0:
+        if len(links) > 0:
             for link in links:
                 success = open_ended_image_submission.run_url_tests(link)
                 if not success:
                     string = re.sub(link, '', string)
                 else:
-                    string = re.sub(link, self.generate_image_tag_from_url(link,link), string)
+                    string = re.sub(link, self.generate_image_tag_from_url(link, link), string)
                     success = True
 
         return success, string
-
-
-
-
-
diff --git a/common/lib/xmodule/xmodule/peer_grading_module.py b/common/lib/xmodule/xmodule/peer_grading_module.py
index e853160f4a..20f71f3b3c 100644
--- a/common/lib/xmodule/xmodule/peer_grading_module.py
+++ b/common/lib/xmodule/xmodule/peer_grading_module.py
@@ -43,6 +43,7 @@ TRUE_DICT = [True, "True", "true", "TRUE"]
 MAX_SCORE = 1
 IS_GRADED = True
 
+
 class PeerGradingModule(XModule):
     _VERSION = 1
 
@@ -80,7 +81,7 @@ class PeerGradingModule(XModule):
             self.is_graded = (self.is_graded in TRUE_DICT)
 
         self.link_to_location = self.metadata.get('link_to_location', USE_FOR_SINGLE_LOCATION)
-        if self.use_for_single_location ==True:
+        if self.use_for_single_location == True:
             #This will raise an exception if the location is invalid
             link_to_location_object = Location(self.link_to_location)
 
@@ -116,7 +117,7 @@ class PeerGradingModule(XModule):
         if not self.use_for_single_location:
             return self.peer_grading()
         else:
-            return self.peer_grading_problem({'location' : self.link_to_location})['html']
+            return self.peer_grading_problem({'location': self.link_to_location})['html']
 
     def handle_ajax(self, dispatch, get):
         """
@@ -128,8 +129,8 @@ class PeerGradingModule(XModule):
             'show_calibration_essay': self.show_calibration_essay,
             'is_student_calibrated': self.is_student_calibrated,
             'save_grade': self.save_grade,
-            'save_calibration_essay' : self.save_calibration_essay,
-            'problem' : self.peer_grading_problem,
+            'save_calibration_essay': self.save_calibration_essay,
+            'problem': self.peer_grading_problem,
             }
 
         if dispatch not in handlers:
@@ -175,11 +176,11 @@ class PeerGradingModule(XModule):
                 return None
             count_graded = response['count_graded']
             count_required = response['count_required']
-            if count_required>0 and count_graded>=count_required:
+            if count_required > 0 and count_graded >= count_required:
                 self.student_data_for_location = response
 
         score_dict = {
-            'score': int(count_graded>=count_required),
+            'score': int(count_graded >= count_required),
             'total': self.max_grade,
             }
 
@@ -399,7 +400,7 @@ class PeerGradingModule(XModule):
             log.exception("Error saving calibration grade, location: {0}, submission_id: {1}, submission_key: {2}, grader_id: {3}".format(location, submission_id, submission_key, grader_id))
             return self._err_response('Could not connect to grading service')
 
-    def peer_grading(self, get = None):
+    def peer_grading(self, get=None):
         '''
         Show a peer grading interface
         '''
@@ -434,19 +435,19 @@ class PeerGradingModule(XModule):
             'error_text': error_text,
             # Checked above
             'staff_access': False,
-            'use_single_location' : self.use_for_single_location,
+            'use_single_location': self.use_for_single_location,
             })
 
         return html
 
-    def peer_grading_problem(self, get = None):
+    def peer_grading_problem(self, get=None):
         '''
         Show individual problem interface
         '''
-        if get == None or get.get('location')==None:
+        if get == None or get.get('location') == None:
             if not self.use_for_single_location:
                 #This is an error case, because it must be set to use a single location to be called without get parameters
-                return {'html' : "", 'success' : False}
+                return {'html': "", 'success': False}
             problem_location = self.link_to_location
 
         elif get.get('location') is not None:
@@ -460,10 +461,10 @@ class PeerGradingModule(XModule):
             'ajax_url': ajax_url,
             # Checked above
             'staff_access': False,
-            'use_single_location' : self.use_for_single_location,
+            'use_single_location': self.use_for_single_location,
             })
 
-        return {'html' : html, 'success' : True}
+        return {'html': html, 'success': True}
 
     def get_instance_state(self):
         """
@@ -473,11 +474,12 @@ class PeerGradingModule(XModule):
         """
 
         state = {
-            'student_data_for_location' : self.student_data_for_location,
+            'student_data_for_location': self.student_data_for_location,
             }
 
         return json.dumps(state)
 
+
 class PeerGradingDescriptor(XmlDescriptor, EditingDescriptor):
     """
     Module for adding combined open ended questions
@@ -534,4 +536,4 @@ class PeerGradingDescriptor(XmlDescriptor, EditingDescriptor):
         for child in ['task']:
             add_child(child)
 
-        return elt
\ No newline at end of file
+        return elt
diff --git a/common/lib/xmodule/xmodule/peer_grading_service.py b/common/lib/xmodule/xmodule/peer_grading_service.py
index 6b30f4e043..8c50b6ff0a 100644
--- a/common/lib/xmodule/xmodule/peer_grading_service.py
+++ b/common/lib/xmodule/xmodule/peer_grading_service.py
@@ -14,11 +14,13 @@ from combined_open_ended_rubric import CombinedOpenEndedRubric, RubricParsingErr
 from lxml import etree
 from grading_service_module import GradingService, GradingServiceError
 
-log=logging.getLogger(__name__)
+log = logging.getLogger(__name__)
+
 
 class GradingServiceError(Exception):
     pass
 
+
 class PeerGradingService(GradingService):
     """
     Interface with the grading controller for peer grading
@@ -47,23 +49,23 @@ class PeerGradingService(GradingService):
         return self.try_to_decode(self._render_rubric(response))
 
     def save_grade(self, location, grader_id, submission_id, score, feedback, submission_key, rubric_scores, submission_flagged):
-        data = {'grader_id' : grader_id,
-                'submission_id' : submission_id,
-                'score' : score,
-                'feedback' : feedback,
+        data = {'grader_id': grader_id,
+                'submission_id': submission_id,
+                'score': score,
+                'feedback': feedback,
                 'submission_key': submission_key,
                 'location': location,
                 'rubric_scores': rubric_scores,
                 'rubric_scores_complete': True,
-                'submission_flagged' : submission_flagged}
+                'submission_flagged': submission_flagged}
         return self.try_to_decode(self.post(self.save_grade_url, data))
 
     def is_student_calibrated(self, problem_location, grader_id):
-        params = {'problem_id' : problem_location, 'student_id': grader_id}
+        params = {'problem_id': problem_location, 'student_id': grader_id}
         return self.try_to_decode(self.get(self.is_student_calibrated_url, params))
 
     def show_calibration_essay(self, problem_location, grader_id):
-        params = {'problem_id' : problem_location, 'student_id': grader_id}
+        params = {'problem_id': problem_location, 'student_id': grader_id}
         response = self.get(self.show_calibration_essay_url, params)
         return self.try_to_decode(self._render_rubric(response))
 
@@ -100,10 +102,12 @@ class PeerGradingService(GradingService):
 This is a mock peer grading service that can be used for unit tests
 without making actual service calls to the grading controller
 """
+
+
 class MockPeerGradingService(object):
     def get_next_submission(self, problem_location, grader_id):
         return json.dumps({'success': True,
-                           'submission_id':1,
+                           'submission_id': 1,
                            'submission_key': "",
                            'student_response': 'fake student response',
                            'prompt': 'fake submission prompt',
@@ -119,7 +123,7 @@ class MockPeerGradingService(object):
 
     def show_calibration_essay(self, problem_location, grader_id):
         return json.dumps({'success': True,
-                           'submission_id':1,
+                           'submission_id': 1,
                            'submission_key': '',
                            'student_response': 'fake student response',
                            'prompt': 'fake submission prompt',
@@ -140,6 +144,8 @@ class MockPeerGradingService(object):
                            ]})
 
 _service = None
+
+
 def peer_grading_service(system):
     """
     Return a peer grading service instance--if settings.MOCK_PEER_GRADING is True,
diff --git a/common/lib/xmodule/xmodule/randomize_module.py b/common/lib/xmodule/xmodule/randomize_module.py
index f88cdc5efb..b336789193 100644
--- a/common/lib/xmodule/xmodule/randomize_module.py
+++ b/common/lib/xmodule/xmodule/randomize_module.py
@@ -12,6 +12,7 @@ from pkg_resources import resource_string
 
 log = logging.getLogger('mitx.' + __name__)
 
+
 class RandomizeModule(XModule):
     """
     Chooses a random child module.  Chooses the same one every time for each student.
@@ -96,7 +97,7 @@ class RandomizeModule(XModule):
     def get_icon_class(self):
         return self.child.get_icon_class() if self.child else 'other'
 
-    
+
 class RandomizeDescriptor(SequenceDescriptor):
     # the editing interface can be the same as for sequences -- just a container
     module_class = RandomizeModule
@@ -118,4 +119,3 @@ class RandomizeDescriptor(SequenceDescriptor):
         makes it use module.get_child_descriptors().
         """
         return True
-
diff --git a/common/lib/xmodule/xmodule/raw_module.py b/common/lib/xmodule/xmodule/raw_module.py
index efdd2e7ba0..4a2bfbceaf 100644
--- a/common/lib/xmodule/xmodule/raw_module.py
+++ b/common/lib/xmodule/xmodule/raw_module.py
@@ -6,6 +6,7 @@ import sys
 
 log = logging.getLogger(__name__)
 
+
 class RawDescriptor(XmlDescriptor, XMLEditingDescriptor):
     """
     Module that provides a raw editing view of its data and children.  It
@@ -13,7 +14,7 @@ class RawDescriptor(XmlDescriptor, XMLEditingDescriptor):
     """
     @classmethod
     def definition_from_xml(cls, xml_object, system):
-        return {'data': etree.tostring(xml_object, pretty_print=True,encoding='unicode')}
+        return {'data': etree.tostring(xml_object, pretty_print=True, encoding='unicode')}
 
     def definition_to_xml(self, resource_fs):
         try:
diff --git a/common/lib/xmodule/xmodule/self_assessment_module.py b/common/lib/xmodule/xmodule/self_assessment_module.py
index 38a60e11f5..c8d1fe7a28 100644
--- a/common/lib/xmodule/xmodule/self_assessment_module.py
+++ b/common/lib/xmodule/xmodule/self_assessment_module.py
@@ -25,6 +25,7 @@ from combined_open_ended_rubric import CombinedOpenEndedRubric
 
 log = logging.getLogger("mitx.courseware")
 
+
 class SelfAssessmentModule(openendedchild.OpenEndedChild):
     """
     A Self Assessment module that allows students to write open-ended responses,
@@ -124,7 +125,7 @@ class SelfAssessmentModule(openendedchild.OpenEndedChild):
         if self.state == self.INITIAL:
             return ''
 
-        rubric_renderer = CombinedOpenEndedRubric(system, True)
+        rubric_renderer = CombinedOpenEndedRubric(system, False)
         success, rubric_html = rubric_renderer.render_rubric(self.rubric)
 
         # we'll render it
@@ -189,15 +190,10 @@ class SelfAssessmentModule(openendedchild.OpenEndedChild):
             Dictionary with keys 'success' and either 'error' (if not success),
             or 'rubric_html' (if success).
         """
-        # Check to see if attempts are less than max
-        if self.attempts > self.max_attempts:
-            # If too many attempts, prevent student from saving answer and
-            # seeing rubric.  In normal use, students shouldn't see this because
-            # they won't see the reset button once they're out of attempts.
-            return {
-                'success': False,
-                'error': 'Too many attempts.'
-            }
+        # Check to see if this problem is closed
+        closed, msg = self.check_if_closed()
+        if closed:
+            return msg
 
         if self.state != self.INITIAL:
             return self.out_of_sync_error(get)
diff --git a/common/lib/xmodule/xmodule/seq_module.py b/common/lib/xmodule/xmodule/seq_module.py
index 6dd92cc8fa..36011744f5 100644
--- a/common/lib/xmodule/xmodule/seq_module.py
+++ b/common/lib/xmodule/xmodule/seq_module.py
@@ -88,8 +88,8 @@ class SequenceModule(XModule):
                 'type': child.get_icon_class(),
                 'id': child.id,
             }
-            if childinfo['title']=='':
-                childinfo['title'] = child.metadata.get('display_name','')
+            if childinfo['title'] == '':
+                childinfo['title'] = child.metadata.get('display_name', '')
             contents.append(childinfo)
 
         params = {'items': contents,
@@ -116,7 +116,7 @@ class SequenceDescriptor(MakoModuleDescriptor, XmlDescriptor):
     mako_template = 'widgets/sequence-edit.html'
     module_class = SequenceModule
 
-    stores_state = True # For remembering where in the sequence the student is
+    stores_state = True   # For remembering where in the sequence the student is
 
     js = {'coffee': [resource_string(__name__, 'js/src/sequence/edit.coffee')]}
     js_module_name = "SequenceDescriptor"
@@ -140,4 +140,3 @@ class SequenceDescriptor(MakoModuleDescriptor, XmlDescriptor):
             xml_object.append(
                 etree.fromstring(child.export_to_xml(resource_fs)))
         return xml_object
-
diff --git a/common/lib/xmodule/xmodule/stringify.py b/common/lib/xmodule/xmodule/stringify.py
index dab8ff0425..5a640e91b1 100644
--- a/common/lib/xmodule/xmodule/stringify.py
+++ b/common/lib/xmodule/xmodule/stringify.py
@@ -1,6 +1,7 @@
 from itertools import chain
 from lxml import etree
 
+
 def stringify_children(node):
     '''
     Return all contents of an xml tree, without the outside tags.
diff --git a/common/lib/xmodule/xmodule/template_module.py b/common/lib/xmodule/xmodule/template_module.py
index d7e7ece897..5f376945eb 100644
--- a/common/lib/xmodule/xmodule/template_module.py
+++ b/common/lib/xmodule/xmodule/template_module.py
@@ -5,6 +5,7 @@ from mako.template import Template
 from xmodule.modulestore.django import modulestore
 import logging
 
+
 class CustomTagModule(XModule):
     """
     This module supports tags of the form
@@ -81,4 +82,3 @@ class CustomTagDescriptor(RawDescriptor):
         to export them in a file with yet another layer of indirection.
         """
         return False
-
diff --git a/common/lib/xmodule/xmodule/tests/__init__.py b/common/lib/xmodule/xmodule/tests/__init__.py
index 1f323834a9..04e7ee19b1 100644
--- a/common/lib/xmodule/xmodule/tests/__init__.py
+++ b/common/lib/xmodule/xmodule/tests/__init__.py
@@ -29,9 +29,9 @@ test_system = ModuleSystem(
     user=Mock(is_staff=False),
     filestore=Mock(),
     debug=True,
-    xqueue={'interface':None, 'callback_url':'/', 'default_queuename': 'testqueue', 'waittime': 10},
+    xqueue={'interface': None, 'callback_url': '/', 'default_queuename': 'testqueue', 'waittime': 10},
     node_path=os.environ.get("NODE_PATH", "/usr/local/lib/node_modules"),
-    anonymous_student_id = 'student'
+    anonymous_student_id='student'
 )
 
 
@@ -85,4 +85,3 @@ class ModelsTest(unittest.TestCase):
         except:
             exception_happened = True
         self.assertTrue(exception_happened)
-
diff --git a/common/lib/xmodule/xmodule/tests/test_capa_module.py b/common/lib/xmodule/xmodule/tests/test_capa_module.py
index e8f639e3c9..a22fcdb5f6 100644
--- a/common/lib/xmodule/xmodule/tests/test_capa_module.py
+++ b/common/lib/xmodule/xmodule/tests/test_capa_module.py
@@ -10,6 +10,7 @@ from lxml import etree
 
 from . import test_system
 
+
 class CapaFactory(object):
     """
     A helper class to create problem modules with various parameters for testing.
@@ -58,7 +59,7 @@ class CapaFactory(object):
 
             attempts: also added to instance state.  Will be converted to an int.
         """
-        definition = {'data': CapaFactory.sample_problem_xml,}
+        definition = {'data': CapaFactory.sample_problem_xml, }
         location = Location(["i4x", "edX", "capa_test", "problem",
                              "SampleProblem{0}".format(CapaFactory.next_num())])
         metadata = {}
@@ -208,8 +209,3 @@ class CapaModuleTest(unittest.TestCase):
                                             due=self.yesterday_str,
                                             graceperiod=self.two_day_delta_str)
         self.assertFalse(still_in_grace.answer_available())
-
-
-
-
-
diff --git a/common/lib/xmodule/xmodule/tests/test_combined_open_ended.py b/common/lib/xmodule/xmodule/tests/test_combined_open_ended.py
index c89f5ee848..c2b27e4953 100644
--- a/common/lib/xmodule/xmodule/tests/test_combined_open_ended.py
+++ b/common/lib/xmodule/xmodule/tests/test_combined_open_ended.py
@@ -4,7 +4,7 @@ import unittest
 
 from xmodule.openendedchild import OpenEndedChild
 from xmodule.open_ended_module import OpenEndedModule
-from xmodule.combined_open_ended_module import CombinedOpenEndedModule
+from xmodule.combined_open_ended_modulev1 import CombinedOpenEndedV1Module
 
 from xmodule.modulestore import Location
 from lxml import etree
@@ -20,6 +20,7 @@ OpenEndedModule
 
 """
 
+
 class OpenEndedChildTest(unittest.TestCase):
     location = Location(["i4x", "edX", "sa_test", "selfassessment",
                          "SampleQuestion"])
@@ -30,25 +31,27 @@ class OpenEndedChildTest(unittest.TestCase):
         <category>
         <description>Response Quality</description>
         <option>The response is not a satisfactory answer to the question.  It either fails to address the question or does so in a limited way, with no evidence of higher-order thinking.</option>
+        <option>Second option</option>
         </category>
          </rubric></rubric>'''
-    max_score = 4
+    max_score = 1
 
     static_data = {
             'max_attempts': 20,
             'prompt': prompt,
             'rubric': rubric,
-            'max_score': max_score, 
+            'max_score': max_score,
             'display_name': 'Name',
-            'accept_file_upload' : False,
+            'accept_file_upload': False,
+            'close_date': None
             }
     definition = Mock()
     descriptor = Mock()
 
     def setUp(self):
-        self.openendedchild = OpenEndedChild(test_system, self.location, 
+        self.openendedchild = OpenEndedChild(test_system, self.location,
                 self.definition, self.descriptor, self.static_data, self.metadata) 
- 
+
 
     def test_latest_answer_empty(self):
         answer = self.openendedchild.latest_answer()
@@ -115,12 +118,12 @@ class OpenEndedChildTest(unittest.TestCase):
         self.assertEqual(score['score'], new_score)
         self.assertEqual(score['total'], self.static_data['max_score'])
 
-        
+
     def test_reset(self):
         self.openendedchild.reset(test_system)
         state = json.loads(self.openendedchild.get_instance_state())
         self.assertEqual(state['state'], OpenEndedChild.INITIAL)
-        
+
 
     def test_is_last_response_correct(self):
         new_answer = "New Answer"
@@ -134,6 +137,7 @@ class OpenEndedChildTest(unittest.TestCase):
         self.assertEqual(self.openendedchild.is_last_response_correct(),
                 'incorrect')
 
+
 class OpenEndedModuleTest(unittest.TestCase):
     location = Location(["i4x", "edX", "sa_test", "selfassessment",
                          "SampleQuestion"])
@@ -152,9 +156,11 @@ class OpenEndedModuleTest(unittest.TestCase):
             'max_attempts': 20,
             'prompt': prompt,
             'rubric': rubric,
-            'max_score': max_score, 
+            'max_score': max_score,
             'display_name': 'Name',
             'accept_file_upload': False,
+            'rewrite_content_links' : "",
+            'close_date': None,
             }
 
     oeparam = etree.XML('''
@@ -170,9 +176,9 @@ class OpenEndedModuleTest(unittest.TestCase):
     def setUp(self):
         test_system.location = self.location
         self.mock_xqueue = MagicMock()
-        self.mock_xqueue.send_to_queue.return_value=(None, "Message")
-        test_system.xqueue = {'interface':self.mock_xqueue, 'callback_url':'/', 'default_queuename': 'testqueue', 'waittime': 1}
-        self.openendedmodule = OpenEndedModule(test_system, self.location, 
+        self.mock_xqueue.send_to_queue.return_value = (None, "Message")
+        test_system.xqueue = {'interface': self.mock_xqueue, 'callback_url': '/', 'default_queuename': 'testqueue', 'waittime': 1}
+        self.openendedmodule = OpenEndedModule(test_system, self.location,
                 self.definition, self.descriptor, self.static_data, self.metadata) 
 
     def test_message_post(self):
@@ -194,8 +200,8 @@ class OpenEndedModuleTest(unittest.TestCase):
         result = self.openendedmodule.message_post(get, test_system)
         self.assertTrue(result['success'])
         # make sure it's actually sending something we want to the queue
-        self.mock_xqueue.send_to_queue.assert_called_with(body = json.dumps(contents), header=ANY)
-        
+        self.mock_xqueue.send_to_queue.assert_called_with(body=json.dumps(contents), header=ANY)
+
         state = json.loads(self.openendedmodule.get_instance_state())
         self.assertIsNotNone(state['state'], OpenEndedModule.DONE)
 
@@ -205,21 +211,21 @@ class OpenEndedModuleTest(unittest.TestCase):
         student_info = {'anonymous_student_id': test_system.anonymous_student_id,
                 'submission_time': qtime}
         contents = self.openendedmodule.payload.copy()
-        contents.update({ 
+        contents.update({
             'student_info': json.dumps(student_info),
-            'student_response': submission, 
+            'student_response': submission,
             'max_score': self.max_score
             })
         result = self.openendedmodule.send_to_grader(submission, test_system)
         self.assertTrue(result)
-        self.mock_xqueue.send_to_queue.assert_called_with(body = json.dumps(contents), header=ANY)
+        self.mock_xqueue.send_to_queue.assert_called_with(body=json.dumps(contents), header=ANY)
 
     def update_score_single(self):
         self.openendedmodule.new_history_entry("New Entry")
-        score_msg = { 
+        score_msg = {
                 'correct': True,
                 'score': 4,
-                'msg' : 'Grader Message',
+                'msg': 'Grader Message',
                 'feedback': "Grader Feedback"
                 }
         get = {'queuekey': "abcd",
@@ -232,10 +238,10 @@ class OpenEndedModuleTest(unittest.TestCase):
                 "success": True,
                 "feedback": "Grader Feedback"
                 }
-        score_msg = { 
+        score_msg = {
                 'correct': True,
                 'score': 4,
-                'msg' : 'Grader Message',
+                'msg': 'Grader Message',
                 'feedback': json.dumps(feedback),
                 'grader_type': 'IN',
                 'grader_id': '1',
@@ -261,6 +267,7 @@ class OpenEndedModuleTest(unittest.TestCase):
         score = self.openendedmodule.latest_score()
         self.assertEqual(score, 4)
 
+
 class CombinedOpenEndedModuleTest(unittest.TestCase):
     location = Location(["i4x", "edX", "open_ended", "combinedopenended",
                          "SampleQuestion"])
@@ -270,19 +277,23 @@ class CombinedOpenEndedModuleTest(unittest.TestCase):
         <category>
         <description>Response Quality</description>
         <option>The response is not a satisfactory answer to the question.  It either fails to address the question or does so in a limited way, with no evidence of higher-order thinking.</option>
+        <option>Second option</option>
         </category>
          </rubric></rubric>'''
-    max_score = 3
+    max_score = 1
 
     metadata = {'attempts': '10', 'max_score': max_score}
 
-    static_data = json.dumps({
+    static_data = {
             'max_attempts': 20,
             'prompt': prompt,
             'rubric': rubric,
-            'max_score': max_score, 
-            'display_name': 'Name'
-            })
+            'max_score': max_score,
+            'display_name': 'Name',
+            'accept_file_upload' : False,
+            'rewrite_content_links' : "",
+            'close_date' : "",
+            }
 
     oeparam = etree.XML('''
       <openendedparam>
@@ -314,7 +325,7 @@ class CombinedOpenEndedModuleTest(unittest.TestCase):
     descriptor = Mock()
 
     def setUp(self):
-        self.combinedoe = CombinedOpenEndedModule(test_system, self.location, self.definition, self.descriptor, self.static_data, metadata=self.metadata)
+        self.combinedoe = CombinedOpenEndedV1Module(test_system, self.location, self.definition, self.descriptor, static_data = self.static_data, metadata=self.metadata)
 
     def test_get_tag_name(self):
         name = self.combinedoe.get_tag_name("<t>Tag</t>")
@@ -324,16 +335,14 @@ class CombinedOpenEndedModuleTest(unittest.TestCase):
         response_dict = self.combinedoe.get_last_response(0)
         self.assertEqual(response_dict['type'], "selfassessment")
         self.assertEqual(response_dict['max_score'], self.max_score)
-        self.assertEqual(response_dict['state'], CombinedOpenEndedModule.INITIAL)
+        self.assertEqual(response_dict['state'], CombinedOpenEndedV1Module.INITIAL)
 
     def test_update_task_states(self):
         changed = self.combinedoe.update_task_states()
         self.assertFalse(changed)
 
         current_task = self.combinedoe.current_task
-        current_task.change_state(CombinedOpenEndedModule.DONE)
+        current_task.change_state(CombinedOpenEndedV1Module.DONE)
         changed = self.combinedoe.update_task_states()
 
         self.assertTrue(changed)
-
-
diff --git a/common/lib/xmodule/xmodule/tests/test_conditional.py b/common/lib/xmodule/xmodule/tests/test_conditional.py
index f889ec7111..361a6ea785 100644
--- a/common/lib/xmodule/xmodule/tests/test_conditional.py
+++ b/common/lib/xmodule/xmodule/tests/test_conditional.py
@@ -17,10 +17,11 @@ from xmodule.modulestore.exceptions import ItemNotFoundError
 from .test_export import DATA_DIR
 
 ORG = 'test_org'
-COURSE = 'conditional'	# name of directory with course data
+COURSE = 'conditional'  	# name of directory with course data
 
 from . import test_system
 
+
 class DummySystem(ImportSystem):
 
     @patch('xmodule.modulestore.xml.OSFS', lambda dir: MemoryFS())
@@ -82,19 +83,22 @@ class ConditionalModuleTest(unittest.TestCase):
                 location = descriptor
                 descriptor = self.modulestore.get_instance(course.id, location, depth=None)
             location = descriptor.location
-            instance_state = instance_states.get(location.category,None)
-            print "inner_get_module, location.category=%s, inst_state=%s" % (location.category, instance_state)
+            instance_state = instance_states.get(location.category, None)
+            print "inner_get_module, location=%s, inst_state=%s" % (location, instance_state)
             return descriptor.xmodule_constructor(test_system)(instance_state, shared_state)
 
-        location = Location(["i4x", "edX", "cond_test", "conditional","condone"])
-        module = inner_get_module(location)
+        location = Location(["i4x", "edX", "cond_test", "conditional", "condone"])
 
         def replace_urls(text, staticfiles_prefix=None, replace_prefix='/static/', course_namespace=None):
             return text
         test_system.replace_urls = replace_urls
         test_system.get_module = inner_get_module
 
+        module = inner_get_module(location)
         print "module: ", module
+        print "module definition: ", module.definition
+        print "module children: ", module.get_children()
+        print "module display items (children): ", module.get_display_items()
 
         html = module.get_html()
         print "html type: ", type(html)
@@ -105,15 +109,13 @@ class ConditionalModuleTest(unittest.TestCase):
         gdi =  module.get_display_items()
         print "gdi=", gdi
 
-        ajax = json.loads(module.handle_ajax('',''))
+        ajax = json.loads(module.handle_ajax('', ''))
         self.assertTrue('xmodule.conditional_module' in ajax['html'])
         print "ajax: ", ajax
 
         # now change state of the capa problem to make it completed
-        instance_states['problem'] = json.dumps({'attempts':1})
+        instance_states['problem'] = json.dumps({'attempts': 1})
 
-        ajax = json.loads(module.handle_ajax('',''))
+        ajax = json.loads(module.handle_ajax('', ''))
         self.assertTrue('This is a secret' in ajax['html'])
         print "post-attempt ajax: ", ajax
-
-
diff --git a/common/lib/xmodule/xmodule/tests/test_content.py b/common/lib/xmodule/xmodule/tests/test_content.py
index 6bd10f22f7..1bcd2f4ebe 100644
--- a/common/lib/xmodule/xmodule/tests/test_content.py
+++ b/common/lib/xmodule/xmodule/tests/test_content.py
@@ -3,11 +3,13 @@ from xmodule.contentstore.content import StaticContent
 from xmodule.contentstore.content import ContentStore
 from xmodule.modulestore import Location
 
+
 class Content:
     def __init__(self, location, content_type):
         self.location = location
         self.content_type = content_type
 
+
 class ContentTest(unittest.TestCase):
     def test_thumbnail_none(self):
         # We had a bug where a thumbnail location of None was getting transformed into a Location tuple, with
@@ -22,4 +24,4 @@ class ContentTest(unittest.TestCase):
         content = Content(Location(u'c4x', u'mitX', u'800', u'asset', u'monsters.jpg'), None)
         (thumbnail_content, thumbnail_file_location) = contentStore.generate_thumbnail(content)
         self.assertIsNone(thumbnail_content)
-        self.assertEqual(Location(u'c4x', u'mitX', u'800', u'thumbnail', u'monsters.jpg'), thumbnail_file_location)
\ No newline at end of file
+        self.assertEqual(Location(u'c4x', u'mitX', u'800', u'thumbnail', u'monsters.jpg'), thumbnail_file_location)
diff --git a/common/lib/xmodule/xmodule/tests/test_export.py b/common/lib/xmodule/xmodule/tests/test_export.py
index f92d58db03..da1b04bd94 100644
--- a/common/lib/xmodule/xmodule/tests/test_export.py
+++ b/common/lib/xmodule/xmodule/tests/test_export.py
@@ -27,6 +27,7 @@ def strip_metadata(descriptor, key):
     for d in descriptor.get_children():
         strip_metadata(d, key)
 
+
 def strip_filenames(descriptor):
     """
     Recursively strips 'filename' from all children's definitions.
@@ -119,12 +120,12 @@ class RoundTripTestCase(unittest.TestCase):
 
     def test_selfassessment_roundtrip(self):
         #Test selfassessment xmodule to see if it exports correctly
-        self.check_export_roundtrip(DATA_DIR,"self_assessment")
+        self.check_export_roundtrip(DATA_DIR, "self_assessment")
 
     def test_graphicslidertool_roundtrip(self):
         #Test graphicslidertool xmodule to see if it exports correctly
-        self.check_export_roundtrip(DATA_DIR,"graphic_slider_tool")
+        self.check_export_roundtrip(DATA_DIR, "graphic_slider_tool")
 
     def test_exam_registration_roundtrip(self):
         # Test exam_registration xmodule to see if it exports correctly
-        self.check_export_roundtrip(DATA_DIR,"test_exam_registration")
+        self.check_export_roundtrip(DATA_DIR, "test_exam_registration")
diff --git a/common/lib/xmodule/xmodule/tests/test_graders.py b/common/lib/xmodule/xmodule/tests/test_graders.py
index fa0e94d2d5..27416b1d5c 100644
--- a/common/lib/xmodule/xmodule/tests/test_graders.py
+++ b/common/lib/xmodule/xmodule/tests/test_graders.py
@@ -4,6 +4,7 @@ import unittest
 from xmodule import graders
 from xmodule.graders import Score, aggregate_scores
 
+
 class GradesheetTest(unittest.TestCase):
 
     def test_weighted_grading(self):
@@ -217,4 +218,3 @@ class GraderTest(unittest.TestCase):
 
         #TODO: How do we test failure cases? The parser only logs an error when
         #it can't parse something. Maybe it should throw exceptions?
-
diff --git a/common/lib/xmodule/xmodule/tests/test_import.py b/common/lib/xmodule/xmodule/tests/test_import.py
index 7cd91223e3..42072ffe4d 100644
--- a/common/lib/xmodule/xmodule/tests/test_import.py
+++ b/common/lib/xmodule/xmodule/tests/test_import.py
@@ -61,6 +61,7 @@ class BaseCourseTestCase(unittest.TestCase):
         self.assertEquals(len(courses), 1)
         return courses[0]
 
+
 class ImportTestCase(BaseCourseTestCase):
 
     def test_fallback(self):
@@ -323,7 +324,7 @@ class ImportTestCase(BaseCourseTestCase):
 
         self.assertEqual(len(sections), 4)
 
-        for i in (2,3):
+        for i in (2, 3):
             video = sections[i]
             # Name should be 'video_{hash}'
             print "video {0} url_name: {1}".format(i, video.url_name)
@@ -379,5 +380,3 @@ class ImportTestCase(BaseCourseTestCase):
         # and finally...
         course.metadata['cohort_config'] = {'cohorted': True}
         self.assertTrue(course.is_cohorted)
-
-
diff --git a/common/lib/xmodule/xmodule/tests/test_progress.py b/common/lib/xmodule/xmodule/tests/test_progress.py
index cb011cdc2b..0114ba4ad3 100644
--- a/common/lib/xmodule/xmodule/tests/test_progress.py
+++ b/common/lib/xmodule/xmodule/tests/test_progress.py
@@ -7,6 +7,7 @@ from xmodule import x_module
 
 from . import test_system
 
+
 class ProgressTest(unittest.TestCase):
     ''' Test that basic Progress objects work.  A Progress represents a
     fraction between 0 and 1.
diff --git a/common/lib/xmodule/xmodule/tests/test_randomize_module.py b/common/lib/xmodule/xmodule/tests/test_randomize_module.py
index 6353245f1a..456fd379a5 100644
--- a/common/lib/xmodule/xmodule/tests/test_randomize_module.py
+++ b/common/lib/xmodule/xmodule/tests/test_randomize_module.py
@@ -52,4 +52,3 @@ class RandomizeModuleTestCase(unittest.TestCase):
 
     # TODO: add tests that create a module and check.  Passing state is a good way to
     # check that child access works...
-
diff --git a/common/lib/xmodule/xmodule/tests/test_self_assessment.py b/common/lib/xmodule/xmodule/tests/test_self_assessment.py
index c5fb82e412..617b2b142a 100644
--- a/common/lib/xmodule/xmodule/tests/test_self_assessment.py
+++ b/common/lib/xmodule/xmodule/tests/test_self_assessment.py
@@ -8,6 +8,7 @@ from lxml import etree
 
 from . import test_system
 
+
 class SelfAssessmentTest(unittest.TestCase):
 
     rubric = '''<rubric><rubric>
@@ -44,12 +45,14 @@ class SelfAssessmentTest(unittest.TestCase):
                 'prompt': self.prompt,
                 'max_score': 1,
                 'display_name': "Name",
-                'accept_file_upload' : False,
+                'accept_file_upload': False,
+                'close_date': None
                 }
 
         self.module = SelfAssessmentModule(test_system, self.location,
                                       self.definition, self.descriptor,
-                                      static_data, state, metadata=self.metadata)
+                                      static_data, 
+                                      state, metadata=self.metadata)
 
     def test_get_html(self):
         html = self.module.get_html(test_system)
@@ -74,4 +77,3 @@ class SelfAssessmentTest(unittest.TestCase):
         self.module.save_answer({'student_answer': 'answer 4'}, test_system)
         self.module.save_assessment({'assessment': '1'}, test_system)
         self.assertEqual(self.module.state, self.module.DONE)
-
diff --git a/common/lib/xmodule/xmodule/tests/test_stringify.py b/common/lib/xmodule/xmodule/tests/test_stringify.py
index 29e99bef56..e44b93b0b8 100644
--- a/common/lib/xmodule/xmodule/tests/test_stringify.py
+++ b/common/lib/xmodule/xmodule/tests/test_stringify.py
@@ -2,6 +2,7 @@ from nose.tools import assert_equals, assert_true, assert_false
 from lxml import etree
 from xmodule.stringify import stringify_children
 
+
 def test_stringify():
     text = 'Hi <div x="foo">there <span>Bruce</span><b>!</b></div>'
     html = '''<html a="b" foo="bar">{0}</html>'''.format(text)
@@ -9,6 +10,7 @@ def test_stringify():
     out = stringify_children(xml)
     assert_equals(out, text)
 
+
 def test_stringify_again():
     html = """<html name="Voltage Source Answer" >A voltage source is non-linear!
 <div align="center">
diff --git a/common/lib/xmodule/xmodule/timelimit_module.py b/common/lib/xmodule/xmodule/timelimit_module.py
new file mode 100644
index 0000000000..9abb5d183f
--- /dev/null
+++ b/common/lib/xmodule/xmodule/timelimit_module.py
@@ -0,0 +1,162 @@
+import json
+import logging
+
+from lxml import etree
+from time import time
+
+from xmodule.editing_module import XMLEditingDescriptor
+from xmodule.xml_module import XmlDescriptor
+from xmodule.x_module import XModule
+from xmodule.progress import Progress
+from xmodule.exceptions import NotFoundError
+
+
+log = logging.getLogger(__name__)
+
+class TimeLimitModule(XModule):
+    ''' 
+    Wrapper module which imposes a time constraint for the completion of its child.
+    '''
+
+    def __init__(self, system, location, definition, descriptor, instance_state=None,
+                 shared_state=None, **kwargs):
+        XModule.__init__(self, system, location, definition, descriptor,
+                         instance_state, shared_state, **kwargs)
+
+        self.rendered = False
+        self.beginning_at = None
+        self.ending_at = None
+        self.accommodation_code = None
+        
+        if instance_state is not None:
+            state = json.loads(instance_state)
+
+            if 'beginning_at' in state:
+                self.beginning_at = state['beginning_at']
+            if 'ending_at' in state:
+                self.ending_at = state['ending_at']
+            if 'accommodation_code' in state:
+                self.accommodation_code = state['accommodation_code']
+                
+    # For a timed activity, we are only interested here
+    # in time-related accommodations, and these should be disjoint.
+    # (For proctored exams, it is possible to have multiple accommodations
+    # apply to an exam, so they require accommodating a multi-choice.)
+    TIME_ACCOMMODATION_CODES = (('NONE', 'No Time Accommodation'),
+                      ('ADDHALFTIME', 'Extra Time - 1 1/2 Time'),
+                      ('ADD30MIN', 'Extra Time - 30 Minutes'),
+                      ('DOUBLE', 'Extra Time - Double Time'),
+                      ('TESTING', 'Extra Time -- Large amount for testing purposes')
+                    )
+
+    def _get_accommodated_duration(self, duration):
+        ''' 
+        Get duration for activity, as adjusted for accommodations.
+        Input and output are expressed in seconds.
+        '''
+        if self.accommodation_code is None or self.accommodation_code == 'NONE':
+            return duration
+        elif self.accommodation_code == 'ADDHALFTIME':
+            # TODO:  determine what type to return
+            return int(duration * 1.5)
+        elif self.accommodation_code == 'ADD30MIN':
+            return (duration + (30 * 60))
+        elif self.accommodation_code == 'DOUBLE':
+            return (duration * 2)
+        elif self.accommodation_code == 'TESTING':
+            # when testing, set timer to run for a week at a time.
+            return 3600 * 24 * 7
+
+    @property
+    def has_begun(self):
+        return self.beginning_at is not None
+    
+    @property    
+    def has_ended(self):
+        if not self.ending_at:
+            return False
+        return self.ending_at < time()
+        
+    def begin(self, duration):
+        ''' 
+        Sets the starting time and ending time for the activity,
+        based on the duration provided (in seconds).
+        '''
+        self.beginning_at = time()
+        modified_duration = self._get_accommodated_duration(duration)
+        self.ending_at = self.beginning_at + modified_duration
+        
+    def get_remaining_time_in_ms(self):
+        return int((self.ending_at - time()) * 1000)
+
+    def get_instance_state(self):
+        state = {}
+        if self.beginning_at:
+            state['beginning_at'] = self.beginning_at
+        if self.ending_at:
+            state['ending_at'] = self.ending_at
+        if self.accommodation_code:
+            state['accommodation_code'] = self.accommodation_code
+        return json.dumps(state)
+
+    def get_html(self):
+        self.render()
+        return self.content
+
+    def get_progress(self):
+        ''' Return the total progress, adding total done and total available.
+        (assumes that each submodule uses the same "units" for progress.)
+        '''
+        # TODO: Cache progress or children array?
+        children = self.get_children()
+        progresses = [child.get_progress() for child in children]
+        progress = reduce(Progress.add_counts, progresses)
+        return progress
+
+    def handle_ajax(self, dispatch, get):
+        raise NotFoundError('Unexpected dispatch type')
+
+    def render(self):
+        if self.rendered:
+            return
+        # assumes there is one and only one child, so it only renders the first child
+        children = self.get_display_items()
+        if children:
+            child = children[0]
+            self.content = child.get_html()
+        self.rendered = True
+
+    def get_icon_class(self):
+        children = self.get_children()
+        if children:
+            return children[0].get_icon_class()
+        else:
+            return "other"
+
+class TimeLimitDescriptor(XMLEditingDescriptor, XmlDescriptor):
+
+    module_class = TimeLimitModule
+
+    # For remembering when a student started, and when they should end
+    stores_state = True 
+
+    @classmethod
+    def definition_from_xml(cls, xml_object, system):
+        children = []
+        for child in xml_object:
+            try:
+                children.append(system.process_xml(etree.tostring(child, encoding='unicode')).location.url())
+            except Exception as e:
+                log.exception("Unable to load child when parsing TimeLimit wrapper. Continuing...")
+                if system.error_tracker is not None:
+                    system.error_tracker("ERROR: " + str(e))
+                continue
+        return {'children': children}
+
+    def definition_to_xml(self, resource_fs):
+        xml_object = etree.Element('timelimit')
+        for child in self.get_children():
+            xml_object.append(
+                etree.fromstring(child.export_to_xml(resource_fs)))
+        return xml_object
+
diff --git a/common/lib/xmodule/xmodule/timeparse.py b/common/lib/xmodule/xmodule/timeparse.py
index 36c0f725e5..15a8233ccb 100644
--- a/common/lib/xmodule/xmodule/timeparse.py
+++ b/common/lib/xmodule/xmodule/timeparse.py
@@ -2,9 +2,13 @@
 Helper functions for handling time in the format we like.
 """
 import time
+import re
+from datetime import timedelta
 
 TIME_FORMAT = "%Y-%m-%dT%H:%M"
 
+TIMEDELTA_REGEX = re.compile(r'^((?P<days>\d+?) day(?:s?))?(\s)?((?P<hours>\d+?) hour(?:s?))?(\s)?((?P<minutes>\d+?) minute(?:s)?)?(\s)?((?P<seconds>\d+?) second(?:s)?)?$')
+
 def parse_time(time_str):
     """
     Takes a time string in TIME_FORMAT
@@ -15,8 +19,29 @@ def parse_time(time_str):
     """
     return time.strptime(time_str, TIME_FORMAT)
 
+
 def stringify_time(time_struct):
     """
     Convert a time struct to a string
     """
     return time.strftime(TIME_FORMAT, time_struct)
+
+def parse_timedelta(time_str):
+    """
+    time_str: A string with the following components:
+        <D> day[s] (optional)
+        <H> hour[s] (optional)
+        <M> minute[s] (optional)
+        <S> second[s] (optional)
+
+    Returns a datetime.timedelta parsed from the string
+    """
+    parts = TIMEDELTA_REGEX.match(time_str)
+    if not parts:
+        return
+    parts = parts.groupdict()
+    time_params = {}
+    for (name, param) in parts.iteritems():
+        if param:
+            time_params[name] = int(param)
+    return timedelta(**time_params)
diff --git a/common/lib/xmodule/xmodule/util/decorators.py b/common/lib/xmodule/xmodule/util/decorators.py
index 81ab747a3e..0b9b301244 100644
--- a/common/lib/xmodule/xmodule/util/decorators.py
+++ b/common/lib/xmodule/xmodule/util/decorators.py
@@ -4,8 +4,8 @@ def lazyproperty(fn):
     """
     Use this decorator for lazy generation of properties that
     are expensive to compute. From http://stackoverflow.com/a/3013910/86828
-    
-    
+
+
     Example:
     class Test(object):
 
@@ -13,7 +13,7 @@ def lazyproperty(fn):
         def a(self):
             print 'generating "a"'
             return range(5)
-    
+
     Interactive Session:
     >>> t = Test()
     >>> t.__dict__
@@ -26,11 +26,11 @@ def lazyproperty(fn):
     >>> t.a
     [0, 1, 2, 3, 4]
     """
-    
+
     attr_name = '_lazy_' + fn.__name__
     @property
     def _lazyprop(self):
         if not hasattr(self, attr_name):
             setattr(self, attr_name, fn(self))
         return getattr(self, attr_name)
-    return _lazyprop
\ No newline at end of file
+    return _lazyprop
diff --git a/common/lib/xmodule/xmodule/vertical_module.py b/common/lib/xmodule/xmodule/vertical_module.py
index 14105b41d0..5827ea96a9 100644
--- a/common/lib/xmodule/xmodule/vertical_module.py
+++ b/common/lib/xmodule/xmodule/vertical_module.py
@@ -47,6 +47,6 @@ class VerticalDescriptor(SequenceDescriptor):
 
     js = {'coffee': [resource_string(__name__, 'js/src/vertical/edit.coffee')]}
     js_module_name = "VerticalDescriptor"
-        
+
     # TODO (victor): Does this need its own definition_to_xml method?  Otherwise it looks
     # like verticals will get exported as sequentials...
diff --git a/common/lib/xmodule/xmodule/video_module.py b/common/lib/xmodule/xmodule/video_module.py
index f21cd37a37..359b97df7c 100644
--- a/common/lib/xmodule/xmodule/video_module.py
+++ b/common/lib/xmodule/xmodule/video_module.py
@@ -121,13 +121,24 @@ class VideoModule(XModule):
         return self.youtube
 
     def get_html(self):
-        if isinstance(modulestore(), XMLModuleStore) :
+        if isinstance(modulestore(), XMLModuleStore):
             # VS[compat]
             # cdodge: filesystem static content support.
             caption_asset_path = "/static/{0}/subs/".format(self.metadata['data_dir'])
         else:
             caption_asset_path = StaticContent.get_base_url_path_for_course_assets(self.location) + '/subs_'
 
+        # We normally let JS parse this, but in the case that we need a hacked
+        # out <object> player because YouTube has broken their <iframe> API for
+        # the third time in a year, we need to extract it server side.
+        normal_speed_video_id = None # The 1.0 speed video
+
+        # video_list() example:
+        #   "0.75:nugHYNiD3fI,1.0:7m8pab1MfYY,1.25:3CxdPGXShq8,1.50:F-D7bOFCnXA"
+        for video_id_str in self.video_list().split(","):
+            if video_id_str.startswith("1.0:"):
+                normal_speed_video_id = video_id_str.split(":")[1]
+
         return self.system.render_template('video.html', {
             'streams': self.video_list(),
             'id': self.location.html_id(),
@@ -140,7 +151,8 @@ class VideoModule(XModule):
             'caption_asset_path': caption_asset_path,
             'show_captions': self.show_captions,
             'start': self.start_time,
-            'end': self.end_time
+            'end': self.end_time,
+            'normal_speed_video_id': normal_speed_video_id
         })
 
 
diff --git a/common/lib/xmodule/xmodule/x_module.py b/common/lib/xmodule/xmodule/x_module.py
index 0e4e8e0f00..87c085b19a 100644
--- a/common/lib/xmodule/xmodule/x_module.py
+++ b/common/lib/xmodule/xmodule/x_module.py
@@ -109,16 +109,16 @@ class HTMLSnippet(object):
         All of these will be loaded onto the page in the CMS
         """
         # cdodge: We've moved the xmodule.coffee script from an outside directory into the xmodule area of common
-        # this means we need to make sure that all xmodules include this dependency which had been previously implicitly 
+        # this means we need to make sure that all xmodules include this dependency which had been previously implicitly
         # fulfilled in a different area of code
         js = cls.js
-        
+
         if js is None:
             js = {}
 
         if 'coffee' not in js:
             js['coffee'] = []
-        
+
         js['coffee'].append(resource_string(__name__, 'js/src/xmodule.coffee'))
 
         return js
@@ -538,7 +538,7 @@ class XModuleDescriptor(Plugin, HTMLSnippet, ResourceTemplates):
     def start(self, value):
         if isinstance(value, time.struct_time):
             self.metadata['start'] = stringify_time(value)
-        
+
     @property
     def days_early_for_beta(self):
         """
diff --git a/common/lib/xmodule/xmodule/xml_module.py b/common/lib/xmodule/xmodule/xml_module.py
index ed2f6ce921..64c3aabbcc 100644
--- a/common/lib/xmodule/xmodule/xml_module.py
+++ b/common/lib/xmodule/xmodule/xml_module.py
@@ -16,6 +16,7 @@ edx_xml_parser = etree.XMLParser(dtd_validation=False, load_dtd=False,
                                  remove_comments=True, remove_blank_text=True,
                                  encoding='utf-8')
 
+
 def name_to_pathname(name):
     """
     Convert a location name for use in a path: replace ':' with '/'.
@@ -23,6 +24,7 @@ def name_to_pathname(name):
     """
     return name.replace(':', '/')
 
+
 def is_pointer_tag(xml_obj):
     """
     Check if xml_obj is a pointer tag: <blah url_name="something" />.
@@ -46,6 +48,7 @@ def is_pointer_tag(xml_obj):
 
     return len(xml_obj) == 0 and actual_attr == expected_attr and not has_text
 
+
 def get_metadata_from_xml(xml_object, remove=True):
     meta = xml_object.find('meta')
     if meta is None:
@@ -58,6 +61,7 @@ def get_metadata_from_xml(xml_object, remove=True):
 
 _AttrMapBase = namedtuple('_AttrMap', 'from_xml to_xml')
 
+
 class AttrMap(_AttrMapBase):
     """
     A class that specifies two functions:
@@ -93,16 +97,16 @@ class XmlDescriptor(XModuleDescriptor):
     metadata_attributes = ('format', 'graceperiod', 'showanswer', 'rerandomize',
         'start', 'due', 'graded', 'display_name', 'url_name', 'hide_from_toc',
         'ispublic', 	# if True, then course is listed for all users; see
-        'xqa_key',	# for xqaa server access
-        # information about testcenter exams is a dict (of dicts), not a string, 
-        # so it cannot be easily exportable as a course element's attribute. 
+        'xqa_key',  	# for xqaa server access
+        # information about testcenter exams is a dict (of dicts), not a string,
+        # so it cannot be easily exportable as a course element's attribute.
         'testcenter_info',
         # VS[compat] Remove once unused.
         'name', 'slug')
 
-    metadata_to_strip = ('data_dir', 
+    metadata_to_strip = ('data_dir',
             # cdodge: @TODO: We need to figure out a way to export out 'tabs' and 'grading_policy' which is on the course
-            'tabs', 'grading_policy', 'is_draft', 'published_by', 'published_date', 
+            'tabs', 'grading_policy', 'is_draft', 'published_by', 'published_date',
             'discussion_blackouts', 'testcenter_info',
            # VS[compat] -- remove the below attrs once everything is in the CMS
            'course', 'org', 'url_name', 'filename')
@@ -117,7 +121,7 @@ class XmlDescriptor(XModuleDescriptor):
     bool_map = AttrMap(to_bool, from_bool)
 
     to_int = lambda val: int(val)
-    from_int = lambda val: str(val) 
+    from_int = lambda val: str(val)
     int_map = AttrMap(to_int, from_int)
     xml_attribute_map = {
         # type conversion: want True/False in python, "true"/"false" in xml
@@ -125,7 +129,7 @@ class XmlDescriptor(XModuleDescriptor):
         'hide_progress_tab': bool_map,
         'allow_anonymous': bool_map,
         'allow_anonymous_to_peers': bool_map,
-        'weight':int_map
+        'weight': int_map
     }
 
 
@@ -133,8 +137,8 @@ class XmlDescriptor(XModuleDescriptor):
     # importing 2012 courses.
     # A set of metadata key conversions that we want to make
     metadata_translations = {
-        'slug' : 'url_name',
-        'name' : 'display_name',
+        'slug': 'url_name',
+        'name': 'display_name',
         }
 
     @classmethod
@@ -230,7 +234,7 @@ class XmlDescriptor(XModuleDescriptor):
 
         # TODO (ichuang): remove this after migration
         # for Fall 2012 LMS migration: keep filename (and unmangled filename)
-        definition['filename'] = [ filepath, filename ]
+        definition['filename'] = [filepath, filename]
 
         return definition
 
@@ -291,9 +295,9 @@ class XmlDescriptor(XModuleDescriptor):
             filepath = cls._format_filepath(xml_object.tag, name_to_pathname(url_name))
             definition_xml = cls.load_file(filepath, system.resources_fs, location)
         else:
-            definition_xml = xml_object	# this is just a pointer, not the real definition content
+            definition_xml = xml_object  	# this is just a pointer, not the real definition content
 
-        definition = cls.load_definition(definition_xml, system, location)	# note this removes metadata
+        definition = cls.load_definition(definition_xml, system, location)  	# note this removes metadata
         # VS[compat] -- make Ike's github preview links work in both old and
         # new file layouts
         if is_pointer_tag(xml_object):
@@ -303,13 +307,13 @@ class XmlDescriptor(XModuleDescriptor):
         metadata = cls.load_metadata(definition_xml)
 
         # move definition metadata into dict
-        dmdata = definition.get('definition_metadata','')
+        dmdata = definition.get('definition_metadata', '')
         if dmdata:
             metadata['definition_metadata_raw'] = dmdata
             try:
                 metadata.update(json.loads(dmdata))
             except Exception as err:
-                log.debug('Error %s in loading metadata %s' % (err,dmdata))
+                log.debug('Error %s in loading metadata %s' % (err, dmdata))
                 metadata['definition_metadata_err'] = str(err)
 
         # Set/override any metadata specified by policy
diff --git a/common/static/applets/capa/Protex.jar b/common/static/applets/capa/Protex.jar
new file mode 100644
index 0000000000..2c6a819ec5
Binary files /dev/null and b/common/static/applets/capa/Protex.jar differ
diff --git a/common/static/applets/capa/genex.jar b/common/static/applets/capa/genex.jar
new file mode 100644
index 0000000000..75f784b592
Binary files /dev/null and b/common/static/applets/capa/genex.jar differ
diff --git a/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee b/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
index d31a402a99..8b47696c01 100644
--- a/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
+++ b/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
@@ -50,7 +50,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".post-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     renderResponses: ->
diff --git a/common/static/coffee/src/discussion/views/discussion_thread_show_view.coffee b/common/static/coffee/src/discussion/views/discussion_thread_show_view.coffee
index a8e95c2565..6320c3d1e3 100644
--- a/common/static/coffee/src/discussion/views/discussion_thread_show_view.coffee
+++ b/common/static/coffee/src/discussion/views/discussion_thread_show_view.coffee
@@ -47,7 +47,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".post-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     toggleVote: (event) ->
diff --git a/common/static/coffee/src/discussion/views/response_comment_show_view.coffee b/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
index e6c8064978..84e7357e1f 100644
--- a/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
+++ b/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
@@ -26,7 +26,7 @@ if Backbone?
 
     convertMath: ->
       body = @$el.find(".response-body")
-      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.html()
+      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, body[0]]
 
     markAsStaff: ->
diff --git a/common/static/coffee/src/discussion/views/thread_response_show_view.coffee b/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
index 32683fe6f6..1f305ddf34 100644
--- a/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
+++ b/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
@@ -30,7 +30,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".response-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     markAsStaff: ->
diff --git a/common/static/js/capa/design-protein-2d.js b/common/static/js/capa/design-protein-2d.js
new file mode 100644
index 0000000000..c0db798e2c
--- /dev/null
+++ b/common/static/js/capa/design-protein-2d.js
@@ -0,0 +1,73 @@
+(function () {
+    var timeout = 1000;
+
+    waitForProtex();
+
+    function waitForProtex() {
+        if (typeof(protex) !== "undefined" && protex) {
+            protex.onInjectionDone("protex");
+        }
+        /*if (typeof(protex) !== "undefined") {
+            //initializeProtex();    
+        }*/
+        else {
+            setTimeout(function() { waitForProtex(); }, timeout);
+        }
+    }
+    
+    //NOTE:
+    // Protex uses three global functions:
+    // protexSetTargetShape (exported from GWT)
+    // exported protexCheckAnswer (exported from GWT)
+    // It calls protexIsReady with a deferred command when it has finished 
+    // initialization and has drawn itself
+    
+    protexIsReady = function() {
+        //Load target shape
+        var target_shape = $('#target_shape').val();
+        protexSetTargetShape(target_shape);
+            
+        //Get answer from protex and store it into the hidden input field
+        //when Check button is clicked
+        var problem = $('#protex_container').parents('.problem');
+        var check_button = problem.find('input.check');
+        var input_field = problem.find('input[type=hidden]');
+        check_button.on('click', function() {
+            var protex_answer = protexCheckAnswer();
+            var value = {protex_answer: protex_answer};
+            input_field.val(JSON.stringify(value));
+        });              
+    };
+    
+    /*function initializeProtex() {
+        //Check to see if the two exported GWT functions protexSetTargetShape 
+        // and protexCheckAnswer have been appended to global scope -- this 
+        //happens at the end of onModuleLoad() in GWT
+        if (typeof(protexSetTargetShape) === "function" &&
+            typeof(protexCheckAnswer) === "function") {
+            
+            //Load target shape
+            var target_shape = $('#target_shape').val();
+            //protexSetTargetShape(target_shape);
+            
+            //Get answer from protex and store it into the hidden input field
+            //when Check button is clicked
+            var problem = $('#protex_container').parents('.problem');
+            var check_button = problem.find('input.check');
+        	var input_field = problem.find('input[type=hidden]');
+            check_button.on('click', function() {
+                var protex_answer = protexCheckAnswer();
+                var value = {protex_answer: protex_answer};
+                input_field.val(JSON.stringify(value));
+            });
+            
+            //TO DO: Fix this, it works but is utterly ugly and unreliable
+            setTimeout(function() {
+              protexSetTargetShape(target_shape);}, 2000);
+
+        }
+        else {
+            setTimeout(function() {initializeProtex(); }, timeout);
+        }
+    }*/
+}).call(this);
diff --git a/common/static/js/capa/edit-a-gene.js b/common/static/js/capa/edit-a-gene.js
new file mode 100644
index 0000000000..48753e507d
--- /dev/null
+++ b/common/static/js/capa/edit-a-gene.js
@@ -0,0 +1,27 @@
+(function () {
+    var timeout = 1000;
+
+    function initializeApplet(applet) {
+        console.log("Initializing " + applet);
+        waitForApplet(applet);
+    }
+
+    function waitForApplet(applet) {
+        if (applet.isActive && applet.isActive()) {
+            console.log("Applet is ready.");
+            var answerStr = applet.checkAnswer();
+            console.log(answerStr);
+            var input = $('.editageneinput input');
+            console.log(input);
+            input.val(answerStr);
+        } else if (timeout > 30 * 1000) {
+            console.error("Applet did not load on time.");
+        } else {
+            console.log("Waiting for applet...");
+            setTimeout(function() { waitForApplet(applet); }, timeout);
+        }
+    }
+    
+    var applets = $('.editageneinput object');
+    applets.each(function(i, el) { initializeApplet(el); });
+}).call(this);
diff --git a/common/static/js/capa/editamolecule.js b/common/static/js/capa/editamolecule.js
new file mode 100644
index 0000000000..e5d9007d51
--- /dev/null
+++ b/common/static/js/capa/editamolecule.js
@@ -0,0 +1,185 @@
+(function () {
+    var timeout = 100;
+
+    // Simple "lock" to prevent applets from being initialized more than once
+    if (typeof(_editamolecule_loaded) == 'undefined' || _editamolecule_loaded == false) {
+        _editamolecule_loaded = true;
+        loadGWTScripts();
+        waitForGWT();
+    } else {
+        return;
+    }
+
+    function loadScript(src) {
+        var script = document.createElement('script');
+        script.setAttribute('type', 'text/javascript');
+        script.setAttribute('src',  src);
+        $('head')[0].appendChild(script);
+    }
+
+    function loadGWTScripts() {
+        // The names of the script are split to prevent them from
+        // being rewritten by LMS. GWT uses the filename of the script
+        // to find the URL path in which the script lives. If the name
+        // of the file is changed, GWT won't load correctly
+        var jsmolcalc_src = '/sta' + 'tic/js/capa/jsmolcalc/jsmolcalc.nocache.js';
+        var jsme_src = '/sta' + 'tic/js/capa/jsme/jsme_export.nocache.js';
+
+        // Make sure we don't request the scripts twice
+
+        if (typeof (_jsmolcalc) == 'undefined') {
+            _jsmolcalc = true;
+            loadScript(jsmolcalc_src);
+        }
+
+        if (typeof (_jsme) == 'undefined') {
+            _jsme = true;
+            loadScript(jsme_src);
+        }
+    }
+
+    function waitForGWT() {
+        // jsme and jsmolcalc are not initialized automatically by the GWT
+        // script loader. To fix this, wait for the scripts to load,
+        // initialize them manually and wait until they are ready
+
+        if (typeof(jsmolcalc) != 'undefined' && jsmolcalc)
+        {
+            jsmolcalc.onInjectionDone('jsmolcalc');
+        }
+
+        if (typeof(jsme_export) != 'undefined' && jsme_export)
+        {
+            // dummy function called by jsme_export
+            window.jsmeOnLoad  = function() {};
+            jsme_export.onInjectionDone('jsme_export');
+        }
+
+        // jsmol is defined my jsmolcalc and JavaScriptApplet is defined by jsme
+        if (typeof(jsmol) != 'undefined' && typeof(JavaScriptApplet) != 'undefined') {
+            // ready, initialize applets
+            initializeApplets();
+            _editamolecule_loaded = false;  // for reloading when checking is pressed
+        } else {
+            setTimeout(waitForGWT, timeout);
+        }
+    }
+
+    function initializeApplets() {
+        var applets = $('.editamoleculeinput div.applet');
+        applets.each(function(i, element) {
+            if (!$(element).hasClass('loaded')) {
+                var applet = new JavaScriptApplet.JSME(
+                    element.id,
+                    $(element).width(),
+                    $(element).height(),
+                    {
+    	                "options" : "query, hydrogens"
+    	            });
+                $(element).addClass('loaded');
+                configureApplet(element, applet);
+            }
+        });
+    }
+
+    function configureApplet(element, applet) {
+        // Traverse up the DOM tree and get the other relevant elements
+        var parent = $(element).parent();
+        var input_field = parent.find('input[type=hidden]');
+        var reset_button = parent.find('button.reset');
+        var message_field = parent.find('.error_message');
+
+        // Applet options
+        applet.setAntialias(true);
+
+        // Load initial data
+        var value = input_field.val();
+        if (value) {
+            var data = JSON.parse(value)["mol"];
+            loadAppletData(applet, data, input_field);
+        } else {
+            requestAppletData(element, applet, input_field);
+        }
+
+        reset_button.on('click', function() {
+            requestAppletData(element, applet, input_field);
+            message_field.html('').hide(); // clear messages
+        });
+
+        // Update the input element everytime the is an interaction
+        // with the applet (click, drag, etc)
+        $(element).on('mouseup', function() {
+            var values = updateInput(applet, input_field);
+            updateMessages(message_field, values);
+        });
+    }
+
+    function requestAppletData(element, applet, input_field) {
+        var molFile = $(element).data('molfile-src');
+        jQuery.ajax({
+            url: molFile,
+            dataType: "text",
+            success: function(data) {
+                loadAppletData(applet, data, input_field);
+            },
+            error: function() {
+                console.error("Cannot load mol data from: " + molFile);
+            }
+        });
+    }
+
+    function loadAppletData(applet, data, input_field) {
+        applet.readMolFile(data);
+        updateInput(applet, input_field);
+    }
+
+    function updateInput(applet, input_field) {
+        var mol = applet.molFile();
+        var smiles = applet.smiles();
+        var jme = applet.jmeFile();
+
+        var raw_info = jsmol.API.getInfo(mol, smiles, jme).toString();
+        var info = formatInfo(raw_info);
+        var error = formatError(raw_info);
+        var value = { mol: mol, info: info, error: error };
+
+        input_field.val(JSON.stringify(value));
+
+        return value;
+    }
+
+    function formatInfo(raw_info) {
+        var results = [];
+
+        if (raw_info.search("It is not possible") == -1) {
+            var fragment = $('<div>').append(raw_info);
+            fragment.find('font').each(function () {
+                results.push($(this).html());
+            });
+        }
+
+        return results;
+    }
+
+    function formatError(raw_info) {
+        var error = '';
+
+        if (raw_info.search("It is not possible") != -1) {
+            var tags = /<((\/)?\w{1,7})>/g;
+            error = raw_info.replace(tags, ' ');
+
+        }
+        return error;
+    }
+
+
+    function updateMessages(message_field, values) {
+        var error = values['error'];
+        if (error) {
+            message_field.html(error).show();
+        } else {
+            // Clear messages
+            message_field.html('').hide();
+        }
+    }
+}).call(this);
diff --git a/common/static/js/capa/jsme/0611409F263B5178342FE86F2A15096A.cache.html b/common/static/js/capa/jsme/0611409F263B5178342FE86F2A15096A.cache.html
new file mode 100644
index 0000000000..79803e7229
--- /dev/null
+++ b/common/static/js/capa/jsme/0611409F263B5178342FE86F2A15096A.cache.html
@@ -0,0 +1,432 @@
+<html><head><meta charset="UTF-8" /><script>var $gwt_version = "2.5.0";var $wnd = parent;var $doc = $wnd.document;var $moduleName, $moduleBase;var $strongName = '0611409F263B5178342FE86F2A15096A';var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;$stats && $stats({moduleName:'jsme_export',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});</script></head><body><script><!--
+var j="",aa="\n",k=" ",ba=" as ",ca=" to the clipboard",da='"',ea='" ',ga='" height="',ha='" stroke="',ka='" x2="',la='" y1="',ma='" y2="',na='" y="',oa='">',pa="#",qa="$MOL\n",sa="(",ua=")",va="*",wa="+",xa=",",ya=", ",za="-",Aa="-selected",Ca=".",Da="/>",Ea="0",Ga="0px",Ha="1",Ia="100%",Ja="1px",Ka="2",La="3",Ma=":",Oa=": ",Sa='<line x1="',Ta="=",Ua=">",Va="?",Ya="@",Za="@@",$a="A",ab="After",bb="Any",cb="Aromatic",db="B",eb="BODY",fb="Before",gb="Br",kb="C",lb="CENTER",mb="CSS1Compat",nb="Center",
+ob="Cl",pb="Class$",qb="Close",rb="Copy ",sb="Dialog",tb="East",ub="F",vb="First",Bb='For input string: "',Cb="H",Db="Helvetica",Eb="I",Fb="JUSTIFY",Gb="LEFT",Hb="N",Ib="No molecules in molstack",Jb="Nonring",Rb="North",Sb="Null widget handle. If you are creating a composite, ensure that initWidget() has been called.",Tb="O",Ub="ONE_WAY_CORNER",Vb="P",Wb="R",Xb="R1",Yb="R2",Zb="R3",$b="RIGHT",ac="ROLL_DOWN",bc="Reset",cc="Ring",dc="S",ec="SMILES",gc="Se",hc="Si",ic="South",jc="Style names cannot be empty",
+kc="Text",lc="Unknown",mc="West",nc="X",oc="[",pc="\\",qc="]",rc="a",sc="absolute",tc="alert",uc="alertdialog",vc="antialias",wc="application",xc="article",yc="banner",zc="blur",Fc="bolder",Gc="button",Hc="cellPadding",Ic="cellSpacing",Jc="center",Kc="change",Lc="checkbox",Mc="className",Nc="click",Oc="click marked atom to delete mark",Pc="clip",Yc="columnheader",Zc="combobox",$c="complementary",ad="contentinfo",bd="contextmenu",cd="dblclick",dd="definition",ed="dialog",fd="dir",gd="directory",hd=
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+ae="menubar",be="menuitem",ce="menuitemcheckbox",de="menuitemradio",ee="mousedown",fe="mousemove",ge="mouseout",he="mouseover",je="mouseup",ke="mousewheel",le="msie",me="multipart",ne="navigation",oe="none",pe="noreaction",qe="note",re="null",se="number",te="offsetHeight",ue="offsetWidth",ve="opera",we="option",xe="overflow",ye="popupContent",ze="position",Ae="presentation",Be="progressbar",Ce="pt",De="px",Ee="px, ",Fe="radio",Ge="radiogroup",He="reaction",Ie="region",Je="rgb(",Ke="right",Le="role",
+Me="row",Ne="rowgroup",Oe="rowheader",Pe="rtl",Qe="safari",Re="scrollbar",Se="search",Te="separator",Ue="serif",Ve="slider",We="span",Xe="spinbutton",Ye="status",Ze="subMenuIcon-selected",$e="tab",af="table",bf="tablist",cf="tabpanel",df="tbody",ef="td",pf="text",qf="textbox",rf="timer",sf="title",tf="toolbar",uf="tooltip",vf="top",wf="touchcancel",xf="touchend",yf="touchmove",zf="touchstart",Af="tr",Bf="tree",Cf="treegrid",Df="treeitem",Ef="true",Ff="value",Gf="visibility",Hf="visible",If="width",
+Jf="|",_,Kf={l:0,m:0,h:0},Lf={l:1,m:0,h:0},Mf={l:2,m:0,h:0},Nf={l:3,m:0,h:0},Of={l:4,m:0,h:0},Pf={},Qf={7:1,8:1,46:1,49:1,51:1},Rf={61:1},Sf={9:1,46:1,49:1,51:1},o={45:1,46:1,48:1},Tf={10:1},Uf={46:1,48:1,59:1},Vf={63:1},s={11:1,12:1,16:1,19:1,20:1,23:1,25:1},Wf={2:1},Xf={46:1,59:1},Yf={26:1,46:1,52:1,57:1},Zf={35:1,46:1},$f={6:1,7:1,46:1,49:1,51:1},ag={30:1,31:1,35:1,38:1,44:1,46:1},bg={46:1,52:1,57:1},u={46:1,48:1},cg={24:1,46:1,49:1,51:1},dg={30:1,35:1,44:1,46:1},eg={47:1},fg={60:1},gg={46:1},
+hg={59:1},ig={12:1},jg={46:1,52:1,53:1,57:1},kg={30:1,31:1,35:1,44:1,46:1};function v(a,b,c){var d=Pf[a];d&&!d.cZ?_=d.prototype:(!d&&(d=Pf[a]=function(){}),_=d.prototype=0>b?{}:new Pf[b],_.cM=c);for(var e=3;e<arguments.length;++e)arguments[e].prototype=_;d.cZ&&(_.cZ=d.cZ,d.cZ=null)}function w(){}v(1,-1,{});_.eQ=function(a){return this===a};_.gC=function(){return this.cZ};_.hC=function(){return lg(this)};
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+case 209:Sy(a,b,f,e,1);break;case 210:Sy(a,b,f,e,6);break;case 211:Sy(a,b,f,e,7);break;case 212:Sy(a,b,f,e,8)}else d=3,301==g?d=3:401==g?d=4:501==g?d=5:601==g?d=8:701==g?d=9:801==g?d=10:901==g?d=11:1001==g?d=12:1101==g?d=7:1201==g?d=18:1301==g&&(d=19),null!=cw[d]&&Ry(a,b,f,e,bw[d],cw[d])}
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+(Zt(),eu)),gy(g,0,0,f.n.y.c-1,f.n.y.b-1));if(0!=f.t){if(-1==f.k){n=H(G(Math.round(12*Na)));for(i=1;i<=f.t;++i)0<f.c[i]&&7>f.c[i]&&($(g,(Dy(),Hy)[f.c[i]]),l=g,h=E(f.J[i]-n/2),L=E(f.M[i]-n/2),q=ia=n,dy(l,!0),by(l,ey(l,h,L,ia,q)));for(i=1;i<=f.u;++i)h=f.H[i],l=f.I[i],0!=f.c[h]&&f.c[h]==f.c[l]&&($(g,(Dy(),Hy)[f.c[h]]),q=f.J[l]-f.J[h],t=f.M[l]-f.M[h],m=Math.sqrt(q*q+t*t),1>m&&(m=1),t/=m,m=q/m,N=3*K*t,q=3*K*m,L=x(D,o,-1,4,1),n=x(D,o,-1,4,1),L[0]=E(f.J[h]+N),n[0]=E(f.M[h]-q),L[1]=E(f.J[l]+N),n[1]=E(f.M[l]-
+q),L[2]=E(f.J[l]-N),n[2]=E(f.M[l]+q),L[3]=E(f.J[h]-N),n[3]=E(f.M[h]+q),l=g,h=L,dy(l,!0),by(l,ly(l,h,n,4,!0)))}for(i=1;i<=f.u;++i){$(g,(Zt(),eu));h=f.H[i];l=f.I[i];1==f.k&&0!=f.c[h]&&f.c[h]==f.c[l]&&$(g,(Dy(),Hy)[f.c[h]]);if(3==f.B[i]||4==f.B[i])n=h,h=l,l=n;ia=f.J[h];L=f.M[h];h=f.J[l];l=f.M[l];if(1!=f.s[i]||0!=f.B[i])q=h-ia,t=l-L,m=Math.sqrt(q*q+t*t),1>m&&(m=1),t/=m,m=q/m;switch(f.s[i]){case 2:10<=f.B[i]&&$(g,iu);N=Na*t;q=Na*m;Y(g,H(G(Math.round(ia+N))),H(G(Math.round(L-q))),H(G(Math.round(h+N))),
+H(G(Math.round(l-q))));Y(g,H(G(Math.round(ia-N))),H(G(Math.round(L+q))),H(G(Math.round(h-N))),H(G(Math.round(l+q))));$(g,eu);break;case 3:n=H(G(Math.round(ia)));L=H(G(Math.round(L)));h=H(G(Math.round(h)));l=H(G(Math.round(l)));Y(g,n,L,h,l);q=H(G(Math.round(K*t)));ia=H(G(Math.round(K*m)));Y(g,n+q,L-ia,h+q,l-ia);Y(g,n-q,L+ia,h-q,l+ia);break;case 9:case 0:for(F=0;10>F;++F)T=ia-(ia-h)/10*F,Wa=L-(L-l)/10*F,Y(g,H(G(Math.round(T))),H(G(Math.round(Wa))),H(G(Math.round(T))),H(G(Math.round(Wa))));iy(g,f.n.k);
+n=Eu(f.n.n.d).b;q=f.f[i];N=Va;null!=q&&(N=q);q=iv(f.n.n,N);h=H(G(Math.round((ia+h)/2-q/2)));l=H(G(Math.round((L+l)/2+~~(n/2)-1)));$(g,iu);hy(g,N,h,l);$(g,eu);break;default:if(1==f.B[i]||3==f.B[i])N=K*t,q=K*m,T=x(D,o,-1,3,1),F=x(D,o,-1,3,1),T[0]=H(G(Math.round(h+N))),F[0]=H(G(Math.round(l-q))),T[1]=H(G(Math.round(ia))),F[1]=H(G(Math.round(L))),T[2]=H(G(Math.round(h-N))),F[2]=H(G(Math.round(l+q))),n=g,l=T,h=F,dy(n,!0),by(n,ly(n,l,h,3,!0));else if(2==f.B[i]||4==f.B[i]){N=K*t;q=K*m;for(F=0;10>F;++F)T=
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+c*g/h,d[1]=a.M[b]+c*i/h)}
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+2<d||1!=b){C(a.n,"ERROR - spiro ring not possible here !");a.n.F=9;return}b=x(Mx,u,-1,2,1);Pz(a,a.D,h,b);e=a.J[a.D]-b[0];g=a.M[a.D]-b[1];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;for(d=1;d<=i;++d)pz(a),n=f*d+1.5707963267948966,a.J[a.t]=b[0]+h*(Math.sin(n)*e-Math.cos(n)*g),a.M[a.t]=b[1]+h*(Math.cos(n)*e+Math.sin(n)*g)}else l=a.D,V(a,0),a.D=a.t,Rz(a,i,f,h);else if(0<a.E){b=a.H[a.E];c=a.I[a.E];d=0;2==a.z[b]?a.G[b][1]!=c?d=a.G[b][1]:d=a.G[b][2]:2==a.z[c]&&(a.G[c][1]!=b?d=a.G[c][1]:d=a.G[c][2],
+m=b,b=c,c=m);0==d&&(a.G[b][1]!=c?d=a.G[b][1]:d=a.G[b][2]);e=a.J[c]-a.J[b];g=a.M[c]-a.M[b];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;n=m/2;t=h*Math.sin(0.5*(3.141592653589793-f));m=1;0<(a.M[d]-a.M[b])*e-(a.J[d]-a.J[b])*g&&(t=-t,m=0);q=a.J[b]+n*e-t*g;t=a.M[b]+t*e+n*g;for(d=1;d<=i;++d)pz(a),n=f*(d+0.5)+3.141592653589793*m,a.J[a.t]=q+h*(Math.sin(n)*e-Math.cos(n)*g),a.M[a.t]=t+h*(Math.cos(n)*e+Math.sin(n)*g),1==m?(d==i&&(a.J[a.t]=a.J[b],a.M[a.t]=a.M[b]),d==i-1&&(a.J[a.t]=a.J[c],a.M[a.t]=a.M[c])):
+(d==i-1&&(a.J[a.t]=a.J[b],a.M[a.t]=a.M[b]),d==i&&(a.J[a.t]=a.J[c],a.M[a.t]=a.M[c]))}else{b=0.5;6==i&&(b=0);for(d=1;d<=i;++d)pz(a),n=f*(d-b),a.J[a.t]=a.L+h*Math.sin(n),a.M[a.t]=a.O+h*Math.cos(n)}b=i;h=0;for(f=1;f<=b;++f)Px(a),a.s[a.u]=1,h=a.t-b+f,a.z[h]=2,a.H[a.u]=h,a.I[a.u]=h+1;a.I[a.u]=a.t-b+1;if(209==a.n.c){if(a.s[a.u-4]=2,a.s[a.u-2]=2,a.s[a.u]=2,0<a.E)if(1==a.s[a.E]){if(b=0,1<a.z[a.H[a.E]]&&(b=a.G[a.H[a.E]][1],h=a.H[a.E],b==a.I[a.E]&&(b=a.G[a.H[a.E]][2])),0==b&&1<a.z[a.I[a.E]]&&(b=a.G[a.I[a.E]][1],
+h=a.I[a.E],b==a.I[a.E]&&(b=a.G[a.I[a.E]][2])),0<b)for(f=1;f<=a.u;++f)if(a.H[f]==b&&a.I[f]==h||a.H[f]==h&&a.I[f]==b){1!=a.s[f]&&(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=3);break}}else a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=2}else if(221==a.n.c||223==a.n.c)if(0<a.E){if(1==a.s[a.E]){b=!1;for(f=1;f<=a.z[a.H[a.E]];++f)if(h=a.G[a.H[a.E]][f],1<a.s[Oz(a,a.H[a.E],h)]){b=!0;break}for(f=1;f<=a.z[a.I[a.E]];++f)if(h=a.G[a.I[a.E]][f],1<a.s[Oz(a,
+a.I[a.E],h)]){b=!0;break}b||(a.s[a.E]=2)}a.s[a.u-4]=2;a.d[a.t-2]=5}else 0<a.D?221==a.n.c?(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u-1]=1,a.s[a.u-3]=2,a.s[a.u]=2,a.d[a.t-1]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5);h=x(D,o,-1,a.t+1,1);for(f=1;f<=i;++f)b=a.t-i+f,c=a.u-i+f,a.G[b][1]=b-1,a.G[b][2]=b+1,b=a.H[c],e=a.I[c],a.K[c]=H(G(Nw((a.J[b]+a.J[e])/2))),a.N[c]=H(G(Nw((a.M[b]+a.M[e])/2)));a.G[a.t-
+i+1][1]=a.t;a.G[a.t][2]=a.t-i+1;for(f=a.t-i+1;f<=a.t;++f){h[f]=0;g=51;c=0;for(b=1;b<=a.t-i;++b)e=a.J[f]-a.J[b],d=a.M[f]-a.M[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.D||c==a.D)&&(h[f]=c)}g=a.u-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.H[f],e=a.I[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.H[c]==h[b]&&a.I[c]==h[e]||a.I[c]==h[b]&&a.H[c]==h[e])continue a;Px(a);a.s[a.u]=a.s[f];a.H[a.u]=h[b];a.G[h[b]][++a.z[h[b]]]=h[e];a.I[a.u]=h[e];a.G[h[e]][++a.z[h[e]]]=h[b];a.K[a.u]=H(G(Nw((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2)));
+a.N[a.u]=H(G(Nw((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))}else 0<h[b]?(Px(a),a.s[a.u]=a.s[f],a.H[a.u]=h[b],a.G[h[b]][++a.z[h[b]]]=e,a.I[a.u]=e,a.G[e][++a.z[e]]=h[b],a.K[a.u]=H(G(Nw((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=H(G(Nw((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))):0<h[e]&&(Px(a),a.s[a.u]=a.s[f],a.H[a.u]=h[e],a.G[h[e]][++a.z[h[e]]]=b,a.I[a.u]=b,a.G[b][++a.z[b]]=h[e],a.K[a.u]=H(G(Nw((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=H(G(Nw((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2))));d=a.t-i;for(f=a.t;f>d;--f)if(0<h[f]&&
+(Jx(a,f),3==a.d[h[f]])){m=0;for(b=1;b<=a.z[h[f]];++b){e=a.G[h[f]][b];for(c=1;c<=a.u;++c)(a.H[c]==h[f]&&a.I[c]==e||a.H[c]==e&&a.I[c]==h[f])&&(m+=a.s[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.s[c]=1}0<a.D&&Qz(a,i);-1<l&&(a.D=l)}
+function Rz(a,b,c,d){var e,f,g,i,h,l;0==a.z[a.D]?(e=0,f=1):(e=a.G[a.D][1],f=a.J[a.D]-a.J[e],e=a.M[a.D]-a.M[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.J[a.D]+d*f;l=a.M[a.D]+d*e;for(g=1;g<=b;++g)pz(a),i=c*g-1.5707963267948966,a.J[a.t]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.M[a.t]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}function Qz(a,b){var c,d;0==b&&(b=a.t);for(c=a.t;c>a.t-b;--c)d=Ix(a,c),0!=d&&(a.J[c]+=6,a.M[c]+=6)}
+function Oz(a,b,c){var d;for(d=1;d<=a.u;++d)if(a.H[d]==b&&a.I[d]==c||a.H[d]==c&&a.I[d]==b)return d;return 0}function Sz(a,b,c){var d,e,f,g;e=Kf;for(f=g=0;;){++g;for(d=1;d<=a.t;++d)if(Oo(c[d])){e=c[d];break}for(d=1;d<=a.t;++d)Oo(c[d])&&!Do(c[d],e)&&(e=c[d]);for(d=1;d<=a.t;++d)Io(c[d],e)&&(b[d]=g,c[d]=Kf,++f);if(f==a.t)break}return g==a.t}
+function Ly(a){var b,c,d;b=x(Mx,u,-1,4,1);d=c=0;a.n&&a.n.y&&0<a.n.y.c&&(c=a.n.y.c-a.n.O,d=a.n.y.b-3*a.n.O);if(0>=c||0>=d)a.w=!0;else{Nx(a,b);c=~~(c/2)-H(G(Math.round(b[0])));d=~~(d/2)-H(G(Math.round(b[1])));if(!a.n.cb)for(b=1;b<=a.t;++b)a.J[b]+=c,a.M[b]+=d;Qx(a)}}
+function Nx(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.t;++c)a.J[c]<f&&(f=a.J[c]),a.J[c]>d&&(d=a.J[c]),a.M[c]<g&&(g=a.M[c]),a.M[c]>e&&(e=a.M[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function kz(a,b,c){var d;if(1==c)++a.A[b];else if(-1==c)--a.A[b];else switch(d=Tz(a,b),-1==d&&0==c&&(0==a.A[b]?a.A[b]=1:1==a.A[b]?a.A[b]=-1:-1==a.A[b]&&(a.A[b]=0)),a.d[b]){case 2:2<d&&C(a.n,"Charge change not possible on this boron !");0==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0);break;case 3:3<d?C(a.n,"Charge change not possible on this carbon !"):4>d&&(0==a.A[b]?a.A[b]=-1:-1==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0));break;case 4:case 7:3<d?C(a.n,"Charge change not possible on multibonded N or P !"):3==
+d&&0==a.A[b]?a.A[b]=1:3==d&&1==a.A[b]?a.A[b]=0:3>d&&0==a.A[b]?a.A[b]=1:3>d&&1==a.A[b]?a.A[b]=-1:3>d&&-1==a.A[b]&&(a.A[b]=0);break;case 5:case 8:case 13:2<d?C(a.n,"Charge change not possible on multibonded O or S !"):2==d&&0==a.A[b]?a.A[b]=1:2==d&&1==a.A[b]?a.A[b]=0:2>d&&0==a.A[b]?a.A[b]=-1:2>d&&-1==a.A[b]?a.A[b]=1:2>d&&1==a.A[b]&&(a.A[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.A[b]?a.A[b]=-1:0==d&&-1==a.A[b]?a.A[b]=0:C(a.n,"Charge change not possible on the halogen !");break;case 18:C(a.n,
+"Use X button to change charge on the X atom !")}}
+function wz(a,b){var c,d,e,f,g;f=0;g=!1;for(a.b=x(D,o,-1,a.t+1,1);;){for(e=1;e<=a.t;++e)if(0==a.b[e]){a.b[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],0<a.b[c]&&0==a.b[d]?(a.b[d]=f,g=!0):0<a.b[d]&&0==a.b[c]&&(a.b[c]=f,g=!0)}}if(2>f||!b)return f;g=x(D,o,-1,f+1,1);for(c=1;c<=a.t;++c)++g[a.b[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.t;1<=c;--c)a.b[c]!=d&&Jx(a,c);Ly(a);C(a.n,"Smaller part(s) removed !");return 1}
+function Ix(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.t;++e)b!=e&&(c=a.J[b]-a.J[e],d=a.M[b]-a.M[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function Sx(a){var b,c,d;for(d=1;d<=a.u;++d){b=a.H[d];c=a.I[d];if(1==a.A[b]&&-1==a.A[c]||-1==a.A[b]&&1==a.A[c])if(1==a.s[d]||2==a.s[d]){if(3!=a.d[b]&&3!=a.d[c]&&a.n.eb)continue;if(1==a.d[b]||1==a.d[c])continue;if(2==a.d[b]||2==a.d[c])continue;if(9==a.d[b]||10==a.d[b]||11==a.d[b]||12==a.d[b]||9==a.d[c]||10==a.d[c]||11==a.d[c]||12==a.d[c])continue;a.A[b]=0;a.A[c]=0;++a.s[d];Rx(a)}1==a.A[b]&&1==a.A[c]&&(2==a.s[d]?a.s[d]=1:3==a.s[d]&&(a.s[d]=2),Rx(a));4==a.s[d]&&(a.s[d]=1)}}
+function Nz(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function kw(a){var b;Uz(a);b=a.s.length;a.K=x(D,o,-1,b,1);a.N=x(D,o,-1,b,1);Qx(a);Rx(a)}
+function pz(a){var b,c;++a.t;a.t>a.d.length-1&&(c=a.d.length+10,b=x(D,o,-1,c,1),Vw(a.d,b,a.d.length),a.d=b,b=x(D,o,-1,c,1),Vw(a.A,b,a.A.length),a.A=b,b=x(D,o,-1,c,1),Vw(a.x,b,a.x.length),a.x=b,b=x(D,o,-1,c,1),Vw(a.c,b,a.c.length),a.c=b,b=x(no,u,1,c,0),Vw(a.e,b,a.e.length),a.e=b,b=x(no,u,1,c,0),Vw(a.o,b,a.o.length),a.o=b,b=x(Mx,u,-1,c,1),Vw(a.J,b,a.J.length),a.J=b,b=x(Mx,u,-1,c,1),Vw(a.M,b,a.M.length),a.M=b,b=bo([c,7]),Vw(a.G,b,a.G.length),a.G=b,c=x(D,o,-1,c,1),Vw(a.z,c,a.z.length),a.z=c);a.d[a.t]=
+3;a.A[a.t]=0;a.c[a.t]=0;a.e[a.t]=null;a.x[a.t]=0}function Px(a){var b,c;++a.u;a.u>a.s.length-1&&(b=a.s.length+10,c=x(D,o,-1,b,1),Vw(a.H,c,a.H.length),a.H=c,c=x(D,o,-1,b,1),Vw(a.I,c,a.I.length),a.I=c,c=x(D,o,-1,b,1),Vw(a.s,c,a.s.length),a.s=c,c=x(D,o,-1,b,1),Vw(a.B,c,a.B.length),a.B=c,c=x(D,o,-1,b,1),Vw(a.K,c,a.K.length),a.K=c,c=x(D,o,-1,b,1),Vw(a.N,c,a.N.length),a.N=c,b=x(no,u,1,b,0),Vw(a.f,b,a.f.length),a.f=b);a.s[a.u]=1;a.B[a.u]=0;a.f[a.u]=null}
+function iz(a,b){var c,d,e,f,g,i,h;if(0==a.t)return j;i=b;79<b.length&&(i=b.substr(0,76)+"...");i+=(Dy(),aa);i+="JME 2013.01 "+new rx+"\n \n";i+=hz(a.t,3)+hz(a.u,3);i+="  0  0  0  0  0  0  0  0999 V2000\n";g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.t;++e)a.M[e]>g&&(g=a.M[e]),a.J[e]<c&&(c=a.J[e]);for(e=1;e<=a.t;++e){i+=rz(0.055999999999999994*(a.J[e]-c),10,4)+rz(0.055999999999999994*(g-a.M[e]),10,4)+rz(0,10,4);h=Wy(a,e);1==h.length?h+="  ":2==h.length?h+=k:3<h.length&&(h="Q  ");
+i+=k+h;d=0;0<a.A[e]&&4>a.A[e]?d=4-a.A[e]:0>a.A[e]&&-4<a.A[e]&&(d=4-a.A[e]);h=" 0"+hz(d,3)+"  0  0  0  0  0  0  0";f=-1;for(d=1;d<=a.y;++d)if(a.q[d][0]==e){f=a.q[d][1];break}-1<f?h+=hz(f,3):h+="  0";i+=h+"  0  0\n"}for(e=1;e<=a.u;++e)g=a.s[e],1==a.s[e]?g=1:Vz(a,e)&&(g=2),c=hz(a.H[e],3)+hz(a.I[e],3),d=0,1==a.s[e]&&1==a.B[e]?d=1:1==a.s[e]&&2==a.B[e]&&(d=6),1==a.s[e]&&3==a.B[e]&&(d=1,c=hz(a.I[e],3)+hz(a.H[e],3)),1==a.s[e]&&4==a.B[e]&&(d=6,c=hz(a.I[e],3)+hz(a.H[e],3)),i+=c+hz(g,3)+hz(d,3)+"  0  0  0\n";
+for(e=1;e<=a.t;++e)0!=a.A[e]&&(i+="M  CHG  1"+hz(e,4)+hz(a.A[e],4)+aa);return i+"M  END\n"}
+function sz(a){var b,c,d,e,f,g,i,h,l,m,n,q,t,L,F,K,T,Na,N,ia,Wa,Ad,zn,An,Qc,Bn,Gg,ff,Kb,gf;n=x(D,o,-1,a.t+10,1);q=x(D,o,-1,a.t+10,1);l=x(D,o,-1,a.t+1,1);m=x(D,o,-1,7,1);Qc=x(D,o,-1,a.t+1,1);L=x(Wz,u,-1,a.t+1,2);F=x(Wz,u,-1,a.u+1,2);Ad=0;if(0==a.t)return j;wz(a,!0);An=!0;for(h=1;h<=a.u;++h)if(9==a.s[h]){An=!1;break}if(a.n.r&&An){Xz(a);Sx(a);Yz(a,F);Zz(a,L,F);var wb,Rc,En,xb,tj,uj,Hg,Ba,Bz,Ac,r,fa,vj,wj,Fn,Bd,ta,xj,yj,yb,zj;wb=x(D,o,-1,a.t+1,1);Rc=x(D,o,-1,a.t+1,1);Ba=x($z,u,-1,a.t+1,3);var Gn=a.t,
+Aj,hf,Hn,ie,Ig,Sc,Cd;Ig=x($z,u,-1,Gn+2,3);Sc=x(D,o,-1,100,1);Cd=5;ie=0;Sc[0]=3;Ig[1]=Mf;Ig[2]=Nf;Hn=2;if(!(3>Gn))for(;Cd<Sc[ie]*Sc[ie];){hf=0;for(Aj=!0;Aj&&hf<=ie&&Cd>=Sc[hf]*Sc[hf];)0==Cd%Sc[hf]?Aj=!1:++hf;if(Aj){Ig[++Hn]=Lo(Cd);if(Hn>=Gn)break;ie<Sc.length-1&&(++ie,Sc[ie]=Cd)}Cd+=2}for(r=1;r<=a.t;++r){for(fa=yj=1;fa<=a.u;++fa)(a.H[fa]==r||a.I[fa]==r)&&(yj*=a.i[fa]);xj=a.d[r];18==xj&&(zj=a.o[r],uj=zj.charCodeAt(0)-65+1,Hg=0,1<zj.length&&(Hg=zj.charCodeAt(1)-97),0>uj&&(uj=0),0>Hg&&(Hg=0),xj=28*uj+
+Hg);Bd=0;-2>a.A[r]?Bd=1:-2==a.A[r]?Bd=2:-1==a.A[r]?Bd=3:1==a.A[r]?Bd=4:2==a.A[r]?Bd=5:2<a.A[r]&&(Bd=6);yb=1;Ba[r]=Lo(yj);yb*=126;Ba[r]=Go(Ba[r],Lo(a.x[r]*yb));yb*=7;Ba[r]=Go(Ba[r],Lo(Bd*yb));yb*=7;Ba[r]=Go(Ba[r],Lo(xj*yb));yb*=783;Ba[r]=Go(Ba[r],Lo(a.z[r]*yb))}for(tj=0;!Sz(a,wb,Ba);){Fn=!1;for(r=1;r<=a.t;++r)wb[r]!=Rc[r]&&(Rc[r]=wb[r],Fn=!0);if(Fn){for(r=1;r<=a.t;++r){Ba[r]=Lf;for(fa=1;fa<=a.z[r];++fa)Ba[r]=Po(Ba[r],Ig[wb[a.G[r][fa]]])}tj=0}else if(0<tj){for(r=1;r<=a.t;++r)Ba[r]=Lf;r=1;a:for(;r<=
+a.t-1;++r)for(fa=r+1;fa<=a.t;++fa)if(wb[r]==wb[fa]){Ba[r]=Mf;break a}}else{for(r=1;r<=a.t;++r){Ba[r]=Lf;for(fa=1;fa<=a.z[r];++fa)En=a.G[r][fa],Ba[r]=Po(Ba[r],Lo(a.d[En]*a.i[Oz(a,r,En)]))}tj=1}Sz(a,wb,Ba);for(r=1;r<=a.t;++r)Ba[r]=Lo(Rc[r]*a.t+wb[r])}for(r=1;r<=a.t;++r)Rc[r]=wb[r];for(ta=1;ta<=a.t;++ta)for(r=1;r<=a.t;++r)if(Rc[r]==ta){a.d[0]=a.d[r];a.A[0]=a.A[r];a.J[0]=a.J[r];a.M[0]=a.M[r];a.z[0]=a.z[r];a.d[r]=a.d[ta];a.A[r]=a.A[ta];a.J[r]=a.J[ta];a.M[r]=a.M[ta];a.z[r]=a.z[ta];a.d[ta]=a.d[0];a.A[ta]=
+a.A[0];a.J[ta]=a.J[0];a.M[ta]=a.M[0];a.z[ta]=a.z[0];Rc[r]=Rc[ta];Rc[ta]=ta;a.o[0]=a.o[r];a.o[r]=a.o[ta];a.o[ta]=a.o[0];a.c[0]=a.c[r];a.c[r]=a.c[ta];a.c[ta]=a.c[0];a.e[0]=a.e[r];a.e[r]=a.e[ta];a.e[ta]=a.e[0];a.x[0]=a.x[r];a.x[r]=a.x[ta];a.x[ta]=a.x[0];break}for(r=1;r<=a.y;++r)a.q[r][0]=wb[a.q[r][0]];for(r=1;r<=a.u;++r)a.H[r]=wb[a.H[r]],a.I[r]=wb[a.I[r]],a.H[r]>a.I[r]&&(Ac=a.H[r],a.H[r]=a.I[r],a.I[r]=Ac,1==a.B[r]?a.B[r]=3:2==a.B[r]?a.B[r]=4:3==a.B[r]?a.B[r]=1:4==a.B[r]&&(a.B[r]=2));for(r=1;r<a.u;++r){wj=
+vj=a.t;xb=0;for(fa=r;fa<=a.u;++fa)a.H[fa]<vj?(vj=a.H[fa],wj=a.I[fa],xb=fa):a.H[fa]==vj&&a.I[fa]<wj&&(wj=a.I[fa],xb=fa);Ac=a.H[r];a.H[r]=a.H[xb];a.H[xb]=Ac;Ac=a.I[r];a.I[r]=a.I[xb];a.I[xb]=Ac;Ac=a.s[r];a.s[r]=a.s[xb];a.s[xb]=Ac;Ac=a.B[r];a.B[r]=a.B[xb];a.B[xb]=Ac;Bz=a.f[r];a.f[r]=a.f[xb];a.f[xb]=Bz}kw(a);Rx(a);Yz(a,F);Zz(a,L,F)}else{Yz(a,F);a.i=x(D,o,-1,a.u+1,1);for(t=1;t<=a.u;++t)a.i[t]=a.s[t]}c=1;a.b=x(D,o,-1,a.t+1,1);gf=1;a.b[1]=1;for(ia=0;;){Wa=0;for(t=1;t<=a.z[c];++t)if(g=a.G[c][t],0<a.b[g]){if(!(a.b[g]>
+a.b[c])&&g!=Qc[c]){zn=!0;for(T=1;T<=Ad;++T)if(n[T]==c&&q[T]==g||n[T]==g&&q[T]==c){zn=!1;break}zn&&(++Ad,n[Ad]=c,q[Ad]=g)}}else m[++Wa]=g;if(0==Wa){if(gf==a.t)break;c=l[ia--]}else if(1==Wa)Qc[m[1]]=c,c=m[1],a.b[c]=++gf;else{l[++ia]=c;e=0;for(t=1;t<=Wa;++t)if(h=Oz(a,m[t],c),!F[h]){e=m[t];break}if(0==e)for(t=1;t<=Wa;++t)if(h=Oz(a,m[t],c),2==a.i[h]||3==a.i[h]){e=m[t];break}0==e&&(e=m[1]);Qc[e]=c;c=e;a.b[e]=++gf}}Qc=x(D,o,-1,a.t+1,1);b=x(D,o,-1,a.t+1,1);Na=x(Wz,u,-1,a.t+1,2);Bn=x(Wz,u,-1,a.t+1,2);f=gf=
+ia=0;for(t=1;t<=a.t;++t)if(1==a.b[t]){c=t;break}a:for(;;){0<f&&(Qc[c]=f);b[++gf]=c;for(a.b[c]=0;;){Wa=e=0;N=a.t+1;t=1;b:for(;t<=a.z[c];++t){g=a.G[c][t];for(K=1;K<=Ad;++K)if(n[K]==g&&q[K]==c||n[K]==c&&q[K]==g)continue b;0<a.b[g]&&(++Wa,a.b[g]<N&&(e=g,N=a.b[g]))}if(0==e){if(0==ia)break a;Bn[c]=!0;c=l[ia--]}else break}f=c;c=e;1<Wa&&(l[++ia]=f,Na[e]=!0)}Gg=x(D,o,-1,a.u+1,1);ff=x(D,o,-1,a.t+1,1);if(a.n.rb){var Dz=Qc,IA=Ad,In,Ez,jf,Tc,Jn,Kn,ra,Jg,Ln;jf=x(D,o,-1,a.t+1,1);for(ra=1;ra<=a.t;++ra)jf[b[ra]]=
+ra;Jn=x(Wz,u,-1,a.u+1,2);for(ra=1;ra<=a.t;++ra)In=b[ra],Ez=Dz[In],Tc=Oz(a,In,Ez),0!=Tc&&(aA(a,Tc,jf,Gg,F),Jn[Tc]=!0);for(ra=1;ra<=a.u;++ra)Jn[ra]||aA(a,ra,jf,Gg,F);ra=1;a:for(;ra<=a.t;++ra)if(!(2>a.z[ra]||4<a.z[ra])){Kn=Ln=0;for(Jg=1;Jg<=a.z[ra];++Jg){Tc=Oz(a,ra,a.G[ra][Jg]);if(5==a.i[Tc])continue a;1==a.s[Tc]&&0!=bA(a,Tc,ra)&&++Ln;2==a.s[Tc]&&(Kn=a.G[ra][Jg])}if(0!=Ln)if(0<Kn){var X=a,Gz=ra,Dd=jf,Lb=ff,hb=void 0,Kg=void 0,zb=void 0,Uc=void 0,Ab=void 0,Bj=void 0,Cj=void 0,Dj=void 0,Bc=void 0,Mb=void 0,
+Nb=void 0,Mn=void 0,Lg=void 0,Cc=void 0,Mg=void 0,Vc=void 0,Ng=void 0,Nn=void 0,Og=void 0,Wc=void 0,Hz=void 0,Ed=void 0,Iz=void 0,On=void 0,Pg=void 0,Fd=void 0,Nb=1,Kg=Gz,hb=x(D,o,-1,X.t+1,1);for(hb[1]=Gz;;){Mn=!1;for(Mb=1;Mb<=X.z[Kg];++Mb)if(zb=X.G[Kg][Mb],!(zb==hb[1]||zb==hb[Nb-1]))if(Uc=Oz(X,Kg,zb),2==X.s[Uc]&&5!=X.i[Uc]){Kg=hb[++Nb]=zb;Mn=!0;break}if(!Mn)break}if(!(0==Nb%2||2>X.z[hb[Nb]]||3<X.z[hb[Nb]])){Fd=hb[1];Ab=hb[~~((Nb+1)/2)];Bc=hb[Nb];Ed=Wc=Vc=Cc=0;On=Nn=!1;for(Mb=1;Mb<=X.z[Fd];++Mb)zb=
+X.G[Fd][Mb],Uc=Oz(X,Fd,zb),1!=X.s[Uc]||5==X.i[Uc]||(0==Cc?Cc=zb:Vc=zb);0<Dd[Vc]&&Dd[Cc]>Dd[Vc]&&(Bj=Cc,Cc=Vc,Vc=Bj);Lg=Cc;0==Cc&&(Lg=Vc,Nn=!0);for(Mb=1;Mb<=X.z[Bc];++Mb)zb=X.G[Bc][Mb],Uc=Oz(X,Bc,zb),1!=X.s[Uc]||5==X.i[Uc]||(0==Wc?Wc=zb:Ed=zb);0<Dd[Ed]&&Dd[Wc]>Dd[Ed]&&(Bj=Wc,Wc=Ed,Ed=Bj);Og=Wc;0==Wc&&(Og=Ed,On=!0);Mg=bA(X,Oz(X,Fd,Cc),Fd);Ng=bA(X,Oz(X,Fd,Vc),Fd);Hz=bA(X,Oz(X,Bc,Wc),Bc);Iz=bA(X,Oz(X,Bc,Ed),Bc);1<(0>Mg+Ng?-(Mg+Ng):Mg+Ng)||0!=Hz||0!=Iz?C(X.n,"Bad stereoinfo on allene !"):(Cj=X.J[hb[Nb-
+1]]-X.J[Bc],Dj=X.M[hb[Nb-1]]-X.M[Bc],Pg=Math.sqrt(Cj*Cj+Dj*Dj),0.001>Pg&&(Pg=0.001),0<(X.M[Og]-X.M[hb[Nb-1]])*(Cj/Pg)-(X.J[Og]-X.J[hb[Nb-1]])*(Dj/Pg)?Lb[Ab]=1:Lb[Ab]=-1,Nn&&(Lb[Ab]*=-1),On&&(Lb[Ab]*=-1),Lg==Cc&&0>Mg&&(Lb[Ab]*=-1),Lg==Vc&&0>Ng&&(Lb[Ab]*=-1),Dd[Lg]>Dd[Og]&&(Lb[Ab]*=-1))}}else b:{var ib=a,jb=ra,JA=Dz,KA=jf,LA=n,MA=q,NA=IA,Ej=ff,Fj=void 0,Ob=void 0,Pn=void 0,kf=void 0,ja=void 0,lf=void 0,fc=void 0,Qg=void 0,Dc=void 0,Xa=void 0,W=void 0,Pa=void 0,Xc=void 0,Gj=void 0,Pb=void 0,Z=void 0,
+Hj=void 0,Pa=x(D,o,-1,4,1),Gj=x(D,o,-1,4,1),mf=ib,Ec=jb,Jz=KA,Qn=JA,Kz=LA,Lz=MA,OA=NA,Qa=Pa,Rg=void 0,Qb=void 0,Ij=void 0,Jj=void 0,Rn=void 0,Sg=void 0,Sg=-1;0<Qn[Ec]&&(Qa[++Sg]=Qn[Ec]);for(Qb=1;Qb<=OA;++Qb)Kz[Qb]==Ec&&(Qa[++Sg]=Lz[Qb]),Lz[Qb]==Ec&&(Qa[++Sg]=Kz[Qb]);for(Qb=Sg+1;Qb<mf.z[Ec];++Qb){Rn=mf.t+1;Ij=1;c:for(;Ij<=mf.z[Ec];++Ij){Rg=mf.G[Ec][Ij];for(Jj=0;Jj<Qb;++Jj)if(Rg==Qa[Jj])continue c;Jz[Rg]<Rn&&(Rn=Jz[Rg],Qa[Qb]=Rg)}}0==Qn[Ec]&&0<mf.x[Ec]?(Qa[3]=Qa[2],Qa[2]=Qa[1],Qa[1]=Qa[0],Qa[0]=-1):
+0<mf.x[Ec]&&(Qa[3]=Qa[2],Qa[2]=Qa[1],Qa[1]=-1);for(ja=Qg=lf=kf=Hj=fc=Xa=0;4>ja;++ja)0>=Pa[ja]||(Fj=Oz(ib,jb,Pa[ja]),Gj[ja]=bA(ib,Fj,jb),0<Gj[ja]?(++Xa,Hj=Pa[ja],lf=Pa[ja]):0>Gj[ja]?(++fc,kf=Pa[ja],lf=Pa[ja]):Qg=Pa[ja]);Dc=Xa+fc;Z=x(D,o,-1,4,1);Pb=0;if(3==ib.z[jb]){if(1==Xa&&1==fc||3==Dc&&0<Xa&&0<fc){C(ib.n,"Error in C3H stereospecification !");break b}Xc=Pa[0];1==Dc?Xc=lf:2==Dc&&(Xc=Qg);W=Mz(ib,jb,Xc,Pa);Z[0]=lf;Z[1]=-1;Z[2]=W[2];Z[3]=W[1];0<Xa?Pb=1:Pb=-1}else if(4==ib.z[jb])if(1==Dc)W=Mz(ib,jb,lf,
+Pa),Z[0]=W[0],Z[1]=W[3],Z[2]=W[2],Z[3]=W[1],0<Xa?Pb=1:Pb=-1;else{Xc=Pa[0];1<Qg&&(Xc=Qg);1==Xa?Xc=Hj:1==fc&&(Xc=kf);W=Mz(ib,jb,Xc,Pa);Ob=x(D,o,-1,4,1);for(ja=0;4>ja;++ja)Fj=Oz(ib,jb,W[ja]),Ob[ja]=bA(ib,Fj,jb);if(4==Dc){if(0==Xa||0==fc){C(ib.n,"Error in C4 stereospecification !");break b}if(1==Xa||1==fc)Z[0]=W[0],Z[1]=W[3],Z[2]=W[2],Z[3]=W[1],Pb=Ob[0];else{for(ja=0;4>ja;++ja)-1==Ob[ja]&&(Ob[ja]=0);Dc=2}}else if(3==Dc)if(3==Xa||3==fc)Z[0]=W[0],Z[1]=W[3],Z[2]=W[2],Z[3]=W[1],0<Xa?Pb=-1:Pb=1;else{1==Xa?
+Xa=Pn=1:fc=Pn=-1;for(ja=0;4>ja;++ja)Ob[ja]==Pn&&(Ob[ja]=0);Dc=2}if(2==Dc)if(1==Xa&&1==fc)W[1]==kf?(W[1]=W[2],W[2]=W[3]):W[2]==kf&&(W[2]=W[3]),Z[0]=Hj,Z[1]=kf,Z[2]=W[2],Z[3]=W[1],Pb=1;else{if(Ob[0]==Ob[1]||Ob[1]==Ob[2]){C(ib.n,"Error in C4 stereospecification ! 2/0r");break b}0!=Ob[0]?(Z[0]=W[0],Z[1]=W[2],Z[2]=W[1],Z[3]=W[3]):(Z[0]=W[1],Z[1]=W[3],Z[2]=W[2],Z[3]=W[0]);1<Xa?Pb=1:Pb=-1}}var Q=Z,Tg=Pa,Fa=void 0;Tg[0]==Q[1]?(Fa=Q[0],Q[0]=Q[1],Q[1]=Fa,Fa=Q[2],Q[2]=Q[3],Q[3]=Fa):Tg[0]==Q[2]?(Fa=Q[2],Q[2]=
+Q[0],Q[0]=Fa,Fa=Q[1],Q[1]=Q[3],Q[3]=Fa):Tg[0]==Q[3]&&(Fa=Q[3],Q[3]=Q[0],Q[0]=Fa,Fa=Q[1],Q[1]=Q[2],Q[2]=Fa);Tg[1]==Q[2]?(Fa=Q[1],Q[1]=Q[2],Q[2]=Fa,Fa=Q[2],Q[2]=Q[3],Q[3]=Fa):Tg[1]==Q[3]&&(Fa=Q[1],Q[1]=Q[3],Q[3]=Fa,Fa=Q[2],Q[2]=Q[3],Q[3]=Fa);Z[2]==Pa[2]?Ej[jb]=1:Z[2]==Pa[3]?Ej[jb]=-1:C(ib.n,"Error in stereoprocessing ! - t30");Ej[jb]*=Pb}}}Kb=new Uw;i=x(D,o,-1,a.t+1,1);for(t=1;t<=a.t;++t)i[b[t]]=t;for(t=1;t<=a.t;++t){c=b[t];Na[c]&&(Kb.b.b+=sa);0<Qc[t]&&cA(a,c,Qc[c],Kb,Gg);var nf=L[c],Ra=void 0,Ug=void 0,
+of=void 0,M=void 0,M=nc,Ra=!1;0!=a.A[c]&&(Ra=!0);0!=ff[c]&&(Ra=!0);of=-1;for(Ug=1;Ug<=a.y;++Ug)if(a.q[Ug][0]==c){of=a.q[Ug][1];break}-1<of&&(Ra=!0);a.n.qb&&0<a.c[c]&&(Ra=!0,of=1);switch(a.d[c]){case 2:M=db;break;case 3:nf?M="c":M=kb;break;case 4:nf?(M="n",0<a.x[c]&&(Ra=!0)):M=Hb;break;case 5:nf?M="o":M=Tb;break;case 7:nf?(M="p",0<a.x[c]&&(Ra=!0)):M=Vb;break;case 8:nf?M="s":M=dc;break;case 13:nf?M="se":M=gc;Ra=!0;break;case 6:M=hc;Ra=!0;break;case 9:M=ub;break;case 10:M=ob;break;case 11:M=gb;break;
+case 12:M=Eb;break;case 1:M=Cb;Ra=!0;break;case 19:M=Wb;Ra=!0;break;case 20:M=Xb;Ra=!0;break;case 21:M=Yb;Ra=!0;break;case 22:M=Zb;Ra=!0;break;case 18:Ra=!0,M=a.o[c],(B(M,va)||B(M,rc)||B(M,$a))&&(Ra=!1)}Ra&&(M=oc+M,1==ff[c]?M+=Ya:-1==ff[c]&&(M+=Za),1==a.x[c]?M+=Cb:1<a.x[c]&&(M+=Cb+a.x[c]),0!=a.A[c]&&(0<a.A[c]?M+=wa:M+=za,1<(0>a.A[c]?-a.A[c]:a.A[c])&&(M+=0>a.A[c]?-a.A[c]:a.A[c])),-1<of&&(M+=Ma+of),M+=qc);bk(Kb.b,M);for(K=1;K<=Ad;++K)if(n[K]==c||q[K]==c)d=q[K],d==c&&(d=n[K]),i[c]<i[d]&&cA(a,n[K],q[K],
+Kb,Gg),9<K&&(Kb.b.b+="%"),ak(Kb,j+(new R(K)).b);Bn[c]&&(Kb.b.b+=ua)}return Kb.b.b}
+function Jx(a,b){var c,d,e,f;f=0;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],c!=b&&d!=b&&(++f,a.H[f]=c,c>b&&--a.H[f],a.I[f]=d,d>b&&--a.I[f],a.s[f]=a.s[e],a.B[f]=a.B[e],a.K[f]=a.K[e],a.N[f]=a.N[e],a.f[f]=a.f[e]);a.u=f;for(e=b;e<a.t;++e){a.d[e]=a.d[e+1];a.A[e]=a.A[e+1];a.J[e]=a.J[e+1];a.M[e]=a.M[e+1];a.x[e]=a.x[e+1];a.c[e]=a.c[e+1];a.e[e]=a.e[e+1];a.z[e]=a.z[e+1];a.o[e]=a.o[e+1];for(f=1;f<=a.z[e];++f)a.G[e][f]=a.G[e+1][f]}--a.t;if(0==a.t)My(a.n);else{for(e=1;e<=a.t;++e){d=0;for(f=1;f<=a.z[e];++f)c=a.G[e][f],
+c==b?++a.x[e]:(c>b&&--c,a.G[e][++d]=c);a.z[e]=d}e=1;a:for(;e<=a.y;++e)if(a.q[e][0]==b){for(f=e;f<a.y;++f)a.q[f][0]=a.q[f+1][0],a.q[f][1]=a.q[f+1][1];--a.y;break a}for(e=1;e<=a.y;++e)a.q[e][0]>b&&--a.q[e][0]}}
+function Kx(a,b){var c,d,e,f;c=a.H[b];d=a.I[b];for(e=b;e<a.u;++e)a.H[e]=a.H[e+1],a.I[e]=a.I[e+1],a.s[e]=a.s[e+1],a.B[e]=a.B[e+1],a.K[e]=a.K[e+1],a.N[e]=a.N[e+1],a.f[e]=a.f[e+1];--a.u;f=0;for(e=1;e<=a.z[c];++e)a.G[c][e]!=d&&(a.G[c][++f]=a.G[c][e]);a.z[c]=f;f=0;for(e=1;e<=a.z[d];++e)a.G[d][e]!=c&&(a.G[d][++f]=a.G[d][e]);a.z[d]=f;c<d&&(f=c,c=d,d=f);0==a.z[c]&&Jx(a,c);0==a.z[d]&&Jx(a,d)}
+function Xz(a){var b,c,d;if(!a.n.E){c=a.t;a:for(;1<=c;--c)if(d=a.G[c][1],1==a.d[c]&&1==a.z[c]&&0==a.A[c]&&1!=a.d[d]&&18>a.d[d]){for(b=1;b<=a.y;++b)if(a.q[b][0]==c)continue a;b=Oz(a,c,d);1==a.s[b]&&(0==a.B[b]||!a.n.rb)&&Jx(a,c)}}}function Uz(a){var b;b=a.d.length;a.G=bo([b,7]);a.z=x(D,o,-1,b,1);for(b=1;b<=a.t;++b)a.z[b]=0;for(b=1;b<=a.u;++b)6>a.z[a.H[b]]&&(a.G[a.H[b]][++a.z[a.H[b]]]=a.I[b]),6>a.z[a.I[b]]&&(a.G[a.I[b]][++a.z[a.I[b]]]=a.H[b])}
+function Zz(a,b,c){var d,e,f,g,i,h,l,m,n;a.i=x(D,o,-1,a.u+1,1);n=x(Wz,u,-1,a.t+1,2);for(h=1;h<=a.t;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.z[h];++d)if(c[Oz(a,h,a.G[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.z[h]+a.x[h]))switch(a.d[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.u;++i)1==a.s[i]?a.i[i]=1:Vz(a,i)?a.i[i]=2:3==a.s[i]&&(a.i[i]=3);i=1;a:for(;i<=a.u;++i)if(c[i]&&(f=a.H[i],g=a.I[i],n[f]&&n[g])){d=x(Wz,u,-1,a.t+1,2);for(h=1;h<=a.z[f];++h)e=a.G[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.t;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.z[h];++l){e=a.G[h][l];if(e==g){b[f]=!0;b[g]=!0;a.i[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function Qx(a){var b,c,d;for(d=1;d<=a.u;++d)b=a.H[d],c=a.I[d],a.K[d]=H(G(Nw((a.J[b]+a.J[c])/2))),a.N[d]=H(G(Nw((a.M[b]+a.M[c])/2)))}function Yz(a,b){var c;for(c=1;c<=a.u;++c)Xy(a,a.H[c],a.I[c])?b[c]=!1:b[c]=!0}function Wy(a,b){var c;c=(Dy(),cw)[a.d[b]];18==a.d[b]&&(c=a.o[b]);return c}
+function Vz(a,b){return 2==a.s[b]?!0:!1}function Xy(a,b,c){var d,e,f,g;g=1;a.b=x(D,o,-1,a.t+1,1);for(d=1;d<=a.t;++d)a.b[d]=0;for(d=a.b[b]=1;d<=a.z[b];++d)a.G[b][d]!=c&&(a.b[a.G[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.t;++d){f=!1;if(0<a.b[d]&&d!=b)for(e=1;e<=a.z[d];++e)0==a.b[a.G[d][e]]&&(a.b[a.G[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.b[c]}
+function nz(a){var b,c;a.n.H=!0;if(a.n.qb)a.k=-1,0==a.c[a.D]?a.c[a.D]=4:a.c[a.D]=0;else{for(b=1;b<=a.y;++b)if(a.D==a.q[b][0]){if(-1==a.n.u){for(;b<a.y;++b)a.q[b][0]=a.q[b+1][0],a.q[b][1]=a.q[b+1][1];--a.y}else c=a.n.u,a.n.q&&(a.n.V||++a.r,c=a.r),a.q[b][1]=c;return}b=a.q.length;++a.y>b-1&&(b=bo([b+5,2]),Vw(a.q,b,a.q.length),a.q=b);a.q[a.y][0]=a.D;c=a.n.u;a.n.q&&(a.n.V||++a.r,c=a.r);a.q[a.y][1]=c}}function aw(a){var b;a.y=0;a.r=0;sz(a);for(b=1;b<=a.t;++b)a.D=b,nz(a);a.D=0}
+function ez(a){var b,c;b=x(Mx,u,-1,4,1);Nx(a,b);c=a.n.y.c;a.n.v||(c-=a.n.O);return b[0]<~~(c/2)-24?1:b[0]>~~(c/2)+24?3:2}function Ny(a){a.n.ob=new Jy(a);kw(a.n.ob);a.n.kb=a.n.e}function qz(a){var b,c,d,e,f;e=f=0;for(d=1;d<=a.u;++d)b=a.J[a.H[d]]-a.J[a.I[d]],c=a.M[a.H[d]]-a.M[a.I[d]],f+=Math.sqrt(b*b+c*c);0<a.u?(f/=a.u,e=25/f):1<a.t&&(e=75/Math.sqrt((a.J[1]-a.J[2])*(a.J[1]-a.J[2])+(a.M[1]-a.M[2])*(a.M[1]-a.M[2])));for(d=1;d<=a.t;++d)a.J[d]*=e,a.M[d]*=e}
+function gz(a,b,c){var d,e,f,g,i;if(0==c.indexOf(oc)&&Pw(c,qc))c=c.substr(1,c.length-1-1),a.d[b]=18,a.o[b]=c,a.x[b]=0;else{f=!1;-1<c.indexOf(xa)&&(f=!0);-1<c.indexOf(";")&&(f=!0);-1<c.indexOf(pa)&&(f=!0);-1<c.indexOf("!")&&(f=!0);d=c.indexOf(Ma);e=c.indexOf(Cb);g=jh(c.indexOf(wa),c.indexOf(za));if(-1<d){i=Lk(c,d+1);try{a.n.u=$v(i,10)}catch(h){if(h=zk(h),A(h,52))a.n.u=0;else throw h;}a.D=b;nz(a);c=c.substr(0,d-0);a.D=0}if(f)a.o[b]=c,a.d[b]=18,a.x[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
+g-0));a.d[b]=B(d,kb)?3:B(d,db)?2:B(d,Hb)?4:B(d,Tb)?5:B(d,Vb)?7:B(d,dc)?8:B(d,ub)?9:B(d,ob)?10:B(d,gb)?11:B(d,Eb)?12:B(d,Cb)?1:B(d,gc)?13:B(d,hc)?6:B(d,Wb)?19:B(d,Xb)?20:B(d,Yb)?21:B(d,Zb)?22:18;18==a.d[b]&&(a.o[b]=d);c+=k;d=0;0<e&&(d=1,e=Ow(c,++e),48<=e&&57>=e&&(d=e-48));18==a.d[b]&&(a.x[b]=d);d=0;if(0<g&&(e=Ow(c,g++),43==e?d=1:45==e&&(d=-1),0!=d&&(e=Ow(c,g++),!(48<=e&&57>=e)))){for(;43==e;)++d,e=Ow(c,g++);for(;45==e;)--d,e=Ow(c,g++)}a.A[b]=d}}}
+function ew(a,b,c){var d,e;a.k=1;c&&(a.k=-1);b=new Qv(b);try{for(;b.k=Jv(b,b.b),b.k<b.j;)d=Jw($v(Mv(b),10)).b,c=e=Jw($v(Mv(b),10)).b,(0>c||6<c)&&(c=0),a.c[d]=c}catch(f){if(f=zk(f),A(f,52))Zj(f);else throw f;}}function cA(a,b,c,d,e){b=Oz(a,b,c);5!=a.i[b]&&Vz(a,b)?d.b.b+=Ta:3==a.s[b]?d.b.b+=pa:9==a.s[b]?(e=Va,a=a.f[b],null!=a&&(e=a),bk(d.b,e)):1==e[b]?d.b.b+="/":-1==e[b]&&(d.b.b+=pc)}
+function oz(a,b){var c,d;if(1==a.s[b])if(c=a.H[b],d=a.I[b],2>a.z[c]&&2>a.z[d])a.B[b]=0,C(a.n,"Stereomarking meaningless on this bond !");else switch(a.B[b]){case 0:a.z[d]<=a.z[c]?a.B[b]=1:a.B[b]=3;break;case 1:a.B[b]=2;break;case 2:2<a.z[d]?a.B[b]=3:a.B[b]=1;break;case 3:a.B[b]=4;break;case 4:2<a.z[c]?a.B[b]=1:a.B[b]=3}else 2==a.s[b]?10==a.B[b]?a.B[b]=0:a.B[b]=10:C(a.n,"Stereomarking allowed only on single and double bonds!")}
+function aA(a,b,c,d,e){var f,g,i,h,l,m,n,q,t;if(!(2!=a.s[b]||5==a.i[b])&&(10==a.B[b]||a.n.p&&!e[b]))if(e=a.H[b],f=a.I[b],!(2>a.z[e]||2>a.z[f]||3<a.z[e]||3<a.z[f])){c[e]>c[f]&&(g=e,e=f,f=g);n=m=b=0;q=!1;for(l=1;l<=a.z[e];++l)g=a.G[e][l],g!=f&&(0==m?m=g:n=g);0<n&&c[m]>c[n]&&(g=m,m=n,n=g);h=Oz(a,e,m);0!=d[h]?b=m:1==a.s[h]&&5!=a.i[h]&&(b=m);0==b&&(h=Oz(a,e,n),0!=d[h]?b=n:1==a.s[h]&&5!=a.i[h]&&(b=n));c[b]>c[e]&&(q=!0);i=n=m=0;for(l=1;l<=a.z[f];++l)g=a.G[f][l],g!=e&&(0==n?n=g:i=g);0<i&&c[n]<c[i]&&(g=n,
+n=i,i=g);h=Oz(a,f,n);1==a.s[h]&&5!=a.i[h]&&0==d[h]&&(m=n);0==m&&(h=Oz(a,f,i),1==a.s[h]&&5!=a.i[h]&&(m=i));if(!(0==b||0==m))if(h=a.J[f]-a.J[e],g=a.M[f]-a.M[e],l=Math.sqrt(h*h+g*g),0.001>l&&(l=0.001),g/=l,h/=l,n=(a.M[b]-a.M[e])*h-(a.J[b]-a.J[e])*g,t=(a.M[m]-a.M[e])*h-(a.J[m]-a.J[e])*g,2>(0>=n?0-n:n)||2>(0>=t?0-t:t))C(a.n,"Not unique E/Z geometry !");else{i=Oz(a,b,e);f=Oz(a,m,f);m=1;if(0==d[i]){for(l=1;l<=a.z[b];++l)if(g=a.G[b][l],g!=e&&(h=Oz(a,b,g),0!=d[h])){c[g]>c[b]?m=-d[h]:m=d[h];break}d[i]=m}0==
+d[f]&&(0<n&&0<t||0>n&&0>t?d[f]=-d[i]:d[f]=d[i],q&&(d[f]=-d[f]))}}}function Tz(a,b){var c,d,e;e=0;for(d=1;d<=a.z[b];++d)if(c=Oz(a,b,a.G[b][d]),1==a.s[c])e+=1;else if(Vz(a,c))e+=2;else if(3==a.s[c])e+=3;else if(9==a.s[c])return-1;return e}function bA(a,b,c){var d;d=a.B[b];return 1>d||4<d?0:1==d&&a.H[b]==c?1:2==d&&a.H[b]==c?-1:3==d&&a.I[b]==c?1:4==d&&a.I[b]==c?-1:0}
+function Rx(a){var b;for(b=1;b<=a.t;++b){var c=a,d=b,e=void 0,e=Tz(c,d);if(-1==e)c.x[d]=0;else{switch(c.d[d]){case 1:2==e?c.A[d]=1:c.A[d]=0;c.x[d]=0;break;case 2:3==e||5==e?(c.x[d]=0,c.A[d]=0):3>e?c.x[d]=3-e-c.A[d]:4==e?(c.A[d]=-1,c.x[d]=0):5<e&&(c.A[d]=e-5,c.x[d]=0);break;case 3:case 6:4>e?0<c.A[d]?c.x[d]=2-e+c.A[d]:0>c.A[d]?c.x[d]=2-e-c.A[d]:c.x[d]=4-e:(c.A[d]=e-4,c.x[d]=4-e+c.A[d]);break;case 4:case 7:3>e?c.x[d]=3-e+c.A[d]:3==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:(c.A[d]=
+4==e?1:6==e?-1:e-5,c.x[d]=0);break;case 5:2==e&&(0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0);2<e&&(c.A[d]=e-2);c.x[d]=2-e+c.A[d];break;case 8:case 13:2>e?c.x[d]=2-e+c.A[d]:2==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:3==e?2==c.z[d]?(c.A[d]=0,c.x[d]=1):(c.A[d]=1,c.x[d]=0):4==e?(c.A[d]=0,c.x[d]=0):5==e?(c.A[d]=0,c.x[d]=1):(c.A[d]=e-6,c.x[d]=0);break;case 9:case 10:case 11:case 12:1<=e&&(c.A[d]=e-1);c.x[d]=1-e+c.A[d];2<e&&(c.A[d]=0,c.x[d]=0);break;case 19:case 18:c.x[d]=
+0}0>c.x[d]&&(c.x[d]=0)}}}function Oy(a){Fz(this);this.n=a;this.y=this.u=this.t=0}
+function vz(a,b){var c,d,e,f,g,i,h;Oy.call(this,a);f=j;i=tz(b);h=new Pv(b,i,!0);for(e=1;4>=e;++e)f=uz(h,i);g=Jw($v(Dk(f.substr(0,3)),10)).b;c=Jw($v(Dk(f.substr(3,3)),10)).b;for(e=1;e<=g;++e)pz(this),f=uz(h,i),this.J[e]=(new Hw(Ew(Dk(f.substr(0,10))))).b,this.M[e]=-(new Hw(Ew(Dk(f.substr(10,10))))).b,d=34,34>f.length&&(d=f.length),d=Dk(f.substr(31,d-31)),gz(this,e,d),62<=f.length&&(f=Dk(f.substr(60,3)),0<f.length&&(f=Jw($v(f,10)).b,0<f&&(this.D=e,a.u=f,nz(this),this.D=0)));for(e=1;e<=c;++e)Px(this),
+f=uz(h,i),this.H[e]=Jw($v(Dk(f.substr(0,3)),10)).b,this.I[e]=Jw($v(Dk(f.substr(3,3)),10)).b,g=Jw($v(Dk(f.substr(6,3)),10)).b,1==g?this.s[e]=1:2==g?this.s[e]=2:3==g?this.s[e]=3:this.s[e]=9,d=0,11<f.length&&(d=Jw($v(Dk(f.substr(9,3)),10)).b),1==g&&1==d&&(this.s[e]=1,this.B[e]=1),1==g&&6==d&&(this.s[e]=1,this.B[e]=2);Uz(this);qz(this);Ly(this);for(kw(this);(h.k=Jv(h,h.b),h.k<h.j)&&!(null==(f=Mv(h)));){if(0==f.indexOf("M  END"))break;if(0==f.indexOf("M  CHG")){g=new Ov(f);Mv(g);Mv(g);i=Jw($v(Mv(g),10)).b;
+for(e=1;e<=i;++e)c=Jw($v(Mv(g),10)).b,this.A[c]=Jw($v(Mv(g),10)).b}if(0==f.indexOf("M  APO")){g=new Ov(f);Mv(g);Mv(g);i=Jw($v(Mv(g),10)).b;for(e=1;e<=i;++e)c=Jw($v(Mv(g),10)).b,f=Jw($v(Mv(g),10)).b,this.D=c,V(this,0),gz(this,this.t,Wb+f),this.D=0}}Xz(this);kw(this)}
+function jw(a,b){var c,d,e,f,g;Oy.call(this,a);0==b.indexOf(da)&&(b=b.substr(1,b.length-1));Pw(b,da)&&(b=b.substr(0,b.length-1-0));if(1>b.length)this.t=0;else{try{f=new Ov(b);d=Jw($v(Mv(f),10)).b;e=Jw($v(Mv(f),10)).b;for(c=1;c<=d;++c)g=Mv(f),pz(this),gz(this,this.t,g),this.J[c]=(new Hw(Ew(Mv(f)))).b,this.M[c]=-(new Hw(Ew(Mv(f)))).b;for(c=1;c<=e;++c)if(Px(this),this.H[c]=Jw($v(Mv(f),10)).b,this.I[c]=Jw($v(Mv(f),10)).b,this.s[c]=Jw($v(Mv(f),10)).b,-1==this.s[c])this.s[c]=1,this.B[c]=1;else if(-2==this.s[c])this.s[c]=
+1,this.B[c]=2;else if(-5==this.s[c])this.s[c]=2,this.B[c]=10;else if(11==this.s[c]||12==this.s[c]||13==this.s[c]||14==this.s[c])this.B[c]=this.s[c],this.s[c]=9;Uz(this);qz(this);Ly(this)}catch(i){i=zk(i);if(A(i,52)){i.$b();this.t=0;return}throw i;}Xz(this);kw(this)}}
+function xz(a,b,c){var d,e,f;Oy.call(this,a);f=x(D,o,-1,b.t+1,1);for(a=1;a<=b.t;++a)b.b[a]==c&&(pz(this),this.d[this.t]=b.d[a],this.J[this.t]=b.J[a],this.M[this.t]=b.M[a],this.A[this.t]=b.A[a],this.x[this.t]=b.x[a],this.c[this.t]=b.c[a],this.e[this.t]=b.e[a],this.o[this.t]=b.o[a],f[a]=this.t);for(a=1;a<=b.u;++a)if(d=b.H[a],e=b.I[a],!(b.b[d]!=c&&b.b[e]!=c)&&!(b.b[d]!=c||b.b[e]!=c))Px(this),this.s[this.u]=b.s[a],this.B[this.u]=b.B[a],this.H[this.u]=f[d],this.I[this.u]=f[e],this.f[this.u]=b.f[a];for(a=
+1;a<=b.y;++a)d=b.q[a][0],d==c&&(++this.y,this.q[this.y][0]=f[d],this.q[this.y][1]=b.q[a][1]);this.k=b.k;kw(this);Ly(this)}
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+for(f=b;f<=c;++f)2==d?l[f]=l[f]*i/n:l[f]=l[f]*e/m;m=-e/2;n=0;1==d?m=-e-24:3==d?m=24:2==d&&(m=0,n=-i);for(f=b;f<=c;++f){if(a.v){for(b=1;b<=a.U[f].t;++b)a.U[f].J[b]*=a.x,a.U[f].M[b]*=a.x;bz(a.U[f])}2==d?n+=l[f]/2+g:m+=l[f]/2+g;for(b=1;b<=a.U[f].t;++b)a.U[f].J[b]+=m,a.U[f].M[b]+=n;2==d?n+=l[f]/2:m+=l[f]/2;a.v||gy(a.U[f])}}}function cz(a){var b;a.$=!0;a.c=202;a.ab=!1;if(0!=a.bb){a.$=!0;dz(a.P);a.f=!0;for(b=a.e;b<a.bb;++b)a.U[b]=a.U[b+1];--a.bb;a.e=a.bb;0<a.bb?a.P=a.U[a.e]:(a.P=new ez(a),a.P.r=0)}}
+function mw(a,b){var c,d,e,f;e=new vv;c=dc;d="MOL";f="chemical structure";b&&(c="SMIRKS",d="RXN",f=Ge);c=new pv(pb+f+ba+c+ca);var g=(Oy(),Py).c;c.d=g;uv(e,c);c=new pv(pb+f+ba+d+ca);c.d=Qy.c;uv(e,c);uv(e,new pv(za));c=new pv("Paste MOL");c.d=Ry.c;uv(e,c);e.k!=a&&(!a.Lb&&(a.Lb=new Eg),e.k=a,Hg(a.Lb,e));return e}
+function fz(a,b,c,d){var e,f,g;g=100*d+c;f=(c-1)*a.O;e=(d-1)*a.O;1==c&&2<d&&(e-=2*a.O);Z(b,Vy);g==a.c?cv(b,f+1,e+1,a.O,a.O,!1):cv(b,f,e,a.O,a.O,!0);if(!(1301==g&&!a.hb||111==g))if(107!=g||a.fb)if(201!=g||a.rb)if(103!=g||a.X)if(!(105==g&&!a.db&&!a.q)&&(109!=g||a.ib))if(c=~~(a.O/4),3>d)switch(Z(b,(qu(),wu)),g){case 101:Z(b,zu);g=f+3;var d=e+3,c=a.O-6,i=a.O-6;uy(b,!0);sy(b,vy(b,g,d,c,i));Z(b,wu);g=f+3;d=e+3;c=a.O-6;i=a.O-6;uy(b,!1);sy(b,vy(b,g,d,c,i));ty(b,f+6,e+6,a.O-12,a.O-12,-35,-110);dv(b,f+9,e+
+9,2,4);dv(b,f+a.O-10,e+9,2,4);0.04>Math.random()&&(Z(b,xu),dv(b,f+10,e+18,4,4));0.96<Math.random()&&(Z(b,zu),dv(b,f+a.O-10,e+8,2,3));break;case 111:gz(a,b,f,e,"END");break;case 107:Z(b,yu);dv(b,f+4,e+4,a.O-8,a.O-8);Z(b,wu);xy(b,f+4,e+4,a.O-8,a.O-8);ty(b,f+6,e+6,a.O-11,a.O-12,-35,-110);dv(b,f+9,e+9,2,4);dv(b,f+a.O-10,e+9,2,4);break;case 108:g=~~(a.O/4);Y(b,f+g,e+a.O-g,f+a.O-g,e+g);g=~~(a.O/2)-g;d=e+~~(2*a.O/3);f+=~~(a.O/2);Y(b,f,d,f+g,d);e+=~~(a.O/3);a=f-g;Y(b,a,e,f,e);a=~~((a+f)/2);e-=~~(g/2);Y(b,
+a,e,a,e+g);break;case 110:ty(b,f+6,e+7,a.O-12,a.O-14,270,270);Y(b,f+6,e+13,f+3,e+10);Y(b,f+6,e+13,f+9,e+10);break;case 109:Y(b,f+c,e+~~(a.O/2),f+a.O-c,e+~~(a.O/2));Y(b,f+a.O-c,e+~~(a.O/2),f+a.O-~~(3*c/2),e+~~(a.O/2)+~~(c/2));Y(b,f+a.O-c,e+~~(a.O/2),f+a.O-~~(3*c/2),e+~~(a.O/2)-~~(c/2));break;case 102:Z(b,ru);dv(b,f+3,e+5,a.O-7,a.O-11);Z(b,wu);xy(b,f+3,e+5,a.O-7,a.O-11);break;case 103:Z(b,Vy);a.ab&&cv(b,f+1,e+1,a.O,a.O,!1);Z(b,wu);gz(a,b,f,e,"NEW");break;case 106:Z(b,xu);Y(b,f+7,e+7,f+a.O-7,e+a.O-7);
+Y(b,f+8,e+7,f+a.O-6,e+a.O-7);Y(b,f+7,e+a.O-7,f+a.O-7,e+7);Y(b,f+8,e+a.O-7,f+a.O-6,e+7);Z(b,wu);Y(b,f+c,e+~~(a.O/2),f+12,e+~~(a.O/2));gz(a,b,f+6,e,Vb);break;case 104:Z(b,xu);Y(b,f+7,e+7,f+a.O-7,e+a.O-7);Y(b,f+8,e+7,f+a.O-6,e+a.O-7);Y(b,f+7,e+a.O-7,f+a.O-7,e+7);Y(b,f+8,e+a.O-7,f+a.O-6,e+7);Z(b,wu);break;case 105:a.qb?(Z(b,Bu),Y(b,f+11,e+5,f+9,e+9),Y(b,f+9,e+9,f+4,e+9),Y(b,f+4,e+9,f+8,e+12),Y(b,f+8,e+12,f+6,e+18),Y(b,f+6,e+18,f+11,e+15),Y(b,f+12,e+5,f+14,e+9),Y(b,f+14,e+9,f+19,e+9),Y(b,f+19,e+9,f+15,
+e+12),Y(b,f+15,e+12,f+17,e+18),Y(b,f+17,e+18,f+12,e+15),Z(b,wu)):gz(a,b,f,e,"123");break;case 112:Z(b,Cu);dv(b,f+4,e+4,a.O-8,a.O-8);Z(b,wu);xy(b,f+4,e+4,a.O-8,a.O-8);hz(a,b,f+1,e-1,ru,"i");break;case 201:Y(b,f+c,e+~~(a.O/2),f+a.O-c,e+~~(a.O/2)+2);Y(b,f+c,e+~~(a.O/2),f+a.O-c,e+~~(a.O/2)-2);Y(b,f+a.O-c,e+~~(a.O/2)+2,f+a.O-c,e+~~(a.O/2)-2);break;case 202:Y(b,f+c,e+~~(a.O/2),f+a.O-c,e+~~(a.O/2));break;case 203:Y(b,f+c,e+~~(a.O/2)-2,f+a.O-c,e+~~(a.O/2)-2);Y(b,f+c,e+~~(a.O/2)+2,f+a.O-c,e+~~(a.O/2)+2);break;
+case 204:Y(b,f+c,e+~~(a.O/2),f+a.O-c,e+~~(a.O/2));Y(b,f+c,e+~~(a.O/2)-2,f+a.O-c,e+~~(a.O/2)-2);Y(b,f+c,e+~~(a.O/2)+2,f+a.O-c,e+~~(a.O/2)+2);break;case 205:Y(b,f+~~(c/2),e+2*c+~~(c/3),f+3*~~(c/2),e+2*c-~~(c/3));a=Oa+(f+3*~~(c/2))+ja+(e+2*c-~~(c/3))+ia+(f+5*~~(c/2))+ka+(e+2*c+~~(c/3))+ga+b.e+ea+b.b+Da;sy(b,a);e=Oa+(f+5*~~(c/2))+ja+(e+2*c+~~(c/3))+ia+(f+7*~~(c/2))+ka+(e+2*c-~~(c/3))+ga+b.e+ea+b.b+Da;sy(b,e);break;case 206:iz(a,b,f,e+2,3);break;case 207:iz(a,b,f,e,4);break;case 208:iz(a,b,f,e,5);break;
+case 209:iz(a,b,f,e,1);break;case 210:iz(a,b,f,e,6);break;case 211:iz(a,b,f,e,7);break;case 212:iz(a,b,f,e,8)}else d=3,301==g?d=3:401==g?d=4:501==g?d=5:601==g?d=8:701==g?d=9:801==g?d=10:901==g?d=11:1001==g?d=12:1101==g?d=7:1201==g?d=18:1301==g&&(d=19),null!=uw[d]&&hz(a,b,f,e,tw[d],uw[d])}
+function jz(a){var b,c,d;a.Y&&(d=a.A.b,c=a.y.c-a.O,b=a.O,Z(d,Vy),dv(d,0,0,c,b),Z(d,Wy),Y(d,0,0,c-1-2,0),Z(d,Eu(Vy)),Y(d,0,b-1,c-1,b-1),Y(d,c-1,0,c-1,b-1),zy(d,a.M),Z(d,(qu(),wu)),0==a.B.indexOf("E")&&Z(d,xu),yy(d,a.B,10,15),Rx(a.wb,a.A,a.O,a.y.b-a.O))}function kz(a){var b,c,d;if(a.Z){d=a.G.b;c=a.O;b=a.y.b-2*a.O;Z(d,Vy);dv(d,0,0,c,b);Z(d,Wy);Y(d,0,0,0,b-1);Y(d,0,nw*a.O,b-1,nw*a.O);Z(d,Eu(Vy));Y(d,c-1,0,c-1,b-1-a.O);Y(d,0,b-1,c-1,b-1);for(b=3;b<=nw+2;++b)fz(a,d,1,b);Rx(a.wb,a.G,0,2*a.O)}}
+function lz(a){var b,c,d,e;if(a.$){e=a.T.b;c=a.y.c-a.O;b=a.y.b-3*a.O;Z(e,a.s);dv(e,0,0,c,b);for(d=1;d<=a.bb;++d){var f=a.U[d],g=e,i=void 0,h=void 0,l=void 0,m=void 0,n=void 0,q=m=n=void 0,s=void 0,L=h=n=i=n=i=void 0,G=l=void 0,K=void 0,T=q=void 0,Pa=s=n=G=void 0,N=q=void 0,la=K=void 0,Wa=L=h=i=L=h=T=la=q=q=void 0,Pa=N=l=n=l=void 0,m=s=1,Pa=2,K=3;f.w&&(bz(f),az(f.n,1,f.n.bb,0),f.w=!1);1!=f.n.x&&(Pa*=f.n.x,K*=f.n.x,i=1,0.7>f.n.x&&(i=1.2),i=D(10*f.n.x*i),f.n.k=new Uu(Cb,0,i),f.n.n=null);f.n.w&&(Z(g,
+(qu(),wu)),xy(g,0,0,f.n.y.c-1,f.n.y.b-1));if(0!=f.t){if(-1==f.k){n=F(E(Math.round(12*Pa)));for(i=1;i<=f.t;++i)0<f.c[i]&&7>f.c[i]&&(Z(g,(Uy(),Yy)[f.c[i]]),l=g,h=D(f.J[i]-n/2),L=D(f.M[i]-n/2),q=la=n,uy(l,!0),sy(l,vy(l,h,L,la,q)));for(i=1;i<=f.u;++i)h=f.H[i],l=f.I[i],0!=f.c[h]&&f.c[h]==f.c[l]&&(Z(g,(Uy(),Yy)[f.c[h]]),q=f.J[l]-f.J[h],s=f.M[l]-f.M[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,N=3*K*s,q=3*K*m,L=w(C,o,-1,4,1),n=w(C,o,-1,4,1),L[0]=D(f.J[h]+N),n[0]=D(f.M[h]-q),L[1]=D(f.J[l]+N),n[1]=D(f.M[l]-
+q),L[2]=D(f.J[l]-N),n[2]=D(f.M[l]+q),L[3]=D(f.J[h]-N),n[3]=D(f.M[h]+q),l=g,h=L,uy(l,!0),sy(l,Cy(l,h,n,4,!0)))}for(i=1;i<=f.u;++i){Z(g,(qu(),wu));h=f.H[i];l=f.I[i];1==f.k&&0!=f.c[h]&&f.c[h]==f.c[l]&&Z(g,(Uy(),Yy)[f.c[h]]);if(3==f.B[i]||4==f.B[i])n=h,h=l,l=n;la=f.J[h];L=f.M[h];h=f.J[l];l=f.M[l];if(1!=f.s[i]||0!=f.B[i])q=h-la,s=l-L,m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m;switch(f.s[i]){case 2:10<=f.B[i]&&Z(g,Au);N=Pa*s;q=Pa*m;Y(g,F(E(Math.round(la+N))),F(E(Math.round(L-q))),F(E(Math.round(h+N))),
+F(E(Math.round(l-q))));Y(g,F(E(Math.round(la-N))),F(E(Math.round(L+q))),F(E(Math.round(h-N))),F(E(Math.round(l+q))));Z(g,wu);break;case 3:n=F(E(Math.round(la)));L=F(E(Math.round(L)));h=F(E(Math.round(h)));l=F(E(Math.round(l)));Y(g,n,L,h,l);q=F(E(Math.round(K*s)));la=F(E(Math.round(K*m)));Y(g,n+q,L-la,h+q,l-la);Y(g,n-q,L+la,h-q,l+la);break;case 9:case 0:for(G=0;10>G;++G)T=la-(la-h)/10*G,Wa=L-(L-l)/10*G,Y(g,F(E(Math.round(T))),F(E(Math.round(Wa))),F(E(Math.round(T))),F(E(Math.round(Wa))));zy(g,f.n.k);
+n=Wu(f.n.n.d).b;q=f.f[i];N=Va;null!=q&&(N=q);q=Av(f.n.n,N);h=F(E(Math.round((la+h)/2-q/2)));l=F(E(Math.round((L+l)/2+~~(n/2)-1)));Z(g,Au);yy(g,N,h,l);Z(g,wu);break;default:if(1==f.B[i]||3==f.B[i])N=K*s,q=K*m,T=w(C,o,-1,3,1),G=w(C,o,-1,3,1),T[0]=F(E(Math.round(h+N))),G[0]=F(E(Math.round(l-q))),T[1]=F(E(Math.round(la))),G[1]=F(E(Math.round(L))),T[2]=F(E(Math.round(h-N))),G[2]=F(E(Math.round(l+q))),n=g,l=T,h=G,uy(n,!0),sy(n,Cy(n,l,h,3,!0));else if(2==f.B[i]||4==f.B[i]){N=K*s;q=K*m;for(G=0;10>G;++G)T=
+la-(la-h)/10*G,Wa=L-(L-l)/10*G,n=G/10,Y(g,F(E(Math.round(T+N*n))),F(E(Math.round(Wa-q*n))),F(E(Math.round(T-N*n))),F(E(Math.round(Wa+q*n))))}else Y(g,F(E(Math.round(la))),F(E(Math.round(L))),F(E(Math.round(h))),F(E(Math.round(l))))}}zy(g,f.n.k);n=Wu(f.n.n.d).b;Pa=w(yo,t,1,f.t+1,0);for(i=1;i<=f.t;++i)N=mz(f,i),3==f.d[i]&&0<f.z[i]&&0==f.A[i]?Pa[i]=N:(f.n.mb&&(0<f.x[i]&&(N+=Bb),1<f.x[i]&&(N+=f.x[i])),0!=f.A[i]&&(1<(0>f.A[i]?-f.A[i]:f.A[i])&&(N+=0>f.A[i]?-f.A[i]:f.A[i]),0<f.A[i]?N+=wa:N+=za),Pa[i]=N,
+(null==N||1>N.length)&&(N=va),q=Av(f.n.n,N),h=F(E(ex(f.J[i]-q/2))),l=F(E(ex(f.M[i]+~~(n/2)-1))),Z(g,f.n.s),-1==f.k&&0!=f.c[i]&&Z(g,(Uy(),Yy)[f.c[i]]),dv(g,h-1,l-n+2,q+1,n-1),1==f.k?0!=f.c[i]?Z(g,(Uy(),Yy)[f.c[i]]):Z(g,(qu(),wu)):Z(g,(Uy(),tw)[f.d[i]]),yy(g,N,h,l));for(G=1;G<=f.y;++G)i=f.q[G][0],q=Av(f.n.n,Pa[i]),h=F(E(ex(f.J[i]-q/2))),l=F(E(ex(f.M[i]+~~(n/2)-1))),Z(g,(qu(),Au)),yy(g,k+f.q[G][1],h+q,l);if(0<f.D||0<f.E)if(Z(g,104==f.n.c?(qu(),xu):(qu(),Cu)),0<f.D&&106!=f.n.c&&(q=Av(f.n.n,Pa[f.D]),xy(g,
+F(E(ex(f.J[f.D]-q/2-1))),F(E(ex(f.M[f.D]-n/2-1))),q+2,n+2)),0<f.E&&(h=f.H[f.E],l=f.I[f.E],q=f.J[l]-f.J[h],s=f.M[l]-f.M[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,N=(K+1)*s,q=(K+1)*m,T=w(C,o,-1,5,1),G=w(C,o,-1,5,1),T[0]=F(E(ex(f.J[h]+N))),T[1]=F(E(ex(f.J[l]+N))),G[0]=F(E(ex(f.M[h]-q))),G[1]=F(E(ex(f.M[l]-q))),T[3]=F(E(ex(f.J[h]-N))),T[2]=F(E(ex(f.J[l]-N))),G[3]=F(E(ex(f.M[h]+q))),G[2]=F(E(ex(f.M[l]+q))),T[4]=T[0],G[4]=G[0],106!=f.n.c&&(K=g,i=T,s=G,uy(K,!1),sy(K,Cy(K,i,s,5,!0))),106==f.n.c&&nz(f,
+f.H[f.E],f.I[f.E]))){K=0;for(i=1;i<=f.t;++i)0<f.b[i]&&++K;if(K>~~(f.t/2))for(i=1;i<=f.t;++i)0<f.b[i]?f.b[i]=0:f.b[i]=1;Z(g,(qu(),xu));for(i=1;i<=f.t;++i)0<f.b[i]&&(q=Av(f.n.n,Pa[i]),xy(g,F(E(ex(f.J[i]-q/2-1))),F(E(ex(f.M[i]-n/2-1))),q+2,n+2))}}}a.v||(Z(e,Eu(Vy)),Y(e,c-1,0,c-1,b-1),Z(e,Vy),Y(e,c-2,0,c-2,b-1),Z(e,Wy),Y(e,c-3,0,c-3,b-1));a.ib&&(d=~~((c-48)/2),Z(e,(qu(),Au)),Y(e,d,~~(b/2),d+48,~~(b/2)),Y(e,d+48,~~(b/2),d+48-6,~~(b/2)+6),Y(e,d+48,~~(b/2),d+48-6,~~(b/2)-6));a.v&&(a.I=new Uu(Cb,0,10),a.L=
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+h=a.I[a.E],b==a.I[a.E]&&(b=a.G[a.I[a.E]][2])),0<b)for(f=1;f<=a.u;++f)if(a.H[f]==b&&a.I[f]==h||a.H[f]==h&&a.I[f]==b){1!=a.s[f]&&(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=3);break}}else a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=2}else if(221==a.n.c||223==a.n.c)if(0<a.E){if(1==a.s[a.E]){b=!1;for(f=1;f<=a.z[a.H[a.E]];++f)if(h=a.G[a.H[a.E]][f],1<a.s[eA(a,a.H[a.E],h)]){b=!0;break}for(f=1;f<=a.z[a.I[a.E]];++f)if(h=a.G[a.I[a.E]][f],1<a.s[eA(a,
+a.I[a.E],h)]){b=!0;break}b||(a.s[a.E]=2)}a.s[a.u-4]=2;a.d[a.t-2]=5}else 0<a.D?221==a.n.c?(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u-1]=1,a.s[a.u-3]=2,a.s[a.u]=2,a.d[a.t-1]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5);h=w(C,o,-1,a.t+1,1);for(f=1;f<=i;++f)b=a.t-i+f,c=a.u-i+f,a.G[b][1]=b-1,a.G[b][2]=b+1,b=a.H[c],e=a.I[c],a.K[c]=F(E(ex((a.J[b]+a.J[e])/2))),a.N[c]=F(E(ex((a.M[b]+a.M[e])/2)));a.G[a.t-
+i+1][1]=a.t;a.G[a.t][2]=a.t-i+1;for(f=a.t-i+1;f<=a.t;++f){h[f]=0;g=51;c=0;for(b=1;b<=a.t-i;++b)e=a.J[f]-a.J[b],d=a.M[f]-a.M[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.D||c==a.D)&&(h[f]=c)}g=a.u-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.H[f],e=a.I[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.H[c]==h[b]&&a.I[c]==h[e]||a.I[c]==h[b]&&a.H[c]==h[e])continue a;fy(a);a.s[a.u]=a.s[f];a.H[a.u]=h[b];a.G[h[b]][++a.z[h[b]]]=h[e];a.I[a.u]=h[e];a.G[h[e]][++a.z[h[e]]]=h[b];a.K[a.u]=F(E(ex((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2)));
+a.N[a.u]=F(E(ex((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))}else 0<h[b]?(fy(a),a.s[a.u]=a.s[f],a.H[a.u]=h[b],a.G[h[b]][++a.z[h[b]]]=e,a.I[a.u]=e,a.G[e][++a.z[e]]=h[b],a.K[a.u]=F(E(ex((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=F(E(ex((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))):0<h[e]&&(fy(a),a.s[a.u]=a.s[f],a.H[a.u]=h[e],a.G[h[e]][++a.z[h[e]]]=b,a.I[a.u]=b,a.G[b][++a.z[b]]=h[e],a.K[a.u]=F(E(ex((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=F(E(ex((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2))));d=a.t-i;for(f=a.t;f>d;--f)if(0<h[f]&&
+($x(a,f),3==a.d[h[f]])){m=0;for(b=1;b<=a.z[h[f]];++b){e=a.G[h[f]][b];for(c=1;c<=a.u;++c)(a.H[c]==h[f]&&a.I[c]==e||a.H[c]==e&&a.I[c]==h[f])&&(m+=a.s[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.s[c]=1}0<a.D&&gA(a,i);-1<l&&(a.D=l)}
+function hA(a,b,c,d){var e,f,g,i,h,l;0==a.z[a.D]?(e=0,f=1):(e=a.G[a.D][1],f=a.J[a.D]-a.J[e],e=a.M[a.D]-a.M[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.J[a.D]+d*f;l=a.M[a.D]+d*e;for(g=1;g<=b;++g)Gz(a),i=c*g-1.5707963267948966,a.J[a.t]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.M[a.t]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}function gA(a,b){var c,d;0==b&&(b=a.t);for(c=a.t;c>a.t-b;--c)d=Zx(a,c),0!=d&&(a.J[c]+=6,a.M[c]+=6)}
+function eA(a,b,c){var d;for(d=1;d<=a.u;++d)if(a.H[d]==b&&a.I[d]==c||a.H[d]==c&&a.I[d]==b)return d;return 0}function iA(a,b,c){var d,e,f,g;e=If;for(f=g=0;;){++g;for(d=1;d<=a.t;++d)if(Zo(c[d])){e=c[d];break}for(d=1;d<=a.t;++d)Zo(c[d])&&!Oo(c[d],e)&&(e=c[d]);for(d=1;d<=a.t;++d)To(c[d],e)&&(b[d]=g,c[d]=If,++f);if(f==a.t)break}return g==a.t}
+function bz(a){var b,c,d;b=w(cy,t,-1,4,1);d=c=0;a.n&&a.n.y&&0<a.n.y.c&&(c=a.n.y.c-a.n.O,d=a.n.y.b-3*a.n.O);if(0>=c||0>=d)a.w=!0;else{dy(a,b);c=~~(c/2)-F(E(Math.round(b[0])));d=~~(d/2)-F(E(Math.round(b[1])));if(!a.n.cb)for(b=1;b<=a.t;++b)a.J[b]+=c,a.M[b]+=d;gy(a)}}
+function dy(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.t;++c)a.J[c]<f&&(f=a.J[c]),a.J[c]>d&&(d=a.J[c]),a.M[c]<g&&(g=a.M[c]),a.M[c]>e&&(e=a.M[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function Bz(a,b,c){var d;if(1==c)++a.A[b];else if(-1==c)--a.A[b];else switch(d=jA(a,b),-1==d&&0==c&&(0==a.A[b]?a.A[b]=1:1==a.A[b]?a.A[b]=-1:-1==a.A[b]&&(a.A[b]=0)),a.d[b]){case 2:2<d&&B(a.n,"Charge change not possible on this boron !");0==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0);break;case 3:3<d?B(a.n,"Charge change not possible on this carbon !"):4>d&&(0==a.A[b]?a.A[b]=-1:-1==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0));break;case 4:case 7:3<d?B(a.n,"Charge change not possible on multibonded N or P !"):3==
+d&&0==a.A[b]?a.A[b]=1:3==d&&1==a.A[b]?a.A[b]=0:3>d&&0==a.A[b]?a.A[b]=1:3>d&&1==a.A[b]?a.A[b]=-1:3>d&&-1==a.A[b]&&(a.A[b]=0);break;case 5:case 8:case 13:2<d?B(a.n,"Charge change not possible on multibonded O or S !"):2==d&&0==a.A[b]?a.A[b]=1:2==d&&1==a.A[b]?a.A[b]=0:2>d&&0==a.A[b]?a.A[b]=-1:2>d&&-1==a.A[b]?a.A[b]=1:2>d&&1==a.A[b]&&(a.A[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.A[b]?a.A[b]=-1:0==d&&-1==a.A[b]?a.A[b]=0:B(a.n,"Charge change not possible on the halogen !");break;case 18:B(a.n,
+"Use X button to change charge on the X atom !")}}
+function Nz(a,b){var c,d,e,f,g;f=0;g=!1;for(a.b=w(C,o,-1,a.t+1,1);;){for(e=1;e<=a.t;++e)if(0==a.b[e]){a.b[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],0<a.b[c]&&0==a.b[d]?(a.b[d]=f,g=!0):0<a.b[d]&&0==a.b[c]&&(a.b[c]=f,g=!0)}}if(2>f||!b)return f;g=w(C,o,-1,f+1,1);for(c=1;c<=a.t;++c)++g[a.b[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.t;1<=c;--c)a.b[c]!=d&&$x(a,c);bz(a);B(a.n,"Smaller part(s) removed !");return 1}
+function Zx(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.t;++e)b!=e&&(c=a.J[b]-a.J[e],d=a.M[b]-a.M[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function iy(a){var b,c,d;for(d=1;d<=a.u;++d){b=a.H[d];c=a.I[d];if(1==a.A[b]&&-1==a.A[c]||-1==a.A[b]&&1==a.A[c])if(1==a.s[d]||2==a.s[d]){if(3!=a.d[b]&&3!=a.d[c]&&a.n.eb)continue;if(1==a.d[b]||1==a.d[c])continue;if(2==a.d[b]||2==a.d[c])continue;if(9==a.d[b]||10==a.d[b]||11==a.d[b]||12==a.d[b]||9==a.d[c]||10==a.d[c]||11==a.d[c]||12==a.d[c])continue;a.A[b]=0;a.A[c]=0;++a.s[d];hy(a)}1==a.A[b]&&1==a.A[c]&&(2==a.s[d]?a.s[d]=1:3==a.s[d]&&(a.s[d]=2),hy(a));4==a.s[d]&&(a.s[d]=1)}}
+function dA(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function Cw(a){var b;kA(a);b=a.s.length;a.K=w(C,o,-1,b,1);a.N=w(C,o,-1,b,1);gy(a);hy(a)}
+function Gz(a){var b,c;++a.t;a.t>a.d.length-1&&(c=a.d.length+10,b=w(C,o,-1,c,1),lx(a.d,b,a.d.length),a.d=b,b=w(C,o,-1,c,1),lx(a.A,b,a.A.length),a.A=b,b=w(C,o,-1,c,1),lx(a.x,b,a.x.length),a.x=b,b=w(C,o,-1,c,1),lx(a.c,b,a.c.length),a.c=b,b=w(yo,t,1,c,0),lx(a.e,b,a.e.length),a.e=b,b=w(yo,t,1,c,0),lx(a.o,b,a.o.length),a.o=b,b=w(cy,t,-1,c,1),lx(a.J,b,a.J.length),a.J=b,b=w(cy,t,-1,c,1),lx(a.M,b,a.M.length),a.M=b,b=no([c,7]),lx(a.G,b,a.G.length),a.G=b,c=w(C,o,-1,c,1),lx(a.z,c,a.z.length),a.z=c);a.d[a.t]=
+3;a.A[a.t]=0;a.c[a.t]=0;a.e[a.t]=null;a.x[a.t]=0}function fy(a){var b,c;++a.u;a.u>a.s.length-1&&(b=a.s.length+10,c=w(C,o,-1,b,1),lx(a.H,c,a.H.length),a.H=c,c=w(C,o,-1,b,1),lx(a.I,c,a.I.length),a.I=c,c=w(C,o,-1,b,1),lx(a.s,c,a.s.length),a.s=c,c=w(C,o,-1,b,1),lx(a.B,c,a.B.length),a.B=c,c=w(C,o,-1,b,1),lx(a.K,c,a.K.length),a.K=c,c=w(C,o,-1,b,1),lx(a.N,c,a.N.length),a.N=c,b=w(yo,t,1,b,0),lx(a.f,b,a.f.length),a.f=b);a.s[a.u]=1;a.B[a.u]=0;a.f[a.u]=null}
+function zz(a,b){var c,d,e,f,g,i,h;if(0==a.t)return j;i=b;79<b.length&&(i=b.substr(0,76)+"...");i+=(Uy(),aa);i+="JME 2013.01 "+new Ix+"\n \n";i+=yz(a.t,3)+yz(a.u,3);i+="  0  0  0  0  0  0  0  0999 V2000\n";g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.t;++e)a.M[e]>g&&(g=a.M[e]),a.J[e]<c&&(c=a.J[e]);for(e=1;e<=a.t;++e){i+=Iz(0.055999999999999994*(a.J[e]-c),10,4)+Iz(0.055999999999999994*(g-a.M[e]),10,4)+Iz(0,10,4);h=mz(a,e);1==h.length?h+="  ":2==h.length?h+=k:3<h.length&&(h="Q  ");
+i+=k+h;d=0;0<a.A[e]&&4>a.A[e]?d=4-a.A[e]:0>a.A[e]&&-4<a.A[e]&&(d=4-a.A[e]);h=" 0"+yz(d,3)+"  0  0  0  0  0  0  0";f=-1;for(d=1;d<=a.y;++d)if(a.q[d][0]==e){f=a.q[d][1];break}-1<f?h+=yz(f,3):h+="  0";i+=h+"  0  0\n"}for(e=1;e<=a.u;++e)g=a.s[e],1==a.s[e]?g=1:lA(a,e)&&(g=2),c=yz(a.H[e],3)+yz(a.I[e],3),d=0,1==a.s[e]&&1==a.B[e]?d=1:1==a.s[e]&&2==a.B[e]&&(d=6),1==a.s[e]&&3==a.B[e]&&(d=1,c=yz(a.I[e],3)+yz(a.H[e],3)),1==a.s[e]&&4==a.B[e]&&(d=6,c=yz(a.I[e],3)+yz(a.H[e],3)),i+=c+yz(g,3)+yz(d,3)+"  0  0  0\n";
+for(e=1;e<=a.t;++e)0!=a.A[e]&&(i+="M  CHG  1"+yz(e,4)+yz(a.A[e],4)+aa);return i+"M  END\n"}
+function Jz(a){var b,c,d,e,f,g,i,h,l,m,n,q,s,L,G,K,T,Pa,N,la,Wa,Ad,Hn,In,Rc,Jn,Og,kf,Kb,lf;n=w(C,o,-1,a.t+10,1);q=w(C,o,-1,a.t+10,1);l=w(C,o,-1,a.t+1,1);m=w(C,o,-1,7,1);Rc=w(C,o,-1,a.t+1,1);L=w(mA,t,-1,a.t+1,2);G=w(mA,t,-1,a.u+1,2);Ad=0;if(0==a.t)return j;Nz(a,!0);In=!0;for(h=1;h<=a.u;++h)if(9==a.s[h]){In=!1;break}if(a.n.r&&In){nA(a);iy(a);oA(a,G);pA(a,L,G);var wb,Sc,Mn,xb,xj,yj,Pg,Ca,Pz,zc,r,ha,zj,Aj,Nn,Bd,ta,Bj,Cj,yb,Dj;wb=w(C,o,-1,a.t+1,1);Sc=w(C,o,-1,a.t+1,1);Ca=w(qA,t,-1,a.t+1,3);var On=a.t,
+Ej,mf,Pn,ge,Qg,Tc,Cd;Qg=w(qA,t,-1,On+2,3);Tc=w(C,o,-1,100,1);Cd=5;ge=0;Tc[0]=3;Qg[1]=Kf;Qg[2]=Lf;Pn=2;if(!(3>On))for(;Cd<Tc[ge]*Tc[ge];){mf=0;for(Ej=!0;Ej&&mf<=ge&&Cd>=Tc[mf]*Tc[mf];)0==Cd%Tc[mf]?Ej=!1:++mf;if(Ej){Qg[++Pn]=Wo(Cd);if(Pn>=On)break;ge<Tc.length-1&&(++ge,Tc[ge]=Cd)}Cd+=2}for(r=1;r<=a.t;++r){for(ha=Cj=1;ha<=a.u;++ha)(a.H[ha]==r||a.I[ha]==r)&&(Cj*=a.i[ha]);Bj=a.d[r];18==Bj&&(Dj=a.o[r],yj=Dj.charCodeAt(0)-65+1,Pg=0,1<Dj.length&&(Pg=Dj.charCodeAt(1)-97),0>yj&&(yj=0),0>Pg&&(Pg=0),Bj=28*yj+
+Pg);Bd=0;-2>a.A[r]?Bd=1:-2==a.A[r]?Bd=2:-1==a.A[r]?Bd=3:1==a.A[r]?Bd=4:2==a.A[r]?Bd=5:2<a.A[r]&&(Bd=6);yb=1;Ca[r]=Wo(Cj);yb*=126;Ca[r]=Ro(Ca[r],Wo(a.x[r]*yb));yb*=7;Ca[r]=Ro(Ca[r],Wo(Bd*yb));yb*=7;Ca[r]=Ro(Ca[r],Wo(Bj*yb));yb*=783;Ca[r]=Ro(Ca[r],Wo(a.z[r]*yb))}for(xj=0;!iA(a,wb,Ca);){Nn=!1;for(r=1;r<=a.t;++r)wb[r]!=Sc[r]&&(Sc[r]=wb[r],Nn=!0);if(Nn){for(r=1;r<=a.t;++r){Ca[r]=Jf;for(ha=1;ha<=a.z[r];++ha)Ca[r]=$o(Ca[r],Qg[wb[a.G[r][ha]]])}xj=0}else if(0<xj){for(r=1;r<=a.t;++r)Ca[r]=Jf;r=1;a:for(;r<=
+a.t-1;++r)for(ha=r+1;ha<=a.t;++ha)if(wb[r]==wb[ha]){Ca[r]=Kf;break a}}else{for(r=1;r<=a.t;++r){Ca[r]=Jf;for(ha=1;ha<=a.z[r];++ha)Mn=a.G[r][ha],Ca[r]=$o(Ca[r],Wo(a.d[Mn]*a.i[eA(a,r,Mn)]))}xj=1}iA(a,wb,Ca);for(r=1;r<=a.t;++r)Ca[r]=Wo(Sc[r]*a.t+wb[r])}for(r=1;r<=a.t;++r)Sc[r]=wb[r];for(ta=1;ta<=a.t;++ta)for(r=1;r<=a.t;++r)if(Sc[r]==ta){a.d[0]=a.d[r];a.A[0]=a.A[r];a.J[0]=a.J[r];a.M[0]=a.M[r];a.z[0]=a.z[r];a.d[r]=a.d[ta];a.A[r]=a.A[ta];a.J[r]=a.J[ta];a.M[r]=a.M[ta];a.z[r]=a.z[ta];a.d[ta]=a.d[0];a.A[ta]=
+a.A[0];a.J[ta]=a.J[0];a.M[ta]=a.M[0];a.z[ta]=a.z[0];Sc[r]=Sc[ta];Sc[ta]=ta;a.o[0]=a.o[r];a.o[r]=a.o[ta];a.o[ta]=a.o[0];a.c[0]=a.c[r];a.c[r]=a.c[ta];a.c[ta]=a.c[0];a.e[0]=a.e[r];a.e[r]=a.e[ta];a.e[ta]=a.e[0];a.x[0]=a.x[r];a.x[r]=a.x[ta];a.x[ta]=a.x[0];break}for(r=1;r<=a.y;++r)a.q[r][0]=wb[a.q[r][0]];for(r=1;r<=a.u;++r)a.H[r]=wb[a.H[r]],a.I[r]=wb[a.I[r]],a.H[r]>a.I[r]&&(zc=a.H[r],a.H[r]=a.I[r],a.I[r]=zc,1==a.B[r]?a.B[r]=3:2==a.B[r]?a.B[r]=4:3==a.B[r]?a.B[r]=1:4==a.B[r]&&(a.B[r]=2));for(r=1;r<a.u;++r){Aj=
+zj=a.t;xb=0;for(ha=r;ha<=a.u;++ha)a.H[ha]<zj?(zj=a.H[ha],Aj=a.I[ha],xb=ha):a.H[ha]==zj&&a.I[ha]<Aj&&(Aj=a.I[ha],xb=ha);zc=a.H[r];a.H[r]=a.H[xb];a.H[xb]=zc;zc=a.I[r];a.I[r]=a.I[xb];a.I[xb]=zc;zc=a.s[r];a.s[r]=a.s[xb];a.s[xb]=zc;zc=a.B[r];a.B[r]=a.B[xb];a.B[xb]=zc;Pz=a.f[r];a.f[r]=a.f[xb];a.f[xb]=Pz}Cw(a);hy(a);oA(a,G);pA(a,L,G)}else{oA(a,G);a.i=w(C,o,-1,a.u+1,1);for(s=1;s<=a.u;++s)a.i[s]=a.s[s]}c=1;a.b=w(C,o,-1,a.t+1,1);lf=1;a.b[1]=1;for(la=0;;){Wa=0;for(s=1;s<=a.z[c];++s)if(g=a.G[c][s],0<a.b[g]){if(!(a.b[g]>
+a.b[c])&&g!=Rc[c]){Hn=!0;for(T=1;T<=Ad;++T)if(n[T]==c&&q[T]==g||n[T]==g&&q[T]==c){Hn=!1;break}Hn&&(++Ad,n[Ad]=c,q[Ad]=g)}}else m[++Wa]=g;if(0==Wa){if(lf==a.t)break;c=l[la--]}else if(1==Wa)Rc[m[1]]=c,c=m[1],a.b[c]=++lf;else{l[++la]=c;e=0;for(s=1;s<=Wa;++s)if(h=eA(a,m[s],c),!G[h]){e=m[s];break}if(0==e)for(s=1;s<=Wa;++s)if(h=eA(a,m[s],c),2==a.i[h]||3==a.i[h]){e=m[s];break}0==e&&(e=m[1]);Rc[e]=c;c=e;a.b[e]=++lf}}Rc=w(C,o,-1,a.t+1,1);b=w(C,o,-1,a.t+1,1);Pa=w(mA,t,-1,a.t+1,2);Jn=w(mA,t,-1,a.t+1,2);f=lf=
+la=0;for(s=1;s<=a.t;++s)if(1==a.b[s]){c=s;break}a:for(;;){0<f&&(Rc[c]=f);b[++lf]=c;for(a.b[c]=0;;){Wa=e=0;N=a.t+1;s=1;b:for(;s<=a.z[c];++s){g=a.G[c][s];for(K=1;K<=Ad;++K)if(n[K]==g&&q[K]==c||n[K]==c&&q[K]==g)continue b;0<a.b[g]&&(++Wa,a.b[g]<N&&(e=g,N=a.b[g]))}if(0==e){if(0==la)break a;Jn[c]=!0;c=l[la--]}else break}f=c;c=e;1<Wa&&(l[++la]=f,Pa[e]=!0)}Og=w(C,o,-1,a.u+1,1);kf=w(C,o,-1,a.t+1,1);if(a.n.rb){var Rz=Rc,ZA=Ad,Qn,Sz,nf,Uc,Rn,Sn,sa,Rg,Tn;nf=w(C,o,-1,a.t+1,1);for(sa=1;sa<=a.t;++sa)nf[b[sa]]=
+sa;Rn=w(mA,t,-1,a.u+1,2);for(sa=1;sa<=a.t;++sa)Qn=b[sa],Sz=Rz[Qn],Uc=eA(a,Qn,Sz),0!=Uc&&(rA(a,Uc,nf,Og,G),Rn[Uc]=!0);for(sa=1;sa<=a.u;++sa)Rn[sa]||rA(a,sa,nf,Og,G);sa=1;a:for(;sa<=a.t;++sa)if(!(2>a.z[sa]||4<a.z[sa])){Sn=Tn=0;for(Rg=1;Rg<=a.z[sa];++Rg){Uc=eA(a,sa,a.G[sa][Rg]);if(5==a.i[Uc])continue a;1==a.s[Uc]&&0!=sA(a,Uc,sa)&&++Tn;2==a.s[Uc]&&(Sn=a.G[sa][Rg])}if(0!=Tn)if(0<Sn){var X=a,Uz=sa,Dd=nf,Lb=kf,gb=void 0,Sg=void 0,zb=void 0,Vc=void 0,Ab=void 0,Fj=void 0,Gj=void 0,Hj=void 0,Ac=void 0,Mb=void 0,
+Nb=void 0,Un=void 0,Tg=void 0,Bc=void 0,Ug=void 0,Wc=void 0,Vg=void 0,Vn=void 0,Wg=void 0,Xc=void 0,Vz=void 0,Ed=void 0,Wz=void 0,Wn=void 0,Xg=void 0,Fd=void 0,Nb=1,Sg=Uz,gb=w(C,o,-1,X.t+1,1);for(gb[1]=Uz;;){Un=!1;for(Mb=1;Mb<=X.z[Sg];++Mb)if(zb=X.G[Sg][Mb],!(zb==gb[1]||zb==gb[Nb-1]))if(Vc=eA(X,Sg,zb),2==X.s[Vc]&&5!=X.i[Vc]){Sg=gb[++Nb]=zb;Un=!0;break}if(!Un)break}if(!(0==Nb%2||2>X.z[gb[Nb]]||3<X.z[gb[Nb]])){Fd=gb[1];Ab=gb[~~((Nb+1)/2)];Ac=gb[Nb];Ed=Xc=Wc=Bc=0;Wn=Vn=!1;for(Mb=1;Mb<=X.z[Fd];++Mb)zb=
+X.G[Fd][Mb],Vc=eA(X,Fd,zb),1!=X.s[Vc]||5==X.i[Vc]||(0==Bc?Bc=zb:Wc=zb);0<Dd[Wc]&&Dd[Bc]>Dd[Wc]&&(Fj=Bc,Bc=Wc,Wc=Fj);Tg=Bc;0==Bc&&(Tg=Wc,Vn=!0);for(Mb=1;Mb<=X.z[Ac];++Mb)zb=X.G[Ac][Mb],Vc=eA(X,Ac,zb),1!=X.s[Vc]||5==X.i[Vc]||(0==Xc?Xc=zb:Ed=zb);0<Dd[Ed]&&Dd[Xc]>Dd[Ed]&&(Fj=Xc,Xc=Ed,Ed=Fj);Wg=Xc;0==Xc&&(Wg=Ed,Wn=!0);Ug=sA(X,eA(X,Fd,Bc),Fd);Vg=sA(X,eA(X,Fd,Wc),Fd);Vz=sA(X,eA(X,Ac,Xc),Ac);Wz=sA(X,eA(X,Ac,Ed),Ac);1<(0>Ug+Vg?-(Ug+Vg):Ug+Vg)||0!=Vz||0!=Wz?B(X.n,"Bad stereoinfo on allene !"):(Gj=X.J[gb[Nb-
+1]]-X.J[Ac],Hj=X.M[gb[Nb-1]]-X.M[Ac],Xg=Math.sqrt(Gj*Gj+Hj*Hj),0.001>Xg&&(Xg=0.001),0<(X.M[Wg]-X.M[gb[Nb-1]])*(Gj/Xg)-(X.J[Wg]-X.J[gb[Nb-1]])*(Hj/Xg)?Lb[Ab]=1:Lb[Ab]=-1,Vn&&(Lb[Ab]*=-1),Wn&&(Lb[Ab]*=-1),Tg==Bc&&0>Ug&&(Lb[Ab]*=-1),Tg==Wc&&0>Vg&&(Lb[Ab]*=-1),Dd[Tg]>Dd[Wg]&&(Lb[Ab]*=-1))}}else b:{var hb=a,ib=sa,$A=Rz,aB=nf,bB=n,cB=q,dB=ZA,Ij=kf,Jj=void 0,Ob=void 0,Xn=void 0,of=void 0,ma=void 0,pf=void 0,fc=void 0,Yg=void 0,Cc=void 0,Xa=void 0,W=void 0,Ra=void 0,Yc=void 0,Kj=void 0,Pb=void 0,$=void 0,
+Lj=void 0,Ra=w(C,o,-1,4,1),Kj=w(C,o,-1,4,1),qf=hb,Dc=ib,Xz=aB,Yn=$A,Yz=bB,Zz=cB,eB=dB,Sa=Ra,Zg=void 0,Qb=void 0,Mj=void 0,Nj=void 0,Zn=void 0,$g=void 0,$g=-1;0<Yn[Dc]&&(Sa[++$g]=Yn[Dc]);for(Qb=1;Qb<=eB;++Qb)Yz[Qb]==Dc&&(Sa[++$g]=Zz[Qb]),Zz[Qb]==Dc&&(Sa[++$g]=Yz[Qb]);for(Qb=$g+1;Qb<qf.z[Dc];++Qb){Zn=qf.t+1;Mj=1;c:for(;Mj<=qf.z[Dc];++Mj){Zg=qf.G[Dc][Mj];for(Nj=0;Nj<Qb;++Nj)if(Zg==Sa[Nj])continue c;Xz[Zg]<Zn&&(Zn=Xz[Zg],Sa[Qb]=Zg)}}0==Yn[Dc]&&0<qf.x[Dc]?(Sa[3]=Sa[2],Sa[2]=Sa[1],Sa[1]=Sa[0],Sa[0]=-1):
+0<qf.x[Dc]&&(Sa[3]=Sa[2],Sa[2]=Sa[1],Sa[1]=-1);for(ma=Yg=pf=of=Lj=fc=Xa=0;4>ma;++ma)0>=Ra[ma]||(Jj=eA(hb,ib,Ra[ma]),Kj[ma]=sA(hb,Jj,ib),0<Kj[ma]?(++Xa,Lj=Ra[ma],pf=Ra[ma]):0>Kj[ma]?(++fc,of=Ra[ma],pf=Ra[ma]):Yg=Ra[ma]);Cc=Xa+fc;$=w(C,o,-1,4,1);Pb=0;if(3==hb.z[ib]){if(1==Xa&&1==fc||3==Cc&&0<Xa&&0<fc){B(hb.n,"Error in C3H stereospecification !");break b}Yc=Ra[0];1==Cc?Yc=pf:2==Cc&&(Yc=Yg);W=cA(hb,ib,Yc,Ra);$[0]=pf;$[1]=-1;$[2]=W[2];$[3]=W[1];0<Xa?Pb=1:Pb=-1}else if(4==hb.z[ib])if(1==Cc)W=cA(hb,ib,pf,
+Ra),$[0]=W[0],$[1]=W[3],$[2]=W[2],$[3]=W[1],0<Xa?Pb=1:Pb=-1;else{Yc=Ra[0];1<Yg&&(Yc=Yg);1==Xa?Yc=Lj:1==fc&&(Yc=of);W=cA(hb,ib,Yc,Ra);Ob=w(C,o,-1,4,1);for(ma=0;4>ma;++ma)Jj=eA(hb,ib,W[ma]),Ob[ma]=sA(hb,Jj,ib);if(4==Cc){if(0==Xa||0==fc){B(hb.n,"Error in C4 stereospecification !");break b}if(1==Xa||1==fc)$[0]=W[0],$[1]=W[3],$[2]=W[2],$[3]=W[1],Pb=Ob[0];else{for(ma=0;4>ma;++ma)-1==Ob[ma]&&(Ob[ma]=0);Cc=2}}else if(3==Cc)if(3==Xa||3==fc)$[0]=W[0],$[1]=W[3],$[2]=W[2],$[3]=W[1],0<Xa?Pb=-1:Pb=1;else{1==Xa?
+Xa=Xn=1:fc=Xn=-1;for(ma=0;4>ma;++ma)Ob[ma]==Xn&&(Ob[ma]=0);Cc=2}if(2==Cc)if(1==Xa&&1==fc)W[1]==of?(W[1]=W[2],W[2]=W[3]):W[2]==of&&(W[2]=W[3]),$[0]=Lj,$[1]=of,$[2]=W[2],$[3]=W[1],Pb=1;else{if(Ob[0]==Ob[1]||Ob[1]==Ob[2]){B(hb.n,"Error in C4 stereospecification ! 2/0r");break b}0!=Ob[0]?($[0]=W[0],$[1]=W[2],$[2]=W[1],$[3]=W[3]):($[0]=W[1],$[1]=W[3],$[2]=W[2],$[3]=W[0]);1<Xa?Pb=1:Pb=-1}}var Q=$,ah=Ra,Ha=void 0;ah[0]==Q[1]?(Ha=Q[0],Q[0]=Q[1],Q[1]=Ha,Ha=Q[2],Q[2]=Q[3],Q[3]=Ha):ah[0]==Q[2]?(Ha=Q[2],Q[2]=
+Q[0],Q[0]=Ha,Ha=Q[1],Q[1]=Q[3],Q[3]=Ha):ah[0]==Q[3]&&(Ha=Q[3],Q[3]=Q[0],Q[0]=Ha,Ha=Q[1],Q[1]=Q[2],Q[2]=Ha);ah[1]==Q[2]?(Ha=Q[1],Q[1]=Q[2],Q[2]=Ha,Ha=Q[2],Q[2]=Q[3],Q[3]=Ha):ah[1]==Q[3]&&(Ha=Q[1],Q[1]=Q[3],Q[3]=Ha,Ha=Q[2],Q[2]=Q[3],Q[3]=Ha);$[2]==Ra[2]?Ij[ib]=1:$[2]==Ra[3]?Ij[ib]=-1:B(hb.n,"Error in stereoprocessing ! - t30");Ij[ib]*=Pb}}}Kb=new kx;i=w(C,o,-1,a.t+1,1);for(s=1;s<=a.t;++s)i[b[s]]=s;for(s=1;s<=a.t;++s){c=b[s];Pa[c]&&(Kb.b.b+=ra);0<Rc[s]&&tA(a,c,Rc[c],Kb,Og);var rf=L[c],Ta=void 0,bh=void 0,
+sf=void 0,M=void 0,M=lc,Ta=!1;0!=a.A[c]&&(Ta=!0);0!=kf[c]&&(Ta=!0);sf=-1;for(bh=1;bh<=a.y;++bh)if(a.q[bh][0]==c){sf=a.q[bh][1];break}-1<sf&&(Ta=!0);a.n.qb&&0<a.c[c]&&(Ta=!0,sf=1);switch(a.d[c]){case 2:M=cb;break;case 3:rf?M="c":M=fb;break;case 4:rf?(M="n",0<a.x[c]&&(Ta=!0)):M=Gb;break;case 5:rf?M="o":M=Sb;break;case 7:rf?(M="p",0<a.x[c]&&(Ta=!0)):M=Ub;break;case 8:rf?M="s":M=cc;break;case 13:rf?M="se":M=ec;Ta=!0;break;case 6:M=gc;Ta=!0;break;case 9:M=tb;break;case 10:M=mb;break;case 11:M=eb;break;
+case 12:M=Db;break;case 1:M=Bb;Ta=!0;break;case 19:M=Vb;Ta=!0;break;case 20:M=Wb;Ta=!0;break;case 21:M=Xb;Ta=!0;break;case 22:M=Yb;Ta=!0;break;case 18:Ta=!0,M=a.o[c],(A(M,va)||A(M,pc)||A(M,Za))&&(Ta=!1)}Ta&&(M=mc+M,1==kf[c]?M+=Ya:-1==kf[c]&&(M+="@@"),1==a.x[c]?M+=Bb:1<a.x[c]&&(M+=Bb+a.x[c]),0!=a.A[c]&&(0<a.A[c]?M+=wa:M+=za,1<(0>a.A[c]?-a.A[c]:a.A[c])&&(M+=0>a.A[c]?-a.A[c]:a.A[c])),-1<sf&&(M+=Ma+sf),M+=oc);bk(Kb.b,M);for(K=1;K<=Ad;++K)if(n[K]==c||q[K]==c)d=q[K],d==c&&(d=n[K]),i[c]<i[d]&&tA(a,n[K],
+q[K],Kb,Og),9<K&&(Kb.b.b+="%"),ak(Kb,j+(new P(K)).b);Jn[c]&&(Kb.b.b+=ua)}return Kb.b.b}
+function $x(a,b){var c,d,e,f;f=0;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],c!=b&&d!=b&&(++f,a.H[f]=c,c>b&&--a.H[f],a.I[f]=d,d>b&&--a.I[f],a.s[f]=a.s[e],a.B[f]=a.B[e],a.K[f]=a.K[e],a.N[f]=a.N[e],a.f[f]=a.f[e]);a.u=f;for(e=b;e<a.t;++e){a.d[e]=a.d[e+1];a.A[e]=a.A[e+1];a.J[e]=a.J[e+1];a.M[e]=a.M[e+1];a.x[e]=a.x[e+1];a.c[e]=a.c[e+1];a.e[e]=a.e[e+1];a.z[e]=a.z[e+1];a.o[e]=a.o[e+1];for(f=1;f<=a.z[e];++f)a.G[e][f]=a.G[e+1][f]}--a.t;if(0==a.t)cz(a.n);else{for(e=1;e<=a.t;++e){d=0;for(f=1;f<=a.z[e];++f)c=a.G[e][f],
+c==b?++a.x[e]:(c>b&&--c,a.G[e][++d]=c);a.z[e]=d}e=1;a:for(;e<=a.y;++e)if(a.q[e][0]==b){for(f=e;f<a.y;++f)a.q[f][0]=a.q[f+1][0],a.q[f][1]=a.q[f+1][1];--a.y;break a}for(e=1;e<=a.y;++e)a.q[e][0]>b&&--a.q[e][0]}}
+function ay(a,b){var c,d,e,f;c=a.H[b];d=a.I[b];for(e=b;e<a.u;++e)a.H[e]=a.H[e+1],a.I[e]=a.I[e+1],a.s[e]=a.s[e+1],a.B[e]=a.B[e+1],a.K[e]=a.K[e+1],a.N[e]=a.N[e+1],a.f[e]=a.f[e+1];--a.u;f=0;for(e=1;e<=a.z[c];++e)a.G[c][e]!=d&&(a.G[c][++f]=a.G[c][e]);a.z[c]=f;f=0;for(e=1;e<=a.z[d];++e)a.G[d][e]!=c&&(a.G[d][++f]=a.G[d][e]);a.z[d]=f;c<d&&(f=c,c=d,d=f);0==a.z[c]&&$x(a,c);0==a.z[d]&&$x(a,d)}
+function nA(a){var b,c,d;if(!a.n.E){c=a.t;a:for(;1<=c;--c)if(d=a.G[c][1],1==a.d[c]&&1==a.z[c]&&0==a.A[c]&&1!=a.d[d]&&18>a.d[d]){for(b=1;b<=a.y;++b)if(a.q[b][0]==c)continue a;b=eA(a,c,d);1==a.s[b]&&(0==a.B[b]||!a.n.rb)&&$x(a,c)}}}function kA(a){var b;b=a.d.length;a.G=no([b,7]);a.z=w(C,o,-1,b,1);for(b=1;b<=a.t;++b)a.z[b]=0;for(b=1;b<=a.u;++b)6>a.z[a.H[b]]&&(a.G[a.H[b]][++a.z[a.H[b]]]=a.I[b]),6>a.z[a.I[b]]&&(a.G[a.I[b]][++a.z[a.I[b]]]=a.H[b])}
+function pA(a,b,c){var d,e,f,g,i,h,l,m,n;a.i=w(C,o,-1,a.u+1,1);n=w(mA,t,-1,a.t+1,2);for(h=1;h<=a.t;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.z[h];++d)if(c[eA(a,h,a.G[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.z[h]+a.x[h]))switch(a.d[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.u;++i)1==a.s[i]?a.i[i]=1:lA(a,i)?a.i[i]=2:3==a.s[i]&&(a.i[i]=3);i=1;a:for(;i<=a.u;++i)if(c[i]&&(f=a.H[i],g=a.I[i],n[f]&&n[g])){d=w(mA,t,-1,a.t+1,2);for(h=1;h<=a.z[f];++h)e=a.G[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.t;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.z[h];++l){e=a.G[h][l];if(e==g){b[f]=!0;b[g]=!0;a.i[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function gy(a){var b,c,d;for(d=1;d<=a.u;++d)b=a.H[d],c=a.I[d],a.K[d]=F(E(ex((a.J[b]+a.J[c])/2))),a.N[d]=F(E(ex((a.M[b]+a.M[c])/2)))}function oA(a,b){var c;for(c=1;c<=a.u;++c)nz(a,a.H[c],a.I[c])?b[c]=!1:b[c]=!0}function mz(a,b){var c;c=(Uy(),uw)[a.d[b]];18==a.d[b]&&(c=a.o[b]);return c}
+function lA(a,b){return 2==a.s[b]?!0:!1}function nz(a,b,c){var d,e,f,g;g=1;a.b=w(C,o,-1,a.t+1,1);for(d=1;d<=a.t;++d)a.b[d]=0;for(d=a.b[b]=1;d<=a.z[b];++d)a.G[b][d]!=c&&(a.b[a.G[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.t;++d){f=!1;if(0<a.b[d]&&d!=b)for(e=1;e<=a.z[d];++e)0==a.b[a.G[d][e]]&&(a.b[a.G[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.b[c]}
+function Ez(a){var b,c;a.n.H=!0;if(a.n.qb)a.k=-1,0==a.c[a.D]?a.c[a.D]=4:a.c[a.D]=0;else{for(b=1;b<=a.y;++b)if(a.D==a.q[b][0]){if(-1==a.n.u){for(;b<a.y;++b)a.q[b][0]=a.q[b+1][0],a.q[b][1]=a.q[b+1][1];--a.y}else c=a.n.u,a.n.q&&(a.n.V||++a.r,c=a.r),a.q[b][1]=c;return}b=a.q.length;++a.y>b-1&&(b=no([b+5,2]),lx(a.q,b,a.q.length),a.q=b);a.q[a.y][0]=a.D;c=a.n.u;a.n.q&&(a.n.V||++a.r,c=a.r);a.q[a.y][1]=c}}function sw(a){var b;a.y=0;a.r=0;Jz(a);for(b=1;b<=a.t;++b)a.D=b,Ez(a);a.D=0}
+function vz(a){var b,c;b=w(cy,t,-1,4,1);dy(a,b);c=a.n.y.c;a.n.v||(c-=a.n.O);return b[0]<~~(c/2)-24?1:b[0]>~~(c/2)+24?3:2}function dz(a){a.n.ob=new $y(a);Cw(a.n.ob);a.n.kb=a.n.e}function Hz(a){var b,c,d,e,f;e=f=0;for(d=1;d<=a.u;++d)b=a.J[a.H[d]]-a.J[a.I[d]],c=a.M[a.H[d]]-a.M[a.I[d]],f+=Math.sqrt(b*b+c*c);0<a.u?(f/=a.u,e=25/f):1<a.t&&(e=75/Math.sqrt((a.J[1]-a.J[2])*(a.J[1]-a.J[2])+(a.M[1]-a.M[2])*(a.M[1]-a.M[2])));for(d=1;d<=a.t;++d)a.J[d]*=e,a.M[d]*=e}
+function xz(a,b,c){var d,e,f,g,i;if(0==c.indexOf(mc)&&fx(c,oc))c=c.substr(1,c.length-1-1),a.d[b]=18,a.o[b]=c,a.x[b]=0;else{f=!1;-1<c.indexOf(xa)&&(f=!0);-1<c.indexOf(";")&&(f=!0);-1<c.indexOf(pa)&&(f=!0);-1<c.indexOf("!")&&(f=!0);d=c.indexOf(Ma);e=c.indexOf(Bb);g=lh(c.indexOf(wa),c.indexOf(za));if(-1<d){i=dq(c,d+1);try{a.n.u=rw(i,10)}catch(h){if(h=Bk(h),z(h,53))a.n.u=0;else throw h;}a.D=b;Ez(a);c=c.substr(0,d-0);a.D=0}if(f)a.o[b]=c,a.d[b]=18,a.x[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
+g-0));a.d[b]=A(d,fb)?3:A(d,cb)?2:A(d,Gb)?4:A(d,Sb)?5:A(d,Ub)?7:A(d,cc)?8:A(d,tb)?9:A(d,mb)?10:A(d,eb)?11:A(d,Db)?12:A(d,Bb)?1:A(d,ec)?13:A(d,gc)?6:A(d,Vb)?19:A(d,Wb)?20:A(d,Xb)?21:A(d,Yb)?22:18;18==a.d[b]&&(a.o[b]=d);c+=k;d=0;0<e&&(d=1,e=Nw(c,++e),48<=e&&57>=e&&(d=e-48));18==a.d[b]&&(a.x[b]=d);d=0;if(0<g&&(e=Nw(c,g++),43==e?d=1:45==e&&(d=-1),0!=d&&(e=Nw(c,g++),!(48<=e&&57>=e)))){for(;43==e;)++d,e=Nw(c,g++);for(;45==e;)--d,e=Nw(c,g++)}a.A[b]=d}}}
+function ww(a,b,c){var d,e;a.k=1;c&&(a.k=-1);b=new hw(b);try{for(;b.k=aw(b,b.b),b.k<b.j;)d=ax(rw(dw(b),10)).b,c=e=ax(rw(dw(b),10)).b,(0>c||6<c)&&(c=0),a.c[d]=c}catch(f){if(f=Bk(f),z(f,53))Zj(f);else throw f;}}function tA(a,b,c,d,e){b=eA(a,b,c);5!=a.i[b]&&lA(a,b)?d.b.b+=Qa:3==a.s[b]?d.b.b+=pa:9==a.s[b]?(e=Va,a=a.f[b],null!=a&&(e=a),bk(d.b,e)):1==e[b]?d.b.b+="/":-1==e[b]&&(d.b.b+=nc)}
+function Fz(a,b){var c,d;if(1==a.s[b])if(c=a.H[b],d=a.I[b],2>a.z[c]&&2>a.z[d])a.B[b]=0,B(a.n,"Stereomarking meaningless on this bond !");else switch(a.B[b]){case 0:a.z[d]<=a.z[c]?a.B[b]=1:a.B[b]=3;break;case 1:a.B[b]=2;break;case 2:2<a.z[d]?a.B[b]=3:a.B[b]=1;break;case 3:a.B[b]=4;break;case 4:2<a.z[c]?a.B[b]=1:a.B[b]=3}else 2==a.s[b]?10==a.B[b]?a.B[b]=0:a.B[b]=10:B(a.n,"Stereomarking allowed only on single and double bonds!")}
+function rA(a,b,c,d,e){var f,g,i,h,l,m,n,q,s;if(!(2!=a.s[b]||5==a.i[b])&&(10==a.B[b]||a.n.p&&!e[b]))if(e=a.H[b],f=a.I[b],!(2>a.z[e]||2>a.z[f]||3<a.z[e]||3<a.z[f])){c[e]>c[f]&&(g=e,e=f,f=g);n=m=b=0;q=!1;for(l=1;l<=a.z[e];++l)g=a.G[e][l],g!=f&&(0==m?m=g:n=g);0<n&&c[m]>c[n]&&(g=m,m=n,n=g);h=eA(a,e,m);0!=d[h]?b=m:1==a.s[h]&&5!=a.i[h]&&(b=m);0==b&&(h=eA(a,e,n),0!=d[h]?b=n:1==a.s[h]&&5!=a.i[h]&&(b=n));c[b]>c[e]&&(q=!0);i=n=m=0;for(l=1;l<=a.z[f];++l)g=a.G[f][l],g!=e&&(0==n?n=g:i=g);0<i&&c[n]<c[i]&&(g=n,
+n=i,i=g);h=eA(a,f,n);1==a.s[h]&&5!=a.i[h]&&0==d[h]&&(m=n);0==m&&(h=eA(a,f,i),1==a.s[h]&&5!=a.i[h]&&(m=i));if(!(0==b||0==m))if(h=a.J[f]-a.J[e],g=a.M[f]-a.M[e],l=Math.sqrt(h*h+g*g),0.001>l&&(l=0.001),g/=l,h/=l,n=(a.M[b]-a.M[e])*h-(a.J[b]-a.J[e])*g,s=(a.M[m]-a.M[e])*h-(a.J[m]-a.J[e])*g,2>(0>=n?0-n:n)||2>(0>=s?0-s:s))B(a.n,"Not unique E/Z geometry !");else{i=eA(a,b,e);f=eA(a,m,f);m=1;if(0==d[i]){for(l=1;l<=a.z[b];++l)if(g=a.G[b][l],g!=e&&(h=eA(a,b,g),0!=d[h])){c[g]>c[b]?m=-d[h]:m=d[h];break}d[i]=m}0==
+d[f]&&(0<n&&0<s||0>n&&0>s?d[f]=-d[i]:d[f]=d[i],q&&(d[f]=-d[f]))}}}function jA(a,b){var c,d,e;e=0;for(d=1;d<=a.z[b];++d)if(c=eA(a,b,a.G[b][d]),1==a.s[c])e+=1;else if(lA(a,c))e+=2;else if(3==a.s[c])e+=3;else if(9==a.s[c])return-1;return e}function sA(a,b,c){var d;d=a.B[b];return 1>d||4<d?0:1==d&&a.H[b]==c?1:2==d&&a.H[b]==c?-1:3==d&&a.I[b]==c?1:4==d&&a.I[b]==c?-1:0}
+function hy(a){var b;for(b=1;b<=a.t;++b){var c=a,d=b,e=void 0,e=jA(c,d);if(-1==e)c.x[d]=0;else{switch(c.d[d]){case 1:2==e?c.A[d]=1:c.A[d]=0;c.x[d]=0;break;case 2:3==e||5==e?(c.x[d]=0,c.A[d]=0):3>e?c.x[d]=3-e-c.A[d]:4==e?(c.A[d]=-1,c.x[d]=0):5<e&&(c.A[d]=e-5,c.x[d]=0);break;case 3:case 6:4>e?0<c.A[d]?c.x[d]=2-e+c.A[d]:0>c.A[d]?c.x[d]=2-e-c.A[d]:c.x[d]=4-e:(c.A[d]=e-4,c.x[d]=4-e+c.A[d]);break;case 4:case 7:3>e?c.x[d]=3-e+c.A[d]:3==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:(c.A[d]=
+4==e?1:6==e?-1:e-5,c.x[d]=0);break;case 5:2==e&&(0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0);2<e&&(c.A[d]=e-2);c.x[d]=2-e+c.A[d];break;case 8:case 13:2>e?c.x[d]=2-e+c.A[d]:2==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:3==e?2==c.z[d]?(c.A[d]=0,c.x[d]=1):(c.A[d]=1,c.x[d]=0):4==e?(c.A[d]=0,c.x[d]=0):5==e?(c.A[d]=0,c.x[d]=1):(c.A[d]=e-6,c.x[d]=0);break;case 9:case 10:case 11:case 12:1<=e&&(c.A[d]=e-1);c.x[d]=1-e+c.A[d];2<e&&(c.A[d]=0,c.x[d]=0);break;case 19:case 18:c.x[d]=
+0}0>c.x[d]&&(c.x[d]=0)}}}function ez(a){bA(this);this.n=a;this.y=this.u=this.t=0}
+function Mz(a,b){var c,d,e,f,g,i,h;ez.call(this,a);f=j;i=Kz(b);h=new gw(b,i,!0);for(e=1;4>=e;++e)f=Lz(h,i);g=ax(rw(Fk(f.substr(0,3)),10)).b;c=ax(rw(Fk(f.substr(3,3)),10)).b;for(e=1;e<=g;++e)Gz(this),f=Lz(h,i),this.J[e]=(new Zw(Ww(Fk(f.substr(0,10))))).b,this.M[e]=-(new Zw(Ww(Fk(f.substr(10,10))))).b,d=34,34>f.length&&(d=f.length),d=Fk(f.substr(31,d-31)),xz(this,e,d),62<=f.length&&(f=Fk(f.substr(60,3)),0<f.length&&(f=ax(rw(f,10)).b,0<f&&(this.D=e,a.u=f,Ez(this),this.D=0)));for(e=1;e<=c;++e)fy(this),
+f=Lz(h,i),this.H[e]=ax(rw(Fk(f.substr(0,3)),10)).b,this.I[e]=ax(rw(Fk(f.substr(3,3)),10)).b,g=ax(rw(Fk(f.substr(6,3)),10)).b,1==g?this.s[e]=1:2==g?this.s[e]=2:3==g?this.s[e]=3:this.s[e]=9,d=0,11<f.length&&(d=ax(rw(Fk(f.substr(9,3)),10)).b),1==g&&1==d&&(this.s[e]=1,this.B[e]=1),1==g&&6==d&&(this.s[e]=1,this.B[e]=2);kA(this);Hz(this);bz(this);for(Cw(this);(h.k=aw(h,h.b),h.k<h.j)&&!(null==(f=dw(h)));){if(0==f.indexOf("M  END"))break;if(0==f.indexOf("M  CHG")){g=new fw(f);dw(g);dw(g);i=ax(rw(dw(g),10)).b;
+for(e=1;e<=i;++e)c=ax(rw(dw(g),10)).b,this.A[c]=ax(rw(dw(g),10)).b}if(0==f.indexOf("M  APO")){g=new fw(f);dw(g);dw(g);i=ax(rw(dw(g),10)).b;for(e=1;e<=i;++e)c=ax(rw(dw(g),10)).b,f=ax(rw(dw(g),10)).b,this.D=c,V(this,0),xz(this,this.t,Vb+f),this.D=0}}nA(this);Cw(this)}
+function Bw(a,b){var c,d,e,f,g;ez.call(this,a);0==b.indexOf(da)&&(b=b.substr(1,b.length-1));fx(b,da)&&(b=b.substr(0,b.length-1-0));if(1>b.length)this.t=0;else{try{f=new fw(b);d=ax(rw(dw(f),10)).b;e=ax(rw(dw(f),10)).b;for(c=1;c<=d;++c)g=dw(f),Gz(this),xz(this,this.t,g),this.J[c]=(new Zw(Ww(dw(f)))).b,this.M[c]=-(new Zw(Ww(dw(f)))).b;for(c=1;c<=e;++c)if(fy(this),this.H[c]=ax(rw(dw(f),10)).b,this.I[c]=ax(rw(dw(f),10)).b,this.s[c]=ax(rw(dw(f),10)).b,-1==this.s[c])this.s[c]=1,this.B[c]=1;else if(-2==this.s[c])this.s[c]=
+1,this.B[c]=2;else if(-5==this.s[c])this.s[c]=2,this.B[c]=10;else if(11==this.s[c]||12==this.s[c]||13==this.s[c]||14==this.s[c])this.B[c]=this.s[c],this.s[c]=9;kA(this);Hz(this);bz(this)}catch(i){i=Bk(i);if(z(i,53)){i.$b();this.t=0;return}throw i;}nA(this);Cw(this)}}
+function Oz(a,b,c){var d,e,f;ez.call(this,a);f=w(C,o,-1,b.t+1,1);for(a=1;a<=b.t;++a)b.b[a]==c&&(Gz(this),this.d[this.t]=b.d[a],this.J[this.t]=b.J[a],this.M[this.t]=b.M[a],this.A[this.t]=b.A[a],this.x[this.t]=b.x[a],this.c[this.t]=b.c[a],this.e[this.t]=b.e[a],this.o[this.t]=b.o[a],f[a]=this.t);for(a=1;a<=b.u;++a)if(d=b.H[a],e=b.I[a],!(b.b[d]!=c&&b.b[e]!=c)&&!(b.b[d]!=c||b.b[e]!=c))fy(this),this.s[this.u]=b.s[a],this.B[this.u]=b.B[a],this.H[this.u]=f[d],this.I[this.u]=f[e],this.f[this.u]=b.f[a];for(a=
+1;a<=b.y;++a)d=b.q[a][0],d==c&&(++this.y,this.q[this.y][0]=f[d],this.q[this.y][1]=b.q[a][1]);this.k=b.k;Cw(this);bz(this)}
+function Az(a,b,c){var d,e,f,g,i;ez.call(this,a);for(a=1;a<=c;++a)this.t+=b[a].t,this.u+=b[a].u,this.y+=b[a].y;this.d=w(C,o,-1,this.t+1,1);this.A=w(C,o,-1,this.t+1,1);this.x=w(C,o,-1,this.t+1,1);this.c=w(C,o,-1,this.t+1,1);this.e=w(yo,t,1,this.t+1,0);this.J=w(cy,t,-1,this.t+1,1);this.M=w(cy,t,-1,this.t+1,1);this.o=w(yo,t,1,this.t+1,0);this.H=w(C,o,-1,this.u+1,1);this.I=w(C,o,-1,this.u+1,1);this.s=w(C,o,-1,this.u+1,1);this.f=w(yo,t,1,this.u+1,0);this.B=w(C,o,-1,this.u+1,1);this.q=no([this.y+1,2]);
+f=i=g=e=0;for(a=1;a<=c;++a){for(d=1;d<=b[a].t;++d)++e,this.d[e]=b[a].d[d],this.J[e]=b[a].J[d],this.M[e]=b[a].M[d],this.A[e]=b[a].A[d],this.x[e]=b[a].x[d],this.c[e]=b[a].c[d],this.e[e]=b[a].e[d],this.o[e]=b[a].o[d];for(d=1;d<=b[a].u;++d)++g,this.s[g]=b[a].s[d],this.B[g]=b[a].B[d],this.H[g]=b[a].H[d]+f,this.I[g]=b[a].I[d]+f,this.f[g]=b[a].f[d];for(d=1;d<=b[a].y;++d)++i,this.q[i][0]=b[a].q[d][0]+f,this.q[i][1]=b[a].q[d][1];f=e}Cw(this);bz(this)}
+function $y(a){var b;bA(this);this.n=a.n;this.t=a.t;this.u=a.u;this.y=a.y;this.d=w(C,o,-1,this.t+1,1);lx(a.d,this.d,this.t+1);this.A=w(C,o,-1,this.t+1,1);lx(a.A,this.A,this.t+1);this.x=w(C,o,-1,this.t+1,1);lx(a.x,this.x,this.t+1);this.c=w(C,o,-1,this.t+1,1);lx(a.c,this.c,this.t+1);this.e=w(yo,t,1,this.t+1,0);lx(a.e,this.e,this.t+1);this.J=w(cy,t,-1,this.t+1,1);lx(a.J,this.J,this.t+1);this.M=w(cy,t,-1,this.t+1,1);lx(a.M,this.M,this.t+1);this.o=w(yo,t,1,this.t+1,0);lx(a.o,this.o,this.t+1);this.H=w(C,
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+function qy(a){var b,c,d;a.Y&&(d=a.A.b,c=a.y.c-a.O,b=a.O,$(d,by),ku(d,0,0,c,b),$(d,cy),Z(d,0,0,c-1-2,0),$(d,Lt(by)),Z(d,0,b-1,c-1,b-1),Z(d,c-1,0,c-1,b-1),Gx(d,a.M),$(d,(xt(),Dt)),0==a.B.indexOf("E")&&$(d,Et),Fx(d,a.B,10,15),Yw(a.wb,a.A,a.O,a.y.b-a.O))}function ry(a){var b,c,d;if(a.Z){d=a.G.b;c=a.O;b=a.y.b-2*a.O;$(d,by);ku(d,0,0,c,b);$(d,cy);Z(d,0,0,0,b-1);Z(d,0,uv*a.O,b-1,uv*a.O);$(d,Lt(by));Z(d,c-1,0,c-1,b-1-a.O);Z(d,0,b-1,c-1,b-1);for(b=3;b<=uv+2;++b)my(a,d,1,b);Yw(a.wb,a.G,0,2*a.O)}}
+function sy(a){var b,c,d,e;if(a.$){e=a.T.b;c=a.y.c-a.O;b=a.y.b-3*a.O;$(e,a.s);ku(e,0,0,c,b);for(d=1;d<=a.bb;++d){var f=a.U[d],g=e,i=void 0,h=void 0,l=void 0,m=void 0,n=void 0,q=m=n=void 0,s=void 0,M=h=n=i=n=i=void 0,G=l=void 0,L=void 0,T=q=void 0,Pa=s=n=G=void 0,O=q=void 0,ha=L=void 0,Va=M=h=i=M=h=T=ha=q=q=void 0,Pa=O=l=n=l=void 0,m=s=1,Pa=2,L=3;f.w&&(iy(f),hy(f.n,1,f.n.bb,0),f.w=!1);1!=f.n.x&&(Pa*=f.n.x,L*=f.n.x,i=1,0.7>f.n.x&&(i=1.2),i=F(10*f.n.x*i),f.n.k=new au(yb,0,i),f.n.n=null);f.n.w&&($(g,
+(xt(),Dt)),Ex(g,0,0,f.n.y.c-1,f.n.y.b-1));if(0!=f.t){if(-1==f.k){n=I(H(Math.round(12*Pa)));for(i=1;i<=f.t;++i)0<f.c[i]&&7>f.c[i]&&($(g,(ay(),ey)[f.c[i]]),l=g,h=F(f.J[i]-n/2),M=F(f.M[i]-n/2),q=ha=n,Bx(l,!0),zx(l,Cx(l,h,M,ha,q)));for(i=1;i<=f.u;++i)h=f.H[i],l=f.I[i],0!=f.c[h]&&f.c[h]==f.c[l]&&($(g,(ay(),ey)[f.c[h]]),q=f.J[l]-f.J[h],s=f.M[l]-f.M[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,O=3*L*s,q=3*L*m,M=x(E,o,-1,4,1),n=x(E,o,-1,4,1),M[0]=F(f.J[h]+O),n[0]=F(f.M[h]-q),M[1]=F(f.J[l]+O),n[1]=F(f.M[l]-
+q),M[2]=F(f.J[l]-O),n[2]=F(f.M[l]+q),M[3]=F(f.J[h]-O),n[3]=F(f.M[h]+q),l=g,h=M,Bx(l,!0),zx(l,Jx(l,h,n,4,!0)))}for(i=1;i<=f.u;++i){$(g,(xt(),Dt));h=f.H[i];l=f.I[i];1==f.k&&0!=f.c[h]&&f.c[h]==f.c[l]&&$(g,(ay(),ey)[f.c[h]]);if(3==f.B[i]||4==f.B[i])n=h,h=l,l=n;ha=f.J[h];M=f.M[h];h=f.J[l];l=f.M[l];if(1!=f.s[i]||0!=f.B[i])q=h-ha,s=l-M,m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m;switch(f.s[i]){case 2:10<=f.B[i]&&$(g,Ht);O=Pa*s;q=Pa*m;Z(g,I(H(Math.round(ha+O))),I(H(Math.round(M-q))),I(H(Math.round(h+O))),
+I(H(Math.round(l-q))));Z(g,I(H(Math.round(ha-O))),I(H(Math.round(M+q))),I(H(Math.round(h-O))),I(H(Math.round(l+q))));$(g,Dt);break;case 3:n=I(H(Math.round(ha)));M=I(H(Math.round(M)));h=I(H(Math.round(h)));l=I(H(Math.round(l)));Z(g,n,M,h,l);q=I(H(Math.round(L*s)));ha=I(H(Math.round(L*m)));Z(g,n+q,M-ha,h+q,l-ha);Z(g,n-q,M+ha,h-q,l+ha);break;case 9:case 0:for(G=0;10>G;++G)T=ha-(ha-h)/10*G,Va=M-(M-l)/10*G,Z(g,I(H(Math.round(T))),I(H(Math.round(Va))),I(H(Math.round(T))),I(H(Math.round(Va))));Gx(g,f.n.k);
+n=cu(f.n.n.d).b;q=f.f[i];O=Ua;null!=q&&(O=q);q=Hu(f.n.n,O);h=I(H(Math.round((ha+h)/2-q/2)));l=I(H(Math.round((M+l)/2+~~(n/2)-1)));$(g,Ht);Fx(g,O,h,l);$(g,Dt);break;default:if(1==f.B[i]||3==f.B[i])O=L*s,q=L*m,T=x(E,o,-1,3,1),G=x(E,o,-1,3,1),T[0]=I(H(Math.round(h+O))),G[0]=I(H(Math.round(l-q))),T[1]=I(H(Math.round(ha))),G[1]=I(H(Math.round(M))),T[2]=I(H(Math.round(h-O))),G[2]=I(H(Math.round(l+q))),n=g,l=T,h=G,Bx(n,!0),zx(n,Jx(n,l,h,3,!0));else if(2==f.B[i]||4==f.B[i]){O=L*s;q=L*m;for(G=0;10>G;++G)T=
+ha-(ha-h)/10*G,Va=M-(M-l)/10*G,n=G/10,Z(g,I(H(Math.round(T+O*n))),I(H(Math.round(Va-q*n))),I(H(Math.round(T-O*n))),I(H(Math.round(Va+q*n))))}else Z(g,I(H(Math.round(ha))),I(H(Math.round(M))),I(H(Math.round(h))),I(H(Math.round(l))))}}Gx(g,f.n.k);n=cu(f.n.n.d).b;Pa=x(Ln,u,1,f.t+1,0);for(i=1;i<=f.t;++i)O=ty(f,i),3==f.d[i]&&0<f.z[i]&&0==f.A[i]?Pa[i]=O:(f.n.mb&&(0<f.x[i]&&(O+=sb),1<f.x[i]&&(O+=f.x[i])),0!=f.A[i]&&(1<(0>f.A[i]?-f.A[i]:f.A[i])&&(O+=0>f.A[i]?-f.A[i]:f.A[i]),0<f.A[i]?O+=xa:O+=Aa),Pa[i]=O,
+(null==O||1>O.length)&&(O=wa),q=Hu(f.n.n,O),h=I(H(U(f.J[i]-q/2))),l=I(H(U(f.M[i]+~~(n/2)-1))),$(g,f.n.s),-1==f.k&&0!=f.c[i]&&$(g,(ay(),ey)[f.c[i]]),ku(g,h-1,l-n+2,q+1,n-1),1==f.k?0!=f.c[i]?$(g,(ay(),ey)[f.c[i]]):$(g,(xt(),Dt)):$(g,(ay(),Av)[f.d[i]]),Fx(g,O,h,l));for(G=1;G<=f.y;++G)i=f.q[G][0],q=Hu(f.n.n,Pa[i]),h=I(H(U(f.J[i]-q/2))),l=I(H(U(f.M[i]+~~(n/2)-1))),$(g,(xt(),Ht)),Fx(g,k+f.q[G][1],h+q,l);if(0<f.D||0<f.E)if($(g,104==f.n.c?(xt(),Et):(xt(),Jt)),0<f.D&&106!=f.n.c&&(q=Hu(f.n.n,Pa[f.D]),Ex(g,
+I(H(U(f.J[f.D]-q/2-1))),I(H(U(f.M[f.D]-n/2-1))),q+2,n+2)),0<f.E&&(h=f.H[f.E],l=f.I[f.E],q=f.J[l]-f.J[h],s=f.M[l]-f.M[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,O=(L+1)*s,q=(L+1)*m,T=x(E,o,-1,5,1),G=x(E,o,-1,5,1),T[0]=I(H(U(f.J[h]+O))),T[1]=I(H(U(f.J[l]+O))),G[0]=I(H(U(f.M[h]-q))),G[1]=I(H(U(f.M[l]-q))),T[3]=I(H(U(f.J[h]-O))),T[2]=I(H(U(f.J[l]-O))),G[3]=I(H(U(f.M[h]+q))),G[2]=I(H(U(f.M[l]+q))),T[4]=T[0],G[4]=G[0],106!=f.n.c&&(L=g,i=T,s=G,Bx(L,!1),zx(L,Jx(L,i,s,5,!0))),106==f.n.c&&uy(f,f.H[f.E],
+f.I[f.E]))){L=0;for(i=1;i<=f.t;++i)0<f.b[i]&&++L;if(L>~~(f.t/2))for(i=1;i<=f.t;++i)0<f.b[i]?f.b[i]=0:f.b[i]=1;$(g,(xt(),Et));for(i=1;i<=f.t;++i)0<f.b[i]&&(q=Hu(f.n.n,Pa[i]),Ex(g,I(H(U(f.J[i]-q/2-1))),I(H(U(f.M[i]-n/2-1))),q+2,n+2))}}}a.v||($(e,Lt(by)),Z(e,c-1,0,c-1,b-1),$(e,by),Z(e,c-2,0,c-2,b-1),$(e,cy),Z(e,c-3,0,c-3,b-1));a.ib&&(d=~~((c-48)/2),$(e,(xt(),Ht)),Z(e,d,~~(b/2),d+48,~~(b/2)),Z(e,d+48,~~(b/2),d+48-6,~~(b/2)+6),Z(e,d+48,~~(b/2),d+48-6,~~(b/2)-6));a.v&&(a.I=new au(yb,0,10),a.L=new Gu(a.I),
+null!=a.S&&(d=Hu(a.L,a.S),c=I(H(Math.round((c-d)/2))),b-=10,$(e,(xt(),Dt)),Gx(e,a.I),Fx(e,a.S,c,b)));Yw(a.wb,a.T,a.O,2*a.O)}}
+function py(a,b,c,d,e){var f,g,i,h,l;f=~~(a.O/4);g=!1;h=x(E,o,-1,9,1);l=x(E,o,-1,9,1);c+=~~(a.O/2);d+=~~(a.O/2);a=~~(a.O/2)-~~(f/2);1==e&&(e=6,g=!0);for(f=0;f<=e;++f)i=6.283185307179586/e*(f-0.5),h[f]=F(c+a*Math.sin(i)),l[f]=F(d+a*Math.cos(i));f=e+1;Bx(b,!1);zx(b,Jx(b,h,l,f,2<f));if(g){for(f=0;f<=e;++f)i=6.283185307179586/e*(f-0.5),h[f]=F(c+(a-3)*Math.sin(i)),l[f]=F(d+(a-3)*Math.cos(i));Z(b,h[0],l[0],h[1],l[1]);Z(b,h[2],l[2],h[3],l[3]);Z(b,h[4],l[4],h[5],l[5])}}
+function vy(a){var b,c,d;if(a._){d=a.tb.b;c=a.y.c;b=2*a.O;$(d,by);ku(d,0,0,c,b);$(d,Lt(by));Z(d,c-1,0,c-1,b-1);Z(d,0,b-1,c-1-2,b-1);$(d,cy);Z(d,0,0,c-1,0);Z(d,12*a.O,0,12*a.O,b-1);for(b=1;12>=b;++b)my(a,d,b,1),my(a,d,b,2);Yw(a.wb,a.tb,0,0)}}function wy(a,b){D(a,j);jy(a);a.pb+=b;a.P=new gy(Mo(a.Q.b,a.pb));Jv(a.P);iy(a.P);a.bb=1;a.e=1;a.U[1]=a.P;a.$=!0;xv(a);a.ob=null}function D(a,b){C(b,a.B)?a.Y=!1:(a.Y=!0,a.B=b)}
+function dm(a,b){var c,d;if(0!=b){lx(a);c=a.c;a.c=b;if(300>=b)switch(a._=!0,a.Z=!0,b){case 102:jy(a);break;case 110:a.$=!0;a.c=c;a.ob?a.f&&(a.kb=++a.bb,a.e=a.bb,a.f=!1):(a.e=a.bb,jy(a));if(!a.ob)break;a.P=new gy(a.ob);Jv(a.P);a.U[a.kb]=a.P;break;case 152:d=a.Q.b.c;a.c=c;0==d?D(a,Db):0==a.pb?D(a,"Bottom of molstack reached"):wy(a,-1);break;case 151:d=a.Q.b.c;a.c=c;0==d?D(a,Db):a.pb==d-1?D(a,"Top of molstack reached"):wy(a,1);break;case 101:a.nb&&a.nb.Ob&&(am(),xy=es(a.nb),a.nb=null);a.nb=new yy(1,
+a);a.c=c;break;case 107:a.gb&&a.gb.Ob&&(zy=es(a.gb),a.gb=null);a.gb=new Ay(a);break;case 112:a.b&&a.b.Ob&&(am(),By=es(a.b),a.b=null);a.b=new yy(0,a);a.c=c;break;case 103:a.$=!0;a.ab=!0;a.c=c;break;case 105:a.$=!0;a.q&&a.V&&(a.V=!1,zv(a.P),a.c=c);a.u=1;break;case 111:ev();case 109:a.c=c;c=Cy(a.P);if(2==c){D(a,"Copying the agent not possible !");break}c=x(jx,u,-1,4,1);kx(a.P,c);a.$=!0;a.P=new gy(a.P);c=F(~~((a.y.c-a.O)/2)-c[0]);for(d=1;d<=a.P.t;++d)a.P.J[d]+=2*c;Jv(a.P);a.U[++a.bb]=a.P;a.e=a.bb;break;
+case 104:0<a.P.D?(a.$=!0,ky(a.P),gx(a.P,a.P.D),a.P.D=0):0<a.P.E&&(a.$=!0,ky(a.P),hx(a.P,a.P.E),a.P.E=0),ox(a.P)}else{a.Z=!0;a._=!0;switch(b){case 301:a.d=3;break;case 401:a.d=4;break;case 501:a.d=5;break;case 701:a.d=9;break;case 801:a.d=10;break;case 901:a.d=11;break;case 1001:a.d=12;break;case 601:a.d=8;break;case 1101:a.d=7;break;case 1300:a.d=1;break;case 1201:a.o&&a.o.Ob&&(am(),Dy=es(a.o),a.o=null);0==a.P.D&&(a.o=new yy(2,a));a.d=18;break;case 1301:a.d=19;break;case 1302:a.d=20;break;case 1303:a.d=
+21;break;case 1304:a.d=22}0<a.P.D&&(a.$=!0,a.d!=a.P.d[a.P.D]&&18!=a.d&&(ky(a.P),a.P.d[a.P.D]=a.d,a.P.A[a.P.D]=0,a.P.x[a.P.D]=0),18==a.d&&(c=qk((am(),bm).Kb.b.K,vf),Ey(a.P,a.P.D,c)),ox(a.P))}xv(a)}}
+function Zl(a){var b,c,d;d=Kv(a);c=j;if(a.ib){var e,f,g;g=An([4,a.bb+1]);for(f=1;3>=f;++f){e=0;for(b=1;b<=a.bb;++b)Cy(a.U[b])==f&&(g[f][++e]=b);g[f][0]=e}c=c+"$RXN\n\n\nJME Molecular Editor\n"+(Fy(g[1][0],3)+Fy(g[3][0],3)+aa);for(b=1;b<=g[1][0];++b)c+=ra+Gy(a.U[g[1][b]],d);for(b=1;b<=g[3][0];++b)c+=ra+Gy(a.U[g[3][b]],d)}else 1<a.bb&&(a.P=new Hy(a,a.U,a.bb)),c=Gy(a.P,d),1<a.bb&&(a.P=a.U[a.e]);return c}
+function ex(a,b,c,d){var e;if(4==b.f)b=a.t.b,a=es(a),c+=a.b,d+=a.c,Zp(b.b,c,d),$p(b.b);else if(!a.v)if(a.Y=!1,a.ub=c-a.O,a.vb=d-2*a.O,D(a,j),a.V=ix(b),a.W=!1,c<a.O||d<2*a.O){e=0;for(b=1;12>=b;++b)if(c<b*a.O){e=b;break}c=0;for(b=1;b<=uv+2;++b)if(d<b*a.O){c=b;break}0==e||0==c||(d=100*c+e,111==d||!a.fb&&107==d||!a.rb&&201==d||!a.X&&103==d||!a.db&&!a.q&&105==d||!a.ib&&109==d||dm(a,d))}else if(!(d>a.y.b-a.O-1)){a.W=!0;c-=a.O;d-=2*a.O;if(0<a.P.D)if(104==a.c)ky(a.P),gx(a.P,a.P.D),a.P.D=0;else{if(106==a.c)return;
+if(108==a.c)Iy(a.P,a.P.D,0);else if(157==a.c)Iy(a.P,a.P.D,1);else if(158==a.c)Iy(a.P,a.P.D,-1);else if(202==a.c||203==a.c||204==a.c||201==a.c||205==a.c)ky(a.P),a.F=1,Y(a.P,0),a.P.F=a.P.D,205==a.c&&(a.P.v=1,a.P.j[1]=a.P.t,a.P.j[0]=a.P.D,a.P.E=0);else if(206<=a.c&&229>=a.c)ky(a.P),a.F=2,Jy(a.P);else if(230==a.c)ky(a.P),a.F=3;else if(233<=a.c&&260>a.c)ky(a.P),Ky(a.P,!1),a.F=3;else if(107==a.c){if(a.gb.c)return;Ey(a.P,a.P.D,qk(a.gb.e.Kb.b.K,vf))}else if(105==a.c)Ly(a.P);else if(300<a.c&&(a.d!=a.P.d[a.P.D]||
+18==a.d))ky(a.P),a.P.d[a.P.D]=a.d,a.P.A[a.P.D]=0,a.P.x[a.P.D]=0,18==a.d&&(d=qk((am(),bm).Kb.b.K,vf),1>d.length&&(d=jc),Ey(a.P,a.P.D,d))}else if(0<a.P.E)if(104==a.c)ky(a.P),hx(a.P,a.P.E),a.P.E=0;else if(106==a.c){ky(a.P);d=a.P;c=a.P.E;if(0<d.b[d.H[c]]&&0<d.b[d.I[c]])D(d.n,"Removal of substituent not possible.");else for(;;){c=0;for(b=d.t;1<=b;--b)0<d.b[b]&&b>c&&(c=b);if(0==c)break;gx(d,c);d.b[c]=0}a.P.E=0}else if(201==a.c)My(a.P,a.P.E);else if(202==a.c||205==a.c)1==a.P.s[a.P.E]&&0==a.P.B[a.P.E]?a.P.s[a.P.E]=
+2:a.P.s[a.P.E]=1,a.P.B[a.P.E]=0;else if(203==a.c)a.P.s[a.P.E]=2,a.P.B[a.P.E]=0;else if(204==a.c)a.P.s[a.P.E]=3,a.P.B[a.P.E]=0;else if(206<=a.c&&229>=a.c)ky(a.P),a.F=2,Jy(a.P);else if(107==a.c){if(!a.gb.c)return;d=qk(a.gb.e.Kb.b.K,vf);a.P.s[a.P.E]=9;a.P.f[a.P.E]=d}else 105==a.c&&D(a,"Only atoms may be marked !");else if(0==a.bb||a.ab){if(201>=a.c)return;++a.bb;a.e=a.bb;a.U[a.bb]=new ly(a);a.P=a.U[a.bb];a.ab=!1;a.ob=null;202<=a.c&&204>=a.c||205==a.c?(Ny(a.P),a.P.u=0,a.P.z[1]=0,a.P.J[1]=c,a.P.M[1]=d,
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+function Ky(a,b){var c;a.F=a.D;c=0;if(233==a.n.c||237==a.n.c||236==a.n.c||239==a.n.c||251==a.n.c||252==a.n.c)Y(a,0),a.D=a.t,a.p=!0,Y(a,0),a.p=!1,a.D=a.t-1,Y(a,0),a.D=a.t-2,Y(a,0),237==a.n.c&&(a.d[a.t]=10,a.d[a.t-1]=10,a.d[a.t-2]=10),236==a.n.c&&(a.d[a.t]=9,a.d[a.t-1]=9,a.d[a.t-2]=9),239==a.n.c&&(a.d[a.t]=5,a.d[a.t-1]=5,a.d[a.t-2]=5,a.d[a.t-3]=8,a.s[a.u]=2,a.s[a.u-1]=2),252==a.n.c&&(a.d[a.t]=5,a.d[a.t-1]=5,a.d[a.t-2]=4,a.d[a.t-3]=8,a.s[a.u]=2,a.s[a.u-1]=2),251==a.n.c&&(a.d[a.t]=5,a.d[a.t-1]=5,a.d[a.t-
+2]=5,a.d[a.t-3]=7,a.s[a.u]=2),c=4;else if(244==a.n.c)Y(a,0),a.d[a.t]=4,a.D=a.t,Y(a,0),a.d[a.t]=8,a.D=a.t,a.p=!0,Y(a,0),a.p=!1,a.D=a.t-1,Y(a,0),a.d[a.t]=5,a.s[a.u]=2,a.D=a.t-2,Y(a,0),a.d[a.t]=5,a.s[a.u]=2,c=5;else if(234==a.n.c)Y(a,0),a.d[a.t]=4,a.D=a.t,Y(a,0),a.d[a.t]=5,a.s[a.u]=2,a.D=a.t-1,Y(a,0),a.d[a.t]=5,a.s[a.u]=2,c=3;else if(235==a.n.c)Y(a,0),a.D=a.t,Y(a,0),a.d[a.t]=5,a.D=a.t-1,Y(a,0),a.d[a.t]=5,a.s[a.u]=2,c=3;else if(240==a.n.c)Y(a,0),a.D=a.t,Y(a,0),a.d[a.t]=5,a.D=a.t,Y(a,0),a.D=a.t-2,Y(a,
+0),a.d[a.t]=5,a.s[a.u]=2,c=4;else if(241==a.n.c)Y(a,0),a.d[a.t]=5,a.D=a.t,Y(a,0),a.D=a.t,Y(a,0),a.D=a.t-1,Y(a,0),a.s[a.u]=2,a.d[a.t]=5,c=4;else if(243==a.n.c)Y(a,0),a.d[a.t]=4,a.D=a.t,Y(a,0),a.D=a.t-1,Y(a,0),c=3;else if(238==a.n.c)Y(a,0),a.D=a.t,a.p=!0,Y(a,0),a.s[a.u]=3,a.p=!1,c=2;else if(249==a.n.c)Y(a,0),a.D=a.t,Y(a,0),a.s[a.u]=2,a.d[a.t]=5,c=2;else if(250==a.n.c)Y(a,0),a.s[a.u]=2,a.d[a.t]=5,c=1;else if(245==a.n.c)Y(a,0),a.D=a.t,a.p=!0,Y(a,0),a.D=a.t,a.s[a.u]=3,Y(a,0),a.p=!1,c=3;else if(242==a.n.c)Y(a,
+0),a.D=a.t,a.p=!0,Y(a,0),a.s[a.u]=3,a.d[a.t]=4,a.p=!1,c=2;else if(254==a.n.c)Y(a,0),a.d[a.t]=9,c=1;else if(255==a.n.c)Y(a,0),a.d[a.t]=10,c=1;else if(256==a.n.c)Y(a,0),a.d[a.t]=11,c=1;else if(257==a.n.c)Y(a,0),a.d[a.t]=12,c=1;else if(258==a.n.c)Y(a,0),a.d[a.t]=4,c=1;else if(259==a.n.c)Y(a,0),a.d[a.t]=5,c=1;else if(246==a.n.c)Y(a,0),a.D=a.t,Y(a,0),c=2;else if(247==a.n.c)Y(a,0),a.D=a.t,Y(a,0),a.D=a.t,Y(a,0),c=3;else if(248==a.n.c)Y(a,0),a.D=a.t,Y(a,0),a.D=a.t,Y(a,0),a.D=a.t,Y(a,0),c=4;else if(253==a.n.c){var d,
+e,f,g,i,h,l,m,n,q,s;if(a.n.sb){c=0;m=a.n.sb;for(l=1;l<=m.y;++l)d=m.q[l][0],1==m.q[l][1]&&(c=d);d=a.t;l=a.D;Y(a,0);e=a.J[a.t];g=a.M[a.t];gx(a,a.t);e=a.J[l]-e;g=a.M[l]-g;h=Math.sqrt(e*e+g*g);g/=h;e/=h;for(h=1;h<=m.t;++h)Ny(a),a.d[a.t]=m.d[h],a.A[a.t]=m.A[h],a.x[a.t]=m.x[h],a.J[a.t]=m.J[h],a.M[a.t]=m.M[h];for(h=1;h<=m.u;++h)mx(a),a.H[a.u]=m.H[h]+d,a.I[a.u]=m.I[h]+d,a.s[a.u]=m.s[h];Jv(a);a.D=c+d;Y(a,0);m=a.J[a.t];q=a.M[a.t];gx(a,a.t);f=a.J[c+d]-m;i=a.M[c+d]-q;h=Math.sqrt(f*f+i*i);i/=h;f/=h;for(h=d+1;h<=
+a.t;++h)a.J[h]-=m,a.M[h]-=q,n=a.J[h]*f+a.M[h]*i,s=a.M[h]*f-a.J[h]*i,a.J[h]=n,a.M[h]=s,n=-a.J[h]*e+a.M[h]*g,s=-a.M[h]*e-a.J[h]*g,a.J[h]=n,a.M[h]=s,a.J[h]+=a.J[l],a.M[h]+=a.M[l];mx(a);a.H[a.u]=l;a.I[a.u]=c+d;Jv(a);b&&(gx(a,l),iy(a))}c=4}nz(a,c);a.D=a.F;b&&(a.D=0)}
+function mz(a,b,c,d){var e,f,g,i,h;e=a.G[b][1];f=a.G[b][2];g=a.J[f]-a.J[e];i=-(a.M[f]-a.M[e]);h=Math.sqrt(g*g+i*i);0.001>h&&(h=0.001);i/=h;g/=h;1>(0>=(a.M[b]-a.M[e])*g+(a.J[b]-a.J[e])*i?0-((a.M[b]-a.M[e])*g+(a.J[b]-a.J[e])*i):(a.M[b]-a.M[e])*g+(a.J[b]-a.J[e])*i)?(g=a.J[b]-a.J[e],i=a.M[b]-a.M[e],h=Math.sqrt(g*g+i*i),0.001>h&&(h=0.001),i/=h,g/=h,d[0]=a.J[e]+h*g-c*i,d[1]=a.M[e]+c*g+h*i):(g=(a.J[e]+a.J[f])/2,e=(a.M[e]+a.M[f])/2,g=a.J[b]-g,i=a.M[b]-e,h=Math.sqrt(g*g+i*i),0.001>h&&(h=0.001),d[0]=a.J[b]+
+c*g/h,d[1]=a.M[b]+c*i/h)}
+function Jy(a){var b,c,d,e,f,g,i,h,l,m,n,q,s;l=-1;i=6;switch(a.n.c){case 206:i=3;break;case 207:i=4;break;case 208:case 221:case 223:i=5;break;case 210:case 209:i=6;break;case 211:i=7;break;case 212:i=8;break;case 229:i=9}f=6.283185307179586/i;h=625*a.n.x*a.n.x/2/(1-Math.cos(f));h=Math.sqrt(h);if(0<a.D)if(2>a.z[a.D])oz(a,i,f,h);else if(a.n.V){if(209==a.n.c||221==a.n.c||223==a.n.c){D(a.n,"ERROR - cannot add aromatic spiro ring !");a.n.F=9;return}for(d=1;d<=a.z[a.D];++d)if(b=a.s[lz(a,a.D,a.G[a.D][d])],
+2<d||1!=b){D(a.n,"ERROR - spiro ring not possible here !");a.n.F=9;return}b=x(jx,u,-1,2,1);mz(a,a.D,h,b);e=a.J[a.D]-b[0];g=a.M[a.D]-b[1];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;for(d=1;d<=i;++d)Ny(a),n=f*d+1.5707963267948966,a.J[a.t]=b[0]+h*(Math.sin(n)*e-Math.cos(n)*g),a.M[a.t]=b[1]+h*(Math.cos(n)*e+Math.sin(n)*g)}else l=a.D,Y(a,0),a.D=a.t,oz(a,i,f,h);else if(0<a.E){b=a.H[a.E];c=a.I[a.E];d=0;2==a.z[b]?a.G[b][1]!=c?d=a.G[b][1]:d=a.G[b][2]:2==a.z[c]&&(a.G[c][1]!=b?d=a.G[c][1]:d=a.G[c][2],
+m=b,b=c,c=m);0==d&&(a.G[b][1]!=c?d=a.G[b][1]:d=a.G[b][2]);e=a.J[c]-a.J[b];g=a.M[c]-a.M[b];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;n=m/2;s=h*Math.sin(0.5*(3.141592653589793-f));m=1;0<(a.M[d]-a.M[b])*e-(a.J[d]-a.J[b])*g&&(s=-s,m=0);q=a.J[b]+n*e-s*g;s=a.M[b]+s*e+n*g;for(d=1;d<=i;++d)Ny(a),n=f*(d+0.5)+3.141592653589793*m,a.J[a.t]=q+h*(Math.sin(n)*e-Math.cos(n)*g),a.M[a.t]=s+h*(Math.cos(n)*e+Math.sin(n)*g),1==m?(d==i&&(a.J[a.t]=a.J[b],a.M[a.t]=a.M[b]),d==i-1&&(a.J[a.t]=a.J[c],a.M[a.t]=a.M[c])):
+(d==i-1&&(a.J[a.t]=a.J[b],a.M[a.t]=a.M[b]),d==i&&(a.J[a.t]=a.J[c],a.M[a.t]=a.M[c]))}else{b=0.5;6==i&&(b=0);for(d=1;d<=i;++d)Ny(a),n=f*(d-b),a.J[a.t]=a.L+h*Math.sin(n),a.M[a.t]=a.O+h*Math.cos(n)}b=i;h=0;for(f=1;f<=b;++f)mx(a),a.s[a.u]=1,h=a.t-b+f,a.z[h]=2,a.H[a.u]=h,a.I[a.u]=h+1;a.I[a.u]=a.t-b+1;if(209==a.n.c){if(a.s[a.u-4]=2,a.s[a.u-2]=2,a.s[a.u]=2,0<a.E)if(1==a.s[a.E]){if(b=0,1<a.z[a.H[a.E]]&&(b=a.G[a.H[a.E]][1],h=a.H[a.E],b==a.I[a.E]&&(b=a.G[a.H[a.E]][2])),0==b&&1<a.z[a.I[a.E]]&&(b=a.G[a.I[a.E]][1],
+h=a.I[a.E],b==a.I[a.E]&&(b=a.G[a.I[a.E]][2])),0<b)for(f=1;f<=a.u;++f)if(a.H[f]==b&&a.I[f]==h||a.H[f]==h&&a.I[f]==b){1!=a.s[f]&&(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=3);break}}else a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-5]=2,a.s[a.u-3]=2,a.s[a.u-1]=2}else if(221==a.n.c||223==a.n.c)if(0<a.E){if(1==a.s[a.E]){b=!1;for(f=1;f<=a.z[a.H[a.E]];++f)if(h=a.G[a.H[a.E]][f],1<a.s[lz(a,a.H[a.E],h)]){b=!0;break}for(f=1;f<=a.z[a.I[a.E]];++f)if(h=a.G[a.I[a.E]][f],1<a.s[lz(a,
+a.I[a.E],h)]){b=!0;break}b||(a.s[a.E]=2)}a.s[a.u-4]=2;a.d[a.t-2]=5}else 0<a.D?221==a.n.c?(a.s[a.u-4]=1,a.s[a.u-2]=1,a.s[a.u-1]=1,a.s[a.u-3]=2,a.s[a.u]=2,a.d[a.t-1]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5):(a.s[a.u-3]=1,a.s[a.u-2]=1,a.s[a.u]=1,a.s[a.u-4]=2,a.s[a.u-1]=2,a.d[a.t-2]=5);h=x(E,o,-1,a.t+1,1);for(f=1;f<=i;++f)b=a.t-i+f,c=a.u-i+f,a.G[b][1]=b-1,a.G[b][2]=b+1,b=a.H[c],e=a.I[c],a.K[c]=I(H(U((a.J[b]+a.J[e])/2))),a.N[c]=I(H(U((a.M[b]+a.M[e])/2)));a.G[a.t-
+i+1][1]=a.t;a.G[a.t][2]=a.t-i+1;for(f=a.t-i+1;f<=a.t;++f){h[f]=0;g=51;c=0;for(b=1;b<=a.t-i;++b)e=a.J[f]-a.J[b],d=a.M[f]-a.M[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.D||c==a.D)&&(h[f]=c)}g=a.u-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.H[f],e=a.I[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.H[c]==h[b]&&a.I[c]==h[e]||a.I[c]==h[b]&&a.H[c]==h[e])continue a;mx(a);a.s[a.u]=a.s[f];a.H[a.u]=h[b];a.G[h[b]][++a.z[h[b]]]=h[e];a.I[a.u]=h[e];a.G[h[e]][++a.z[h[e]]]=h[b];a.K[a.u]=I(H(U((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2)));
+a.N[a.u]=I(H(U((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))}else 0<h[b]?(mx(a),a.s[a.u]=a.s[f],a.H[a.u]=h[b],a.G[h[b]][++a.z[h[b]]]=e,a.I[a.u]=e,a.G[e][++a.z[e]]=h[b],a.K[a.u]=I(H(U((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=I(H(U((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2)))):0<h[e]&&(mx(a),a.s[a.u]=a.s[f],a.H[a.u]=h[e],a.G[h[e]][++a.z[h[e]]]=b,a.I[a.u]=b,a.G[b][++a.z[b]]=h[e],a.K[a.u]=I(H(U((a.J[a.H[a.u]]+a.J[a.I[a.u]])/2))),a.N[a.u]=I(H(U((a.M[a.H[a.u]]+a.M[a.I[a.u]])/2))));d=a.t-i;for(f=a.t;f>d;--f)if(0<h[f]&&(gx(a,
+f),3==a.d[h[f]])){m=0;for(b=1;b<=a.z[h[f]];++b){e=a.G[h[f]][b];for(c=1;c<=a.u;++c)(a.H[c]==h[f]&&a.I[c]==e||a.H[c]==e&&a.I[c]==h[f])&&(m+=a.s[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.s[c]=1}0<a.D&&nz(a,i);-1<l&&(a.D=l)}
+function oz(a,b,c,d){var e,f,g,i,h,l;0==a.z[a.D]?(e=0,f=1):(e=a.G[a.D][1],f=a.J[a.D]-a.J[e],e=a.M[a.D]-a.M[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.J[a.D]+d*f;l=a.M[a.D]+d*e;for(g=1;g<=b;++g)Ny(a),i=c*g-1.5707963267948966,a.J[a.t]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.M[a.t]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}function nz(a,b){var c,d;0==b&&(b=a.t);for(c=a.t;c>a.t-b;--c)d=fx(a,c),0!=d&&(a.J[c]+=6,a.M[c]+=6)}
+function lz(a,b,c){var d;for(d=1;d<=a.u;++d)if(a.H[d]==b&&a.I[d]==c||a.H[d]==c&&a.I[d]==b)return d;return 0}function pz(a,b,c){var d,e,f,g;e=Af;for(f=g=0;;){++g;for(d=1;d<=a.t;++d)if(mo(c[d])){e=c[d];break}for(d=1;d<=a.t;++d)mo(c[d])&&!ao(c[d],e)&&(e=c[d]);for(d=1;d<=a.t;++d)go(c[d],e)&&(b[d]=g,c[d]=Af,++f);if(f==a.t)break}return g==a.t}
+function iy(a){var b,c,d;b=x(jx,u,-1,4,1);d=c=0;a.n&&a.n.y&&0<a.n.y.c&&(c=a.n.y.c-a.n.O,d=a.n.y.b-3*a.n.O);if(0>=c||0>=d)a.w=!0;else{kx(a,b);c=~~(c/2)-I(H(Math.round(b[0])));d=~~(d/2)-I(H(Math.round(b[1])));if(!a.n.cb)for(b=1;b<=a.t;++b)a.J[b]+=c,a.M[b]+=d;nx(a)}}
+function kx(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.t;++c)a.J[c]<f&&(f=a.J[c]),a.J[c]>d&&(d=a.J[c]),a.M[c]<g&&(g=a.M[c]),a.M[c]>e&&(e=a.M[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function Iy(a,b,c){var d;if(1==c)++a.A[b];else if(-1==c)--a.A[b];else switch(d=qz(a,b),-1==d&&0==c&&(0==a.A[b]?a.A[b]=1:1==a.A[b]?a.A[b]=-1:-1==a.A[b]&&(a.A[b]=0)),a.d[b]){case 2:2<d&&D(a.n,"Charge change not possible on this boron !");0==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0);break;case 3:3<d?D(a.n,"Charge change not possible on this carbon !"):4>d&&(0==a.A[b]?a.A[b]=-1:-1==a.A[b]?a.A[b]=1:1==a.A[b]&&(a.A[b]=0));break;case 4:case 7:3<d?D(a.n,"Charge change not possible on multibonded N or P !"):3==
+d&&0==a.A[b]?a.A[b]=1:3==d&&1==a.A[b]?a.A[b]=0:3>d&&0==a.A[b]?a.A[b]=1:3>d&&1==a.A[b]?a.A[b]=-1:3>d&&-1==a.A[b]&&(a.A[b]=0);break;case 5:case 8:case 13:2<d?D(a.n,"Charge change not possible on multibonded O or S !"):2==d&&0==a.A[b]?a.A[b]=1:2==d&&1==a.A[b]?a.A[b]=0:2>d&&0==a.A[b]?a.A[b]=-1:2>d&&-1==a.A[b]?a.A[b]=1:2>d&&1==a.A[b]&&(a.A[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.A[b]?a.A[b]=-1:0==d&&-1==a.A[b]?a.A[b]=0:D(a.n,"Charge change not possible on the halogen !");break;case 18:D(a.n,
+"Use X button to change charge on the X atom !")}}
+function Uy(a,b){var c,d,e,f,g;f=0;g=!1;for(a.b=x(E,o,-1,a.t+1,1);;){for(e=1;e<=a.t;++e)if(0==a.b[e]){a.b[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],0<a.b[c]&&0==a.b[d]?(a.b[d]=f,g=!0):0<a.b[d]&&0==a.b[c]&&(a.b[c]=f,g=!0)}}if(2>f||!b)return f;g=x(E,o,-1,f+1,1);for(c=1;c<=a.t;++c)++g[a.b[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.t;1<=c;--c)a.b[c]!=d&&gx(a,c);iy(a);D(a.n,"Smaller part(s) removed !");return 1}
+function fx(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.t;++e)b!=e&&(c=a.J[b]-a.J[e],d=a.M[b]-a.M[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function px(a){var b,c,d;for(d=1;d<=a.u;++d){b=a.H[d];c=a.I[d];if(1==a.A[b]&&-1==a.A[c]||-1==a.A[b]&&1==a.A[c])if(1==a.s[d]||2==a.s[d]){if(3!=a.d[b]&&3!=a.d[c]&&a.n.eb)continue;if(1==a.d[b]||1==a.d[c])continue;if(2==a.d[b]||2==a.d[c])continue;if(9==a.d[b]||10==a.d[b]||11==a.d[b]||12==a.d[b]||9==a.d[c]||10==a.d[c]||11==a.d[c]||12==a.d[c])continue;a.A[b]=0;a.A[c]=0;++a.s[d];ox(a)}1==a.A[b]&&1==a.A[c]&&(2==a.s[d]?a.s[d]=1:3==a.s[d]&&(a.s[d]=2),ox(a));4==a.s[d]&&(a.s[d]=1)}}
+function ez(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function Jv(a){var b;rz(a);b=a.s.length;a.K=x(E,o,-1,b,1);a.N=x(E,o,-1,b,1);nx(a);ox(a)}
+function Ny(a){var b,c;++a.t;a.t>a.d.length-1&&(c=a.d.length+10,b=x(E,o,-1,c,1),sw(a.d,b,a.d.length),a.d=b,b=x(E,o,-1,c,1),sw(a.A,b,a.A.length),a.A=b,b=x(E,o,-1,c,1),sw(a.x,b,a.x.length),a.x=b,b=x(E,o,-1,c,1),sw(a.c,b,a.c.length),a.c=b,b=x(Ln,u,1,c,0),sw(a.e,b,a.e.length),a.e=b,b=x(Ln,u,1,c,0),sw(a.o,b,a.o.length),a.o=b,b=x(jx,u,-1,c,1),sw(a.J,b,a.J.length),a.J=b,b=x(jx,u,-1,c,1),sw(a.M,b,a.M.length),a.M=b,b=An([c,7]),sw(a.G,b,a.G.length),a.G=b,c=x(E,o,-1,c,1),sw(a.z,c,a.z.length),a.z=c);a.d[a.t]=
+3;a.A[a.t]=0;a.c[a.t]=0;a.e[a.t]=null;a.x[a.t]=0}function mx(a){var b,c;++a.u;a.u>a.s.length-1&&(b=a.s.length+10,c=x(E,o,-1,b,1),sw(a.H,c,a.H.length),a.H=c,c=x(E,o,-1,b,1),sw(a.I,c,a.I.length),a.I=c,c=x(E,o,-1,b,1),sw(a.s,c,a.s.length),a.s=c,c=x(E,o,-1,b,1),sw(a.B,c,a.B.length),a.B=c,c=x(E,o,-1,b,1),sw(a.K,c,a.K.length),a.K=c,c=x(E,o,-1,b,1),sw(a.N,c,a.N.length),a.N=c,b=x(Ln,u,1,b,0),sw(a.f,b,a.f.length),a.f=b);a.s[a.u]=1;a.B[a.u]=0;a.f[a.u]=null}
+function Gy(a,b){var c,d,e,f,g,i,h;if(0==a.t)return j;i=b;79<b.length&&(i=b.substr(0,76)+"...");i+=(ay(),aa);i+="JME 2013.01 "+new Pw+"\n \n";i+=Fy(a.t,3)+Fy(a.u,3);i+="  0  0  0  0  0  0  0  0999 V2000\n";g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.t;++e)a.M[e]>g&&(g=a.M[e]),a.J[e]<c&&(c=a.J[e]);for(e=1;e<=a.t;++e){i+=Py(0.055999999999999994*(a.J[e]-c),10,4)+Py(0.055999999999999994*(g-a.M[e]),10,4)+Py(0,10,4);h=ty(a,e);1==h.length?h+="  ":2==h.length?h+=k:3<h.length&&(h="Q  ");
+i+=k+h;d=0;0<a.A[e]&&4>a.A[e]?d=4-a.A[e]:0>a.A[e]&&-4<a.A[e]&&(d=4-a.A[e]);h=" 0"+Fy(d,3)+"  0  0  0  0  0  0  0";f=-1;for(d=1;d<=a.y;++d)if(a.q[d][0]==e){f=a.q[d][1];break}-1<f?h+=Fy(f,3):h+="  0";i+=h+"  0  0\n"}for(e=1;e<=a.u;++e)g=a.s[e],1==a.s[e]?g=1:sz(a,e)&&(g=2),c=Fy(a.H[e],3)+Fy(a.I[e],3),d=0,1==a.s[e]&&1==a.B[e]?d=1:1==a.s[e]&&2==a.B[e]&&(d=6),1==a.s[e]&&3==a.B[e]&&(d=1,c=Fy(a.I[e],3)+Fy(a.H[e],3)),1==a.s[e]&&4==a.B[e]&&(d=6,c=Fy(a.I[e],3)+Fy(a.H[e],3)),i+=c+Fy(g,3)+Fy(d,3)+"  0  0  0\n";
+for(e=1;e<=a.t;++e)0!=a.A[e]&&(i+="M  CHG  1"+Fy(e,4)+Fy(a.A[e],4)+aa);return i+"M  END\n"}
+function Qy(a){var b,c,d,e,f,g,i,h,l,m,n,q,s,M,G,L,T,Pa,O,ha,Va,vd,en,fn,Lc,gn,vg,$e,Hb,af;n=x(E,o,-1,a.t+10,1);q=x(E,o,-1,a.t+10,1);l=x(E,o,-1,a.t+1,1);m=x(E,o,-1,7,1);Lc=x(E,o,-1,a.t+1,1);M=x(tz,u,-1,a.t+1,2);G=x(tz,u,-1,a.u+1,2);vd=0;if(0==a.t)return j;Uy(a,!0);fn=!0;for(h=1;h<=a.u;++h)if(9==a.s[h]){fn=!1;break}if(a.n.r&&fn){uz(a);px(a);vz(a,G);wz(a,M,G);var tb,Mc,kn,ub,hj,ij,wg,Ca,az,vc,r,fa,jj,kj,ln,wd,sa,lj,mj,vb,nj;tb=x(E,o,-1,a.t+1,1);Mc=x(E,o,-1,a.t+1,1);Ca=x(xz,u,-1,a.t+1,3);var mn=a.t,
+oj,bf,nn,de,xg,Nc,xd;xg=x(xz,u,-1,mn+2,3);Nc=x(E,o,-1,100,1);xd=5;de=0;Nc[0]=3;xg[1]=Cf;xg[2]=Df;nn=2;if(!(3>mn))for(;xd<Nc[de]*Nc[de];){bf=0;for(oj=!0;oj&&bf<=de&&xd>=Nc[bf]*Nc[bf];)0==xd%Nc[bf]?oj=!1:++bf;if(oj){xg[++nn]=jo(xd);if(nn>=mn)break;de<Nc.length-1&&(++de,Nc[de]=xd)}xd+=2}for(r=1;r<=a.t;++r){for(fa=mj=1;fa<=a.u;++fa)(a.H[fa]==r||a.I[fa]==r)&&(mj*=a.i[fa]);lj=a.d[r];18==lj&&(nj=a.o[r],ij=nj.charCodeAt(0)-65+1,wg=0,1<nj.length&&(wg=nj.charCodeAt(1)-97),0>ij&&(ij=0),0>wg&&(wg=0),lj=28*ij+
+wg);wd=0;-2>a.A[r]?wd=1:-2==a.A[r]?wd=2:-1==a.A[r]?wd=3:1==a.A[r]?wd=4:2==a.A[r]?wd=5:2<a.A[r]&&(wd=6);vb=1;Ca[r]=jo(mj);vb*=126;Ca[r]=eo(Ca[r],jo(a.x[r]*vb));vb*=7;Ca[r]=eo(Ca[r],jo(wd*vb));vb*=7;Ca[r]=eo(Ca[r],jo(lj*vb));vb*=783;Ca[r]=eo(Ca[r],jo(a.z[r]*vb))}for(hj=0;!pz(a,tb,Ca);){ln=!1;for(r=1;r<=a.t;++r)tb[r]!=Mc[r]&&(Mc[r]=tb[r],ln=!0);if(ln){for(r=1;r<=a.t;++r){Ca[r]=Bf;for(fa=1;fa<=a.z[r];++fa)Ca[r]=no(Ca[r],xg[tb[a.G[r][fa]]])}hj=0}else if(0<hj){for(r=1;r<=a.t;++r)Ca[r]=Bf;r=1;a:for(;r<=
+a.t-1;++r)for(fa=r+1;fa<=a.t;++fa)if(tb[r]==tb[fa]){Ca[r]=Cf;break a}}else{for(r=1;r<=a.t;++r){Ca[r]=Bf;for(fa=1;fa<=a.z[r];++fa)kn=a.G[r][fa],Ca[r]=no(Ca[r],jo(a.d[kn]*a.i[lz(a,r,kn)]))}hj=1}pz(a,tb,Ca);for(r=1;r<=a.t;++r)Ca[r]=jo(Mc[r]*a.t+tb[r])}for(r=1;r<=a.t;++r)Mc[r]=tb[r];for(sa=1;sa<=a.t;++sa)for(r=1;r<=a.t;++r)if(Mc[r]==sa){a.d[0]=a.d[r];a.A[0]=a.A[r];a.J[0]=a.J[r];a.M[0]=a.M[r];a.z[0]=a.z[r];a.d[r]=a.d[sa];a.A[r]=a.A[sa];a.J[r]=a.J[sa];a.M[r]=a.M[sa];a.z[r]=a.z[sa];a.d[sa]=a.d[0];a.A[sa]=
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+jj=a.t;ub=0;for(fa=r;fa<=a.u;++fa)a.H[fa]<jj?(jj=a.H[fa],kj=a.I[fa],ub=fa):a.H[fa]==jj&&a.I[fa]<kj&&(kj=a.I[fa],ub=fa);vc=a.H[r];a.H[r]=a.H[ub];a.H[ub]=vc;vc=a.I[r];a.I[r]=a.I[ub];a.I[ub]=vc;vc=a.s[r];a.s[r]=a.s[ub];a.s[ub]=vc;vc=a.B[r];a.B[r]=a.B[ub];a.B[ub]=vc;az=a.f[r];a.f[r]=a.f[ub];a.f[ub]=az}Jv(a);ox(a);vz(a,G);wz(a,M,G)}else{vz(a,G);a.i=x(E,o,-1,a.u+1,1);for(s=1;s<=a.u;++s)a.i[s]=a.s[s]}c=1;a.b=x(E,o,-1,a.t+1,1);af=1;a.b[1]=1;for(ha=0;;){Va=0;for(s=1;s<=a.z[c];++s)if(g=a.G[c][s],0<a.b[g]){if(!(a.b[g]>
+a.b[c])&&g!=Lc[c]){en=!0;for(T=1;T<=vd;++T)if(n[T]==c&&q[T]==g||n[T]==g&&q[T]==c){en=!1;break}en&&(++vd,n[vd]=c,q[vd]=g)}}else m[++Va]=g;if(0==Va){if(af==a.t)break;c=l[ha--]}else if(1==Va)Lc[m[1]]=c,c=m[1],a.b[c]=++af;else{l[++ha]=c;e=0;for(s=1;s<=Va;++s)if(h=lz(a,m[s],c),!G[h]){e=m[s];break}if(0==e)for(s=1;s<=Va;++s)if(h=lz(a,m[s],c),2==a.i[h]||3==a.i[h]){e=m[s];break}0==e&&(e=m[1]);Lc[e]=c;c=e;a.b[e]=++af}}Lc=x(E,o,-1,a.t+1,1);b=x(E,o,-1,a.t+1,1);Pa=x(tz,u,-1,a.t+1,2);gn=x(tz,u,-1,a.t+1,2);f=af=
+ha=0;for(s=1;s<=a.t;++s)if(1==a.b[s]){c=s;break}a:for(;;){0<f&&(Lc[c]=f);b[++af]=c;for(a.b[c]=0;;){Va=e=0;O=a.t+1;s=1;b:for(;s<=a.z[c];++s){g=a.G[c][s];for(L=1;L<=vd;++L)if(n[L]==g&&q[L]==c||n[L]==c&&q[L]==g)continue b;0<a.b[g]&&(++Va,a.b[g]<O&&(e=g,O=a.b[g]))}if(0==e){if(0==ha)break a;gn[c]=!0;c=l[ha--]}else break}f=c;c=e;1<Va&&(l[++ha]=f,Pa[e]=!0)}vg=x(E,o,-1,a.u+1,1);$e=x(E,o,-1,a.t+1,1);if(a.n.rb){var cz=Lc,fA=vd,on,dz,cf,Oc,pn,qn,qa,yg,rn;cf=x(E,o,-1,a.t+1,1);for(qa=1;qa<=a.t;++qa)cf[b[qa]]=
+qa;pn=x(tz,u,-1,a.u+1,2);for(qa=1;qa<=a.t;++qa)on=b[qa],dz=cz[on],Oc=lz(a,on,dz),0!=Oc&&(yz(a,Oc,cf,vg,G),pn[Oc]=!0);for(qa=1;qa<=a.u;++qa)pn[qa]||yz(a,qa,cf,vg,G);qa=1;a:for(;qa<=a.t;++qa)if(!(2>a.z[qa]||4<a.z[qa])){qn=rn=0;for(yg=1;yg<=a.z[qa];++yg){Oc=lz(a,qa,a.G[qa][yg]);if(5==a.i[Oc])continue a;1==a.s[Oc]&&0!=zz(a,Oc,qa)&&++rn;2==a.s[Oc]&&(qn=a.G[qa][yg])}if(0!=rn)if(0<qn){var X=a,fz=qa,yd=cf,Ib=$e,gb=void 0,zg=void 0,wb=void 0,Pc=void 0,xb=void 0,pj=void 0,qj=void 0,rj=void 0,wc=void 0,Jb=void 0,
+Kb=void 0,sn=void 0,Ag=void 0,xc=void 0,Bg=void 0,Qc=void 0,Cg=void 0,tn=void 0,Dg=void 0,Rc=void 0,gz=void 0,zd=void 0,hz=void 0,un=void 0,Eg=void 0,Ad=void 0,Kb=1,zg=fz,gb=x(E,o,-1,X.t+1,1);for(gb[1]=fz;;){sn=!1;for(Jb=1;Jb<=X.z[zg];++Jb)if(wb=X.G[zg][Jb],!(wb==gb[1]||wb==gb[Kb-1]))if(Pc=lz(X,zg,wb),2==X.s[Pc]&&5!=X.i[Pc]){zg=gb[++Kb]=wb;sn=!0;break}if(!sn)break}if(!(0==Kb%2||2>X.z[gb[Kb]]||3<X.z[gb[Kb]])){Ad=gb[1];xb=gb[~~((Kb+1)/2)];wc=gb[Kb];zd=Rc=Qc=xc=0;un=tn=!1;for(Jb=1;Jb<=X.z[Ad];++Jb)wb=
+X.G[Ad][Jb],Pc=lz(X,Ad,wb),1!=X.s[Pc]||5==X.i[Pc]||(0==xc?xc=wb:Qc=wb);0<yd[Qc]&&yd[xc]>yd[Qc]&&(pj=xc,xc=Qc,Qc=pj);Ag=xc;0==xc&&(Ag=Qc,tn=!0);for(Jb=1;Jb<=X.z[wc];++Jb)wb=X.G[wc][Jb],Pc=lz(X,wc,wb),1!=X.s[Pc]||5==X.i[Pc]||(0==Rc?Rc=wb:zd=wb);0<yd[zd]&&yd[Rc]>yd[zd]&&(pj=Rc,Rc=zd,zd=pj);Dg=Rc;0==Rc&&(Dg=zd,un=!0);Bg=zz(X,lz(X,Ad,xc),Ad);Cg=zz(X,lz(X,Ad,Qc),Ad);gz=zz(X,lz(X,wc,Rc),wc);hz=zz(X,lz(X,wc,zd),wc);1<(0>Bg+Cg?-(Bg+Cg):Bg+Cg)||0!=gz||0!=hz?D(X.n,"Bad stereoinfo on allene !"):(qj=X.J[gb[Kb-
+1]]-X.J[wc],rj=X.M[gb[Kb-1]]-X.M[wc],Eg=Math.sqrt(qj*qj+rj*rj),0.001>Eg&&(Eg=0.001),0<(X.M[Dg]-X.M[gb[Kb-1]])*(qj/Eg)-(X.J[Dg]-X.J[gb[Kb-1]])*(rj/Eg)?Ib[xb]=1:Ib[xb]=-1,tn&&(Ib[xb]*=-1),un&&(Ib[xb]*=-1),Ag==xc&&0>Bg&&(Ib[xb]*=-1),Ag==Qc&&0>Cg&&(Ib[xb]*=-1),yd[Ag]>yd[Dg]&&(Ib[xb]*=-1))}}else b:{var Ka=a,va=qa,vn=cz,iz=cf,jz=n,kz=q,gA=fA,sj=$e,tj=void 0,Lb=void 0,wn=void 0,df=void 0,ia=void 0,ef=void 0,cc=void 0,Fg=void 0,yc=void 0,Wa=void 0,W=void 0,V=void 0,Sc=void 0,uj=void 0,Mb=void 0,y=void 0,
+vj=void 0,V=x(E,o,-1,4,1),uj=x(E,o,-1,4,1),Gg=void 0,Nb=void 0,wj=void 0,xj=void 0,xn=void 0,Hg=void 0,Hg=-1;0<vn[va]&&(V[++Hg]=vn[va]);for(Nb=1;Nb<=gA;++Nb)jz[Nb]==va&&(V[++Hg]=kz[Nb]),kz[Nb]==va&&(V[++Hg]=jz[Nb]);for(Nb=Hg+1;Nb<Ka.z[va];++Nb){xn=Ka.t+1;wj=1;c:for(;wj<=Ka.z[va];++wj){Gg=Ka.G[va][wj];for(xj=0;xj<Nb;++xj)if(Gg==V[xj])continue c;iz[Gg]<xn&&(xn=iz[Gg],V[Nb]=Gg)}}0==vn[va]&&0<Ka.x[va]?(V[3]=V[2],V[2]=V[1],V[1]=V[0],V[0]=-1):0<Ka.x[va]&&(V[3]=V[2],V[2]=V[1],V[1]=-1);for(ia=Fg=ef=df=vj=
+cc=Wa=0;4>ia;++ia)0>=V[ia]||(tj=lz(Ka,va,V[ia]),uj[ia]=zz(Ka,tj,va),0<uj[ia]?(++Wa,vj=V[ia],ef=V[ia]):0>uj[ia]?(++cc,df=V[ia],ef=V[ia]):Fg=V[ia]);yc=Wa+cc;y=x(E,o,-1,4,1);Mb=0;if(3==Ka.z[va]){if(1==Wa&&1==cc||3==yc&&0<Wa&&0<cc){D(Ka.n,"Error in C3H stereospecification !");break b}Sc=V[0];1==yc?Sc=ef:2==yc&&(Sc=Fg);W=bz(Ka,va,Sc,V);y[0]=ef;y[1]=-1;y[2]=W[2];y[3]=W[1];0<Wa?Mb=1:Mb=-1}else if(4==Ka.z[va])if(1==yc)W=bz(Ka,va,ef,V),y[0]=W[0],y[1]=W[3],y[2]=W[2],y[3]=W[1],0<Wa?Mb=1:Mb=-1;else{Sc=V[0];1<
+Fg&&(Sc=Fg);1==Wa?Sc=vj:1==cc&&(Sc=df);W=bz(Ka,va,Sc,V);Lb=x(E,o,-1,4,1);for(ia=0;4>ia;++ia)tj=lz(Ka,va,W[ia]),Lb[ia]=zz(Ka,tj,va);if(4==yc){if(0==Wa||0==cc){D(Ka.n,"Error in C4 stereospecification !");break b}if(1==Wa||1==cc)y[0]=W[0],y[1]=W[3],y[2]=W[2],y[3]=W[1],Mb=Lb[0];else{for(ia=0;4>ia;++ia)-1==Lb[ia]&&(Lb[ia]=0);yc=2}}else if(3==yc)if(3==Wa||3==cc)y[0]=W[0],y[1]=W[3],y[2]=W[2],y[3]=W[1],0<Wa?Mb=-1:Mb=1;else{1==Wa?Wa=wn=1:cc=wn=-1;for(ia=0;4>ia;++ia)Lb[ia]==wn&&(Lb[ia]=0);yc=2}if(2==yc)if(1==
+Wa&&1==cc)W[1]==df?(W[1]=W[2],W[2]=W[3]):W[2]==df&&(W[2]=W[3]),y[0]=vj,y[1]=df,y[2]=W[2],y[3]=W[1],Mb=1;else{if(Lb[0]==Lb[1]||Lb[1]==Lb[2]){D(Ka.n,"Error in C4 stereospecification ! 2/0r");break b}0!=Lb[0]?(y[0]=W[0],y[1]=W[2],y[2]=W[1],y[3]=W[3]):(y[0]=W[1],y[1]=W[3],y[2]=W[2],y[3]=W[0]);1<Wa?Mb=1:Mb=-1}}var Ga=void 0;V[0]==y[1]?(Ga=y[0],y[0]=y[1],y[1]=Ga,Ga=y[2],y[2]=y[3],y[3]=Ga):V[0]==y[2]?(Ga=y[2],y[2]=y[0],y[0]=Ga,Ga=y[1],y[1]=y[3],y[3]=Ga):V[0]==y[3]&&(Ga=y[3],y[3]=y[0],y[0]=Ga,Ga=y[1],y[1]=
+y[2],y[2]=Ga);V[1]==y[2]?(Ga=y[1],y[1]=y[2],y[2]=Ga,Ga=y[2],y[2]=y[3],y[3]=Ga):V[1]==y[3]&&(Ga=y[1],y[1]=y[3],y[3]=Ga,Ga=y[2],y[2]=y[3],y[3]=Ga);y[2]==V[2]?sj[va]=1:y[2]==V[3]?sj[va]=-1:D(Ka.n,"Error in stereoprocessing ! - t30");sj[va]*=Mb}}}Hb=new rw;i=x(E,o,-1,a.t+1,1);for(s=1;s<=a.t;++s)i[b[s]]=s;for(s=1;s<=a.t;++s){c=b[s];Pa[c]&&(Hb.b.b+=ta);0<Lc[s]&&Az(a,c,Lc[c],Hb,vg);var ff=M[c],Ra=void 0,Ig=void 0,gf=void 0,N=void 0,N=jc,Ra=!1;0!=a.A[c]&&(Ra=!0);0!=$e[c]&&(Ra=!0);gf=-1;for(Ig=1;Ig<=a.y;++Ig)if(a.q[Ig][0]==
+c){gf=a.q[Ig][1];break}-1<gf&&(Ra=!0);a.n.qb&&0<a.c[c]&&(Ra=!0,gf=1);switch(a.d[c]){case 2:N=bb;break;case 3:ff?N="c":N=eb;break;case 4:ff?(N="n",0<a.x[c]&&(Ra=!0)):N=Cb;break;case 5:ff?N="o":N=Ob;break;case 7:ff?(N="p",0<a.x[c]&&(Ra=!0)):N=Qb;break;case 8:ff?N="s":N=Zb;break;case 13:ff?N="se":N=ac;Ra=!0;break;case 6:N=bc;Ra=!0;break;case 9:N=pb;break;case 10:N=jb;break;case 11:N=db;break;case 12:N=zb;break;case 1:N=sb;Ra=!0;break;case 19:N=Rb;Ra=!0;break;case 20:N=Sb;Ra=!0;break;case 21:N=Tb;Ra=
+!0;break;case 22:N=Ub;Ra=!0;break;case 18:Ra=!0,N=a.o[c],(C(N,wa)||C(N,nc)||C(N,Ya))&&(Ra=!1)}Ra&&(N=kc+N,1==$e[c]?N+=Xa:-1==$e[c]&&(N+="@@"),1==a.x[c]?N+=sb:1<a.x[c]&&(N+=sb+a.x[c]),0!=a.A[c]&&(0<a.A[c]?N+=xa:N+=Aa,1<(0>a.A[c]?-a.A[c]:a.A[c])&&(N+=0>a.A[c]?-a.A[c]:a.A[c])),-1<gf&&(N+=Na+gf),N+=mc);Nj(Hb.b,N);for(L=1;L<=vd;++L)if(n[L]==c||q[L]==c)d=q[L],d==c&&(d=n[L]),i[c]<i[d]&&Az(a,n[L],q[L],Hb,vg),9<L&&(Hb.b.b+="%"),Mj(Hb,j+(new Q(L)).b);gn[c]&&(Hb.b.b+=ua)}return Hb.b.b}
+function gx(a,b){var c,d,e,f;f=0;for(e=1;e<=a.u;++e)c=a.H[e],d=a.I[e],c!=b&&d!=b&&(++f,a.H[f]=c,c>b&&--a.H[f],a.I[f]=d,d>b&&--a.I[f],a.s[f]=a.s[e],a.B[f]=a.B[e],a.K[f]=a.K[e],a.N[f]=a.N[e],a.f[f]=a.f[e]);a.u=f;for(e=b;e<a.t;++e){a.d[e]=a.d[e+1];a.A[e]=a.A[e+1];a.J[e]=a.J[e+1];a.M[e]=a.M[e+1];a.x[e]=a.x[e+1];a.c[e]=a.c[e+1];a.e[e]=a.e[e+1];a.z[e]=a.z[e+1];a.o[e]=a.o[e+1];for(f=1;f<=a.z[e];++f)a.G[e][f]=a.G[e+1][f]}--a.t;if(0==a.t)jy(a.n);else{for(e=1;e<=a.t;++e){d=0;for(f=1;f<=a.z[e];++f)c=a.G[e][f],
+c==b?++a.x[e]:(c>b&&--c,a.G[e][++d]=c);a.z[e]=d}e=1;a:for(;e<=a.y;++e)if(a.q[e][0]==b){for(f=e;f<a.y;++f)a.q[f][0]=a.q[f+1][0],a.q[f][1]=a.q[f+1][1];--a.y;break a}for(e=1;e<=a.y;++e)a.q[e][0]>b&&--a.q[e][0]}}
+function hx(a,b){var c,d,e,f;c=a.H[b];d=a.I[b];for(e=b;e<a.u;++e)a.H[e]=a.H[e+1],a.I[e]=a.I[e+1],a.s[e]=a.s[e+1],a.B[e]=a.B[e+1],a.K[e]=a.K[e+1],a.N[e]=a.N[e+1],a.f[e]=a.f[e+1];--a.u;f=0;for(e=1;e<=a.z[c];++e)a.G[c][e]!=d&&(a.G[c][++f]=a.G[c][e]);a.z[c]=f;f=0;for(e=1;e<=a.z[d];++e)a.G[d][e]!=c&&(a.G[d][++f]=a.G[d][e]);a.z[d]=f;c<d&&(f=c,c=d,d=f);0==a.z[c]&&gx(a,c);0==a.z[d]&&gx(a,d)}
+function uz(a){var b,c,d;if(!a.n.E){c=a.t;a:for(;1<=c;--c)if(d=a.G[c][1],1==a.d[c]&&1==a.z[c]&&0==a.A[c]&&1!=a.d[d]&&18>a.d[d]){for(b=1;b<=a.y;++b)if(a.q[b][0]==c)continue a;b=lz(a,c,d);1==a.s[b]&&(0==a.B[b]||!a.n.rb)&&gx(a,c)}}}function rz(a){var b;b=a.d.length;a.G=An([b,7]);a.z=x(E,o,-1,b,1);for(b=1;b<=a.t;++b)a.z[b]=0;for(b=1;b<=a.u;++b)6>a.z[a.H[b]]&&(a.G[a.H[b]][++a.z[a.H[b]]]=a.I[b]),6>a.z[a.I[b]]&&(a.G[a.I[b]][++a.z[a.I[b]]]=a.H[b])}
+function wz(a,b,c){var d,e,f,g,i,h,l,m,n;a.i=x(E,o,-1,a.u+1,1);n=x(tz,u,-1,a.t+1,2);for(h=1;h<=a.t;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.z[h];++d)if(c[lz(a,h,a.G[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.z[h]+a.x[h]))switch(a.d[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.u;++i)1==a.s[i]?a.i[i]=1:sz(a,i)?a.i[i]=2:3==a.s[i]&&(a.i[i]=3);i=1;a:for(;i<=a.u;++i)if(c[i]&&(f=a.H[i],g=a.I[i],n[f]&&n[g])){d=x(tz,u,-1,a.t+1,2);for(h=1;h<=a.z[f];++h)e=a.G[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.t;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.z[h];++l){e=a.G[h][l];if(e==g){b[f]=!0;b[g]=!0;a.i[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function nx(a){var b,c,d;for(d=1;d<=a.u;++d)b=a.H[d],c=a.I[d],a.K[d]=I(H(U((a.J[b]+a.J[c])/2))),a.N[d]=I(H(U((a.M[b]+a.M[c])/2)))}function vz(a,b){var c;for(c=1;c<=a.u;++c)uy(a,a.H[c],a.I[c])?b[c]=!1:b[c]=!0}function ty(a,b){var c;c=(ay(),Bv)[a.d[b]];18==a.d[b]&&(c=a.o[b]);return c}
+function sz(a,b){return 2==a.s[b]?!0:!1}function uy(a,b,c){var d,e,f,g;g=1;a.b=x(E,o,-1,a.t+1,1);for(d=1;d<=a.t;++d)a.b[d]=0;for(d=a.b[b]=1;d<=a.z[b];++d)a.G[b][d]!=c&&(a.b[a.G[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.t;++d){f=!1;if(0<a.b[d]&&d!=b)for(e=1;e<=a.z[d];++e)0==a.b[a.G[d][e]]&&(a.b[a.G[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.b[c]}
+function Ly(a){var b,c;a.n.H=!0;if(a.n.qb)a.k=-1,0==a.c[a.D]?a.c[a.D]=4:a.c[a.D]=0;else{for(b=1;b<=a.y;++b)if(a.D==a.q[b][0]){if(-1==a.n.u){for(;b<a.y;++b)a.q[b][0]=a.q[b+1][0],a.q[b][1]=a.q[b+1][1];--a.y}else c=a.n.u,a.n.q&&(a.n.V||++a.r,c=a.r),a.q[b][1]=c;return}b=a.q.length;++a.y>b-1&&(b=An([b+5,2]),sw(a.q,b,a.q.length),a.q=b);a.q[a.y][0]=a.D;c=a.n.u;a.n.q&&(a.n.V||++a.r,c=a.r);a.q[a.y][1]=c}}function zv(a){var b;a.y=0;a.r=0;Qy(a);for(b=1;b<=a.t;++b)a.D=b,Ly(a);a.D=0}
+function Cy(a){var b,c;b=x(jx,u,-1,4,1);kx(a,b);c=a.n.y.c;a.n.v||(c-=a.n.O);return b[0]<~~(c/2)-24?1:b[0]>~~(c/2)+24?3:2}function ky(a){a.n.ob=new gy(a);Jv(a.n.ob);a.n.kb=a.n.e}function Oy(a){var b,c,d,e,f;e=f=0;for(d=1;d<=a.u;++d)b=a.J[a.H[d]]-a.J[a.I[d]],c=a.M[a.H[d]]-a.M[a.I[d]],f+=Math.sqrt(b*b+c*c);0<a.u?(f/=a.u,e=25/f):1<a.t&&(e=75/Math.sqrt((a.J[1]-a.J[2])*(a.J[1]-a.J[2])+(a.M[1]-a.M[2])*(a.M[1]-a.M[2])));for(d=1;d<=a.t;++d)a.J[d]*=e,a.M[d]*=e}
+function Ey(a,b,c){var d,e,f,g,i;if(0==c.indexOf(kc)&&mw(c,mc))c=c.substr(1,c.length-1-1),a.d[b]=18,a.o[b]=c,a.x[b]=0;else{f=!1;-1<c.indexOf(ya)&&(f=!0);-1<c.indexOf(";")&&(f=!0);-1<c.indexOf(pa)&&(f=!0);-1<c.indexOf("!")&&(f=!0);d=c.indexOf(Na);e=c.indexOf(sb);g=Xg(c.indexOf(xa),c.indexOf(Aa));if(-1<d){i=nk(c,d+1);try{a.n.u=yv(i,10)}catch(h){if(h=lk(h),B(h,52))a.n.u=0;else throw h;}a.D=b;Ly(a);c=c.substr(0,d-0);a.D=0}if(f)a.o[b]=c,a.d[b]=18,a.x[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
+g-0));a.d[b]=C(d,eb)?3:C(d,bb)?2:C(d,Cb)?4:C(d,Ob)?5:C(d,Qb)?7:C(d,Zb)?8:C(d,pb)?9:C(d,jb)?10:C(d,db)?11:C(d,zb)?12:C(d,sb)?1:C(d,ac)?13:C(d,bc)?6:C(d,Rb)?19:C(d,Sb)?20:C(d,Tb)?21:C(d,Ub)?22:18;18==a.d[b]&&(a.o[b]=d);c+=k;d=0;0<e&&(d=1,e=lw(c,++e),48<=e&&57>=e&&(d=e-48));18==a.d[b]&&(a.x[b]=d);d=0;if(0<g&&(e=lw(c,g++),43==e?d=1:45==e&&(d=-1),0!=d&&(e=lw(c,g++),!(48<=e&&57>=e)))){for(;43==e;)++d,e=lw(c,g++);for(;45==e;)--d,e=lw(c,g++)}a.A[b]=d}}}
+function Dv(a,b,c){var d,e;a.k=1;c&&(a.k=-1);b=new ov(b);try{for(;b.k=hv(b,b.b),b.k<b.j;)d=hw(yv(kv(b),10)).b,c=e=hw(yv(kv(b),10)).b,(0>c||6<c)&&(c=0),a.c[d]=c}catch(f){if(f=lk(f),B(f,52))Kj(f);else throw f;}}function Az(a,b,c,d,e){b=lz(a,b,c);5!=a.i[b]&&sz(a,b)?d.b.b+=Sa:3==a.s[b]?d.b.b+=pa:9==a.s[b]?(e=Ua,a=a.f[b],null!=a&&(e=a),Nj(d.b,e)):1==e[b]?d.b.b+="/":-1==e[b]&&(d.b.b+=lc)}
+function My(a,b){var c,d;if(1==a.s[b])if(c=a.H[b],d=a.I[b],2>a.z[c]&&2>a.z[d])a.B[b]=0,D(a.n,"Stereomarking meaningless on this bond !");else switch(a.B[b]){case 0:a.z[d]<=a.z[c]?a.B[b]=1:a.B[b]=3;break;case 1:a.B[b]=2;break;case 2:2<a.z[d]?a.B[b]=3:a.B[b]=1;break;case 3:a.B[b]=4;break;case 4:2<a.z[c]?a.B[b]=1:a.B[b]=3}else 2==a.s[b]?10==a.B[b]?a.B[b]=0:a.B[b]=10:D(a.n,"Stereomarking allowed only on single and double bonds!")}
+function yz(a,b,c,d,e){var f,g,i,h,l,m,n,q,s;if(!(2!=a.s[b]||5==a.i[b])&&(10==a.B[b]||a.n.p&&!e[b]))if(e=a.H[b],f=a.I[b],!(2>a.z[e]||2>a.z[f]||3<a.z[e]||3<a.z[f])){c[e]>c[f]&&(g=e,e=f,f=g);n=m=b=0;q=!1;for(l=1;l<=a.z[e];++l)g=a.G[e][l],g!=f&&(0==m?m=g:n=g);0<n&&c[m]>c[n]&&(g=m,m=n,n=g);h=lz(a,e,m);0!=d[h]?b=m:1==a.s[h]&&5!=a.i[h]&&(b=m);0==b&&(h=lz(a,e,n),0!=d[h]?b=n:1==a.s[h]&&5!=a.i[h]&&(b=n));c[b]>c[e]&&(q=!0);i=n=m=0;for(l=1;l<=a.z[f];++l)g=a.G[f][l],g!=e&&(0==n?n=g:i=g);0<i&&c[n]<c[i]&&(g=n,
+n=i,i=g);h=lz(a,f,n);1==a.s[h]&&5!=a.i[h]&&0==d[h]&&(m=n);0==m&&(h=lz(a,f,i),1==a.s[h]&&5!=a.i[h]&&(m=i));if(!(0==b||0==m))if(h=a.J[f]-a.J[e],g=a.M[f]-a.M[e],l=Math.sqrt(h*h+g*g),0.001>l&&(l=0.001),g/=l,h/=l,n=(a.M[b]-a.M[e])*h-(a.J[b]-a.J[e])*g,s=(a.M[m]-a.M[e])*h-(a.J[m]-a.J[e])*g,2>(0>=n?0-n:n)||2>(0>=s?0-s:s))D(a.n,"Not unique E/Z geometry !");else{i=lz(a,b,e);f=lz(a,m,f);m=1;if(0==d[i]){for(l=1;l<=a.z[b];++l)if(g=a.G[b][l],g!=e&&(h=lz(a,b,g),0!=d[h])){c[g]>c[b]?m=-d[h]:m=d[h];break}d[i]=m}0==
+d[f]&&(0<n&&0<s||0>n&&0>s?d[f]=-d[i]:d[f]=d[i],q&&(d[f]=-d[f]))}}}function qz(a,b){var c,d,e;e=0;for(d=1;d<=a.z[b];++d)if(c=lz(a,b,a.G[b][d]),1==a.s[c])e+=1;else if(sz(a,c))e+=2;else if(3==a.s[c])e+=3;else if(9==a.s[c])return-1;return e}function zz(a,b,c){var d;d=a.B[b];return 1>d||4<d?0:1==d&&a.H[b]==c?1:2==d&&a.H[b]==c?-1:3==d&&a.I[b]==c?1:4==d&&a.I[b]==c?-1:0}
+function ox(a){var b;for(b=1;b<=a.t;++b){var c=a,d=b,e=void 0,e=qz(c,d);if(-1==e)c.x[d]=0;else{switch(c.d[d]){case 1:2==e?c.A[d]=1:c.A[d]=0;c.x[d]=0;break;case 2:3==e||5==e?(c.x[d]=0,c.A[d]=0):3>e?c.x[d]=3-e-c.A[d]:4==e?(c.A[d]=-1,c.x[d]=0):5<e&&(c.A[d]=e-5,c.x[d]=0);break;case 3:case 6:4>e?0<c.A[d]?c.x[d]=2-e+c.A[d]:0>c.A[d]?c.x[d]=2-e-c.A[d]:c.x[d]=4-e:(c.A[d]=e-4,c.x[d]=4-e+c.A[d]);break;case 4:case 7:3>e?c.x[d]=3-e+c.A[d]:3==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:(c.A[d]=
+4==e?1:6==e?-1:e-5,c.x[d]=0);break;case 5:2==e&&(0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0);2<e&&(c.A[d]=e-2);c.x[d]=2-e+c.A[d];break;case 8:case 13:2>e?c.x[d]=2-e+c.A[d]:2==e?0>c.A[d]?(c.A[d]=0,c.x[d]=0):0<c.A[d]?c.x[d]=c.A[d]:c.x[d]=0:3==e?2==c.z[d]?(c.A[d]=0,c.x[d]=1):(c.A[d]=1,c.x[d]=0):4==e?(c.A[d]=0,c.x[d]=0):5==e?(c.A[d]=0,c.x[d]=1):(c.A[d]=e-6,c.x[d]=0);break;case 9:case 10:case 11:case 12:1<=e&&(c.A[d]=e-1);c.x[d]=1-e+c.A[d];2<e&&(c.A[d]=0,c.x[d]=0);break;case 19:case 18:c.x[d]=
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+function sy(a,b,c,d){var e,f,g,i,h,l,m,n;if(!a.bb&&(i=c-b+1,!(0>=i||b>a.ab||c>a.ab))){e=x(qx,t,-1,4,1);l=x(qx,t,-1,99,1);g=n=m=0;for(f=b;f<=c;++f)rx(a.T[f],e),m+=e[2],n+=e[3],e[3]>g&&(g=e[3]),l[f]=e[2],2==d&&(l[f]=e[3]);a.u&&(m+=25*(i+1),n+=25*(i+1),g+=25);(0==a.x.b||0==a.x.a)&&(a.x=at(a));0==a.x.b&&(a.x.b=400);0==a.x.a&&(a.x.a=300);h=f=1;e=a.x.b;i=a.x.a;a.u||(e-=a.N,i-=3*a.N);1==d||3==d?e=~~((e-48)/2):2==d&&(i=~~(i/2));m>=e&&(f=e/m);g>=i&&(h=i/g);g=0;a.u&&(a.w=f<h?f:h,g=25*e/m,2==d&&(g=25*i/n));
+for(f=b;f<=c;++f)2==d?l[f]=l[f]*i/n:l[f]=l[f]*e/m;m=-e/2;n=0;1==d?m=-e-24:3==d?m=24:2==d&&(m=0,n=-i);for(f=b;f<=c;++f){if(a.u){for(b=1;b<=a.T[f].s;++b)a.T[f].I[b]*=a.w,a.T[f].L[b]*=a.w;ty(a.T[f])}2==d?n+=l[f]/2+g:m+=l[f]/2+g;for(b=1;b<=a.T[f].s;++b)a.T[f].I[b]+=m,a.T[f].L[b]+=n;2==d?n+=l[f]/2:m+=l[f]/2;a.u||ux(a.T[f])}}}function uy(a){var b;a.Z=!0;a.b=202;a._=!1;if(0!=a.ab){a.Z=!0;vy(a.O);a.e=!0;for(b=a.d;b<a.ab;++b)a.T[b]=a.T[b+1];--a.ab;a.d=a.ab;0<a.ab?a.O=a.T[a.d]:(a.O=new wy(a),a.O.q=0)}}
+function zv(a,b){var c,d,e,f;e=new Iu;c=Xb;d="MOL";f="chemical structure";b&&(c="SMIRKS",d="RXN",f=Ae);c=new Cu(kb+f+ca+c+da);var g=(fy(),gy).b;c.c=g;Hu(e,c);c=new Cu(kb+f+ca+d+da);c.c=hy.b;Hu(e,c);Hu(e,new Cu(va));c=new Cu("Paste MOL");c.c=iy.b;Hu(e,c);e.j!=a&&(!a.Kb&&(a.Kb=new sg),e.j=a,mg(a.Kb,e));return e}
+function xy(a,b,c,d){var e,f,g;g=100*d+c;f=(c-1)*a.N;e=(d-1)*a.N;1==c&&2<d&&(e-=2*a.N);$(b,my);g==a.b?pu(b,f+1,e+1,a.N,a.N,!1):pu(b,f,e,a.N,a.N,!0);if(!(1301==g&&!a.gb||111==g))if(107!=g||a.eb)if(201!=g||a.qb)if(103!=g||a.W)if(!(105==g&&!a.cb&&!a.p)&&(109!=g||a.hb))if(c=~~(a.N/4),3>d)switch($(b,(Dt(),Jt)),g){case 101:$(b,Mt);c=f+3;g=e+3;var d=a.N-6,i=a.N-6;Hx(b,!0);Fx(b,Ix(b,c,g,d,i));$(b,Jt);c=f+3;g=e+3;d=a.N-6;i=a.N-6;Hx(b,!1);Fx(b,Ix(b,c,g,d,i));Gx(b,f+6,e+6,a.N-12,a.N-12,-35,-110);qu(b,f+9,e+
+9,2,4);qu(b,f+a.N-10,e+9,2,4);0.04>Math.random()&&($(b,Kt),qu(b,f+10,e+18,4,4));0.96<Math.random()&&($(b,Mt),qu(b,f+a.N-10,e+8,2,3));break;case 111:yy(a,b,f,e,"END");break;case 107:$(b,Lt);qu(b,f+4,e+4,a.N-8,a.N-8);$(b,Jt);Kx(b,f+4,e+4,a.N-8,a.N-8);Gx(b,f+6,e+6,a.N-11,a.N-12,-35,-110);qu(b,f+9,e+9,2,4);qu(b,f+a.N-10,e+9,2,4);break;case 108:c=~~(a.N/4);Z(b,f+c,e+a.N-c,f+a.N-c,e+c);c=~~(a.N/2)-c;g=e+~~(2*a.N/3);f+=~~(a.N/2);Z(b,f,g,f+c,g);e+=~~(a.N/3);a=f-c;Z(b,a,e,f,e);f=~~((a+f)/2);e-=~~(c/2);Z(b,
+f,e,f,e+c);break;case 110:Gx(b,f+6,e+7,a.N-12,a.N-14,270,270);Z(b,f+6,e+13,f+3,e+10);Z(b,f+6,e+13,f+9,e+10);break;case 109:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));Z(b,f+a.N-c,e+~~(a.N/2),f+a.N-~~(3*c/2),e+~~(a.N/2)+~~(c/2));Z(b,f+a.N-c,e+~~(a.N/2),f+a.N-~~(3*c/2),e+~~(a.N/2)-~~(c/2));break;case 102:$(b,Et);qu(b,f+3,e+5,a.N-7,a.N-11);$(b,Jt);Kx(b,f+3,e+5,a.N-7,a.N-11);break;case 103:$(b,my);a._&&pu(b,f+1,e+1,a.N,a.N,!1);$(b,Jt);yy(a,b,f,e,"NEW");break;case 106:$(b,Kt);Z(b,f+7,e+7,f+a.N-7,e+a.N-7);
+Z(b,f+8,e+7,f+a.N-6,e+a.N-7);Z(b,f+7,e+a.N-7,f+a.N-7,e+7);Z(b,f+8,e+a.N-7,f+a.N-6,e+7);$(b,Jt);Z(b,f+c,e+~~(a.N/2),f+12,e+~~(a.N/2));yy(a,b,f+6,e,Ob);break;case 104:$(b,Kt);Z(b,f+7,e+7,f+a.N-7,e+a.N-7);Z(b,f+8,e+7,f+a.N-6,e+a.N-7);Z(b,f+7,e+a.N-7,f+a.N-7,e+7);Z(b,f+8,e+a.N-7,f+a.N-6,e+7);$(b,Jt);break;case 105:a.pb?($(b,Ot),Z(b,f+11,e+5,f+9,e+9),Z(b,f+9,e+9,f+4,e+9),Z(b,f+4,e+9,f+8,e+12),Z(b,f+8,e+12,f+6,e+18),Z(b,f+6,e+18,f+11,e+15),Z(b,f+12,e+5,f+14,e+9),Z(b,f+14,e+9,f+19,e+9),Z(b,f+19,e+9,f+15,
+e+12),Z(b,f+15,e+12,f+17,e+18),Z(b,f+17,e+18,f+12,e+15),$(b,Jt)):yy(a,b,f,e,"123");break;case 112:$(b,Pt);qu(b,f+4,e+4,a.N-8,a.N-8);$(b,Jt);Kx(b,f+4,e+4,a.N-8,a.N-8);zy(a,b,f+1,e-1,Et,"i");break;case 201:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2)+2);Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2)-2);Z(b,f+a.N-c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)-2);break;case 202:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));break;case 203:Z(b,f+c,e+~~(a.N/2)-2,f+a.N-c,e+~~(a.N/2)-2);Z(b,f+c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)+2);break;
+case 204:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));Z(b,f+c,e+~~(a.N/2)-2,f+a.N-c,e+~~(a.N/2)-2);Z(b,f+c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)+2);break;case 205:a=Jx+Cd+(f+~~(c/2))+k+(e+2*c+~~(c/3))+ka+(f+3*~~(c/2))+k+(e+2*c-~~(c/3))+ja+b.d+la;Fx(b,a);a=Jx+Cd+(f+3*~~(c/2))+k+(e+2*c-~~(c/3))+ka+(f+5*~~(c/2))+k+(e+2*c+~~(c/3))+ja+b.d+la;Fx(b,a);e=Jx+Cd+(f+5*~~(c/2))+k+(e+2*c+~~(c/3))+ka+(f+7*~~(c/2))+k+(e+2*c-~~(c/3))+ja+b.d+la;Fx(b,e);break;case 206:Ay(a,b,f,e+2,3);break;case 207:Ay(a,b,f,e,4);break;case 208:Ay(a,
+b,f,e,5);break;case 209:Ay(a,b,f,e,1);break;case 210:Ay(a,b,f,e,6);break;case 211:Ay(a,b,f,e,7);break;case 212:Ay(a,b,f,e,8)}else c=3,301==g?c=3:401==g?c=4:501==g?c=5:601==g?c=8:701==g?c=9:801==g?c=10:901==g?c=11:1001==g?c=12:1101==g?c=7:1201==g?c=18:1301==g&&(c=19),null!=Hv[c]&&zy(a,b,f,e,Gv[c],Hv[c])}
+function By(a){var b,c,d;a.X&&(d=a.z.a,c=a.x.b-a.N,b=a.N,$(d,my),qu(d,0,0,c,b),$(d,ny),Z(d,0,0,c-1-2,0),$(d,Rt(my)),Z(d,0,b-1,c-1,b-1),Z(d,c-1,0,c-1,b-1),Nx(d,a.L),$(d,(Dt(),Jt)),0==a.A.indexOf("E")&&$(d,Kt),Mx(d,a.A,10,15),ex(a.vb,a.z,a.N,a.x.a-a.N))}function Cy(a){var b,c,d;if(a.Y){d=a.F.a;c=a.N;b=a.x.a-2*a.N;$(d,my);qu(d,0,0,c,b);$(d,ny);Z(d,0,0,0,b-1);Z(d,0,Av*a.N,b-1,Av*a.N);$(d,Rt(my));Z(d,c-1,0,c-1,b-1-a.N);Z(d,0,b-1,c-1,b-1);for(b=3;b<=Av+2;++b)xy(a,d,1,b);ex(a.vb,a.F,0,2*a.N)}}
+function Dy(a){var b,c,d,e;if(a.Z){e=a.S.a;c=a.x.b-a.N;b=a.x.a-3*a.N;$(e,a.r);qu(e,0,0,c,b);for(d=1;d<=a.ab;++d){var f=a.T[d],g=e,i=void 0,h=void 0,l=void 0,m=void 0,n=void 0,q=m=n=void 0,u=void 0,P=h=n=i=n=i=void 0,I=l=void 0,M=void 0,Y=q=void 0,Sa=u=n=I=void 0,N=q=void 0,ha=M=void 0,Xa=P=h=i=P=h=Y=ha=q=q=void 0,Sa=N=l=n=l=void 0,m=u=1,Sa=2,M=3;f.v&&(ty(f),sy(f.k,1,f.k.ab,0),f.v=!1);1!=f.k.w&&(Sa*=f.k.w,M*=f.k.w,i=1,0.7>f.k.w&&(i=1.2),i=F(10*f.k.w*i),f.k.j=new gu(rb,0,i),f.k.k=null);f.k.v&&($(g,
+(Dt(),Jt)),Kx(g,0,0,f.k.x.b-1,f.k.x.a-1));if(0!=f.s){if(-1==f.j){n=H(G(Math.round(12*Sa)));for(i=1;i<=f.s;++i)0<f.b[i]&&7>f.b[i]&&($(g,(ly(),py)[f.b[i]]),l=g,h=F(f.I[i]-n/2),P=F(f.L[i]-n/2),q=ha=n,Hx(l,!0),Fx(l,Ix(l,h,P,ha,q)));for(i=1;i<=f.t;++i)h=f.G[i],l=f.H[i],0!=f.b[h]&&f.b[h]==f.b[l]&&($(g,(ly(),py)[f.b[h]]),q=f.I[l]-f.I[h],u=f.L[l]-f.L[h],m=Math.sqrt(q*q+u*u),1>m&&(m=1),u/=m,m=q/m,N=3*M*u,q=3*M*m,P=x(D,o,-1,4,1),n=x(D,o,-1,4,1),P[0]=F(f.I[h]+N),n[0]=F(f.L[h]-q),P[1]=F(f.I[l]+N),n[1]=F(f.L[l]-
+q),P[2]=F(f.I[l]-N),n[2]=F(f.L[l]+q),P[3]=F(f.I[h]-N),n[3]=F(f.L[h]+q),l=g,h=P,Hx(l,!0),Fx(l,Tx(l,h,n,4,!0)))}for(i=1;i<=f.t;++i){$(g,(Dt(),Jt));h=f.G[i];l=f.H[i];1==f.j&&0!=f.b[h]&&f.b[h]==f.b[l]&&$(g,(ly(),py)[f.b[h]]);if(3==f.A[i]||4==f.A[i])n=h,h=l,l=n;ha=f.I[h];P=f.L[h];h=f.I[l];l=f.L[l];if(1!=f.r[i]||0!=f.A[i])q=h-ha,u=l-P,m=Math.sqrt(q*q+u*u),1>m&&(m=1),u/=m,m=q/m;switch(f.r[i]){case 2:10<=f.A[i]&&$(g,Nt);N=Sa*u;q=Sa*m;Z(g,H(G(Math.round(ha+N))),H(G(Math.round(P-q))),H(G(Math.round(h+N))),
+H(G(Math.round(l-q))));Z(g,H(G(Math.round(ha-N))),H(G(Math.round(P+q))),H(G(Math.round(h-N))),H(G(Math.round(l+q))));$(g,Jt);break;case 3:n=H(G(Math.round(ha)));P=H(G(Math.round(P)));h=H(G(Math.round(h)));l=H(G(Math.round(l)));Z(g,n,P,h,l);q=H(G(Math.round(M*u)));ha=H(G(Math.round(M*m)));Z(g,n+q,P-ha,h+q,l-ha);Z(g,n-q,P+ha,h-q,l+ha);break;case 9:case 0:for(I=0;10>I;++I)Y=ha-(ha-h)/10*I,Xa=P-(P-l)/10*I,Z(g,H(G(Math.round(Y))),H(G(Math.round(Xa))),H(G(Math.round(Y))),H(G(Math.round(Xa))));Nx(g,f.k.j);
+n=iu(f.k.k.c).a;q=f.e[i];N=Qa;null!=q&&(N=q);q=Nu(f.k.k,N);h=H(G(Math.round((ha+h)/2-q/2)));l=H(G(Math.round((P+l)/2+~~(n/2)-1)));$(g,Nt);Mx(g,N,h,l);$(g,Jt);break;default:if(1==f.A[i]||3==f.A[i])N=M*u,q=M*m,Y=x(D,o,-1,3,1),I=x(D,o,-1,3,1),Y[0]=H(G(Math.round(h+N))),I[0]=H(G(Math.round(l-q))),Y[1]=H(G(Math.round(ha))),I[1]=H(G(Math.round(P))),Y[2]=H(G(Math.round(h-N))),I[2]=H(G(Math.round(l+q))),n=g,l=Y,h=I,Hx(n,!0),Fx(n,Tx(n,l,h,3,!0));else if(2==f.A[i]||4==f.A[i]){N=M*u;q=M*m;for(I=0;10>I;++I)Y=
+ha-(ha-h)/10*I,Xa=P-(P-l)/10*I,n=I/10,Z(g,H(G(Math.round(Y+N*n))),H(G(Math.round(Xa-q*n))),H(G(Math.round(Y-N*n))),H(G(Math.round(Xa+q*n))))}else Z(g,H(G(Math.round(ha))),H(G(Math.round(P))),H(G(Math.round(h))),H(G(Math.round(l))))}}Nx(g,f.k.j);n=iu(f.k.k.c).a;Sa=x(Rn,t,1,f.s+1,0);for(i=1;i<=f.s;++i)N=Ey(f,i),3==f.c[i]&&0<f.y[i]&&0==f.z[i]?Sa[i]=N:(f.k.lb&&(0<f.w[i]&&(N+=qb),1<f.w[i]&&(N+=f.w[i])),0!=f.z[i]&&(1<(0>f.z[i]?-f.z[i]:f.z[i])&&(N+=0>f.z[i]?-f.z[i]:f.z[i]),0<f.z[i]?N+=ta:N+=va),Sa[i]=N,
+(null==N||1>N.length)&&(N=ra),q=Nu(f.k.k,N),h=H(G(T(f.I[i]-q/2))),l=H(G(T(f.L[i]+~~(n/2)-1))),$(g,f.k.r),-1==f.j&&0!=f.b[i]&&$(g,(ly(),py)[f.b[i]]),qu(g,h-1,l-n+2,q+1,n-1),1==f.j?0!=f.b[i]?$(g,(ly(),py)[f.b[i]]):$(g,(Dt(),Jt)):$(g,(ly(),Gv)[f.c[i]]),Mx(g,N,h,l));for(I=1;I<=f.x;++I)i=f.p[I][0],q=Nu(f.k.k,Sa[i]),h=H(G(T(f.I[i]-q/2))),l=H(G(T(f.L[i]+~~(n/2)-1))),$(g,(Dt(),Nt)),Mx(g,ba+f.p[I][1],h+q,l);if(0<f.C||0<f.D)if($(g,104==f.k.b?(Dt(),Kt):(Dt(),Pt)),0<f.C&&106!=f.k.b&&(q=Nu(f.k.k,Sa[f.C]),Kx(g,
+H(G(T(f.I[f.C]-q/2-1))),H(G(T(f.L[f.C]-n/2-1))),q+2,n+2)),0<f.D&&(h=f.G[f.D],l=f.H[f.D],q=f.I[l]-f.I[h],u=f.L[l]-f.L[h],m=Math.sqrt(q*q+u*u),1>m&&(m=1),u/=m,m=q/m,N=(M+1)*u,q=(M+1)*m,Y=x(D,o,-1,5,1),I=x(D,o,-1,5,1),Y[0]=H(G(T(f.I[h]+N))),Y[1]=H(G(T(f.I[l]+N))),I[0]=H(G(T(f.L[h]-q))),I[1]=H(G(T(f.L[l]-q))),Y[3]=H(G(T(f.I[h]-N))),Y[2]=H(G(T(f.I[l]-N))),I[3]=H(G(T(f.L[h]+q))),I[2]=H(G(T(f.L[l]+q))),Y[4]=Y[0],I[4]=I[0],106!=f.k.b&&(M=g,i=Y,u=I,Hx(M,!1),Fx(M,Tx(M,i,u,5,!0))),106==f.k.b&&Fy(f,f.G[f.D],
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+a.H[a.D],h)]){b=!0;break}b||(a.r[a.D]=2)}a.r[a.t-4]=2;a.c[a.s-2]=5}else 0<a.C?221==a.k.b?(a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t-1]=1,a.r[a.t-3]=2,a.r[a.t]=2,a.c[a.s-1]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5);h=x(D,o,-1,a.s+1,1);for(f=1;f<=i;++f)b=a.s-i+f,c=a.t-i+f,a.F[b][1]=b-1,a.F[b][2]=b+1,b=a.G[c],e=a.H[c],a.J[c]=H(G(T((a.I[b]+a.I[e])/2))),a.M[c]=H(G(T((a.L[b]+a.L[e])/2)));a.F[a.s-
+i+1][1]=a.s;a.F[a.s][2]=a.s-i+1;for(f=a.s-i+1;f<=a.s;++f){h[f]=0;g=51;c=0;for(b=1;b<=a.s-i;++b)e=a.I[f]-a.I[b],d=a.L[f]-a.L[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.C||c==a.C)&&(h[f]=c)}g=a.t-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.G[f],e=a.H[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.G[c]==h[b]&&a.H[c]==h[e]||a.H[c]==h[b]&&a.G[c]==h[e])continue a;tx(a);a.r[a.t]=a.r[f];a.G[a.t]=h[b];a.F[h[b]][++a.y[h[b]]]=h[e];a.H[a.t]=h[e];a.F[h[e]][++a.y[h[e]]]=h[b];a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2)));
+a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))}else 0<h[b]?(tx(a),a.r[a.t]=a.r[f],a.G[a.t]=h[b],a.F[h[b]][++a.y[h[b]]]=e,a.H[a.t]=e,a.F[e][++a.y[e]]=h[b],a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))):0<h[e]&&(tx(a),a.r[a.t]=a.r[f],a.G[a.t]=h[e],a.F[h[e]][++a.y[h[e]]]=b,a.H[a.t]=b,a.F[b][++a.y[b]]=h[e],a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2))));d=a.s-i;for(f=a.s;f>d;--f)if(0<h[f]&&(nx(a,
+f),3==a.c[h[f]])){m=0;for(b=1;b<=a.y[h[f]];++b){e=a.F[h[f]][b];for(c=1;c<=a.t;++c)(a.G[c]==h[f]&&a.H[c]==e||a.G[c]==e&&a.H[c]==h[f])&&(m+=a.r[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.r[c]=1}0<a.C&&yz(a,i);-1<l&&(a.C=l)}
+function zz(a,b,c,d){var e,f,g,i,h,l;0==a.y[a.C]?(e=0,f=1):(e=a.F[a.C][1],f=a.I[a.C]-a.I[e],e=a.L[a.C]-a.L[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.I[a.C]+d*f;l=a.L[a.C]+d*e;for(g=1;g<=b;++g)Yy(a),i=c*g-1.5707963267948966,a.I[a.s]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.L[a.s]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}function yz(a,b){var c,d;0==b&&(b=a.s);for(c=a.s;c>a.s-b;--c)d=mx(a,c),0!=d&&(a.I[c]+=6,a.L[c]+=6)}
+function wz(a,b,c){var d;for(d=1;d<=a.t;++d)if(a.G[d]==b&&a.H[d]==c||a.G[d]==c&&a.H[d]==b)return d;return 0}function Az(a,b,c){var d,e,f,g;e=yf;for(f=g=0;;){++g;for(d=1;d<=a.s;++d)if(so(c[d])){e=c[d];break}for(d=1;d<=a.s;++d)so(c[d])&&!ho(c[d],e)&&(e=c[d]);for(d=1;d<=a.s;++d)mo(c[d],e)&&(b[d]=g,c[d]=yf,++f);if(f==a.s)break}return g==a.s}
+function ty(a){var b,c,d;b=x(qx,t,-1,4,1);d=c=0;a.k&&a.k.x&&0<a.k.x.b&&(c=a.k.x.b-a.k.N,d=a.k.x.a-3*a.k.N);if(0>=c||0>=d)a.v=!0;else{rx(a,b);c=~~(c/2)-H(G(Math.round(b[0])));d=~~(d/2)-H(G(Math.round(b[1])));if(!a.k.bb)for(b=1;b<=a.s;++b)a.I[b]+=c,a.L[b]+=d;ux(a)}}
+function rx(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.s;++c)a.I[c]<f&&(f=a.I[c]),a.I[c]>d&&(d=a.I[c]),a.L[c]<g&&(g=a.L[c]),a.L[c]>e&&(e=a.L[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function Ty(a,b,c){var d;if(1==c)++a.z[b];else if(-1==c)--a.z[b];else switch(d=Bz(a,b),-1==d&&0==c&&(0==a.z[b]?a.z[b]=1:1==a.z[b]?a.z[b]=-1:-1==a.z[b]&&(a.z[b]=0)),a.c[b]){case 2:2<d&&E(a.k,"Charge change not possible on this boron !");0==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0);break;case 3:3<d?E(a.k,"Charge change not possible on this carbon !"):4>d&&(0==a.z[b]?a.z[b]=-1:-1==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0));break;case 4:case 7:3<d?E(a.k,"Charge change not possible on multibonded N or P !"):3==
+d&&0==a.z[b]?a.z[b]=1:3==d&&1==a.z[b]?a.z[b]=0:3>d&&0==a.z[b]?a.z[b]=1:3>d&&1==a.z[b]?a.z[b]=-1:3>d&&-1==a.z[b]&&(a.z[b]=0);break;case 5:case 8:case 13:2<d?E(a.k,"Charge change not possible on multibonded O or S !"):2==d&&0==a.z[b]?a.z[b]=1:2==d&&1==a.z[b]?a.z[b]=0:2>d&&0==a.z[b]?a.z[b]=-1:2>d&&-1==a.z[b]?a.z[b]=1:2>d&&1==a.z[b]&&(a.z[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.z[b]?a.z[b]=-1:0==d&&-1==a.z[b]?a.z[b]=0:E(a.k,"Charge change not possible on the halogen !");break;case 18:E(a.k,
+"Use X button to change charge on the X atom !")}}
+function ez(a,b){var c,d,e,f,g;f=0;g=!1;for(a.a=x(D,o,-1,a.s+1,1);;){for(e=1;e<=a.s;++e)if(0==a.a[e]){a.a[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],0<a.a[c]&&0==a.a[d]?(a.a[d]=f,g=!0):0<a.a[d]&&0==a.a[c]&&(a.a[c]=f,g=!0)}}if(2>f||!b)return f;g=x(D,o,-1,f+1,1);for(c=1;c<=a.s;++c)++g[a.a[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.s;1<=c;--c)a.a[c]!=d&&nx(a,c);ty(a);E(a.k,"Smaller part(s) removed !");return 1}
+function mx(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.s;++e)b!=e&&(c=a.I[b]-a.I[e],d=a.L[b]-a.L[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function wx(a){var b,c,d;for(d=1;d<=a.t;++d){b=a.G[d];c=a.H[d];if(1==a.z[b]&&-1==a.z[c]||-1==a.z[b]&&1==a.z[c])if(1==a.r[d]||2==a.r[d]){if(3!=a.c[b]&&3!=a.c[c]&&a.k.db)continue;if(1==a.c[b]||1==a.c[c])continue;if(2==a.c[b]||2==a.c[c])continue;if(9==a.c[b]||10==a.c[b]||11==a.c[b]||12==a.c[b]||9==a.c[c]||10==a.c[c]||11==a.c[c]||12==a.c[c])continue;a.z[b]=0;a.z[c]=0;++a.r[d];vx(a)}1==a.z[b]&&1==a.z[c]&&(2==a.r[d]?a.r[d]=1:3==a.r[d]&&(a.r[d]=2),vx(a));4==a.r[d]&&(a.r[d]=1)}}
+function vz(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function Qv(a){var b;Cz(a);b=a.r.length;a.J=x(D,o,-1,b,1);a.M=x(D,o,-1,b,1);ux(a);vx(a)}
+function Yy(a){var b,c;++a.s;a.s>a.c.length-1&&(c=a.c.length+10,b=x(D,o,-1,c,1),zw(a.c,b,a.c.length),a.c=b,b=x(D,o,-1,c,1),zw(a.z,b,a.z.length),a.z=b,b=x(D,o,-1,c,1),zw(a.w,b,a.w.length),a.w=b,b=x(D,o,-1,c,1),zw(a.b,b,a.b.length),a.b=b,b=x(Rn,t,1,c,0),zw(a.d,b,a.d.length),a.d=b,b=x(Rn,t,1,c,0),zw(a.n,b,a.n.length),a.n=b,b=x(qx,t,-1,c,1),zw(a.I,b,a.I.length),a.I=b,b=x(qx,t,-1,c,1),zw(a.L,b,a.L.length),a.L=b,b=Gn([c,7]),zw(a.F,b,a.F.length),a.F=b,c=x(D,o,-1,c,1),zw(a.y,c,a.y.length),a.y=c);a.c[a.s]=
+3;a.z[a.s]=0;a.b[a.s]=0;a.d[a.s]=null;a.w[a.s]=0}function tx(a){var b,c;++a.t;a.t>a.r.length-1&&(b=a.r.length+10,c=x(D,o,-1,b,1),zw(a.G,c,a.G.length),a.G=c,c=x(D,o,-1,b,1),zw(a.H,c,a.H.length),a.H=c,c=x(D,o,-1,b,1),zw(a.r,c,a.r.length),a.r=c,c=x(D,o,-1,b,1),zw(a.A,c,a.A.length),a.A=c,c=x(D,o,-1,b,1),zw(a.J,c,a.J.length),a.J=c,c=x(D,o,-1,b,1),zw(a.M,c,a.M.length),a.M=c,b=x(Rn,t,1,b,0),zw(a.e,b,a.e.length),a.e=b);a.r[a.t]=1;a.A[a.t]=0;a.e[a.t]=null}
+function Ry(a,b){var c,d,e,f,g,i,h;if(0==a.s)return j;i=b;79<b.length&&(i=b.substr(0,76)+"...");i+=(ly(),aa);i+="JME 2013.01 "+new Ww+"\n \n";i+=Qy(a.s,3)+Qy(a.t,3);i+="  0  0  0  0  0  0  0  0999 V2000\n";g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.s;++e)a.L[e]>g&&(g=a.L[e]),a.I[e]<c&&(c=a.I[e]);for(e=1;e<=a.s;++e){i+=$y(0.055999999999999994*(a.I[e]-c),10,4)+$y(0.055999999999999994*(g-a.L[e]),10,4)+$y(0,10,4);h=Ey(a,e);1==h.length?h+="  ":2==h.length?h+=ba:3<h.length&&(h="Q  ");
+i+=ba+h;d=0;0<a.z[e]&&4>a.z[e]?d=4-a.z[e]:0>a.z[e]&&-4<a.z[e]&&(d=4-a.z[e]);h=" 0"+Qy(d,3)+"  0  0  0  0  0  0  0";f=-1;for(d=1;d<=a.x;++d)if(a.p[d][0]==e){f=a.p[d][1];break}-1<f?h+=Qy(f,3):h+="  0";i+=h+"  0  0\n"}for(e=1;e<=a.t;++e)g=a.r[e],1==a.r[e]?g=1:Dz(a,e)&&(g=2),c=Qy(a.G[e],3)+Qy(a.H[e],3),d=0,1==a.r[e]&&1==a.A[e]?d=1:1==a.r[e]&&2==a.A[e]&&(d=6),1==a.r[e]&&3==a.A[e]&&(d=1,c=Qy(a.H[e],3)+Qy(a.G[e],3)),1==a.r[e]&&4==a.A[e]&&(d=6,c=Qy(a.H[e],3)+Qy(a.G[e],3)),i+=c+Qy(g,3)+Qy(d,3)+"  0  0  0\n";
+for(e=1;e<=a.s;++e)0!=a.z[e]&&(i+="M  CHG  1"+Qy(e,4)+Qy(a.z[e],4)+aa);return i+"M  END\n"}
+function az(a){var b,c,d,e,f,g,i,h,l,m,n,q,u,P,I,M,Y,Sa,N,ha,Xa,td,jn,kn,Nc,ln,Bg,af,Oc,bf;n=x(D,o,-1,a.s+10,1);q=x(D,o,-1,a.s+10,1);l=x(D,o,-1,a.s+1,1);m=x(D,o,-1,7,1);Nc=x(D,o,-1,a.s+1,1);P=x(Ez,t,-1,a.s+1,2);I=x(Ez,t,-1,a.t+1,2);td=0;if(0==a.s)return j;ez(a,!0);kn=!0;for(h=1;h<=a.t;++h)if(9==a.r[h]){kn=!1;break}if(a.k.q&&kn){Fz(a);wx(a);Gz(a,I);Hz(a,P,I);var vb,Pc,on,wb,nj,oj,Cg,Ea,kz,tc,r,fa,pj,qj,pn,ud,sa,rj,sj,xb,tj;vb=x(D,o,-1,a.s+1,1);Pc=x(D,o,-1,a.s+1,1);Ea=x(Iz,t,-1,a.s+1,3);var qn=a.s,
+uj,cf,rn,ae,Dg,Qc,vd;Dg=x(Iz,t,-1,qn+2,3);Qc=x(D,o,-1,100,1);vd=5;ae=0;Qc[0]=3;Dg[1]=Af;Dg[2]=Bf;rn=2;if(!(3>qn))for(;vd<Qc[ae]*Qc[ae];){cf=0;for(uj=!0;uj&&cf<=ae&&vd>=Qc[cf]*Qc[cf];)0==vd%Qc[cf]?uj=!1:++cf;if(uj){Dg[++rn]=po(vd);if(rn>=qn)break;ae<Qc.length-1&&(++ae,Qc[ae]=vd)}vd+=2}for(r=1;r<=a.s;++r){for(fa=sj=1;fa<=a.t;++fa)(a.G[fa]==r||a.H[fa]==r)&&(sj*=a.f[fa]);rj=a.c[r];18==rj&&(tj=a.n[r],oj=tj.charCodeAt(0)-65+1,Cg=0,1<tj.length&&(Cg=tj.charCodeAt(1)-97),0>oj&&(oj=0),0>Cg&&(Cg=0),rj=28*oj+
+Cg);ud=0;-2>a.z[r]?ud=1:-2==a.z[r]?ud=2:-1==a.z[r]?ud=3:1==a.z[r]?ud=4:2==a.z[r]?ud=5:2<a.z[r]&&(ud=6);xb=1;Ea[r]=po(sj);xb*=126;Ea[r]=ko(Ea[r],po(a.w[r]*xb));xb*=7;Ea[r]=ko(Ea[r],po(ud*xb));xb*=7;Ea[r]=ko(Ea[r],po(rj*xb));xb*=783;Ea[r]=ko(Ea[r],po(a.y[r]*xb))}for(nj=0;!Az(a,vb,Ea);){pn=!1;for(r=1;r<=a.s;++r)vb[r]!=Pc[r]&&(Pc[r]=vb[r],pn=!0);if(pn){for(r=1;r<=a.s;++r){Ea[r]=zf;for(fa=1;fa<=a.y[r];++fa)Ea[r]=to(Ea[r],Dg[vb[a.F[r][fa]]])}nj=0}else if(0<nj){for(r=1;r<=a.s;++r)Ea[r]=zf;r=1;a:for(;r<=
+a.s-1;++r)for(fa=r+1;fa<=a.s;++fa)if(vb[r]==vb[fa]){Ea[r]=Af;break a}}else{for(r=1;r<=a.s;++r){Ea[r]=zf;for(fa=1;fa<=a.y[r];++fa)on=a.F[r][fa],Ea[r]=to(Ea[r],po(a.c[on]*a.f[wz(a,r,on)]))}nj=1}Az(a,vb,Ea);for(r=1;r<=a.s;++r)Ea[r]=po(Pc[r]*a.s+vb[r])}for(r=1;r<=a.s;++r)Pc[r]=vb[r];for(sa=1;sa<=a.s;++sa)for(r=1;r<=a.s;++r)if(Pc[r]==sa){a.c[0]=a.c[r];a.z[0]=a.z[r];a.I[0]=a.I[r];a.L[0]=a.L[r];a.y[0]=a.y[r];a.c[r]=a.c[sa];a.z[r]=a.z[sa];a.I[r]=a.I[sa];a.L[r]=a.L[sa];a.y[r]=a.y[sa];a.c[sa]=a.c[0];a.z[sa]=
+a.z[0];a.I[sa]=a.I[0];a.L[sa]=a.L[0];a.y[sa]=a.y[0];Pc[r]=Pc[sa];Pc[sa]=sa;a.n[0]=a.n[r];a.n[r]=a.n[sa];a.n[sa]=a.n[0];a.b[0]=a.b[r];a.b[r]=a.b[sa];a.b[sa]=a.b[0];a.d[0]=a.d[r];a.d[r]=a.d[sa];a.d[sa]=a.d[0];a.w[0]=a.w[r];a.w[r]=a.w[sa];a.w[sa]=a.w[0];break}for(r=1;r<=a.x;++r)a.p[r][0]=vb[a.p[r][0]];for(r=1;r<=a.t;++r)a.G[r]=vb[a.G[r]],a.H[r]=vb[a.H[r]],a.G[r]>a.H[r]&&(tc=a.G[r],a.G[r]=a.H[r],a.H[r]=tc,1==a.A[r]?a.A[r]=3:2==a.A[r]?a.A[r]=4:3==a.A[r]?a.A[r]=1:4==a.A[r]&&(a.A[r]=2));for(r=1;r<a.t;++r){qj=
+pj=a.s;wb=0;for(fa=r;fa<=a.t;++fa)a.G[fa]<pj?(pj=a.G[fa],qj=a.H[fa],wb=fa):a.G[fa]==pj&&a.H[fa]<qj&&(qj=a.H[fa],wb=fa);tc=a.G[r];a.G[r]=a.G[wb];a.G[wb]=tc;tc=a.H[r];a.H[r]=a.H[wb];a.H[wb]=tc;tc=a.r[r];a.r[r]=a.r[wb];a.r[wb]=tc;tc=a.A[r];a.A[r]=a.A[wb];a.A[wb]=tc;kz=a.e[r];a.e[r]=a.e[wb];a.e[wb]=kz}Qv(a);vx(a);Gz(a,I);Hz(a,P,I)}else{Gz(a,I);a.f=x(D,o,-1,a.t+1,1);for(u=1;u<=a.t;++u)a.f[u]=a.r[u]}c=1;a.a=x(D,o,-1,a.s+1,1);bf=1;a.a[1]=1;for(ha=0;;){Xa=0;for(u=1;u<=a.y[c];++u)if(g=a.F[c][u],0<a.a[g]){if(!(a.a[g]>
+a.a[c])&&g!=Nc[c]){jn=!0;for(Y=1;Y<=td;++Y)if(n[Y]==c&&q[Y]==g||n[Y]==g&&q[Y]==c){jn=!1;break}jn&&(++td,n[td]=c,q[td]=g)}}else m[++Xa]=g;if(0==Xa){if(bf==a.s)break;c=l[ha--]}else if(1==Xa)Nc[m[1]]=c,c=m[1],a.a[c]=++bf;else{l[++ha]=c;e=0;for(u=1;u<=Xa;++u)if(h=wz(a,m[u],c),!I[h]){e=m[u];break}if(0==e)for(u=1;u<=Xa;++u)if(h=wz(a,m[u],c),2==a.f[h]||3==a.f[h]){e=m[u];break}0==e&&(e=m[1]);Nc[e]=c;c=e;a.a[e]=++bf}}Nc=x(D,o,-1,a.s+1,1);b=x(D,o,-1,a.s+1,1);Sa=x(Ez,t,-1,a.s+1,2);ln=x(Ez,t,-1,a.s+1,2);f=bf=
+ha=0;for(u=1;u<=a.s;++u)if(1==a.a[u]){c=u;break}a:for(;;){0<f&&(Nc[c]=f);b[++bf]=c;for(a.a[c]=0;;){Xa=e=0;N=a.s+1;u=1;b:for(;u<=a.y[c];++u){g=a.F[c][u];for(M=1;M<=td;++M)if(n[M]==g&&q[M]==c||n[M]==c&&q[M]==g)continue b;0<a.a[g]&&(++Xa,a.a[g]<N&&(e=g,N=a.a[g]))}if(0==e){if(0==ha)break a;ln[c]=!0;c=l[ha--]}else break}f=c;c=e;1<Xa&&(l[++ha]=f,Sa[e]=!0)}Bg=x(D,o,-1,a.t+1,1);af=x(D,o,-1,a.s+1,1);if(a.k.qb){var mz=Nc,qA=td,sn,nz,df,Rc,tn,un,pa,Eg,vn;df=x(D,o,-1,a.s+1,1);for(pa=1;pa<=a.s;++pa)df[b[pa]]=
+pa;tn=x(Ez,t,-1,a.t+1,2);for(pa=1;pa<=a.s;++pa)sn=b[pa],nz=mz[sn],Rc=wz(a,sn,nz),0!=Rc&&(Jz(a,Rc,df,Bg,I),tn[Rc]=!0);for(pa=1;pa<=a.t;++pa)tn[pa]||Jz(a,pa,df,Bg,I);pa=1;a:for(;pa<=a.s;++pa)if(!(2>a.y[pa]||4<a.y[pa])){un=vn=0;for(Eg=1;Eg<=a.y[pa];++Eg){Rc=wz(a,pa,a.F[pa][Eg]);if(5==a.f[Rc])continue a;1==a.r[Rc]&&0!=Kz(a,Rc,pa)&&++vn;2==a.r[Rc]&&(un=a.F[pa][Eg])}if(0!=vn)if(0<un){var X=a,pz=pa,wd=df,Hb=af,ib=void 0,Fg=void 0,yb=void 0,Sc=void 0,zb=void 0,vj=void 0,wj=void 0,xj=void 0,uc=void 0,Ib=void 0,
+Jb=void 0,wn=void 0,Gg=void 0,vc=void 0,Hg=void 0,Tc=void 0,Ig=void 0,xn=void 0,Jg=void 0,Uc=void 0,qz=void 0,xd=void 0,rz=void 0,yn=void 0,Kg=void 0,yd=void 0,Jb=1,Fg=pz,ib=x(D,o,-1,X.s+1,1);for(ib[1]=pz;;){wn=!1;for(Ib=1;Ib<=X.y[Fg];++Ib)if(yb=X.F[Fg][Ib],!(yb==ib[1]||yb==ib[Jb-1]))if(Sc=wz(X,Fg,yb),2==X.r[Sc]&&5!=X.f[Sc]){Fg=ib[++Jb]=yb;wn=!0;break}if(!wn)break}if(!(0==Jb%2||2>X.y[ib[Jb]]||3<X.y[ib[Jb]])){yd=ib[1];zb=ib[~~((Jb+1)/2)];uc=ib[Jb];xd=Uc=Tc=vc=0;yn=xn=!1;for(Ib=1;Ib<=X.y[yd];++Ib)yb=
+X.F[yd][Ib],Sc=wz(X,yd,yb),1!=X.r[Sc]||5==X.f[Sc]||(0==vc?vc=yb:Tc=yb);0<wd[Tc]&&wd[vc]>wd[Tc]&&(vj=vc,vc=Tc,Tc=vj);Gg=vc;0==vc&&(Gg=Tc,xn=!0);for(Ib=1;Ib<=X.y[uc];++Ib)yb=X.F[uc][Ib],Sc=wz(X,uc,yb),1!=X.r[Sc]||5==X.f[Sc]||(0==Uc?Uc=yb:xd=yb);0<wd[xd]&&wd[Uc]>wd[xd]&&(vj=Uc,Uc=xd,xd=vj);Jg=Uc;0==Uc&&(Jg=xd,yn=!0);Hg=Kz(X,wz(X,yd,vc),yd);Ig=Kz(X,wz(X,yd,Tc),yd);qz=Kz(X,wz(X,uc,Uc),uc);rz=Kz(X,wz(X,uc,xd),uc);1<(0>Hg+Ig?-(Hg+Ig):Hg+Ig)||0!=qz||0!=rz?E(X.k,"Bad stereoinfo on allene !"):(wj=X.I[ib[Jb-
+1]]-X.I[uc],xj=X.L[ib[Jb-1]]-X.L[uc],Kg=Math.sqrt(wj*wj+xj*xj),0.001>Kg&&(Kg=0.001),0<(X.L[Jg]-X.L[ib[Jb-1]])*(wj/Kg)-(X.I[Jg]-X.I[ib[Jb-1]])*(xj/Kg)?Hb[zb]=1:Hb[zb]=-1,xn&&(Hb[zb]*=-1),yn&&(Hb[zb]*=-1),Gg==vc&&0>Hg&&(Hb[zb]*=-1),Gg==Tc&&0>Ig&&(Hb[zb]*=-1),wd[Gg]>wd[Jg]&&(Hb[zb]*=-1))}}else b:{var Na=a,wa=pa,zn=mz,sz=df,tz=n,uz=q,rA=qA,yj=af,zj=void 0,Kb=void 0,An=void 0,ef=void 0,ia=void 0,ff=void 0,$b=void 0,Lg=void 0,wc=void 0,Ya=void 0,V=void 0,U=void 0,Vc=void 0,Aj=void 0,Lb=void 0,y=void 0,
+Bj=void 0,U=x(D,o,-1,4,1),Aj=x(D,o,-1,4,1),Mg=void 0,Mb=void 0,Cj=void 0,Dj=void 0,Bn=void 0,Ng=void 0,Ng=-1;0<zn[wa]&&(U[++Ng]=zn[wa]);for(Mb=1;Mb<=rA;++Mb)tz[Mb]==wa&&(U[++Ng]=uz[Mb]),uz[Mb]==wa&&(U[++Ng]=tz[Mb]);for(Mb=Ng+1;Mb<Na.y[wa];++Mb){Bn=Na.s+1;Cj=1;c:for(;Cj<=Na.y[wa];++Cj){Mg=Na.F[wa][Cj];for(Dj=0;Dj<Mb;++Dj)if(Mg==U[Dj])continue c;sz[Mg]<Bn&&(Bn=sz[Mg],U[Mb]=Mg)}}0==zn[wa]&&0<Na.w[wa]?(U[3]=U[2],U[2]=U[1],U[1]=U[0],U[0]=-1):0<Na.w[wa]&&(U[3]=U[2],U[2]=U[1],U[1]=-1);for(ia=Lg=ff=ef=Bj=
+$b=Ya=0;4>ia;++ia)0>=U[ia]||(zj=wz(Na,wa,U[ia]),Aj[ia]=Kz(Na,zj,wa),0<Aj[ia]?(++Ya,Bj=U[ia],ff=U[ia]):0>Aj[ia]?(++$b,ef=U[ia],ff=U[ia]):Lg=U[ia]);wc=Ya+$b;y=x(D,o,-1,4,1);Lb=0;if(3==Na.y[wa]){if(1==Ya&&1==$b||3==wc&&0<Ya&&0<$b){E(Na.k,"Error in C3H stereospecification !");break b}Vc=U[0];1==wc?Vc=ff:2==wc&&(Vc=Lg);V=oz(Na,wa,Vc,U);y[0]=ff;y[1]=-1;y[2]=V[2];y[3]=V[1];0<Ya?Lb=1:Lb=-1}else if(4==Na.y[wa])if(1==wc)V=oz(Na,wa,ff,U),y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],0<Ya?Lb=1:Lb=-1;else{Vc=U[0];1<
+Lg&&(Vc=Lg);1==Ya?Vc=Bj:1==$b&&(Vc=ef);V=oz(Na,wa,Vc,U);Kb=x(D,o,-1,4,1);for(ia=0;4>ia;++ia)zj=wz(Na,wa,V[ia]),Kb[ia]=Kz(Na,zj,wa);if(4==wc){if(0==Ya||0==$b){E(Na.k,"Error in C4 stereospecification !");break b}if(1==Ya||1==$b)y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],Lb=Kb[0];else{for(ia=0;4>ia;++ia)-1==Kb[ia]&&(Kb[ia]=0);wc=2}}else if(3==wc)if(3==Ya||3==$b)y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],0<Ya?Lb=-1:Lb=1;else{1==Ya?Ya=An=1:$b=An=-1;for(ia=0;4>ia;++ia)Kb[ia]==An&&(Kb[ia]=0);wc=2}if(2==wc)if(1==
+Ya&&1==$b)V[1]==ef?(V[1]=V[2],V[2]=V[3]):V[2]==ef&&(V[2]=V[3]),y[0]=Bj,y[1]=ef,y[2]=V[2],y[3]=V[1],Lb=1;else{if(Kb[0]==Kb[1]||Kb[1]==Kb[2]){E(Na.k,"Error in C4 stereospecification ! 2/0r");break b}0!=Kb[0]?(y[0]=V[0],y[1]=V[2],y[2]=V[1],y[3]=V[3]):(y[0]=V[1],y[1]=V[3],y[2]=V[2],y[3]=V[0]);1<Ya?Lb=1:Lb=-1}}var Ia=void 0;U[0]==y[1]?(Ia=y[0],y[0]=y[1],y[1]=Ia,Ia=y[2],y[2]=y[3],y[3]=Ia):U[0]==y[2]?(Ia=y[2],y[2]=y[0],y[0]=Ia,Ia=y[1],y[1]=y[3],y[3]=Ia):U[0]==y[3]&&(Ia=y[3],y[3]=y[0],y[0]=Ia,Ia=y[1],y[1]=
+y[2],y[2]=Ia);U[1]==y[2]?(Ia=y[1],y[1]=y[2],y[2]=Ia,Ia=y[2],y[2]=y[3],y[3]=Ia):U[1]==y[3]&&(Ia=y[1],y[1]=y[3],y[3]=Ia,Ia=y[2],y[2]=y[3],y[3]=Ia);y[2]==U[2]?yj[wa]=1:y[2]==U[3]?yj[wa]=-1:E(Na.k,"Error in stereoprocessing ! - t30");yj[wa]*=Lb}}}Oc=new yw;i=x(D,o,-1,a.s+1,1);for(u=1;u<=a.s;++u)i[b[u]]=u;for(u=1;u<=a.s;++u){c=b[u];Sa[c]&&Kj(Oc.a,oa);0<Nc[u]&&Lz(a,c,Nc[c],Oc,Bg);var gf=P[c],Ua=void 0,Og=void 0,hf=void 0,L=void 0,L=fc,Ua=!1;0!=a.z[c]&&(Ua=!0);0!=af[c]&&(Ua=!0);hf=-1;for(Og=1;Og<=a.x;++Og)if(a.p[Og][0]==
+c){hf=a.p[Og][1];break}-1<hf&&(Ua=!0);a.k.pb&&0<a.b[c]&&(Ua=!0,hf=1);switch(a.c[c]){case 2:L=$a;break;case 3:gf?L="c":L=cb;break;case 4:gf?(L="n",0<a.w[c]&&(Ua=!0)):L=Ab;break;case 5:gf?L="o":L=Fb;break;case 7:gf?(L="p",0<a.w[c]&&(Ua=!0)):L=Nb;break;case 8:gf?L="s":L=Wb;break;case 13:gf?L="se":L=Yb;Ua=!0;break;case 6:L=Zb;Ua=!0;break;case 9:L=nb;break;case 10:L=gb;break;case 11:L=bb;break;case 12:L=sb;break;case 1:L=qb;Ua=!0;break;case 19:L=Ob;Ua=!0;break;case 20:L=Pb;Ua=!0;break;case 21:L=Qb;Ua=
+!0;break;case 22:L=Rb;Ua=!0;break;case 18:Ua=!0,L=a.n[c],(C(L,ra)||C(L,kc)||C(L,Ta))&&(Ua=!1)}Ua&&(L=gc+L,1==af[c]?L+=Ra:-1==af[c]&&(L+="@@"),1==a.w[c]?L+=qb:1<a.w[c]&&(L+=qb+a.w[c]),0!=a.z[c]&&(0<a.z[c]?L+=ta:L+=va,1<(0>a.z[c]?-a.z[c]:a.z[c])&&(L+=0>a.z[c]?-a.z[c]:a.z[c])),-1<hf&&(L+=Ja+hf),L+=ic);Kj(Oc.a,L);for(M=1;M<=td;++M)if(n[M]==c||q[M]==c)d=q[M],d==c&&(d=n[M]),i[c]<i[d]&&Lz(a,n[M],q[M],Oc,Bg),9<M&&Kj(Oc.a,"%"),Lj(Oc,j+(new Q(M)).a);ln[c]&&Kj(Oc.a,qa)}return pk(Oc.a)}
+function nx(a,b){var c,d,e,f;f=0;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],c!=b&&d!=b&&(++f,a.G[f]=c,c>b&&--a.G[f],a.H[f]=d,d>b&&--a.H[f],a.r[f]=a.r[e],a.A[f]=a.A[e],a.J[f]=a.J[e],a.M[f]=a.M[e],a.e[f]=a.e[e]);a.t=f;for(e=b;e<a.s;++e){a.c[e]=a.c[e+1];a.z[e]=a.z[e+1];a.I[e]=a.I[e+1];a.L[e]=a.L[e+1];a.w[e]=a.w[e+1];a.b[e]=a.b[e+1];a.d[e]=a.d[e+1];a.y[e]=a.y[e+1];a.n[e]=a.n[e+1];for(f=1;f<=a.y[e];++f)a.F[e][f]=a.F[e+1][f]}--a.s;if(0==a.s)uy(a.k);else{for(e=1;e<=a.s;++e){d=0;for(f=1;f<=a.y[e];++f)c=a.F[e][f],
+c==b?++a.w[e]:(c>b&&--c,a.F[e][++d]=c);a.y[e]=d}e=1;a:for(;e<=a.x;++e)if(a.p[e][0]==b){for(f=e;f<a.x;++f)a.p[f][0]=a.p[f+1][0],a.p[f][1]=a.p[f+1][1];--a.x;break a}for(e=1;e<=a.x;++e)a.p[e][0]>b&&--a.p[e][0]}}
+function ox(a,b){var c,d,e,f;c=a.G[b];d=a.H[b];for(e=b;e<a.t;++e)a.G[e]=a.G[e+1],a.H[e]=a.H[e+1],a.r[e]=a.r[e+1],a.A[e]=a.A[e+1],a.J[e]=a.J[e+1],a.M[e]=a.M[e+1],a.e[e]=a.e[e+1];--a.t;f=0;for(e=1;e<=a.y[c];++e)a.F[c][e]!=d&&(a.F[c][++f]=a.F[c][e]);a.y[c]=f;f=0;for(e=1;e<=a.y[d];++e)a.F[d][e]!=c&&(a.F[d][++f]=a.F[d][e]);a.y[d]=f;c<d&&(f=c,c=d,d=f);0==a.y[c]&&nx(a,c);0==a.y[d]&&nx(a,d)}
+function Fz(a){var b,c,d;if(!a.k.D){c=a.s;a:for(;1<=c;--c)if(d=a.F[c][1],1==a.c[c]&&1==a.y[c]&&0==a.z[c]&&1!=a.c[d]&&18>a.c[d]){for(b=1;b<=a.x;++b)if(a.p[b][0]==c)continue a;b=wz(a,c,d);1==a.r[b]&&(0==a.A[b]||!a.k.qb)&&nx(a,c)}}}function Cz(a){var b;b=a.c.length;a.F=Gn([b,7]);a.y=x(D,o,-1,b,1);for(b=1;b<=a.s;++b)a.y[b]=0;for(b=1;b<=a.t;++b)6>a.y[a.G[b]]&&(a.F[a.G[b]][++a.y[a.G[b]]]=a.H[b]),6>a.y[a.H[b]]&&(a.F[a.H[b]][++a.y[a.H[b]]]=a.G[b])}
+function Hz(a,b,c){var d,e,f,g,i,h,l,m,n;a.f=x(D,o,-1,a.t+1,1);n=x(Ez,t,-1,a.s+1,2);for(h=1;h<=a.s;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.y[h];++d)if(c[wz(a,h,a.F[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.y[h]+a.w[h]))switch(a.c[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.t;++i)1==a.r[i]?a.f[i]=1:Dz(a,i)?a.f[i]=2:3==a.r[i]&&(a.f[i]=3);i=1;a:for(;i<=a.t;++i)if(c[i]&&(f=a.G[i],g=a.H[i],n[f]&&n[g])){d=x(Ez,t,-1,a.s+1,2);for(h=1;h<=a.y[f];++h)e=a.F[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.s;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.y[h];++l){e=a.F[h][l];if(e==g){b[f]=!0;b[g]=!0;a.f[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function ux(a){var b,c,d;for(d=1;d<=a.t;++d)b=a.G[d],c=a.H[d],a.J[d]=H(G(T((a.I[b]+a.I[c])/2))),a.M[d]=H(G(T((a.L[b]+a.L[c])/2)))}function Gz(a,b){var c;for(c=1;c<=a.t;++c)Fy(a,a.G[c],a.H[c])?b[c]=!1:b[c]=!0}function Ey(a,b){var c;c=(ly(),Hv)[a.c[b]];18==a.c[b]&&(c=a.n[b]);return c}
+function Dz(a,b){return 2==a.r[b]?!0:!1}function Fy(a,b,c){var d,e,f,g;g=1;a.a=x(D,o,-1,a.s+1,1);for(d=1;d<=a.s;++d)a.a[d]=0;for(d=a.a[b]=1;d<=a.y[b];++d)a.F[b][d]!=c&&(a.a[a.F[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.s;++d){f=!1;if(0<a.a[d]&&d!=b)for(e=1;e<=a.y[d];++e)0==a.a[a.F[d][e]]&&(a.a[a.F[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.a[c]}
+function Wy(a){var b,c;a.k.G=!0;if(a.k.pb)a.j=-1,0==a.b[a.C]?a.b[a.C]=4:a.b[a.C]=0;else{for(b=1;b<=a.x;++b)if(a.C==a.p[b][0]){if(-1==a.k.t){for(;b<a.x;++b)a.p[b][0]=a.p[b+1][0],a.p[b][1]=a.p[b+1][1];--a.x}else c=a.k.t,a.k.p&&(a.k.U||++a.q,c=a.q),a.p[b][1]=c;return}b=a.p.length;++a.x>b-1&&(b=Gn([b+5,2]),zw(a.p,b,a.p.length),a.p=b);a.p[a.x][0]=a.C;c=a.k.t;a.k.p&&(a.k.U||++a.q,c=a.q);a.p[a.x][1]=c}}function Fv(a){var b;a.x=0;a.q=0;az(a);for(b=1;b<=a.s;++b)a.C=b,Wy(a);a.C=0}
+function Ny(a){var b,c;b=x(qx,t,-1,4,1);rx(a,b);c=a.k.x.b;a.k.u||(c-=a.k.N);return b[0]<~~(c/2)-24?1:b[0]>~~(c/2)+24?3:2}function vy(a){a.k.nb=new ry(a);Qv(a.k.nb);a.k.jb=a.k.d}function Zy(a){var b,c,d,e,f;e=f=0;for(d=1;d<=a.t;++d)b=a.I[a.G[d]]-a.I[a.H[d]],c=a.L[a.G[d]]-a.L[a.H[d]],f+=Math.sqrt(b*b+c*c);0<a.t?(f/=a.t,e=25/f):1<a.s&&(e=75/Math.sqrt((a.I[1]-a.I[2])*(a.I[1]-a.I[2])+(a.L[1]-a.L[2])*(a.L[1]-a.L[2])));for(d=1;d<=a.s;++d)a.I[d]*=e,a.L[d]*=e}
+function Py(a,b,c){var d,e,f,g,i;if(0==c.indexOf(gc)&&tw(c,ic))c=c.substr(1,c.length-1-1),a.c[b]=18,a.n[b]=c,a.w[b]=0;else{f=!1;-1<c.indexOf(k)&&(f=!0);-1<c.indexOf(La)&&(f=!0);-1<c.indexOf(ma)&&(f=!0);-1<c.indexOf("!")&&(f=!0);d=c.indexOf(Ja);e=c.indexOf(qb);g=Vg(c.indexOf(ta),c.indexOf(va));if(-1<d){i=xp(c,d+1);try{a.k.t=Ev(i,10)}catch(h){if(h=ik(h),B(h,52))a.k.t=0;else throw h;}a.C=b;Wy(a);c=c.substr(0,d-0);a.C=0}if(f)a.n[b]=c,a.c[b]=18,a.w[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
+g-0));a.c[b]=C(d,cb)?3:C(d,$a)?2:C(d,Ab)?4:C(d,Fb)?5:C(d,Nb)?7:C(d,Wb)?8:C(d,nb)?9:C(d,gb)?10:C(d,bb)?11:C(d,sb)?12:C(d,qb)?1:C(d,Yb)?13:C(d,Zb)?6:C(d,Ob)?19:C(d,Pb)?20:C(d,Qb)?21:C(d,Rb)?22:18;18==a.c[b]&&(a.n[b]=d);c+=ba;d=0;0<e&&(d=1,e=sw(c,++e),48<=e&&57>=e&&(d=e-48));18==a.c[b]&&(a.w[b]=d);d=0;if(0<g&&(e=sw(c,g++),43==e?d=1:45==e&&(d=-1),0!=d&&(e=sw(c,g++),!(48<=e&&57>=e)))){for(;43==e;)++d,e=sw(c,g++);for(;45==e;)--d,e=sw(c,g++)}a.z[b]=d}}}
+function Jv(a,b,c){var d,e;a.j=1;c&&(a.j=-1);b=new uv(b);try{for(;b.j=nv(b,b.a),b.j<b.i;)d=ow(Ev(qv(b),10)).a,c=e=ow(Ev(qv(b),10)).a,(0>c||6<c)&&(c=0),a.b[d]=c}catch(f){if(f=ik(f),B(f,52))Ij(f);else throw f;}}function Lz(a,b,c,d,e){b=wz(a,b,c);5!=a.f[b]&&Dz(a,b)?Kj(d.a,Oa):3==a.r[b]?Kj(d.a,ma):9==a.r[b]?(e=Qa,a=a.e[b],null!=a&&(e=a),Kj(d.a,e)):1==e[b]?Kj(d.a,"/"):-1==e[b]&&Kj(d.a,hc)}
+function Xy(a,b){var c,d;if(1==a.r[b])if(c=a.G[b],d=a.H[b],2>a.y[c]&&2>a.y[d])a.A[b]=0,E(a.k,"Stereomarking meaningless on this bond !");else switch(a.A[b]){case 0:a.y[d]<=a.y[c]?a.A[b]=1:a.A[b]=3;break;case 1:a.A[b]=2;break;case 2:2<a.y[d]?a.A[b]=3:a.A[b]=1;break;case 3:a.A[b]=4;break;case 4:2<a.y[c]?a.A[b]=1:a.A[b]=3}else 2==a.r[b]?10==a.A[b]?a.A[b]=0:a.A[b]=10:E(a.k,"Stereomarking allowed only on single and double bonds!")}
+function Jz(a,b,c,d,e){var f,g,i,h,l,m,n,q,u;if(!(2!=a.r[b]||5==a.f[b])&&(10==a.A[b]||a.k.o&&!e[b]))if(e=a.G[b],f=a.H[b],!(2>a.y[e]||2>a.y[f]||3<a.y[e]||3<a.y[f])){c[e]>c[f]&&(g=e,e=f,f=g);n=m=b=0;q=!1;for(l=1;l<=a.y[e];++l)g=a.F[e][l],g!=f&&(0==m?m=g:n=g);0<n&&c[m]>c[n]&&(g=m,m=n,n=g);h=wz(a,e,m);0!=d[h]?b=m:1==a.r[h]&&5!=a.f[h]&&(b=m);0==b&&(h=wz(a,e,n),0!=d[h]?b=n:1==a.r[h]&&5!=a.f[h]&&(b=n));c[b]>c[e]&&(q=!0);i=n=m=0;for(l=1;l<=a.y[f];++l)g=a.F[f][l],g!=e&&(0==n?n=g:i=g);0<i&&c[n]<c[i]&&(g=n,
+n=i,i=g);h=wz(a,f,n);1==a.r[h]&&5!=a.f[h]&&0==d[h]&&(m=n);0==m&&(h=wz(a,f,i),1==a.r[h]&&5!=a.f[h]&&(m=i));if(!(0==b||0==m))if(h=a.I[f]-a.I[e],g=a.L[f]-a.L[e],l=Math.sqrt(h*h+g*g),0.001>l&&(l=0.001),g/=l,h/=l,n=(a.L[b]-a.L[e])*h-(a.I[b]-a.I[e])*g,u=(a.L[m]-a.L[e])*h-(a.I[m]-a.I[e])*g,2>(0>=n?0-n:n)||2>(0>=u?0-u:u))E(a.k,"Not unique E/Z geometry !");else{i=wz(a,b,e);f=wz(a,m,f);m=1;if(0==d[i]){for(l=1;l<=a.y[b];++l)if(g=a.F[b][l],g!=e&&(h=wz(a,b,g),0!=d[h])){c[g]>c[b]?m=-d[h]:m=d[h];break}d[i]=m}0==
+d[f]&&(0<n&&0<u||0>n&&0>u?d[f]=-d[i]:d[f]=d[i],q&&(d[f]=-d[f]))}}}function Bz(a,b){var c,d,e;e=0;for(d=1;d<=a.y[b];++d)if(c=wz(a,b,a.F[b][d]),1==a.r[c])e+=1;else if(Dz(a,c))e+=2;else if(3==a.r[c])e+=3;else if(9==a.r[c])return-1;return e}function Kz(a,b,c){var d;d=a.A[b];return 1>d||4<d?0:1==d&&a.G[b]==c?1:2==d&&a.G[b]==c?-1:3==d&&a.H[b]==c?1:4==d&&a.H[b]==c?-1:0}
+function vx(a){var b;for(b=1;b<=a.s;++b){var c=a,d=b,e=void 0,e=Bz(c,d);if(-1==e)c.w[d]=0;else{switch(c.c[d]){case 1:2==e?c.z[d]=1:c.z[d]=0;c.w[d]=0;break;case 2:3==e||5==e?(c.w[d]=0,c.z[d]=0):3>e?c.w[d]=3-e-c.z[d]:4==e?(c.z[d]=-1,c.w[d]=0):5<e&&(c.z[d]=e-5,c.w[d]=0);break;case 3:case 6:4>e?0<c.z[d]?c.w[d]=2-e+c.z[d]:0>c.z[d]?c.w[d]=2-e-c.z[d]:c.w[d]=4-e:(c.z[d]=e-4,c.w[d]=4-e+c.z[d]);break;case 4:case 7:3>e?c.w[d]=3-e+c.z[d]:3==e?0>c.z[d]?(c.z[d]=0,c.w[d]=0):0<c.z[d]?c.w[d]=c.z[d]:c.w[d]=0:(c.z[d]=
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+0}0>c.w[d]&&(c.w[d]=0)}}}function wy(a){lz(this);this.k=a;this.x=this.t=this.s=0}
+function dz(a,b){var c,d,e,f,g,i,h;wy.call(this,a);f=j;i=bz(b);h=new tv(b,i,!0);for(e=1;4>=e;++e)f=cz(h,i);g=ow(Ev(lk(f.substr(0,3)),10)).a;c=ow(Ev(lk(f.substr(3,3)),10)).a;for(e=1;e<=g;++e)Yy(this),f=cz(h,i),this.I[e]=(new mw(jw(lk(f.substr(0,10))))).a,this.L[e]=-(new mw(jw(lk(f.substr(10,10))))).a,d=34,34>f.length&&(d=f.length),d=lk(f.substr(31,d-31)),Py(this,e,d),62<=f.length&&(f=lk(f.substr(60,3)),0<f.length&&(f=ow(Ev(f,10)).a,0<f&&(this.C=e,a.t=f,Wy(this),this.C=0)));for(e=1;e<=c;++e)tx(this),
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+for(e=1;e<=i;++e)c=ow(Ev(qv(g),10)).a,this.z[c]=ow(Ev(qv(g),10)).a}if(0==f.indexOf("M  APO")){g=new sv(f);qv(g);qv(g);i=ow(Ev(qv(g),10)).a;for(e=1;e<=i;++e)c=ow(Ev(qv(g),10)).a,f=ow(Ev(qv(g),10)).a,this.C=c,W(this,0),Py(this,this.s,Ob+f),this.C=0}}Fz(this);Qv(this)}
+function Pv(a,b){var c,d,e,f,g;wy.call(this,a);0==b.indexOf(ea)&&(b=b.substr(1,b.length-1));tw(b,ea)&&(b=b.substr(0,b.length-1-0));if(1>b.length)this.s=0;else{try{f=new sv(b);d=ow(Ev(qv(f),10)).a;e=ow(Ev(qv(f),10)).a;for(c=1;c<=d;++c)g=qv(f),Yy(this),Py(this,this.s,g),this.I[c]=(new mw(jw(qv(f)))).a,this.L[c]=-(new mw(jw(qv(f)))).a;for(c=1;c<=e;++c)if(tx(this),this.G[c]=ow(Ev(qv(f),10)).a,this.H[c]=ow(Ev(qv(f),10)).a,this.r[c]=ow(Ev(qv(f),10)).a,-1==this.r[c])this.r[c]=1,this.A[c]=1;else if(-2==this.r[c])this.r[c]=
+1,this.A[c]=2;else if(-5==this.r[c])this.r[c]=2,this.A[c]=10;else if(11==this.r[c]||12==this.r[c]||13==this.r[c]||14==this.r[c])this.A[c]=this.r[c],this.r[c]=9;Cz(this);Zy(this);ty(this)}catch(i){i=ik(i);if(B(i,52)){i.Vb();this.s=0;return}throw i;}Fz(this);Qv(this)}}
+function fz(a,b,c){var d,e,f;wy.call(this,a);f=x(D,o,-1,b.s+1,1);for(a=1;a<=b.s;++a)b.a[a]==c&&(Yy(this),this.c[this.s]=b.c[a],this.I[this.s]=b.I[a],this.L[this.s]=b.L[a],this.z[this.s]=b.z[a],this.w[this.s]=b.w[a],this.b[this.s]=b.b[a],this.d[this.s]=b.d[a],this.n[this.s]=b.n[a],f[a]=this.s);for(a=1;a<=b.t;++a)if(d=b.G[a],e=b.H[a],!(b.a[d]!=c&&b.a[e]!=c)&&!(b.a[d]!=c||b.a[e]!=c))tx(this),this.r[this.t]=b.r[a],this.A[this.t]=b.A[a],this.G[this.t]=f[d],this.H[this.t]=f[e],this.e[this.t]=b.e[a];for(a=
+1;a<=b.x;++a)d=b.p[a][0],d==c&&(++this.x,this.p[this.x][0]=f[d],this.p[this.x][1]=b.p[a][1]);this.j=b.j;Qv(this);ty(this)}
+function Sy(a,b,c){var d,e,f,g,i;wy.call(this,a);for(a=1;a<=c;++a)this.s+=b[a].s,this.t+=b[a].t,this.x+=b[a].x;this.c=x(D,o,-1,this.s+1,1);this.z=x(D,o,-1,this.s+1,1);this.w=x(D,o,-1,this.s+1,1);this.b=x(D,o,-1,this.s+1,1);this.d=x(Rn,t,1,this.s+1,0);this.I=x(qx,t,-1,this.s+1,1);this.L=x(qx,t,-1,this.s+1,1);this.n=x(Rn,t,1,this.s+1,0);this.G=x(D,o,-1,this.t+1,1);this.H=x(D,o,-1,this.t+1,1);this.r=x(D,o,-1,this.t+1,1);this.e=x(Rn,t,1,this.t+1,0);this.A=x(D,o,-1,this.t+1,1);this.p=Gn([this.x+1,2]);
+f=i=g=e=0;for(a=1;a<=c;++a){for(d=1;d<=b[a].s;++d)++e,this.c[e]=b[a].c[d],this.I[e]=b[a].I[d],this.L[e]=b[a].L[d],this.z[e]=b[a].z[d],this.w[e]=b[a].w[d],this.b[e]=b[a].b[d],this.d[e]=b[a].d[d],this.n[e]=b[a].n[d];for(d=1;d<=b[a].t;++d)++g,this.r[g]=b[a].r[d],this.A[g]=b[a].A[d],this.G[g]=b[a].G[d]+f,this.H[g]=b[a].H[d]+f,this.e[g]=b[a].e[d];for(d=1;d<=b[a].x;++d)++i,this.p[i][0]=b[a].p[d][0]+f,this.p[i][1]=b[a].p[d][1];f=e}Qv(this);ty(this)}
+function ry(a){var b;lz(this);this.k=a.k;this.s=a.s;this.t=a.t;this.x=a.x;this.c=x(D,o,-1,this.s+1,1);zw(a.c,this.c,this.s+1);this.z=x(D,o,-1,this.s+1,1);zw(a.z,this.z,this.s+1);this.w=x(D,o,-1,this.s+1,1);zw(a.w,this.w,this.s+1);this.b=x(D,o,-1,this.s+1,1);zw(a.b,this.b,this.s+1);this.d=x(Rn,t,1,this.s+1,0);zw(a.d,this.d,this.s+1);this.I=x(qx,t,-1,this.s+1,1);zw(a.I,this.I,this.s+1);this.L=x(qx,t,-1,this.s+1,1);zw(a.L,this.L,this.s+1);this.n=x(Rn,t,1,this.s+1,0);zw(a.n,this.n,this.s+1);this.G=x(D,
+o,-1,this.t+1,1);zw(a.G,this.G,this.t+1);this.H=x(D,o,-1,this.t+1,1);zw(a.H,this.H,this.t+1);this.r=x(D,o,-1,this.t+1,1);zw(a.r,this.r,this.t+1);this.e=x(Rn,t,1,this.t+1,0);zw(a.e,this.e,this.t+1);this.A=x(D,o,-1,this.t+1,1);zw(a.A,this.A,this.t+1);this.p=Gn([this.x+1,2]);for(b=1;b<=this.x;++b)this.p[b][0]=a.p[b][0],this.p[b][1]=a.p[b][1];this.j=a.j}
+function $y(a,b,c){var d,e,f;if(0==c)return Qy(F(a),b);9.0E-4>(0>=a?0-a:a)&&(a=0);a=H(G(T(a*Math.pow(10,c))))/Math.pow(10,c);e=j+(new mw(a)).a;d=mk(e,nk(46));0>d&&(e+=ya,d=mk(e,nk(46)));f=e.length;for(a=1;a<=c-f+d+1;++a)e+=Ba;if(0==b)return e;e.length>b&&(e=Qa);c=j;for(a=1;a<=b-e.length;++a)c+=ba;return c+e}function bz(a){var b;b=new tv(a,aa,!0);if(4<mv(b))return aa;b=new tv(a,xf,!0);return 4<mv(b)?xf:null}
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+pd="CM",qd="COPY_MOL",rd="COPY_SMILES",sd="CSS1Compat",td="Cannot add a handler with a null type",ud="Cannot add a null handler",Bd="Cannot fire null event",Cd="Cannot set a new parent without first clearing the old parent",Dd="Caption",Ed="Caused by: ",Fd="Center",Gd="Charge change not possible on multibonded N or P !",Hd="Charge change not possible on multibonded O or S !",Id="Charge change not possible on the halogen !",Jd="Charge change not possible on this boron !",Kd="Charge change not possible on this carbon !",
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+e,f,e+c);break;case 110:WF(b,f+6,e+7,a.N-12,a.N-14,270,270);Z(b,f+6,e+13,f+3,e+10);Z(b,f+6,e+13,f+9,e+10);break;case 109:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));Z(b,f+a.N-c,e+~~(a.N/2),f+a.N-~~(3*c/2),e+~~(a.N/2)+~~(c/2));Z(b,f+a.N-c,e+~~(a.N/2),f+a.N-~~(3*c/2),e+~~(a.N/2)-~~(c/2));break;case 102:$(b,RB);DC(b,f+3,e+5,a.N-7,a.N-11);$(b,WB);$F(b,f+3,e+5,a.N-7,a.N-11);break;case 103:$(b,BG);a._&&CC(b,f+1,e+1,a.N,a.N,!1);$(b,WB);NG(a,b,f,e,Df);break;case 106:$(b,XB);Z(b,f+7,e+7,f+a.N-7,e+a.N-7);Z(b,
+f+8,e+7,f+a.N-6,e+a.N-7);Z(b,f+7,e+a.N-7,f+a.N-7,e+7);Z(b,f+8,e+a.N-7,f+a.N-6,e+7);$(b,WB);Z(b,f+c,e+~~(a.N/2),f+12,e+~~(a.N/2));NG(a,b,f+6,e,fg);break;case 104:$(b,XB);Z(b,f+7,e+7,f+a.N-7,e+a.N-7);Z(b,f+8,e+7,f+a.N-6,e+a.N-7);Z(b,f+7,e+a.N-7,f+a.N-7,e+7);Z(b,f+8,e+a.N-7,f+a.N-6,e+7);$(b,WB);break;case 105:a.pb?($(b,aC),Z(b,f+11,e+5,f+9,e+9),Z(b,f+9,e+9,f+4,e+9),Z(b,f+4,e+9,f+8,e+12),Z(b,f+8,e+12,f+6,e+18),Z(b,f+6,e+18,f+11,e+15),Z(b,f+12,e+5,f+14,e+9),Z(b,f+14,e+9,f+19,e+9),Z(b,f+19,e+9,f+15,e+12),
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+f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));Z(b,f+c,e+~~(a.N/2)-2,f+a.N-c,e+~~(a.N/2)-2);Z(b,f+c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)+2);break;case 205:a=ZF+ok+(f+~~(c/2))+k+(e+2*c+~~(c/3))+La+(f+3*~~(c/2))+k+(e+2*c-~~(c/3))+Ja+b.d+Ma;VF(b,a);a=ZF+ok+(f+3*~~(c/2))+k+(e+2*c-~~(c/3))+La+(f+5*~~(c/2))+k+(e+2*c+~~(c/3))+Ja+b.d+Ma;VF(b,a);e=ZF+ok+(f+5*~~(c/2))+k+(e+2*c+~~(c/3))+La+(f+7*~~(c/2))+k+(e+2*c-~~(c/3))+Ja+b.d+Ma;VF(b,e);break;case 206:PG(a,b,f,e+2,3);break;case 207:PG(a,b,f,e,4);break;case 208:PG(a,b,
+f,e,5);break;case 209:PG(a,b,f,e,1);break;case 210:PG(a,b,f,e,6);break;case 211:PG(a,b,f,e,7);break;case 212:PG(a,b,f,e,8)}else c=3,301==g?c=3:401==g?c=4:501==g?c=5:601==g?c=8:701==g?c=9:801==g?c=10:901==g?c=11:1001==g?c=12:1101==g?c=7:1201==g?c=18:1301==g&&(c=19),null!=UD[c]&&OG(a,b,f,e,TD[c],UD[c])}
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+function SG(a){var b,c,d,e;if(a.Z){e=a.S.a;c=a.x.b-a.N;b=a.x.a-3*a.N;$(e,a.r);DC(e,0,0,c,b);for(d=1;d<=a.ab;++d){var f=a.T[d],g=e,i=void 0,h=void 0,l=void 0,m=void 0,n=void 0,q=m=n=void 0,t=void 0,P=h=n=i=n=i=void 0,I=l=void 0,M=void 0,Y=q=void 0,Sa=t=n=I=void 0,N=q=void 0,ha=M=void 0,Xa=P=h=i=P=h=Y=ha=q=q=void 0,Sa=N=l=n=l=void 0,m=t=1,Sa=2,M=3;f.v&&(IG(f),HG(f.k,1,f.k.ab,0),f.v=!1);1!=f.k.w&&(Sa*=f.k.w,M*=f.k.w,i=1,0.7>f.k.w&&(i=1.2),i=C(10*f.k.w*i),f.k.j=new tC(ze,0,i),f.k.k=null);f.k.v&&($(g,
+(QB(),WB)),$F(g,0,0,f.k.x.b-1,f.k.x.a-1));if(0!=f.s){if(-1==f.j){n=H(G(Math.round(12*Sa)));for(i=1;i<=f.s;++i)0<f.b[i]&&7>f.b[i]&&($(g,(AG(),EG)[f.b[i]]),l=g,h=C(f.I[i]-n/2),P=C(f.L[i]-n/2),q=ha=n,XF(l,!0),VF(l,YF(l,h,P,ha,q)));for(i=1;i<=f.t;++i)h=f.G[i],l=f.H[i],0!=f.b[h]&&f.b[h]==f.b[l]&&($(g,(AG(),EG)[f.b[h]]),q=f.I[l]-f.I[h],t=f.L[l]-f.L[h],m=Math.sqrt(q*q+t*t),1>m&&(m=1),t/=m,m=q/m,N=3*M*t,q=3*M*m,P=x(E,o,-1,4,1),n=x(E,o,-1,4,1),P[0]=C(f.I[h]+N),n[0]=C(f.L[h]-q),P[1]=C(f.I[l]+N),n[1]=C(f.L[l]-
+q),P[2]=C(f.I[l]-N),n[2]=C(f.L[l]+q),P[3]=C(f.I[h]-N),n[3]=C(f.L[h]+q),l=g,h=P,XF(l,!0),VF(l,hG(l,h,n,4,!0)))}for(i=1;i<=f.t;++i){$(g,(QB(),WB));h=f.G[i];l=f.H[i];1==f.j&&0!=f.b[h]&&f.b[h]==f.b[l]&&$(g,(AG(),EG)[f.b[h]]);if(3==f.A[i]||4==f.A[i])n=h,h=l,l=n;ha=f.I[h];P=f.L[h];h=f.I[l];l=f.L[l];if(1!=f.r[i]||0!=f.A[i])q=h-ha,t=l-P,m=Math.sqrt(q*q+t*t),1>m&&(m=1),t/=m,m=q/m;switch(f.r[i]){case 2:10<=f.A[i]&&$(g,$B);N=Sa*t;q=Sa*m;Z(g,H(G(Math.round(ha+N))),H(G(Math.round(P-q))),H(G(Math.round(h+N))),
+H(G(Math.round(l-q))));Z(g,H(G(Math.round(ha-N))),H(G(Math.round(P+q))),H(G(Math.round(h-N))),H(G(Math.round(l+q))));$(g,WB);break;case 3:n=H(G(Math.round(ha)));P=H(G(Math.round(P)));h=H(G(Math.round(h)));l=H(G(Math.round(l)));Z(g,n,P,h,l);q=H(G(Math.round(M*t)));ha=H(G(Math.round(M*m)));Z(g,n+q,P-ha,h+q,l-ha);Z(g,n-q,P+ha,h-q,l+ha);break;case 9:case 0:for(I=0;10>I;++I)Y=ha-(ha-h)/10*I,Xa=P-(P-l)/10*I,Z(g,H(G(Math.round(Y))),H(G(Math.round(Xa))),H(G(Math.round(Y))),H(G(Math.round(Xa))));bG(g,f.k.j);
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+ha-(ha-h)/10*I,Xa=P-(P-l)/10*I,n=I/10,Z(g,H(G(Math.round(Y+N*n))),H(G(Math.round(Xa-q*n))),H(G(Math.round(Y-N*n))),H(G(Math.round(Xa+q*n))))}else Z(g,H(G(Math.round(ha))),H(G(Math.round(P))),H(G(Math.round(h))),H(G(Math.round(l))))}}bG(g,f.k.j);n=vC(f.k.k.c).a;Sa=x(Ov,u,1,f.s+1,0);for(i=1;i<=f.s;++i)N=TG(f,i),3==f.c[i]&&0<f.y[i]&&0==f.z[i]?Sa[i]=N:(f.k.lb&&(0<f.w[i]&&(N+=we),1<f.w[i]&&(N+=f.w[i])),0!=f.z[i]&&(1<(0>f.z[i]?-f.z[i]:f.z[i])&&(N+=0>f.z[i]?-f.z[i]:f.z[i]),0<f.z[i]?N+=nb:N+=tb),Sa[i]=N,
+(null==N||1>N.length)&&(N=mb),q=$C(f.k.k,N),h=H(G(T(f.I[i]-q/2))),l=H(G(T(f.L[i]+~~(n/2)-1))),$(g,f.k.r),-1==f.j&&0!=f.b[i]&&$(g,(AG(),EG)[f.b[i]]),DC(g,h-1,l-n+2,q+1,n-1),1==f.j?0!=f.b[i]?$(g,(AG(),EG)[f.b[i]]):$(g,(QB(),WB)):$(g,(AG(),TD)[f.c[i]]),aG(g,N,h,l));for(I=1;I<=f.x;++I)i=f.p[I][0],q=$C(f.k.k,Sa[i]),h=H(G(T(f.I[i]-q/2))),l=H(G(T(f.L[i]+~~(n/2)-1))),$(g,(QB(),$B)),aG(g,ca+f.p[I][1],h+q,l);if(0<f.C||0<f.D)if($(g,104==f.k.b?(QB(),XB):(QB(),bC)),0<f.C&&106!=f.k.b&&(q=$C(f.k.k,Sa[f.C]),$F(g,
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+b&&a.H[f]==h||a.G[f]==h&&a.H[f]==b){1!=a.r[f]&&(a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-5]=2,a.r[a.t-3]=2,a.r[a.t-1]=3);break}}else a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-5]=2,a.r[a.t-3]=2,a.r[a.t-1]=2}else if(221==a.k.b||223==a.k.b)if(0<a.D){if(1==a.r[a.D]){b=!1;for(f=1;f<=a.y[a.G[a.D]];++f)if(h=a.F[a.G[a.D]][f],1<a.r[CH(a,a.G[a.D],h)]){b=!0;break}for(f=1;f<=a.y[a.H[a.D]];++f)if(h=a.F[a.H[a.D]][f],1<a.r[CH(a,a.H[a.D],h)]){b=!0;break}b||(a.r[a.D]=2)}a.r[a.t-4]=2;a.c[a.s-2]=5}else 0<a.C?
+221==a.k.b?(a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t-1]=1,a.r[a.t-3]=2,a.r[a.t]=2,a.c[a.s-1]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5);h=x(E,o,-1,a.s+1,1);for(f=1;f<=i;++f)b=a.s-i+f,c=a.t-i+f,a.F[b][1]=b-1,a.F[b][2]=b+1,b=a.G[c],e=a.H[c],a.J[c]=H(G(T((a.I[b]+a.I[e])/2))),a.M[c]=H(G(T((a.L[b]+a.L[e])/2)));a.F[a.s-i+1][1]=a.s;a.F[a.s][2]=a.s-i+1;for(f=a.s-i+1;f<=a.s;++f){h[f]=0;g=51;c=0;for(b=
+1;b<=a.s-i;++b)e=a.I[f]-a.I[b],d=a.L[f]-a.L[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.C||c==a.C)&&(h[f]=c)}g=a.t-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.G[f],e=a.H[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.G[c]==h[b]&&a.H[c]==h[e]||a.H[c]==h[b]&&a.G[c]==h[e])continue a;GF(a);a.r[a.t]=a.r[f];a.G[a.t]=h[b];a.F[h[b]][++a.y[h[b]]]=h[e];a.H[a.t]=h[e];a.F[h[e]][++a.y[h[e]]]=h[b];a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2)));a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))}else 0<h[b]?(GF(a),a.r[a.t]=a.r[f],
+a.G[a.t]=h[b],a.F[h[b]][++a.y[h[b]]]=e,a.H[a.t]=e,a.F[e][++a.y[e]]=h[b],a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))):0<h[e]&&(GF(a),a.r[a.t]=a.r[f],a.G[a.t]=h[e],a.F[h[e]][++a.y[h[e]]]=b,a.H[a.t]=b,a.F[b][++a.y[b]]=h[e],a.J[a.t]=H(G(T((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=H(G(T((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2))));d=a.s-i;for(f=a.s;f>d;--f)if(0<h[f]&&(AF(a,f),3==a.c[h[f]])){m=0;for(b=1;b<=a.y[h[f]];++b){e=a.F[h[f]][b];for(c=1;c<=a.t;++c)(a.G[c]==
+h[f]&&a.H[c]==e||a.G[c]==e&&a.H[c]==h[f])&&(m+=a.r[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.r[c]=1}0<a.C&&EH(a,i);-1<l&&(a.C=l)}function FH(a,b,c,d){var e,f,g,i,h,l;0==a.y[a.C]?(e=0,f=1):(e=a.F[a.C][1],f=a.I[a.C]-a.I[e],e=a.L[a.C]-a.L[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.I[a.C]+d*f;l=a.L[a.C]+d*e;for(g=1;g<=b;++g)mH(a),i=c*g-1.5707963267948966,a.I[a.s]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.L[a.s]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}
+function EH(a,b){var c,d;0==b&&(b=a.s);for(c=a.s;c>a.s-b;--c)d=zF(a,c),0!=d&&(a.I[c]+=6,a.L[c]+=6)}function CH(a,b,c){var d;for(d=1;d<=a.t;++d)if(a.G[d]==b&&a.H[d]==c||a.G[d]==c&&a.H[d]==b)return d;return 0}function GH(a,b,c){var d,e,f,g;e=ko;for(f=g=0;;){++g;for(d=1;d<=a.s;++d)if(ow(c[d])){e=c[d];break}for(d=1;d<=a.s;++d)ow(c[d])&&!dw(c[d],e)&&(e=c[d]);for(d=1;d<=a.s;++d)iw(c[d],e)&&(b[d]=g,c[d]=ko,++f);if(f==a.s)break}return g==a.s}
+function IG(a){var b,c,d;b=x(DF,u,-1,4,1);d=c=0;a.k&&a.k.x&&0<a.k.x.b&&(c=a.k.x.b-a.k.N,d=a.k.x.a-3*a.k.N);if(0>=c||0>=d)a.v=!0;else{EF(a,b);c=~~(c/2)-H(G(Math.round(b[0])));d=~~(d/2)-H(G(Math.round(b[1])));if(!a.k.bb)for(b=1;b<=a.s;++b)a.I[b]+=c,a.L[b]+=d;HF(a)}}
+function EF(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.s;++c)a.I[c]<f&&(f=a.I[c]),a.I[c]>d&&(d=a.I[c]),a.L[c]<g&&(g=a.L[c]),a.L[c]>e&&(e=a.L[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function hH(a,b,c){var d;if(1==c)++a.z[b];else if(-1==c)--a.z[b];else switch(d=HH(a,b),-1==d&&0==c&&(0==a.z[b]?a.z[b]=1:1==a.z[b]?a.z[b]=-1:-1==a.z[b]&&(a.z[b]=0)),a.c[b]){case 2:2<d&&F(a.k,Jd);0==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0);break;case 3:3<d?F(a.k,Kd):4>d&&(0==a.z[b]?a.z[b]=-1:-1==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0));break;case 4:case 7:3<d?F(a.k,Gd):3==d&&0==a.z[b]?a.z[b]=1:3==d&&1==a.z[b]?a.z[b]=0:3>d&&0==a.z[b]?a.z[b]=1:3>d&&1==a.z[b]?a.z[b]=-1:3>d&&-1==a.z[b]&&(a.z[b]=0);break;case 5:case 8:case 13:2<
+d?F(a.k,Hd):2==d&&0==a.z[b]?a.z[b]=1:2==d&&1==a.z[b]?a.z[b]=0:2>d&&0==a.z[b]?a.z[b]=-1:2>d&&-1==a.z[b]?a.z[b]=1:2>d&&1==a.z[b]&&(a.z[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.z[b]?a.z[b]=-1:0==d&&-1==a.z[b]?a.z[b]=0:F(a.k,Id);break;case 18:F(a.k,dh)}}
+function tH(a,b){var c,d,e,f,g;f=0;g=!1;for(a.a=x(E,o,-1,a.s+1,1);;){for(e=1;e<=a.s;++e)if(0==a.a[e]){a.a[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],0<a.a[c]&&0==a.a[d]?(a.a[d]=f,g=!0):0<a.a[d]&&0==a.a[c]&&(a.a[c]=f,g=!0)}}if(2>f||!b)return f;g=x(E,o,-1,f+1,1);for(c=1;c<=a.s;++c)++g[a.a[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.s;1<=c;--c)a.a[c]!=d&&AF(a,c);IG(a);F(a.k,Cg);return 1}
+function zF(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.s;++e)b!=e&&(c=a.I[b]-a.I[e],d=a.L[b]-a.L[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function JF(a){var b,c,d;for(d=1;d<=a.t;++d){b=a.G[d];c=a.H[d];if(1==a.z[b]&&-1==a.z[c]||-1==a.z[b]&&1==a.z[c])if(1==a.r[d]||2==a.r[d]){if(3!=a.c[b]&&3!=a.c[c]&&a.k.db)continue;if(1==a.c[b]||1==a.c[c])continue;if(2==a.c[b]||2==a.c[c])continue;if(9==a.c[b]||10==a.c[b]||11==a.c[b]||12==a.c[b]||9==a.c[c]||10==a.c[c]||11==a.c[c]||12==a.c[c])continue;a.z[b]=0;a.z[c]=0;++a.r[d];IF(a)}1==a.z[b]&&1==a.z[c]&&(2==a.r[d]?a.r[d]=1:3==a.r[d]&&(a.r[d]=2),IF(a));4==a.r[d]&&(a.r[d]=1)}}
+function BH(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function cE(a){var b;IH(a);b=a.r.length;a.J=x(E,o,-1,b,1);a.M=x(E,o,-1,b,1);HF(a);IF(a)}
+function mH(a){var b,c;++a.s;a.s>a.c.length-1&&(c=a.c.length+10,b=x(E,o,-1,c,1),ME(a.c,b,a.c.length),a.c=b,b=x(E,o,-1,c,1),ME(a.z,b,a.z.length),a.z=b,b=x(E,o,-1,c,1),ME(a.w,b,a.w.length),a.w=b,b=x(E,o,-1,c,1),ME(a.b,b,a.b.length),a.b=b,b=x(Ov,u,1,c,0),ME(a.d,b,a.d.length),a.d=b,b=x(Ov,u,1,c,0),ME(a.n,b,a.n.length),a.n=b,b=x(DF,u,-1,c,1),ME(a.I,b,a.I.length),a.I=b,b=x(DF,u,-1,c,1),ME(a.L,b,a.L.length),a.L=b,b=Dv([c,7]),ME(a.F,b,a.F.length),a.F=b,c=x(E,o,-1,c,1),ME(a.y,c,a.y.length),a.y=c);a.c[a.s]=
+3;a.z[a.s]=0;a.b[a.s]=0;a.d[a.s]=null;a.w[a.s]=0}function GF(a){var b,c;++a.t;a.t>a.r.length-1&&(b=a.r.length+10,c=x(E,o,-1,b,1),ME(a.G,c,a.G.length),a.G=c,c=x(E,o,-1,b,1),ME(a.H,c,a.H.length),a.H=c,c=x(E,o,-1,b,1),ME(a.r,c,a.r.length),a.r=c,c=x(E,o,-1,b,1),ME(a.A,c,a.A.length),a.A=c,c=x(E,o,-1,b,1),ME(a.J,c,a.J.length),a.J=c,c=x(E,o,-1,b,1),ME(a.M,c,a.M.length),a.M=c,b=x(Ov,u,1,b,0),ME(a.e,b,a.e.length),a.e=b);a.r[a.t]=1;a.A[a.t]=0;a.e[a.t]=null}
+function fH(a,b){var c,d,e,f,g,i,h;if(0==a.s)return j;i=b;79<b.length&&(i=b.substr(0,76)+Db);i+=(AG(),aa);i+=Je+new iF+ba;i+=eH(a.s,3)+eH(a.t,3);i+=na;g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.s;++e)a.L[e]>g&&(g=a.L[e]),a.I[e]<c&&(c=a.I[e]);for(e=1;e<=a.s;++e){i+=oH(0.055999999999999994*(a.I[e]-c),10,4)+oH(0.055999999999999994*(g-a.L[e]),10,4)+oH(0,10,4);h=TG(a,e);1==h.length?h+=ea:2==h.length?h+=ca:3<h.length&&(h=eg);i+=ca+h;d=0;0<a.z[e]&&4>a.z[e]?d=4-a.z[e]:0>a.z[e]&&-4<a.z[e]&&
+(d=4-a.z[e]);h=ra+eH(d,3)+ma;f=-1;for(d=1;d<=a.x;++d)if(a.p[d][0]==e){f=a.p[d][1];break}-1<f?h+=eH(f,3):h+=ja;i+=h+ka}for(e=1;e<=a.t;++e)g=a.r[e],1==a.r[e]?g=1:JH(a,e)&&(g=2),c=eH(a.G[e],3)+eH(a.H[e],3),d=0,1==a.r[e]&&1==a.A[e]?d=1:1==a.r[e]&&2==a.A[e]&&(d=6),1==a.r[e]&&3==a.A[e]&&(d=1,c=eH(a.H[e],3)+eH(a.G[e],3)),1==a.r[e]&&4==a.A[e]&&(d=6,c=eH(a.H[e],3)+eH(a.G[e],3)),i+=c+eH(g,3)+eH(d,3)+la;for(e=1;e<=a.s;++e)0!=a.z[e]&&(i+=Ze+eH(e,4)+eH(a.z[e],4)+aa);return i+=af}
+function pH(a){var b,c,d,e,f,g,i,h,l,m,n,q,t,P,I,M,Y,Sa,N,ha,Xa,vd,rn,sn,Nc,tn,Hg,ef,Oc,ff;n=x(E,o,-1,a.s+10,1);q=x(E,o,-1,a.s+10,1);l=x(E,o,-1,a.s+1,1);m=x(E,o,-1,7,1);Nc=x(E,o,-1,a.s+1,1);P=x(KH,u,-1,a.s+1,2);I=x(KH,u,-1,a.t+1,2);vd=0;if(0==a.s)return j;tH(a,!0);sn=!0;for(h=1;h<=a.t;++h)if(9==a.r[h]){sn=!1;break}if(a.k.q&&sn){LH(a);JF(a);MH(a,I);NH(a,P,I);var wb,Pc,wn,xb,vj,wj,Ig,Ea,Jz,wc,r,ga,xj,yj,xn,wd,sa,zj,Aj,yb,Bj;wb=x(E,o,-1,a.s+1,1);Pc=x(E,o,-1,a.s+1,1);Ea=x(OH,u,-1,a.s+1,3);var yn=a.s,
+Cj,gf,zn,ce,Jg,Qc,xd;Jg=x(OH,u,-1,yn+2,3);Qc=x(E,o,-1,100,1);xd=5;ce=0;Qc[0]=3;Jg[1]=mo;Jg[2]=no;zn=2;if(!(3>yn))for(;xd<Qc[ce]*Qc[ce];){gf=0;for(Cj=!0;Cj&&gf<=ce&&xd>=Qc[gf]*Qc[gf];)0==xd%Qc[gf]?Cj=!1:++gf;if(Cj){Jg[++zn]=lw(xd);if(zn>=yn)break;ce<Qc.length-1&&(++ce,Qc[ce]=xd)}xd+=2}for(r=1;r<=a.s;++r){for(ga=Aj=1;ga<=a.t;++ga)(a.G[ga]==r||a.H[ga]==r)&&(Aj*=a.f[ga]);zj=a.c[r];18==zj&&(Bj=a.n[r],wj=Bj.charCodeAt(0)-65+1,Ig=0,1<Bj.length&&(Ig=Bj.charCodeAt(1)-97),0>wj&&(wj=0),0>Ig&&(Ig=0),zj=28*wj+
+Ig);wd=0;-2>a.z[r]?wd=1:-2==a.z[r]?wd=2:-1==a.z[r]?wd=3:1==a.z[r]?wd=4:2==a.z[r]?wd=5:2<a.z[r]&&(wd=6);yb=1;Ea[r]=lw(Aj);yb*=126;Ea[r]=gw(Ea[r],lw(a.w[r]*yb));yb*=7;Ea[r]=gw(Ea[r],lw(wd*yb));yb*=7;Ea[r]=gw(Ea[r],lw(zj*yb));yb*=783;Ea[r]=gw(Ea[r],lw(a.y[r]*yb))}for(vj=0;!GH(a,wb,Ea);){xn=!1;for(r=1;r<=a.s;++r)wb[r]!=Pc[r]&&(Pc[r]=wb[r],xn=!0);if(xn){for(r=1;r<=a.s;++r){Ea[r]=lo;for(ga=1;ga<=a.y[r];++ga)Ea[r]=pw(Ea[r],Jg[wb[a.F[r][ga]]])}vj=0}else if(0<vj){for(r=1;r<=a.s;++r)Ea[r]=lo;r=1;a:for(;r<=
+a.s-1;++r)for(ga=r+1;ga<=a.s;++ga)if(wb[r]==wb[ga]){Ea[r]=mo;break a}}else{for(r=1;r<=a.s;++r){Ea[r]=lo;for(ga=1;ga<=a.y[r];++ga)wn=a.F[r][ga],Ea[r]=pw(Ea[r],lw(a.c[wn]*a.f[CH(a,r,wn)]))}vj=1}GH(a,wb,Ea);for(r=1;r<=a.s;++r)Ea[r]=lw(Pc[r]*a.s+wb[r])}for(r=1;r<=a.s;++r)Pc[r]=wb[r];for(sa=1;sa<=a.s;++sa)for(r=1;r<=a.s;++r)if(Pc[r]==sa){a.c[0]=a.c[r];a.z[0]=a.z[r];a.I[0]=a.I[r];a.L[0]=a.L[r];a.y[0]=a.y[r];a.c[r]=a.c[sa];a.z[r]=a.z[sa];a.I[r]=a.I[sa];a.L[r]=a.L[sa];a.y[r]=a.y[sa];a.c[sa]=a.c[0];a.z[sa]=
+a.z[0];a.I[sa]=a.I[0];a.L[sa]=a.L[0];a.y[sa]=a.y[0];Pc[r]=Pc[sa];Pc[sa]=sa;a.n[0]=a.n[r];a.n[r]=a.n[sa];a.n[sa]=a.n[0];a.b[0]=a.b[r];a.b[r]=a.b[sa];a.b[sa]=a.b[0];a.d[0]=a.d[r];a.d[r]=a.d[sa];a.d[sa]=a.d[0];a.w[0]=a.w[r];a.w[r]=a.w[sa];a.w[sa]=a.w[0];break}for(r=1;r<=a.x;++r)a.p[r][0]=wb[a.p[r][0]];for(r=1;r<=a.t;++r)a.G[r]=wb[a.G[r]],a.H[r]=wb[a.H[r]],a.G[r]>a.H[r]&&(wc=a.G[r],a.G[r]=a.H[r],a.H[r]=wc,1==a.A[r]?a.A[r]=3:2==a.A[r]?a.A[r]=4:3==a.A[r]?a.A[r]=1:4==a.A[r]&&(a.A[r]=2));for(r=1;r<a.t;++r){yj=
+xj=a.s;xb=0;for(ga=r;ga<=a.t;++ga)a.G[ga]<xj?(xj=a.G[ga],yj=a.H[ga],xb=ga):a.G[ga]==xj&&a.H[ga]<yj&&(yj=a.H[ga],xb=ga);wc=a.G[r];a.G[r]=a.G[xb];a.G[xb]=wc;wc=a.H[r];a.H[r]=a.H[xb];a.H[xb]=wc;wc=a.r[r];a.r[r]=a.r[xb];a.r[xb]=wc;wc=a.A[r];a.A[r]=a.A[xb];a.A[xb]=wc;Jz=a.e[r];a.e[r]=a.e[xb];a.e[xb]=Jz}cE(a);IF(a);MH(a,I);NH(a,P,I)}else{MH(a,I);a.f=x(E,o,-1,a.t+1,1);for(t=1;t<=a.t;++t)a.f[t]=a.r[t]}c=1;a.a=x(E,o,-1,a.s+1,1);ff=1;a.a[1]=1;for(ha=0;;){Xa=0;for(t=1;t<=a.y[c];++t)if(g=a.F[c][t],0<a.a[g]){if(!(a.a[g]>
+a.a[c])&&g!=Nc[c]){rn=!0;for(Y=1;Y<=vd;++Y)if(n[Y]==c&&q[Y]==g||n[Y]==g&&q[Y]==c){rn=!1;break}rn&&(++vd,n[vd]=c,q[vd]=g)}}else m[++Xa]=g;if(0==Xa){if(ff==a.s)break;c=l[ha--]}else if(1==Xa)Nc[m[1]]=c,c=m[1],a.a[c]=++ff;else{l[++ha]=c;e=0;for(t=1;t<=Xa;++t)if(h=CH(a,m[t],c),!I[h]){e=m[t];break}if(0==e)for(t=1;t<=Xa;++t)if(h=CH(a,m[t],c),2==a.f[h]||3==a.f[h]){e=m[t];break}0==e&&(e=m[1]);Nc[e]=c;c=e;a.a[e]=++ff}}Nc=x(E,o,-1,a.s+1,1);b=x(E,o,-1,a.s+1,1);Sa=x(KH,u,-1,a.s+1,2);tn=x(KH,u,-1,a.s+1,2);f=ff=
+ha=0;for(t=1;t<=a.s;++t)if(1==a.a[t]){c=t;break}a:for(;;){0<f&&(Nc[c]=f);b[++ff]=c;for(a.a[c]=0;;){Xa=e=0;N=a.s+1;t=1;b:for(;t<=a.y[c];++t){g=a.F[c][t];for(M=1;M<=vd;++M)if(n[M]==g&&q[M]==c||n[M]==c&&q[M]==g)continue b;0<a.a[g]&&(++Xa,a.a[g]<N&&(e=g,N=a.a[g]))}if(0==e){if(0==ha)break a;tn[c]=!0;c=l[ha--]}else break}f=c;c=e;1<Xa&&(l[++ha]=f,Sa[e]=!0)}Hg=x(E,o,-1,a.t+1,1);ef=x(E,o,-1,a.s+1,1);if(a.k.qb){var Lz=Nc,wI=vd,An,Mz,hf,Rc,Bn,Cn,qa,Kg,Dn;hf=x(E,o,-1,a.s+1,1);for(qa=1;qa<=a.s;++qa)hf[b[qa]]=
+qa;Bn=x(KH,u,-1,a.t+1,2);for(qa=1;qa<=a.s;++qa)An=b[qa],Mz=Lz[An],Rc=CH(a,An,Mz),0!=Rc&&(PH(a,Rc,hf,Hg,I),Bn[Rc]=!0);for(qa=1;qa<=a.t;++qa)Bn[qa]||PH(a,qa,hf,Hg,I);qa=1;a:for(;qa<=a.s;++qa)if(!(2>a.y[qa]||4<a.y[qa])){Cn=Dn=0;for(Kg=1;Kg<=a.y[qa];++Kg){Rc=CH(a,qa,a.F[qa][Kg]);if(5==a.f[Rc])continue a;1==a.r[Rc]&&0!=QH(a,Rc,qa)&&++Dn;2==a.r[Rc]&&(Cn=a.F[qa][Kg])}if(0!=Dn)if(0<Cn){var X=a,Oz=qa,yd=hf,Ib=ef,ib=void 0,Lg=void 0,zb=void 0,Sc=void 0,Ab=void 0,Dj=void 0,Ej=void 0,Fj=void 0,xc=void 0,Jb=void 0,
+Kb=void 0,En=void 0,Mg=void 0,yc=void 0,Ng=void 0,Tc=void 0,Og=void 0,Fn=void 0,Pg=void 0,Uc=void 0,Pz=void 0,zd=void 0,Qz=void 0,Gn=void 0,Qg=void 0,Ad=void 0,Kb=1,Lg=Oz,ib=x(E,o,-1,X.s+1,1);for(ib[1]=Oz;;){En=!1;for(Jb=1;Jb<=X.y[Lg];++Jb)if(zb=X.F[Lg][Jb],!(zb==ib[1]||zb==ib[Kb-1]))if(Sc=CH(X,Lg,zb),2==X.r[Sc]&&5!=X.f[Sc]){Lg=ib[++Kb]=zb;En=!0;break}if(!En)break}if(!(0==Kb%2||2>X.y[ib[Kb]]||3<X.y[ib[Kb]])){Ad=ib[1];Ab=ib[~~((Kb+1)/2)];xc=ib[Kb];zd=Uc=Tc=yc=0;Gn=Fn=!1;for(Jb=1;Jb<=X.y[Ad];++Jb)zb=
+X.F[Ad][Jb],Sc=CH(X,Ad,zb),1!=X.r[Sc]||5==X.f[Sc]||(0==yc?yc=zb:Tc=zb);0<yd[Tc]&&yd[yc]>yd[Tc]&&(Dj=yc,yc=Tc,Tc=Dj);Mg=yc;0==yc&&(Mg=Tc,Fn=!0);for(Jb=1;Jb<=X.y[xc];++Jb)zb=X.F[xc][Jb],Sc=CH(X,xc,zb),1!=X.r[Sc]||5==X.f[Sc]||(0==Uc?Uc=zb:zd=zb);0<yd[zd]&&yd[Uc]>yd[zd]&&(Dj=Uc,Uc=zd,zd=Dj);Pg=Uc;0==Uc&&(Pg=zd,Gn=!0);Ng=QH(X,CH(X,Ad,yc),Ad);Og=QH(X,CH(X,Ad,Tc),Ad);Pz=QH(X,CH(X,xc,Uc),xc);Qz=QH(X,CH(X,xc,zd),xc);1<(0>Ng+Og?-(Ng+Og):Ng+Og)||0!=Pz||0!=Qz?F(X.k,fd):(Ej=X.I[ib[Kb-1]]-X.I[xc],Fj=X.L[ib[Kb-
+1]]-X.L[xc],Qg=Math.sqrt(Ej*Ej+Fj*Fj),0.001>Qg&&(Qg=0.001),0<(X.L[Pg]-X.L[ib[Kb-1]])*(Ej/Qg)-(X.I[Pg]-X.I[ib[Kb-1]])*(Fj/Qg)?Ib[Ab]=1:Ib[Ab]=-1,Fn&&(Ib[Ab]*=-1),Gn&&(Ib[Ab]*=-1),Mg==yc&&0>Ng&&(Ib[Ab]*=-1),Mg==Tc&&0>Og&&(Ib[Ab]*=-1),yd[Mg]>yd[Pg]&&(Ib[Ab]*=-1))}}else b:{var Na=a,wa=qa,Hn=Lz,Rz=hf,Sz=n,Tz=q,xI=wI,Gj=ef,Hj=void 0,Lb=void 0,In=void 0,jf=void 0,ia=void 0,kf=void 0,ac=void 0,Rg=void 0,zc=void 0,Ya=void 0,V=void 0,U=void 0,Vc=void 0,Ij=void 0,Mb=void 0,y=void 0,Jj=void 0,U=x(E,o,-1,4,1),
+Ij=x(E,o,-1,4,1),Sg=void 0,Nb=void 0,Kj=void 0,Lj=void 0,Jn=void 0,Tg=void 0,Tg=-1;0<Hn[wa]&&(U[++Tg]=Hn[wa]);for(Nb=1;Nb<=xI;++Nb)Sz[Nb]==wa&&(U[++Tg]=Tz[Nb]),Tz[Nb]==wa&&(U[++Tg]=Sz[Nb]);for(Nb=Tg+1;Nb<Na.y[wa];++Nb){Jn=Na.s+1;Kj=1;c:for(;Kj<=Na.y[wa];++Kj){Sg=Na.F[wa][Kj];for(Lj=0;Lj<Nb;++Lj)if(Sg==U[Lj])continue c;Rz[Sg]<Jn&&(Jn=Rz[Sg],U[Nb]=Sg)}}0==Hn[wa]&&0<Na.w[wa]?(U[3]=U[2],U[2]=U[1],U[1]=U[0],U[0]=-1):0<Na.w[wa]&&(U[3]=U[2],U[2]=U[1],U[1]=-1);for(ia=Rg=kf=jf=Jj=ac=Ya=0;4>ia;++ia)0>=U[ia]||
+(Hj=CH(Na,wa,U[ia]),Ij[ia]=QH(Na,Hj,wa),0<Ij[ia]?(++Ya,Jj=U[ia],kf=U[ia]):0>Ij[ia]?(++ac,jf=U[ia],kf=U[ia]):Rg=U[ia]);zc=Ya+ac;y=x(E,o,-1,4,1);Mb=0;if(3==Na.y[wa]){if(1==Ya&&1==ac||3==zc&&0<Ya&&0<ac){F(Na.k,ke);break b}Vc=U[0];1==zc?Vc=kf:2==zc&&(Vc=Rg);V=AH(Na,wa,Vc,U);y[0]=kf;y[1]=-1;y[2]=V[2];y[3]=V[1];0<Ya?Mb=1:Mb=-1}else if(4==Na.y[wa])if(1==zc)V=AH(Na,wa,kf,U),y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],0<Ya?Mb=1:Mb=-1;else{Vc=U[0];1<Rg&&(Vc=Rg);1==Ya?Vc=Jj:1==ac&&(Vc=jf);V=AH(Na,wa,Vc,U);Lb=x(E,
+o,-1,4,1);for(ia=0;4>ia;++ia)Hj=CH(Na,wa,V[ia]),Lb[ia]=QH(Na,Hj,wa);if(4==zc){if(0==Ya||0==ac){F(Na.k,le);break b}if(1==Ya||1==ac)y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],Mb=Lb[0];else{for(ia=0;4>ia;++ia)-1==Lb[ia]&&(Lb[ia]=0);zc=2}}else if(3==zc)if(3==Ya||3==ac)y[0]=V[0],y[1]=V[3],y[2]=V[2],y[3]=V[1],0<Ya?Mb=-1:Mb=1;else{1==Ya?Ya=In=1:ac=In=-1;for(ia=0;4>ia;++ia)Lb[ia]==In&&(Lb[ia]=0);zc=2}if(2==zc)if(1==Ya&&1==ac)V[1]==jf?(V[1]=V[2],V[2]=V[3]):V[2]==jf&&(V[2]=V[3]),y[0]=Jj,y[1]=jf,y[2]=V[2],y[3]=
+V[1],Mb=1;else{if(Lb[0]==Lb[1]||Lb[1]==Lb[2]){F(Na.k,me);break b}0!=Lb[0]?(y[0]=V[0],y[1]=V[2],y[2]=V[1],y[3]=V[3]):(y[0]=V[1],y[1]=V[3],y[2]=V[2],y[3]=V[0]);1<Ya?Mb=1:Mb=-1}}var Ia=void 0;U[0]==y[1]?(Ia=y[0],y[0]=y[1],y[1]=Ia,Ia=y[2],y[2]=y[3],y[3]=Ia):U[0]==y[2]?(Ia=y[2],y[2]=y[0],y[0]=Ia,Ia=y[1],y[1]=y[3],y[3]=Ia):U[0]==y[3]&&(Ia=y[3],y[3]=y[0],y[0]=Ia,Ia=y[1],y[1]=y[2],y[2]=Ia);U[1]==y[2]?(Ia=y[1],y[1]=y[2],y[2]=Ia,Ia=y[2],y[2]=y[3],y[3]=Ia):U[1]==y[3]&&(Ia=y[1],y[1]=y[3],y[3]=Ia,Ia=y[2],y[2]=
+y[3],y[3]=Ia);y[2]==U[2]?Gj[wa]=1:y[2]==U[3]?Gj[wa]=-1:F(Na.k,ne);Gj[wa]*=Mb}}}Oc=new LE;i=x(E,o,-1,a.s+1,1);for(t=1;t<=a.s;++t)i[b[t]]=t;for(t=1;t<=a.s;++t){c=b[t];Sa[c]&&Sr(Oc.a,gb);0<Nc[t]&&RH(a,c,Nc[c],Oc,Hg);var lf=P[c],Ua=void 0,Ug=void 0,mf=void 0,L=void 0,L=kh,Ua=!1;0!=a.z[c]&&(Ua=!0);0!=ef[c]&&(Ua=!0);mf=-1;for(Ug=1;Ug<=a.x;++Ug)if(a.p[Ug][0]==c){mf=a.p[Ug][1];break}-1<mf&&(Ua=!0);a.k.pb&&0<a.b[c]&&(Ua=!0,mf=1);switch(a.c[c]){case 2:L=cd;break;case 3:lf?L=ci:L=md;break;case 4:lf?(L=Sk,0<
+a.w[c]&&(Ua=!0)):L=Bf;break;case 5:lf?L=ml:L=Of;break;case 7:lf?(L=Ml,0<a.w[c]&&(Ua=!0)):L=Uf;break;case 8:lf?L=Hm:L=rg;break;case 13:lf?L=Om:L=wg;Ua=!0;break;case 6:L=Ag;Ua=!0;break;case 9:L=pe;break;case 10:L=Ld;break;case 11:L=kd;break;case 12:L=Ae;break;case 1:L=we;Ua=!0;break;case 19:L=fg;Ua=!0;break;case 20:L=gg;Ua=!0;break;case 21:L=hg;Ua=!0;break;case 22:L=ig;Ua=!0;break;case 18:Ua=!0,L=a.n[c],(D(L,mb)||D(L,zh)||D(L,Ic))&&(Ua=!1)}Ua&&(L=lh+L,1==ef[c]?L+=Gc:-1==ef[c]&&(L+=Hc),1==a.w[c]?L+=
+we:1<a.w[c]&&(L+=we+a.w[c]),0!=a.z[c]&&(0<a.z[c]?L+=nb:L+=tb,1<(0>a.z[c]?-a.z[c]:a.z[c])&&(L+=0>a.z[c]?-a.z[c]:a.z[c])),-1<mf&&(L+=gc+mf),L+=qh);Sr(Oc.a,L);for(M=1;M<=vd;++M)if(n[M]==c||q[M]==c)d=q[M],d==c&&(d=n[M]),i[c]<i[d]&&RH(a,n[M],q[M],Oc,Hg),9<M&&Sr(Oc.a,cb),Tr(Oc,j+(new Q(M)).a);tn[c]&&Sr(Oc.a,kb)}return xs(Oc.a)}
+function AF(a,b){var c,d,e,f;f=0;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],c!=b&&d!=b&&(++f,a.G[f]=c,c>b&&--a.G[f],a.H[f]=d,d>b&&--a.H[f],a.r[f]=a.r[e],a.A[f]=a.A[e],a.J[f]=a.J[e],a.M[f]=a.M[e],a.e[f]=a.e[e]);a.t=f;for(e=b;e<a.s;++e){a.c[e]=a.c[e+1];a.z[e]=a.z[e+1];a.I[e]=a.I[e+1];a.L[e]=a.L[e+1];a.w[e]=a.w[e+1];a.b[e]=a.b[e+1];a.d[e]=a.d[e+1];a.y[e]=a.y[e+1];a.n[e]=a.n[e+1];for(f=1;f<=a.y[e];++f)a.F[e][f]=a.F[e+1][f]}--a.s;if(0==a.s)JG(a.k);else{for(e=1;e<=a.s;++e){d=0;for(f=1;f<=a.y[e];++f)c=a.F[e][f],
+c==b?++a.w[e]:(c>b&&--c,a.F[e][++d]=c);a.y[e]=d}e=1;a:for(;e<=a.x;++e)if(a.p[e][0]==b){for(f=e;f<a.x;++f)a.p[f][0]=a.p[f+1][0],a.p[f][1]=a.p[f+1][1];--a.x;break a}for(e=1;e<=a.x;++e)a.p[e][0]>b&&--a.p[e][0]}}
+function BF(a,b){var c,d,e,f;c=a.G[b];d=a.H[b];for(e=b;e<a.t;++e)a.G[e]=a.G[e+1],a.H[e]=a.H[e+1],a.r[e]=a.r[e+1],a.A[e]=a.A[e+1],a.J[e]=a.J[e+1],a.M[e]=a.M[e+1],a.e[e]=a.e[e+1];--a.t;f=0;for(e=1;e<=a.y[c];++e)a.F[c][e]!=d&&(a.F[c][++f]=a.F[c][e]);a.y[c]=f;f=0;for(e=1;e<=a.y[d];++e)a.F[d][e]!=c&&(a.F[d][++f]=a.F[d][e]);a.y[d]=f;c<d&&(f=c,c=d,d=f);0==a.y[c]&&AF(a,c);0==a.y[d]&&AF(a,d)}
+function LH(a){var b,c,d;if(!a.k.D){c=a.s;a:for(;1<=c;--c)if(d=a.F[c][1],1==a.c[c]&&1==a.y[c]&&0==a.z[c]&&1!=a.c[d]&&18>a.c[d]){for(b=1;b<=a.x;++b)if(a.p[b][0]==c)continue a;b=CH(a,c,d);1==a.r[b]&&(0==a.A[b]||!a.k.qb)&&AF(a,c)}}}function IH(a){var b;b=a.c.length;a.F=Dv([b,7]);a.y=x(E,o,-1,b,1);for(b=1;b<=a.s;++b)a.y[b]=0;for(b=1;b<=a.t;++b)6>a.y[a.G[b]]&&(a.F[a.G[b]][++a.y[a.G[b]]]=a.H[b]),6>a.y[a.H[b]]&&(a.F[a.H[b]][++a.y[a.H[b]]]=a.G[b])}
+function NH(a,b,c){var d,e,f,g,i,h,l,m,n;a.f=x(E,o,-1,a.t+1,1);n=x(KH,u,-1,a.s+1,2);for(h=1;h<=a.s;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.y[h];++d)if(c[CH(a,h,a.F[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.y[h]+a.w[h]))switch(a.c[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.t;++i)1==a.r[i]?a.f[i]=1:JH(a,i)?a.f[i]=2:3==a.r[i]&&(a.f[i]=3);i=1;a:for(;i<=a.t;++i)if(c[i]&&(f=a.G[i],g=a.H[i],n[f]&&n[g])){d=x(KH,u,-1,a.s+1,2);for(h=1;h<=a.y[f];++h)e=a.F[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.s;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.y[h];++l){e=a.F[h][l];if(e==g){b[f]=!0;b[g]=!0;a.f[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function HF(a){var b,c,d;for(d=1;d<=a.t;++d)b=a.G[d],c=a.H[d],a.J[d]=H(G(T((a.I[b]+a.I[c])/2))),a.M[d]=H(G(T((a.L[b]+a.L[c])/2)))}function MH(a,b){var c;for(c=1;c<=a.t;++c)UG(a,a.G[c],a.H[c])?b[c]=!1:b[c]=!0}function TG(a,b){var c;c=(AG(),UD)[a.c[b]];18==a.c[b]&&(c=a.n[b]);return c}
+function JH(a,b){return 2==a.r[b]?!0:!1}function UG(a,b,c){var d,e,f,g;g=1;a.a=x(E,o,-1,a.s+1,1);for(d=1;d<=a.s;++d)a.a[d]=0;for(d=a.a[b]=1;d<=a.y[b];++d)a.F[b][d]!=c&&(a.a[a.F[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.s;++d){f=!1;if(0<a.a[d]&&d!=b)for(e=1;e<=a.y[d];++e)0==a.a[a.F[d][e]]&&(a.a[a.F[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.a[c]}
+function kH(a){var b,c;a.k.G=!0;if(a.k.pb)a.j=-1,0==a.b[a.C]?a.b[a.C]=4:a.b[a.C]=0;else{for(b=1;b<=a.x;++b)if(a.C==a.p[b][0]){if(-1==a.k.t){for(;b<a.x;++b)a.p[b][0]=a.p[b+1][0],a.p[b][1]=a.p[b+1][1];--a.x}else c=a.k.t,a.k.p&&(a.k.U||++a.q,c=a.q),a.p[b][1]=c;return}b=a.p.length;++a.x>b-1&&(b=Dv([b+5,2]),ME(a.p,b,a.p.length),a.p=b);a.p[a.x][0]=a.C;c=a.k.t;a.k.p&&(a.k.U||++a.q,c=a.q);a.p[a.x][1]=c}}function SD(a){var b;a.x=0;a.q=0;pH(a);for(b=1;b<=a.s;++b)a.C=b,kH(a);a.C=0}
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+function dH(a,b,c){var d,e,f,g,i;if(0==c.indexOf(lh)&&GE(c,qh))c=c.substr(1,c.length-1-1),a.c[b]=18,a.n[b]=c,a.w[b]=0;else{f=!1;-1<c.indexOf(k)&&(f=!0);-1<c.indexOf(jc)&&(f=!0);-1<c.indexOf(Oa)&&(f=!0);-1<c.indexOf(Ba)&&(f=!0);d=c.indexOf(gc);e=c.indexOf(we);g=tp(c.indexOf(nb),c.indexOf(tb));if(-1<d){i=vx(c,d+1);try{a.k.t=RD(i,10)}catch(h){if(h=qs(h),B(h,52))a.k.t=0;else throw h;}a.C=b;kH(a);c=c.substr(0,d-0);a.C=0}if(f)a.n[b]=c,a.c[b]=18,a.w[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
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+1,this.A[c]=2;else if(-5==this.r[c])this.r[c]=2,this.A[c]=10;else if(11==this.r[c]||12==this.r[c]||13==this.r[c]||14==this.r[c])this.A[c]=this.r[c],this.r[c]=9;IH(this);nH(this);IG(this)}catch(i){i=qs(i);if(B(i,52)){i.Vb();this.s=0;return}throw i;}LH(this);cE(this)}}
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+1;a<=b.x;++a)d=b.p[a][0],d==c&&(++this.x,this.p[this.x][0]=f[d],this.p[this.x][1]=b.p[a][1]);this.j=b.j;cE(this);IG(this)}
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+e+12),Z(b,f+15,e+12,f+17,e+18),Z(b,f+17,e+18,f+12,e+15),$(b,Lt)):wy(a,b,f,e,"123");break;case 112:$(b,Rt);su(b,f+4,e+4,a.N-8,a.N-8);$(b,Lt);Nx(b,f+4,e+4,a.N-8,a.N-8);xy(a,b,f+1,e-1,Gt,"i");break;case 201:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2)+2);Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2)-2);Z(b,f+a.N-c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)-2);break;case 202:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));break;case 203:Z(b,f+c,e+~~(a.N/2)-2,f+a.N-c,e+~~(a.N/2)-2);Z(b,f+c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)+2);break;
+case 204:Z(b,f+c,e+~~(a.N/2),f+a.N-c,e+~~(a.N/2));Z(b,f+c,e+~~(a.N/2)-2,f+a.N-c,e+~~(a.N/2)-2);Z(b,f+c,e+~~(a.N/2)+2,f+a.N-c,e+~~(a.N/2)+2);break;case 205:Z(b,f+~~(c/2),e+2*c+~~(c/3),f+3*~~(c/2),e+2*c-~~(c/3));a=Pa+(f+3*~~(c/2))+la+(e+2*c-~~(c/3))+ka+(f+5*~~(c/2))+ma+(e+2*c+~~(c/3))+ha+b.d+ea+b.a+Ea;Ix(b,a);e=Pa+(f+5*~~(c/2))+la+(e+2*c+~~(c/3))+ka+(f+7*~~(c/2))+ma+(e+2*c-~~(c/3))+ha+b.d+ea+b.a+Ea;Ix(b,e);break;case 206:yy(a,b,f,e+2,3);break;case 207:yy(a,b,f,e,4);break;case 208:yy(a,b,f,e,5);break;
+case 209:yy(a,b,f,e,1);break;case 210:yy(a,b,f,e,6);break;case 211:yy(a,b,f,e,7);break;case 212:yy(a,b,f,e,8)}else d=3,301==g?d=3:401==g?d=4:501==g?d=5:601==g?d=8:701==g?d=9:801==g?d=10:901==g?d=11:1001==g?d=12:1101==g?d=7:1201==g?d=18:1301==g&&(d=19),null!=Jv[d]&&xy(a,b,f,e,Iv[d],Jv[d])}
+function zy(a){var b,c,d;a.X&&(d=a.z.a,c=a.x.b-a.N,b=a.N,$(d,ky),su(d,0,0,c,b),$(d,ly),Z(d,0,0,c-1-2,0),$(d,Tt(ky)),Z(d,0,b-1,c-1,b-1),Z(d,c-1,0,c-1,b-1),Px(d,a.L),$(d,(Ft(),Lt)),0==a.A.indexOf("E")&&$(d,Mt),Ox(d,a.A,10,15),gx(a.vb,a.z,a.N,a.x.a-a.N))}function Ay(a){var b,c,d;if(a.Y){d=a.F.a;c=a.N;b=a.x.a-2*a.N;$(d,ky);su(d,0,0,c,b);$(d,ly);Z(d,0,0,0,b-1);Z(d,0,Cv*a.N,b-1,Cv*a.N);$(d,Tt(ky));Z(d,c-1,0,c-1,b-1-a.N);Z(d,0,b-1,c-1,b-1);for(b=3;b<=Cv+2;++b)vy(a,d,1,b);gx(a.vb,a.F,0,2*a.N)}}
+function By(a){var b,c,d,e;if(a.Z){e=a.S.a;c=a.x.b-a.N;b=a.x.a-3*a.N;$(e,a.r);su(e,0,0,c,b);for(d=1;d<=a.ab;++d){var f=a.T[d],g=e,i=void 0,h=void 0,l=void 0,m=void 0,n=void 0,q=m=n=void 0,s=void 0,M=h=n=i=n=i=void 0,G=l=void 0,L=void 0,T=q=void 0,Qa=s=n=G=void 0,O=q=void 0,ia=L=void 0,Xa=M=h=i=M=h=T=ia=q=q=void 0,Qa=O=l=n=l=void 0,m=s=1,Qa=2,L=3;f.v&&(ry(f),qy(f.k,1,f.k.ab,0),f.v=!1);1!=f.k.w&&(Qa*=f.k.w,L*=f.k.w,i=1,0.7>f.k.w&&(i=1.2),i=F(10*f.k.w*i),f.k.j=new iu(tb,0,i),f.k.k=null);f.k.v&&($(g,
+(Ft(),Lt)),Nx(g,0,0,f.k.x.b-1,f.k.x.a-1));if(0!=f.s){if(-1==f.j){n=I(H(Math.round(12*Qa)));for(i=1;i<=f.s;++i)0<f.b[i]&&7>f.b[i]&&($(g,(jy(),ny)[f.b[i]]),l=g,h=F(f.I[i]-n/2),M=F(f.L[i]-n/2),q=ia=n,Kx(l,!0),Ix(l,Lx(l,h,M,ia,q)));for(i=1;i<=f.t;++i)h=f.G[i],l=f.H[i],0!=f.b[h]&&f.b[h]==f.b[l]&&($(g,(jy(),ny)[f.b[h]]),q=f.I[l]-f.I[h],s=f.L[l]-f.L[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,O=3*L*s,q=3*L*m,M=x(D,o,-1,4,1),n=x(D,o,-1,4,1),M[0]=F(f.I[h]+O),n[0]=F(f.L[h]-q),M[1]=F(f.I[l]+O),n[1]=F(f.L[l]-
+q),M[2]=F(f.I[l]-O),n[2]=F(f.L[l]+q),M[3]=F(f.I[h]-O),n[3]=F(f.L[h]+q),l=g,h=M,Kx(l,!0),Ix(l,Sx(l,h,n,4,!0)))}for(i=1;i<=f.t;++i){$(g,(Ft(),Lt));h=f.G[i];l=f.H[i];1==f.j&&0!=f.b[h]&&f.b[h]==f.b[l]&&$(g,(jy(),ny)[f.b[h]]);if(3==f.A[i]||4==f.A[i])n=h,h=l,l=n;ia=f.I[h];M=f.L[h];h=f.I[l];l=f.L[l];if(1!=f.r[i]||0!=f.A[i])q=h-ia,s=l-M,m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m;switch(f.r[i]){case 2:10<=f.A[i]&&$(g,Pt);O=Qa*s;q=Qa*m;Z(g,I(H(Math.round(ia+O))),I(H(Math.round(M-q))),I(H(Math.round(h+O))),
+I(H(Math.round(l-q))));Z(g,I(H(Math.round(ia-O))),I(H(Math.round(M+q))),I(H(Math.round(h-O))),I(H(Math.round(l+q))));$(g,Lt);break;case 3:n=I(H(Math.round(ia)));M=I(H(Math.round(M)));h=I(H(Math.round(h)));l=I(H(Math.round(l)));Z(g,n,M,h,l);q=I(H(Math.round(L*s)));ia=I(H(Math.round(L*m)));Z(g,n+q,M-ia,h+q,l-ia);Z(g,n-q,M+ia,h-q,l+ia);break;case 9:case 0:for(G=0;10>G;++G)T=ia-(ia-h)/10*G,Xa=M-(M-l)/10*G,Z(g,I(H(Math.round(T))),I(H(Math.round(Xa))),I(H(Math.round(T))),I(H(Math.round(Xa))));Px(g,f.k.j);
+n=ku(f.k.k.c).a;q=f.e[i];O=Ua;null!=q&&(O=q);q=Pu(f.k.k,O);h=I(H(Math.round((ia+h)/2-q/2)));l=I(H(Math.round((M+l)/2+~~(n/2)-1)));$(g,Pt);Ox(g,O,h,l);$(g,Lt);break;default:if(1==f.A[i]||3==f.A[i])O=L*s,q=L*m,T=x(D,o,-1,3,1),G=x(D,o,-1,3,1),T[0]=I(H(Math.round(h+O))),G[0]=I(H(Math.round(l-q))),T[1]=I(H(Math.round(ia))),G[1]=I(H(Math.round(M))),T[2]=I(H(Math.round(h-O))),G[2]=I(H(Math.round(l+q))),n=g,l=T,h=G,Kx(n,!0),Ix(n,Sx(n,l,h,3,!0));else if(2==f.A[i]||4==f.A[i]){O=L*s;q=L*m;for(G=0;10>G;++G)T=
+ia-(ia-h)/10*G,Xa=M-(M-l)/10*G,n=G/10,Z(g,I(H(Math.round(T+O*n))),I(H(Math.round(Xa-q*n))),I(H(Math.round(T-O*n))),I(H(Math.round(Xa+q*n))))}else Z(g,I(H(Math.round(ia))),I(H(Math.round(M))),I(H(Math.round(h))),I(H(Math.round(l))))}}Px(g,f.k.j);n=ku(f.k.k.c).a;Qa=x(Pn,u,1,f.s+1,0);for(i=1;i<=f.s;++i)O=Cy(f,i),3==f.c[i]&&0<f.y[i]&&0==f.z[i]?Qa[i]=O:(f.k.lb&&(0<f.w[i]&&(O+=sb),1<f.w[i]&&(O+=f.w[i])),0!=f.z[i]&&(1<(0>f.z[i]?-f.z[i]:f.z[i])&&(O+=0>f.z[i]?-f.z[i]:f.z[i]),0<f.z[i]?O+=xa:O+=Aa),Qa[i]=O,
+(null==O||1>O.length)&&(O=va),q=Pu(f.k.k,O),h=I(H(uw(f.I[i]-q/2))),l=I(H(uw(f.L[i]+~~(n/2)-1))),$(g,f.k.r),-1==f.j&&0!=f.b[i]&&$(g,(jy(),ny)[f.b[i]]),su(g,h-1,l-n+2,q+1,n-1),1==f.j?0!=f.b[i]?$(g,(jy(),ny)[f.b[i]]):$(g,(Ft(),Lt)):$(g,(jy(),Iv)[f.c[i]]),Ox(g,O,h,l));for(G=1;G<=f.x;++G)i=f.p[G][0],q=Pu(f.k.k,Qa[i]),h=I(H(uw(f.I[i]-q/2))),l=I(H(uw(f.L[i]+~~(n/2)-1))),$(g,(Ft(),Pt)),Ox(g,k+f.p[G][1],h+q,l);if(0<f.C||0<f.D)if($(g,104==f.k.b?(Ft(),Mt):(Ft(),Rt)),0<f.C&&106!=f.k.b&&(q=Pu(f.k.k,Qa[f.C]),Nx(g,
+I(H(uw(f.I[f.C]-q/2-1))),I(H(uw(f.L[f.C]-n/2-1))),q+2,n+2)),0<f.D&&(h=f.G[f.D],l=f.H[f.D],q=f.I[l]-f.I[h],s=f.L[l]-f.L[h],m=Math.sqrt(q*q+s*s),1>m&&(m=1),s/=m,m=q/m,O=(L+1)*s,q=(L+1)*m,T=x(D,o,-1,5,1),G=x(D,o,-1,5,1),T[0]=I(H(uw(f.I[h]+O))),T[1]=I(H(uw(f.I[l]+O))),G[0]=I(H(uw(f.L[h]-q))),G[1]=I(H(uw(f.L[l]-q))),T[3]=I(H(uw(f.I[h]-O))),T[2]=I(H(uw(f.I[l]-O))),G[3]=I(H(uw(f.L[h]+q))),G[2]=I(H(uw(f.L[l]+q))),T[4]=T[0],G[4]=G[0],106!=f.k.b&&(L=g,i=T,s=G,Kx(L,!1),Ix(L,Sx(L,i,s,5,!0))),106==f.k.b&&Dy(f,
+f.G[f.D],f.H[f.D]))){L=0;for(i=1;i<=f.s;++i)0<f.a[i]&&++L;if(L>~~(f.s/2))for(i=1;i<=f.s;++i)0<f.a[i]?f.a[i]=0:f.a[i]=1;$(g,(Ft(),Mt));for(i=1;i<=f.s;++i)0<f.a[i]&&(q=Pu(f.k.k,Qa[i]),Nx(g,I(H(uw(f.I[i]-q/2-1))),I(H(uw(f.L[i]-n/2-1))),q+2,n+2))}}}a.u||($(e,Tt(ky)),Z(e,c-1,0,c-1,b-1),$(e,ky),Z(e,c-2,0,c-2,b-1),$(e,ly),Z(e,c-3,0,c-3,b-1));a.hb&&(d=~~((c-48)/2),$(e,(Ft(),Pt)),Z(e,d,~~(b/2),d+48,~~(b/2)),Z(e,d+48,~~(b/2),d+48-6,~~(b/2)+6),Z(e,d+48,~~(b/2),d+48-6,~~(b/2)-6));a.u&&(a.H=new iu(tb,0,10),a.K=
+new Ou(a.H),null!=a.R&&(d=Pu(a.K,a.R),c=I(H(Math.round((c-d)/2))),b-=10,$(e,(Ft(),Lt)),Px(e,a.H),Ox(e,a.R,c,b)));gx(a.vb,a.S,a.N,2*a.N)}}
+function yy(a,b,c,d,e){var f,g,i,h,l;f=~~(a.N/4);g=!1;h=x(D,o,-1,9,1);l=x(D,o,-1,9,1);c+=~~(a.N/2);d+=~~(a.N/2);a=~~(a.N/2)-~~(f/2);1==e&&(e=6,g=!0);for(f=0;f<=e;++f)i=6.283185307179586/e*(f-0.5),h[f]=F(c+a*Math.sin(i)),l[f]=F(d+a*Math.cos(i));f=e+1;Kx(b,!1);Ix(b,Sx(b,h,l,f,2<f));if(g){for(f=0;f<=e;++f)i=6.283185307179586/e*(f-0.5),h[f]=F(c+(a-3)*Math.sin(i)),l[f]=F(d+(a-3)*Math.cos(i));Z(b,h[0],l[0],h[1],l[1]);Z(b,h[2],l[2],h[3],l[3]);Z(b,h[4],l[4],h[5],l[5])}}
+function Ey(a){var b,c,d;if(a.$){d=a.sb.a;c=a.x.b;b=2*a.N;$(d,ky);su(d,0,0,c,b);$(d,Tt(ky));Z(d,c-1,0,c-1,b-1);Z(d,0,b-1,c-1-2,b-1);$(d,ly);Z(d,0,0,c-1,0);Z(d,12*a.N,0,12*a.N,b-1);for(b=1;12>=b;++b)vy(a,d,b,1),vy(a,d,b,2);gx(a.vb,a.sb,0,0)}}function Fy(a,b){E(a,j);sy(a);a.ob+=b;a.O=new py(Qo(a.P.a,a.ob));Rv(a.O);ry(a.O);a.ab=1;a.d=1;a.T[1]=a.O;a.Z=!0;Fv(a);a.nb=null}function E(a,b){C(b,a.A)?a.X=!1:(a.X=!0,a.A=b)}
+function hm(a,b){var c,d;if(0!=b){ux(a);c=a.b;a.b=b;if(300>=b)switch(a.$=!0,a.Y=!0,b){case 102:sy(a);break;case 110:a.Z=!0;a.b=c;a.nb?a.e&&(a.jb=++a.ab,a.d=a.ab,a.e=!1):(a.d=a.ab,sy(a));if(!a.nb)break;a.O=new py(a.nb);Rv(a.O);a.T[a.jb]=a.O;break;case 152:d=a.P.a.b;a.b=c;0==d?E(a,Db):0==a.ob?E(a,"Bottom of molstack reached"):Fy(a,-1);break;case 151:d=a.P.a.b;a.b=c;0==d?E(a,Db):a.ob==d-1?E(a,"Top of molstack reached"):Fy(a,1);break;case 101:a.mb&&a.mb.Nb&&(em(),Gy=ms(a.mb),a.mb=null);a.mb=new Hy(1,
+a);a.b=c;break;case 107:a.fb&&a.fb.Nb&&(Iy=ms(a.fb),a.fb=null);a.fb=new Jy(a);break;case 112:a.a&&a.a.Nb&&(em(),Ky=ms(a.a),a.a=null);a.a=new Hy(0,a);a.b=c;break;case 103:a.Z=!0;a._=!0;a.b=c;break;case 105:a.Z=!0;a.p&&a.U&&(a.U=!1,Hv(a.O),a.b=c);a.t=1;break;case 111:mv();case 109:a.b=c;c=Ly(a.O);if(2==c){E(a,"Copying the agent not possible !");break}c=x(sx,u,-1,4,1);tx(a.O,c);a.Z=!0;a.O=new py(a.O);c=F(~~((a.x.b-a.N)/2)-c[0]);for(d=1;d<=a.O.s;++d)a.O.I[d]+=2*c;Rv(a.O);a.T[++a.ab]=a.O;a.d=a.ab;break;
+case 104:0<a.O.C?(a.Z=!0,ty(a.O),px(a.O,a.O.C),a.O.C=0):0<a.O.D&&(a.Z=!0,ty(a.O),qx(a.O,a.O.D),a.O.D=0),xx(a.O)}else{a.Y=!0;a.$=!0;switch(b){case 301:a.c=3;break;case 401:a.c=4;break;case 501:a.c=5;break;case 701:a.c=9;break;case 801:a.c=10;break;case 901:a.c=11;break;case 1001:a.c=12;break;case 601:a.c=8;break;case 1101:a.c=7;break;case 1300:a.c=1;break;case 1201:a.n&&a.n.Nb&&(em(),My=ms(a.n),a.n=null);0==a.O.C&&(a.n=new Hy(2,a));a.c=18;break;case 1301:a.c=19;break;case 1302:a.c=20;break;case 1303:a.c=
+21;break;case 1304:a.c=22}0<a.O.C&&(a.Z=!0,a.c!=a.O.c[a.O.C]&&18!=a.c&&(ty(a.O),a.O.c[a.O.C]=a.c,a.O.z[a.O.C]=0,a.O.w[a.O.C]=0),18==a.c&&(c=uk((em(),fm).Jb.a.J,wf),Ny(a.O,a.O.C,c)),xx(a.O))}Fv(a)}}
+function cm(a){var b,c,d;d=Sv(a);c=j;if(a.hb){var e,f,g;g=En([4,a.ab+1]);for(f=1;3>=f;++f){e=0;for(b=1;b<=a.ab;++b)Ly(a.T[b])==f&&(g[f][++e]=b);g[f][0]=e}c=c+"$RXN\n\n\nJME Molecular Editor\n"+(Oy(g[1][0],3)+Oy(g[3][0],3)+aa);for(b=1;b<=g[1][0];++b)c+=ra+Py(a.T[g[1][b]],d);for(b=1;b<=g[3][0];++b)c+=ra+Py(a.T[g[3][b]],d)}else 1<a.ab&&(a.O=new Qy(a,a.T,a.ab)),c=Py(a.O,d),1<a.ab&&(a.O=a.T[a.d]);return c}
+function nx(a,b,c,d){var e;if(4==b.e)b=a.s.a,a=ms(a),c+=a.a,d+=a.b,fq(b.a,c,d),gq(b.a);else if(!a.u)if(a.X=!1,a.tb=c-a.N,a.ub=d-2*a.N,E(a,j),a.U=rx(b),a.V=!1,c<a.N||d<2*a.N){e=0;for(b=1;12>=b;++b)if(c<b*a.N){e=b;break}c=0;for(b=1;b<=Cv+2;++b)if(d<b*a.N){c=b;break}0==e||0==c||(d=100*c+e,111==d||!a.eb&&107==d||!a.qb&&201==d||!a.W&&103==d||!a.cb&&!a.p&&105==d||!a.hb&&109==d||hm(a,d))}else if(!(d>a.x.a-a.N-1)){a.V=!0;c-=a.N;d-=2*a.N;if(0<a.O.C)if(104==a.b)ty(a.O),px(a.O,a.O.C),a.O.C=0;else{if(106==a.b)return;
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+18==a.c))ty(a.O),a.O.c[a.O.C]=a.c,a.O.z[a.O.C]=0,a.O.w[a.O.C]=0,18==a.c&&(d=uk((em(),fm).Jb.a.J,wf),1>d.length&&(d=gc),Ny(a.O,a.O.C,d))}else if(0<a.O.D)if(104==a.b)ty(a.O),qx(a.O,a.O.D),a.O.D=0;else if(106==a.b){ty(a.O);d=a.O;c=a.O.D;if(0<d.a[d.G[c]]&&0<d.a[d.H[c]])E(d.k,"Removal of substituent not possible.");else for(;;){c=0;for(b=d.s;1<=b;--b)0<d.a[b]&&b>c&&(c=b);if(0==c)break;px(d,c);d.a[c]=0}a.O.D=0}else if(201==a.b)Vy(a.O,a.O.D);else if(202==a.b||205==a.b)1==a.O.r[a.O.D]&&0==a.O.A[a.O.D]?a.O.r[a.O.D]=
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+++a.y[a.C];vx(a);a.r[a.t]=1;203==a.k.b&&(a.r[a.t]=2);204==a.k.b&&(a.r[a.t]=3);a.G[a.t]=a.C;a.H[a.t]=a.s;201==a.k.b&&Vy(a,a.t);a.F[a.s][1]=a.C;a.F[a.C][a.y[a.C]]=a.s;a.J[a.t]=I(H(uw((a.I[a.C]+a.I[a.s])/2)));a.M[a.t]=I(H(uw((a.L[a.C]+a.L[a.s])/2)));a.K=a.I[a.s];a.N=a.L[a.s]}
+function Ty(a,b){var c;a.E=a.C;c=0;if(233==a.k.b||237==a.k.b||236==a.k.b||239==a.k.b||251==a.k.b||252==a.k.b)V(a,0),a.C=a.s,a.o=!0,V(a,0),a.o=!1,a.C=a.s-1,V(a,0),a.C=a.s-2,V(a,0),237==a.k.b&&(a.c[a.s]=10,a.c[a.s-1]=10,a.c[a.s-2]=10),236==a.k.b&&(a.c[a.s]=9,a.c[a.s-1]=9,a.c[a.s-2]=9),239==a.k.b&&(a.c[a.s]=5,a.c[a.s-1]=5,a.c[a.s-2]=5,a.c[a.s-3]=8,a.r[a.t]=2,a.r[a.t-1]=2),252==a.k.b&&(a.c[a.s]=5,a.c[a.s-1]=5,a.c[a.s-2]=4,a.c[a.s-3]=8,a.r[a.t]=2,a.r[a.t-1]=2),251==a.k.b&&(a.c[a.s]=5,a.c[a.s-1]=5,a.c[a.s-
+2]=5,a.c[a.s-3]=7,a.r[a.t]=2),c=4;else if(244==a.k.b)V(a,0),a.c[a.s]=4,a.C=a.s,V(a,0),a.c[a.s]=8,a.C=a.s,a.o=!0,V(a,0),a.o=!1,a.C=a.s-1,V(a,0),a.c[a.s]=5,a.r[a.t]=2,a.C=a.s-2,V(a,0),a.c[a.s]=5,a.r[a.t]=2,c=5;else if(234==a.k.b)V(a,0),a.c[a.s]=4,a.C=a.s,V(a,0),a.c[a.s]=5,a.r[a.t]=2,a.C=a.s-1,V(a,0),a.c[a.s]=5,a.r[a.t]=2,c=3;else if(235==a.k.b)V(a,0),a.C=a.s,V(a,0),a.c[a.s]=5,a.C=a.s-1,V(a,0),a.c[a.s]=5,a.r[a.t]=2,c=3;else if(240==a.k.b)V(a,0),a.C=a.s,V(a,0),a.c[a.s]=5,a.C=a.s,V(a,0),a.C=a.s-2,V(a,
+0),a.c[a.s]=5,a.r[a.t]=2,c=4;else if(241==a.k.b)V(a,0),a.c[a.s]=5,a.C=a.s,V(a,0),a.C=a.s,V(a,0),a.C=a.s-1,V(a,0),a.r[a.t]=2,a.c[a.s]=5,c=4;else if(243==a.k.b)V(a,0),a.c[a.s]=4,a.C=a.s,V(a,0),a.C=a.s-1,V(a,0),c=3;else if(238==a.k.b)V(a,0),a.C=a.s,a.o=!0,V(a,0),a.r[a.t]=3,a.o=!1,c=2;else if(249==a.k.b)V(a,0),a.C=a.s,V(a,0),a.r[a.t]=2,a.c[a.s]=5,c=2;else if(250==a.k.b)V(a,0),a.r[a.t]=2,a.c[a.s]=5,c=1;else if(245==a.k.b)V(a,0),a.C=a.s,a.o=!0,V(a,0),a.C=a.s,a.r[a.t]=3,V(a,0),a.o=!1,c=3;else if(242==a.k.b)V(a,
+0),a.C=a.s,a.o=!0,V(a,0),a.r[a.t]=3,a.c[a.s]=4,a.o=!1,c=2;else if(254==a.k.b)V(a,0),a.c[a.s]=9,c=1;else if(255==a.k.b)V(a,0),a.c[a.s]=10,c=1;else if(256==a.k.b)V(a,0),a.c[a.s]=11,c=1;else if(257==a.k.b)V(a,0),a.c[a.s]=12,c=1;else if(258==a.k.b)V(a,0),a.c[a.s]=4,c=1;else if(259==a.k.b)V(a,0),a.c[a.s]=5,c=1;else if(246==a.k.b)V(a,0),a.C=a.s,V(a,0),c=2;else if(247==a.k.b)V(a,0),a.C=a.s,V(a,0),a.C=a.s,V(a,0),c=3;else if(248==a.k.b)V(a,0),a.C=a.s,V(a,0),a.C=a.s,V(a,0),a.C=a.s,V(a,0),c=4;else if(253==a.k.b){var d,
+e,f,g,i,h,l,m,n,q,s;if(a.k.rb){c=0;m=a.k.rb;for(l=1;l<=m.x;++l)d=m.p[l][0],1==m.p[l][1]&&(c=d);d=a.s;l=a.C;V(a,0);e=a.I[a.s];g=a.L[a.s];px(a,a.s);e=a.I[l]-e;g=a.L[l]-g;h=Math.sqrt(e*e+g*g);g/=h;e/=h;for(h=1;h<=m.s;++h)Wy(a),a.c[a.s]=m.c[h],a.z[a.s]=m.z[h],a.w[a.s]=m.w[h],a.I[a.s]=m.I[h],a.L[a.s]=m.L[h];for(h=1;h<=m.t;++h)vx(a),a.G[a.t]=m.G[h]+d,a.H[a.t]=m.H[h]+d,a.r[a.t]=m.r[h];Rv(a);a.C=c+d;V(a,0);m=a.I[a.s];q=a.L[a.s];px(a,a.s);f=a.I[c+d]-m;i=a.L[c+d]-q;h=Math.sqrt(f*f+i*i);i/=h;f/=h;for(h=d+1;h<=
+a.s;++h)a.I[h]-=m,a.L[h]-=q,n=a.I[h]*f+a.L[h]*i,s=a.L[h]*f-a.I[h]*i,a.I[h]=n,a.L[h]=s,n=-a.I[h]*e+a.L[h]*g,s=-a.L[h]*e-a.I[h]*g,a.I[h]=n,a.L[h]=s,a.I[h]+=a.I[l],a.L[h]+=a.L[l];vx(a);a.G[a.t]=l;a.H[a.t]=c+d;Rv(a);b&&(px(a,l),ry(a))}c=4}wz(a,c);a.C=a.E;b&&(a.C=0)}
+function vz(a,b,c,d){var e,f,g,i,h;e=a.F[b][1];f=a.F[b][2];g=a.I[f]-a.I[e];i=-(a.L[f]-a.L[e]);h=Math.sqrt(g*g+i*i);0.001>h&&(h=0.001);i/=h;g/=h;1>(0>=(a.L[b]-a.L[e])*g+(a.I[b]-a.I[e])*i?0-((a.L[b]-a.L[e])*g+(a.I[b]-a.I[e])*i):(a.L[b]-a.L[e])*g+(a.I[b]-a.I[e])*i)?(g=a.I[b]-a.I[e],i=a.L[b]-a.L[e],h=Math.sqrt(g*g+i*i),0.001>h&&(h=0.001),i/=h,g/=h,d[0]=a.I[e]+h*g-c*i,d[1]=a.L[e]+c*g+h*i):(g=(a.I[e]+a.I[f])/2,e=(a.L[e]+a.L[f])/2,g=a.I[b]-g,i=a.L[b]-e,h=Math.sqrt(g*g+i*i),0.001>h&&(h=0.001),d[0]=a.I[b]+
+c*g/h,d[1]=a.L[b]+c*i/h)}
+function Sy(a){var b,c,d,e,f,g,i,h,l,m,n,q,s;l=-1;i=6;switch(a.k.b){case 206:i=3;break;case 207:i=4;break;case 208:case 221:case 223:i=5;break;case 210:case 209:i=6;break;case 211:i=7;break;case 212:i=8;break;case 229:i=9}f=6.283185307179586/i;h=625*a.k.w*a.k.w/2/(1-Math.cos(f));h=Math.sqrt(h);if(0<a.C)if(2>a.y[a.C])xz(a,i,f,h);else if(a.k.U){if(209==a.k.b||221==a.k.b||223==a.k.b){E(a.k,"ERROR - cannot add aromatic spiro ring !");a.k.E=9;return}for(d=1;d<=a.y[a.C];++d)if(b=a.r[uz(a,a.C,a.F[a.C][d])],
+2<d||1!=b){E(a.k,"ERROR - spiro ring not possible here !");a.k.E=9;return}b=x(sx,u,-1,2,1);vz(a,a.C,h,b);e=a.I[a.C]-b[0];g=a.L[a.C]-b[1];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;for(d=1;d<=i;++d)Wy(a),n=f*d+1.5707963267948966,a.I[a.s]=b[0]+h*(Math.sin(n)*e-Math.cos(n)*g),a.L[a.s]=b[1]+h*(Math.cos(n)*e+Math.sin(n)*g)}else l=a.C,V(a,0),a.C=a.s,xz(a,i,f,h);else if(0<a.D){b=a.G[a.D];c=a.H[a.D];d=0;2==a.y[b]?a.F[b][1]!=c?d=a.F[b][1]:d=a.F[b][2]:2==a.y[c]&&(a.F[c][1]!=b?d=a.F[c][1]:d=a.F[c][2],
+m=b,b=c,c=m);0==d&&(a.F[b][1]!=c?d=a.F[b][1]:d=a.F[b][2]);e=a.I[c]-a.I[b];g=a.L[c]-a.L[b];m=Math.sqrt(e*e+g*g);0.001>m&&(m=0.001);g/=m;e/=m;n=m/2;s=h*Math.sin(0.5*(3.141592653589793-f));m=1;0<(a.L[d]-a.L[b])*e-(a.I[d]-a.I[b])*g&&(s=-s,m=0);q=a.I[b]+n*e-s*g;s=a.L[b]+s*e+n*g;for(d=1;d<=i;++d)Wy(a),n=f*(d+0.5)+3.141592653589793*m,a.I[a.s]=q+h*(Math.sin(n)*e-Math.cos(n)*g),a.L[a.s]=s+h*(Math.cos(n)*e+Math.sin(n)*g),1==m?(d==i&&(a.I[a.s]=a.I[b],a.L[a.s]=a.L[b]),d==i-1&&(a.I[a.s]=a.I[c],a.L[a.s]=a.L[c])):
+(d==i-1&&(a.I[a.s]=a.I[b],a.L[a.s]=a.L[b]),d==i&&(a.I[a.s]=a.I[c],a.L[a.s]=a.L[c]))}else{b=0.5;6==i&&(b=0);for(d=1;d<=i;++d)Wy(a),n=f*(d-b),a.I[a.s]=a.K+h*Math.sin(n),a.L[a.s]=a.N+h*Math.cos(n)}b=i;h=0;for(f=1;f<=b;++f)vx(a),a.r[a.t]=1,h=a.s-b+f,a.y[h]=2,a.G[a.t]=h,a.H[a.t]=h+1;a.H[a.t]=a.s-b+1;if(209==a.k.b){if(a.r[a.t-4]=2,a.r[a.t-2]=2,a.r[a.t]=2,0<a.D)if(1==a.r[a.D]){if(b=0,1<a.y[a.G[a.D]]&&(b=a.F[a.G[a.D]][1],h=a.G[a.D],b==a.H[a.D]&&(b=a.F[a.G[a.D]][2])),0==b&&1<a.y[a.H[a.D]]&&(b=a.F[a.H[a.D]][1],
+h=a.H[a.D],b==a.H[a.D]&&(b=a.F[a.H[a.D]][2])),0<b)for(f=1;f<=a.t;++f)if(a.G[f]==b&&a.H[f]==h||a.G[f]==h&&a.H[f]==b){1!=a.r[f]&&(a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-5]=2,a.r[a.t-3]=2,a.r[a.t-1]=3);break}}else a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-5]=2,a.r[a.t-3]=2,a.r[a.t-1]=2}else if(221==a.k.b||223==a.k.b)if(0<a.D){if(1==a.r[a.D]){b=!1;for(f=1;f<=a.y[a.G[a.D]];++f)if(h=a.F[a.G[a.D]][f],1<a.r[uz(a,a.G[a.D],h)]){b=!0;break}for(f=1;f<=a.y[a.H[a.D]];++f)if(h=a.F[a.H[a.D]][f],1<a.r[uz(a,
+a.H[a.D],h)]){b=!0;break}b||(a.r[a.D]=2)}a.r[a.t-4]=2;a.c[a.s-2]=5}else 0<a.C?221==a.k.b?(a.r[a.t-4]=1,a.r[a.t-2]=1,a.r[a.t-1]=1,a.r[a.t-3]=2,a.r[a.t]=2,a.c[a.s-1]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5):(a.r[a.t-3]=1,a.r[a.t-2]=1,a.r[a.t]=1,a.r[a.t-4]=2,a.r[a.t-1]=2,a.c[a.s-2]=5);h=x(D,o,-1,a.s+1,1);for(f=1;f<=i;++f)b=a.s-i+f,c=a.t-i+f,a.F[b][1]=b-1,a.F[b][2]=b+1,b=a.G[c],e=a.H[c],a.J[c]=I(H(uw((a.I[b]+a.I[e])/2))),a.M[c]=I(H(uw((a.L[b]+a.L[e])/2)));a.F[a.s-
+i+1][1]=a.s;a.F[a.s][2]=a.s-i+1;for(f=a.s-i+1;f<=a.s;++f){h[f]=0;g=51;c=0;for(b=1;b<=a.s-i;++b)e=a.I[f]-a.I[b],d=a.L[f]-a.L[b],e=e*e+d*d,50>e&&e<g&&(g=e,c=b);0<c&&(0==a.C||c==a.C)&&(h[f]=c)}g=a.t-i;f=g+1;a:for(;f<=g+i;++f)if(b=a.G[f],e=a.H[f],0<h[b]&&0<h[e]){for(c=1;c<=g;++c)if(a.G[c]==h[b]&&a.H[c]==h[e]||a.H[c]==h[b]&&a.G[c]==h[e])continue a;vx(a);a.r[a.t]=a.r[f];a.G[a.t]=h[b];a.F[h[b]][++a.y[h[b]]]=h[e];a.H[a.t]=h[e];a.F[h[e]][++a.y[h[e]]]=h[b];a.J[a.t]=I(H(uw((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2)));
+a.M[a.t]=I(H(uw((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))}else 0<h[b]?(vx(a),a.r[a.t]=a.r[f],a.G[a.t]=h[b],a.F[h[b]][++a.y[h[b]]]=e,a.H[a.t]=e,a.F[e][++a.y[e]]=h[b],a.J[a.t]=I(H(uw((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=I(H(uw((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2)))):0<h[e]&&(vx(a),a.r[a.t]=a.r[f],a.G[a.t]=h[e],a.F[h[e]][++a.y[h[e]]]=b,a.H[a.t]=b,a.F[b][++a.y[b]]=h[e],a.J[a.t]=I(H(uw((a.I[a.G[a.t]]+a.I[a.H[a.t]])/2))),a.M[a.t]=I(H(uw((a.L[a.G[a.t]]+a.L[a.H[a.t]])/2))));d=a.s-i;for(f=a.s;f>d;--f)if(0<h[f]&&
+(px(a,f),3==a.c[h[f]])){m=0;for(b=1;b<=a.y[h[f]];++b){e=a.F[h[f]][b];for(c=1;c<=a.t;++c)(a.G[c]==h[f]&&a.H[c]==e||a.G[c]==e&&a.H[c]==h[f])&&(m+=a.r[c])}if(4<m)for(c=g+1;c<=g+i;++c)a.r[c]=1}0<a.C&&wz(a,i);-1<l&&(a.C=l)}
+function xz(a,b,c,d){var e,f,g,i,h,l;0==a.y[a.C]?(e=0,f=1):(e=a.F[a.C][1],f=a.I[a.C]-a.I[e],e=a.L[a.C]-a.L[e],g=Math.sqrt(f*f+e*e),0.001>g&&(g=0.001),e/=g,f/=g);h=a.I[a.C]+d*f;l=a.L[a.C]+d*e;for(g=1;g<=b;++g)Wy(a),i=c*g-1.5707963267948966,a.I[a.s]=h+d*(Math.sin(i)*f-Math.cos(i)*e),a.L[a.s]=l+d*(Math.cos(i)*f+Math.sin(i)*e)}function wz(a,b){var c,d;0==b&&(b=a.s);for(c=a.s;c>a.s-b;--c)d=ox(a,c),0!=d&&(a.I[c]+=6,a.L[c]+=6)}
+function uz(a,b,c){var d;for(d=1;d<=a.t;++d)if(a.G[d]==b&&a.H[d]==c||a.G[d]==c&&a.H[d]==b)return d;return 0}function yz(a,b,c){var d,e,f,g;e=Bf;for(f=g=0;;){++g;for(d=1;d<=a.s;++d)if(qo(c[d])){e=c[d];break}for(d=1;d<=a.s;++d)qo(c[d])&&!fo(c[d],e)&&(e=c[d]);for(d=1;d<=a.s;++d)ko(c[d],e)&&(b[d]=g,c[d]=Bf,++f);if(f==a.s)break}return g==a.s}
+function ry(a){var b,c,d;b=x(sx,u,-1,4,1);d=c=0;a.k&&a.k.x&&0<a.k.x.b&&(c=a.k.x.b-a.k.N,d=a.k.x.a-3*a.k.N);if(0>=c||0>=d)a.v=!0;else{tx(a,b);c=~~(c/2)-I(H(Math.round(b[0])));d=~~(d/2)-I(H(Math.round(b[1])));if(!a.k.bb)for(b=1;b<=a.s;++b)a.I[b]+=c,a.L[b]+=d;wx(a)}}
+function tx(a,b){var c,d,e,f,g;f=9999;d=-9999;g=9999;e=-9999;for(c=1;c<=a.s;++c)a.I[c]<f&&(f=a.I[c]),a.I[c]>d&&(d=a.I[c]),a.L[c]<g&&(g=a.L[c]),a.L[c]>e&&(e=a.L[c]);b[0]=f+(d-f)/2;b[1]=g+(e-g)/2;b[2]=d-f;b[3]=e-g;25>b[2]&&(b[2]=25);25>b[3]&&(b[3]=25)}
+function Ry(a,b,c){var d;if(1==c)++a.z[b];else if(-1==c)--a.z[b];else switch(d=zz(a,b),-1==d&&0==c&&(0==a.z[b]?a.z[b]=1:1==a.z[b]?a.z[b]=-1:-1==a.z[b]&&(a.z[b]=0)),a.c[b]){case 2:2<d&&E(a.k,"Charge change not possible on this boron !");0==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0);break;case 3:3<d?E(a.k,"Charge change not possible on this carbon !"):4>d&&(0==a.z[b]?a.z[b]=-1:-1==a.z[b]?a.z[b]=1:1==a.z[b]&&(a.z[b]=0));break;case 4:case 7:3<d?E(a.k,"Charge change not possible on multibonded N or P !"):3==
+d&&0==a.z[b]?a.z[b]=1:3==d&&1==a.z[b]?a.z[b]=0:3>d&&0==a.z[b]?a.z[b]=1:3>d&&1==a.z[b]?a.z[b]=-1:3>d&&-1==a.z[b]&&(a.z[b]=0);break;case 5:case 8:case 13:2<d?E(a.k,"Charge change not possible on multibonded O or S !"):2==d&&0==a.z[b]?a.z[b]=1:2==d&&1==a.z[b]?a.z[b]=0:2>d&&0==a.z[b]?a.z[b]=-1:2>d&&-1==a.z[b]?a.z[b]=1:2>d&&1==a.z[b]&&(a.z[b]=0);break;case 9:case 10:case 11:case 12:0==d&&0==a.z[b]?a.z[b]=-1:0==d&&-1==a.z[b]?a.z[b]=0:E(a.k,"Charge change not possible on the halogen !");break;case 18:E(a.k,
+"Use X button to change charge on the X atom !")}}
+function cz(a,b){var c,d,e,f,g;f=0;g=!1;for(a.a=x(D,o,-1,a.s+1,1);;){for(e=1;e<=a.s;++e)if(0==a.a[e]){a.a[e]=++f;g=!0;break}if(!g)break;for(;g;){g=!1;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],0<a.a[c]&&0==a.a[d]?(a.a[d]=f,g=!0):0<a.a[d]&&0==a.a[c]&&(a.a[c]=f,g=!0)}}if(2>f||!b)return f;g=x(D,o,-1,f+1,1);for(c=1;c<=a.s;++c)++g[a.a[c]];e=0;for(c=d=1;c<=f;++c)g[c]>e&&(e=g[c],d=c);for(c=a.s;1<=c;--c)a.a[c]!=d&&px(a,c);ry(a);E(a.k,"Smaller part(s) removed !");return 1}
+function ox(a,b){var c,d,e,f,g;f=51;g=0;for(e=1;e<a.s;++e)b!=e&&(c=a.I[b]-a.I[e],d=a.L[b]-a.L[e],c=c*c+d*d,50>c&&c<f&&(f=c,g=e));return g}
+function yx(a){var b,c,d;for(d=1;d<=a.t;++d){b=a.G[d];c=a.H[d];if(1==a.z[b]&&-1==a.z[c]||-1==a.z[b]&&1==a.z[c])if(1==a.r[d]||2==a.r[d]){if(3!=a.c[b]&&3!=a.c[c]&&a.k.db)continue;if(1==a.c[b]||1==a.c[c])continue;if(2==a.c[b]||2==a.c[c])continue;if(9==a.c[b]||10==a.c[b]||11==a.c[b]||12==a.c[b]||9==a.c[c]||10==a.c[c]||11==a.c[c]||12==a.c[c])continue;a.z[b]=0;a.z[c]=0;++a.r[d];xx(a)}1==a.z[b]&&1==a.z[c]&&(2==a.r[d]?a.r[d]=1:3==a.r[d]&&(a.r[d]=2),xx(a));4==a.r[d]&&(a.r[d]=1)}}
+function tz(a,b,c,d){var e,f;f=e=0;0<=a&&0<=b?e=1:0<=a&&0>b?e=2:0>a&&0>b?e=3:0>a&&0<=b&&(e=4);0<=c&&0<=d?f=1:0<=c&&0>d?f=2:0>c&&0>d?f=3:0>c&&0<=d&&(f=4);if(e<f)return 1;if(e>f)return-1;switch(e){case 1:case 4:return a<c?1:-1;case 2:case 3:return a>c?1:-1}return 0}function Rv(a){var b;Az(a);b=a.r.length;a.J=x(D,o,-1,b,1);a.M=x(D,o,-1,b,1);wx(a);xx(a)}
+function Wy(a){var b,c;++a.s;a.s>a.c.length-1&&(c=a.c.length+10,b=x(D,o,-1,c,1),Bw(a.c,b,a.c.length),a.c=b,b=x(D,o,-1,c,1),Bw(a.z,b,a.z.length),a.z=b,b=x(D,o,-1,c,1),Bw(a.w,b,a.w.length),a.w=b,b=x(D,o,-1,c,1),Bw(a.b,b,a.b.length),a.b=b,b=x(Pn,u,1,c,0),Bw(a.d,b,a.d.length),a.d=b,b=x(Pn,u,1,c,0),Bw(a.n,b,a.n.length),a.n=b,b=x(sx,u,-1,c,1),Bw(a.I,b,a.I.length),a.I=b,b=x(sx,u,-1,c,1),Bw(a.L,b,a.L.length),a.L=b,b=En([c,7]),Bw(a.F,b,a.F.length),a.F=b,c=x(D,o,-1,c,1),Bw(a.y,c,a.y.length),a.y=c);a.c[a.s]=
+3;a.z[a.s]=0;a.b[a.s]=0;a.d[a.s]=null;a.w[a.s]=0}function vx(a){var b,c;++a.t;a.t>a.r.length-1&&(b=a.r.length+10,c=x(D,o,-1,b,1),Bw(a.G,c,a.G.length),a.G=c,c=x(D,o,-1,b,1),Bw(a.H,c,a.H.length),a.H=c,c=x(D,o,-1,b,1),Bw(a.r,c,a.r.length),a.r=c,c=x(D,o,-1,b,1),Bw(a.A,c,a.A.length),a.A=c,c=x(D,o,-1,b,1),Bw(a.J,c,a.J.length),a.J=c,c=x(D,o,-1,b,1),Bw(a.M,c,a.M.length),a.M=c,b=x(Pn,u,1,b,0),Bw(a.e,b,a.e.length),a.e=b);a.r[a.t]=1;a.A[a.t]=0;a.e[a.t]=null}
+function Py(a,b){var c,d,e,f,g,i,h;if(0==a.s)return j;i=b;79<b.length&&(i=b.substr(0,76)+"...");i+=(jy(),aa);i+="JME 2013.01 "+new Yw+"\n \n";i+=Oy(a.s,3)+Oy(a.t,3);i+="  0  0  0  0  0  0  0  0999 V2000\n";g=-1.7976931348623157E308;c=1.7976931348623157E308;for(e=1;e<=a.s;++e)a.L[e]>g&&(g=a.L[e]),a.I[e]<c&&(c=a.I[e]);for(e=1;e<=a.s;++e){i+=Yy(0.055999999999999994*(a.I[e]-c),10,4)+Yy(0.055999999999999994*(g-a.L[e]),10,4)+Yy(0,10,4);h=Cy(a,e);1==h.length?h+="  ":2==h.length?h+=k:3<h.length&&(h="Q  ");
+i+=k+h;d=0;0<a.z[e]&&4>a.z[e]?d=4-a.z[e]:0>a.z[e]&&-4<a.z[e]&&(d=4-a.z[e]);h=" 0"+Oy(d,3)+"  0  0  0  0  0  0  0";f=-1;for(d=1;d<=a.x;++d)if(a.p[d][0]==e){f=a.p[d][1];break}-1<f?h+=Oy(f,3):h+="  0";i+=h+"  0  0\n"}for(e=1;e<=a.t;++e)g=a.r[e],1==a.r[e]?g=1:Bz(a,e)&&(g=2),c=Oy(a.G[e],3)+Oy(a.H[e],3),d=0,1==a.r[e]&&1==a.A[e]?d=1:1==a.r[e]&&2==a.A[e]&&(d=6),1==a.r[e]&&3==a.A[e]&&(d=1,c=Oy(a.H[e],3)+Oy(a.G[e],3)),1==a.r[e]&&4==a.A[e]&&(d=6,c=Oy(a.H[e],3)+Oy(a.G[e],3)),i+=c+Oy(g,3)+Oy(d,3)+"  0  0  0\n";
+for(e=1;e<=a.s;++e)0!=a.z[e]&&(i+="M  CHG  1"+Oy(e,4)+Oy(a.z[e],4)+aa);return i+"M  END\n"}
+function Zy(a){var b,c,d,e,f,g,i,h,l,m,n,q,s,M,G,L,T,Qa,O,ia,Xa,vd,kn,ln,Lc,mn,Bg,af,Mc,bf;n=x(D,o,-1,a.s+10,1);q=x(D,o,-1,a.s+10,1);l=x(D,o,-1,a.s+1,1);m=x(D,o,-1,7,1);Lc=x(D,o,-1,a.s+1,1);M=x(Cz,u,-1,a.s+1,2);G=x(Cz,u,-1,a.t+1,2);vd=0;if(0==a.s)return j;cz(a,!0);ln=!0;for(h=1;h<=a.t;++h)if(9==a.r[h]){ln=!1;break}if(a.k.q&&ln){Dz(a);yx(a);Ez(a,G);Fz(a,M,G);var ub,Nc,pn,vb,kj,lj,Cg,Da,hz,wc,r,fa,mj,nj,qn,wd,sa,oj,pj,wb,qj;ub=x(D,o,-1,a.s+1,1);Nc=x(D,o,-1,a.s+1,1);Da=x(Gz,u,-1,a.s+1,3);var rn=a.s,
+rj,cf,sn,be,Dg,Oc,xd;Dg=x(Gz,u,-1,rn+2,3);Oc=x(D,o,-1,100,1);xd=5;be=0;Oc[0]=3;Dg[1]=Df;Dg[2]=Ef;sn=2;if(!(3>rn))for(;xd<Oc[be]*Oc[be];){cf=0;for(rj=!0;rj&&cf<=be&&xd>=Oc[cf]*Oc[cf];)0==xd%Oc[cf]?rj=!1:++cf;if(rj){Dg[++sn]=no(xd);if(sn>=rn)break;be<Oc.length-1&&(++be,Oc[be]=xd)}xd+=2}for(r=1;r<=a.s;++r){for(fa=pj=1;fa<=a.t;++fa)(a.G[fa]==r||a.H[fa]==r)&&(pj*=a.f[fa]);oj=a.c[r];18==oj&&(qj=a.n[r],lj=qj.charCodeAt(0)-65+1,Cg=0,1<qj.length&&(Cg=qj.charCodeAt(1)-97),0>lj&&(lj=0),0>Cg&&(Cg=0),oj=28*lj+
+Cg);wd=0;-2>a.z[r]?wd=1:-2==a.z[r]?wd=2:-1==a.z[r]?wd=3:1==a.z[r]?wd=4:2==a.z[r]?wd=5:2<a.z[r]&&(wd=6);wb=1;Da[r]=no(pj);wb*=126;Da[r]=io(Da[r],no(a.w[r]*wb));wb*=7;Da[r]=io(Da[r],no(wd*wb));wb*=7;Da[r]=io(Da[r],no(oj*wb));wb*=783;Da[r]=io(Da[r],no(a.y[r]*wb))}for(kj=0;!yz(a,ub,Da);){qn=!1;for(r=1;r<=a.s;++r)ub[r]!=Nc[r]&&(Nc[r]=ub[r],qn=!0);if(qn){for(r=1;r<=a.s;++r){Da[r]=Cf;for(fa=1;fa<=a.y[r];++fa)Da[r]=ro(Da[r],Dg[ub[a.F[r][fa]]])}kj=0}else if(0<kj){for(r=1;r<=a.s;++r)Da[r]=Cf;r=1;a:for(;r<=
+a.s-1;++r)for(fa=r+1;fa<=a.s;++fa)if(ub[r]==ub[fa]){Da[r]=Df;break a}}else{for(r=1;r<=a.s;++r){Da[r]=Cf;for(fa=1;fa<=a.y[r];++fa)pn=a.F[r][fa],Da[r]=ro(Da[r],no(a.c[pn]*a.f[uz(a,r,pn)]))}kj=1}yz(a,ub,Da);for(r=1;r<=a.s;++r)Da[r]=no(Nc[r]*a.s+ub[r])}for(r=1;r<=a.s;++r)Nc[r]=ub[r];for(sa=1;sa<=a.s;++sa)for(r=1;r<=a.s;++r)if(Nc[r]==sa){a.c[0]=a.c[r];a.z[0]=a.z[r];a.I[0]=a.I[r];a.L[0]=a.L[r];a.y[0]=a.y[r];a.c[r]=a.c[sa];a.z[r]=a.z[sa];a.I[r]=a.I[sa];a.L[r]=a.L[sa];a.y[r]=a.y[sa];a.c[sa]=a.c[0];a.z[sa]=
+a.z[0];a.I[sa]=a.I[0];a.L[sa]=a.L[0];a.y[sa]=a.y[0];Nc[r]=Nc[sa];Nc[sa]=sa;a.n[0]=a.n[r];a.n[r]=a.n[sa];a.n[sa]=a.n[0];a.b[0]=a.b[r];a.b[r]=a.b[sa];a.b[sa]=a.b[0];a.d[0]=a.d[r];a.d[r]=a.d[sa];a.d[sa]=a.d[0];a.w[0]=a.w[r];a.w[r]=a.w[sa];a.w[sa]=a.w[0];break}for(r=1;r<=a.x;++r)a.p[r][0]=ub[a.p[r][0]];for(r=1;r<=a.t;++r)a.G[r]=ub[a.G[r]],a.H[r]=ub[a.H[r]],a.G[r]>a.H[r]&&(wc=a.G[r],a.G[r]=a.H[r],a.H[r]=wc,1==a.A[r]?a.A[r]=3:2==a.A[r]?a.A[r]=4:3==a.A[r]?a.A[r]=1:4==a.A[r]&&(a.A[r]=2));for(r=1;r<a.t;++r){nj=
+mj=a.s;vb=0;for(fa=r;fa<=a.t;++fa)a.G[fa]<mj?(mj=a.G[fa],nj=a.H[fa],vb=fa):a.G[fa]==mj&&a.H[fa]<nj&&(nj=a.H[fa],vb=fa);wc=a.G[r];a.G[r]=a.G[vb];a.G[vb]=wc;wc=a.H[r];a.H[r]=a.H[vb];a.H[vb]=wc;wc=a.r[r];a.r[r]=a.r[vb];a.r[vb]=wc;wc=a.A[r];a.A[r]=a.A[vb];a.A[vb]=wc;hz=a.e[r];a.e[r]=a.e[vb];a.e[vb]=hz}Rv(a);xx(a);Ez(a,G);Fz(a,M,G)}else{Ez(a,G);a.f=x(D,o,-1,a.t+1,1);for(s=1;s<=a.t;++s)a.f[s]=a.r[s]}c=1;a.a=x(D,o,-1,a.s+1,1);bf=1;a.a[1]=1;for(ia=0;;){Xa=0;for(s=1;s<=a.y[c];++s)if(g=a.F[c][s],0<a.a[g]){if(!(a.a[g]>
+a.a[c])&&g!=Lc[c]){kn=!0;for(T=1;T<=vd;++T)if(n[T]==c&&q[T]==g||n[T]==g&&q[T]==c){kn=!1;break}kn&&(++vd,n[vd]=c,q[vd]=g)}}else m[++Xa]=g;if(0==Xa){if(bf==a.s)break;c=l[ia--]}else if(1==Xa)Lc[m[1]]=c,c=m[1],a.a[c]=++bf;else{l[++ia]=c;e=0;for(s=1;s<=Xa;++s)if(h=uz(a,m[s],c),!G[h]){e=m[s];break}if(0==e)for(s=1;s<=Xa;++s)if(h=uz(a,m[s],c),2==a.f[h]||3==a.f[h]){e=m[s];break}0==e&&(e=m[1]);Lc[e]=c;c=e;a.a[e]=++bf}}Lc=x(D,o,-1,a.s+1,1);b=x(D,o,-1,a.s+1,1);Qa=x(Cz,u,-1,a.s+1,2);mn=x(Cz,u,-1,a.s+1,2);f=bf=
+ia=0;for(s=1;s<=a.s;++s)if(1==a.a[s]){c=s;break}a:for(;;){0<f&&(Lc[c]=f);b[++bf]=c;for(a.a[c]=0;;){Xa=e=0;O=a.s+1;s=1;b:for(;s<=a.y[c];++s){g=a.F[c][s];for(L=1;L<=vd;++L)if(n[L]==g&&q[L]==c||n[L]==c&&q[L]==g)continue b;0<a.a[g]&&(++Xa,a.a[g]<O&&(e=g,O=a.a[g]))}if(0==e){if(0==ia)break a;mn[c]=!0;c=l[ia--]}else break}f=c;c=e;1<Xa&&(l[++ia]=f,Qa[e]=!0)}Bg=x(D,o,-1,a.t+1,1);af=x(D,o,-1,a.s+1,1);if(a.k.qb){var jz=Lc,oA=vd,tn,kz,df,Pc,un,vn,qa,Eg,wn;df=x(D,o,-1,a.s+1,1);for(qa=1;qa<=a.s;++qa)df[b[qa]]=
+qa;un=x(Cz,u,-1,a.t+1,2);for(qa=1;qa<=a.s;++qa)tn=b[qa],kz=jz[tn],Pc=uz(a,tn,kz),0!=Pc&&(Hz(a,Pc,df,Bg,G),un[Pc]=!0);for(qa=1;qa<=a.t;++qa)un[qa]||Hz(a,qa,df,Bg,G);qa=1;a:for(;qa<=a.s;++qa)if(!(2>a.y[qa]||4<a.y[qa])){vn=wn=0;for(Eg=1;Eg<=a.y[qa];++Eg){Pc=uz(a,qa,a.F[qa][Eg]);if(5==a.f[Pc])continue a;1==a.r[Pc]&&0!=Iz(a,Pc,qa)&&++wn;2==a.r[Pc]&&(vn=a.F[qa][Eg])}if(0!=wn)if(0<vn){var Y=a,mz=qa,yd=df,Ib=af,hb=void 0,Fg=void 0,xb=void 0,Qc=void 0,yb=void 0,sj=void 0,tj=void 0,uj=void 0,xc=void 0,Jb=void 0,
+Kb=void 0,xn=void 0,Gg=void 0,yc=void 0,Hg=void 0,Rc=void 0,Ig=void 0,yn=void 0,Jg=void 0,Sc=void 0,nz=void 0,zd=void 0,oz=void 0,zn=void 0,Kg=void 0,Ad=void 0,Kb=1,Fg=mz,hb=x(D,o,-1,Y.s+1,1);for(hb[1]=mz;;){xn=!1;for(Jb=1;Jb<=Y.y[Fg];++Jb)if(xb=Y.F[Fg][Jb],!(xb==hb[1]||xb==hb[Kb-1]))if(Qc=uz(Y,Fg,xb),2==Y.r[Qc]&&5!=Y.f[Qc]){Fg=hb[++Kb]=xb;xn=!0;break}if(!xn)break}if(!(0==Kb%2||2>Y.y[hb[Kb]]||3<Y.y[hb[Kb]])){Ad=hb[1];yb=hb[~~((Kb+1)/2)];xc=hb[Kb];zd=Sc=Rc=yc=0;zn=yn=!1;for(Jb=1;Jb<=Y.y[Ad];++Jb)xb=
+Y.F[Ad][Jb],Qc=uz(Y,Ad,xb),1!=Y.r[Qc]||5==Y.f[Qc]||(0==yc?yc=xb:Rc=xb);0<yd[Rc]&&yd[yc]>yd[Rc]&&(sj=yc,yc=Rc,Rc=sj);Gg=yc;0==yc&&(Gg=Rc,yn=!0);for(Jb=1;Jb<=Y.y[xc];++Jb)xb=Y.F[xc][Jb],Qc=uz(Y,xc,xb),1!=Y.r[Qc]||5==Y.f[Qc]||(0==Sc?Sc=xb:zd=xb);0<yd[zd]&&yd[Sc]>yd[zd]&&(sj=Sc,Sc=zd,zd=sj);Jg=Sc;0==Sc&&(Jg=zd,zn=!0);Hg=Iz(Y,uz(Y,Ad,yc),Ad);Ig=Iz(Y,uz(Y,Ad,Rc),Ad);nz=Iz(Y,uz(Y,xc,Sc),xc);oz=Iz(Y,uz(Y,xc,zd),xc);1<(0>Hg+Ig?-(Hg+Ig):Hg+Ig)||0!=nz||0!=oz?E(Y.k,"Bad stereoinfo on allene !"):(tj=Y.I[hb[Kb-
+1]]-Y.I[xc],uj=Y.L[hb[Kb-1]]-Y.L[xc],Kg=Math.sqrt(tj*tj+uj*uj),0.001>Kg&&(Kg=0.001),0<(Y.L[Jg]-Y.L[hb[Kb-1]])*(tj/Kg)-(Y.I[Jg]-Y.I[hb[Kb-1]])*(uj/Kg)?Ib[yb]=1:Ib[yb]=-1,yn&&(Ib[yb]*=-1),zn&&(Ib[yb]*=-1),Gg==yc&&0>Hg&&(Ib[yb]*=-1),Gg==Rc&&0>Ig&&(Ib[yb]*=-1),yd[Gg]>yd[Jg]&&(Ib[yb]*=-1))}}else b:{var La=a,wa=qa,An=jz,pz=df,qz=n,rz=q,pA=oA,vj=af,wj=void 0,Lb=void 0,Bn=void 0,ef=void 0,ja=void 0,ff=void 0,cc=void 0,Lg=void 0,zc=void 0,Ya=void 0,X=void 0,W=void 0,Tc=void 0,xj=void 0,Mb=void 0,y=void 0,
+yj=void 0,W=x(D,o,-1,4,1),xj=x(D,o,-1,4,1),Mg=void 0,Nb=void 0,zj=void 0,Aj=void 0,Cn=void 0,Ng=void 0,Ng=-1;0<An[wa]&&(W[++Ng]=An[wa]);for(Nb=1;Nb<=pA;++Nb)qz[Nb]==wa&&(W[++Ng]=rz[Nb]),rz[Nb]==wa&&(W[++Ng]=qz[Nb]);for(Nb=Ng+1;Nb<La.y[wa];++Nb){Cn=La.s+1;zj=1;c:for(;zj<=La.y[wa];++zj){Mg=La.F[wa][zj];for(Aj=0;Aj<Nb;++Aj)if(Mg==W[Aj])continue c;pz[Mg]<Cn&&(Cn=pz[Mg],W[Nb]=Mg)}}0==An[wa]&&0<La.w[wa]?(W[3]=W[2],W[2]=W[1],W[1]=W[0],W[0]=-1):0<La.w[wa]&&(W[3]=W[2],W[2]=W[1],W[1]=-1);for(ja=Lg=ff=ef=yj=
+cc=Ya=0;4>ja;++ja)0>=W[ja]||(wj=uz(La,wa,W[ja]),xj[ja]=Iz(La,wj,wa),0<xj[ja]?(++Ya,yj=W[ja],ff=W[ja]):0>xj[ja]?(++cc,ef=W[ja],ff=W[ja]):Lg=W[ja]);zc=Ya+cc;y=x(D,o,-1,4,1);Mb=0;if(3==La.y[wa]){if(1==Ya&&1==cc||3==zc&&0<Ya&&0<cc){E(La.k,"Error in C3H stereospecification !");break b}Tc=W[0];1==zc?Tc=ff:2==zc&&(Tc=Lg);X=sz(La,wa,Tc,W);y[0]=ff;y[1]=-1;y[2]=X[2];y[3]=X[1];0<Ya?Mb=1:Mb=-1}else if(4==La.y[wa])if(1==zc)X=sz(La,wa,ff,W),y[0]=X[0],y[1]=X[3],y[2]=X[2],y[3]=X[1],0<Ya?Mb=1:Mb=-1;else{Tc=W[0];1<
+Lg&&(Tc=Lg);1==Ya?Tc=yj:1==cc&&(Tc=ef);X=sz(La,wa,Tc,W);Lb=x(D,o,-1,4,1);for(ja=0;4>ja;++ja)wj=uz(La,wa,X[ja]),Lb[ja]=Iz(La,wj,wa);if(4==zc){if(0==Ya||0==cc){E(La.k,"Error in C4 stereospecification !");break b}if(1==Ya||1==cc)y[0]=X[0],y[1]=X[3],y[2]=X[2],y[3]=X[1],Mb=Lb[0];else{for(ja=0;4>ja;++ja)-1==Lb[ja]&&(Lb[ja]=0);zc=2}}else if(3==zc)if(3==Ya||3==cc)y[0]=X[0],y[1]=X[3],y[2]=X[2],y[3]=X[1],0<Ya?Mb=-1:Mb=1;else{1==Ya?Ya=Bn=1:cc=Bn=-1;for(ja=0;4>ja;++ja)Lb[ja]==Bn&&(Lb[ja]=0);zc=2}if(2==zc)if(1==
+Ya&&1==cc)X[1]==ef?(X[1]=X[2],X[2]=X[3]):X[2]==ef&&(X[2]=X[3]),y[0]=yj,y[1]=ef,y[2]=X[2],y[3]=X[1],Mb=1;else{if(Lb[0]==Lb[1]||Lb[1]==Lb[2]){E(La.k,"Error in C4 stereospecification ! 2/0r");break b}0!=Lb[0]?(y[0]=X[0],y[1]=X[2],y[2]=X[1],y[3]=X[3]):(y[0]=X[1],y[1]=X[3],y[2]=X[2],y[3]=X[0]);1<Ya?Mb=1:Mb=-1}}var Ha=void 0;W[0]==y[1]?(Ha=y[0],y[0]=y[1],y[1]=Ha,Ha=y[2],y[2]=y[3],y[3]=Ha):W[0]==y[2]?(Ha=y[2],y[2]=y[0],y[0]=Ha,Ha=y[1],y[1]=y[3],y[3]=Ha):W[0]==y[3]&&(Ha=y[3],y[3]=y[0],y[0]=Ha,Ha=y[1],y[1]=
+y[2],y[2]=Ha);W[1]==y[2]?(Ha=y[1],y[1]=y[2],y[2]=Ha,Ha=y[2],y[2]=y[3],y[3]=Ha):W[1]==y[3]&&(Ha=y[1],y[1]=y[3],y[3]=Ha,Ha=y[2],y[2]=y[3],y[3]=Ha);y[2]==W[2]?vj[wa]=1:y[2]==W[3]?vj[wa]=-1:E(La.k,"Error in stereoprocessing ! - t30");vj[wa]*=Mb}}}Mc=new Aw;i=x(D,o,-1,a.s+1,1);for(s=1;s<=a.s;++s)i[b[s]]=s;for(s=1;s<=a.s;++s){c=b[s];Qa[c]&&Nj(Mc.a,ta);0<Lc[s]&&Jz(a,c,Lc[c],Mc,Bg);var gf=M[c],Sa=void 0,Og=void 0,hf=void 0,N=void 0,N=gc,Sa=!1;0!=a.z[c]&&(Sa=!0);0!=af[c]&&(Sa=!0);hf=-1;for(Og=1;Og<=a.x;++Og)if(a.p[Og][0]==
+c){hf=a.p[Og][1];break}-1<hf&&(Sa=!0);a.k.pb&&0<a.b[c]&&(Sa=!0,hf=1);switch(a.c[c]){case 2:N=bb;break;case 3:gf?N="c":N=eb;break;case 4:gf?(N="n",0<a.w[c]&&(Sa=!0)):N=Cb;break;case 5:gf?N="o":N=Hb;break;case 7:gf?(N="p",0<a.w[c]&&(Sa=!0)):N=Pb;break;case 8:gf?N="s":N=Yb;break;case 13:gf?N="se":N=$b;Sa=!0;break;case 6:N=ac;Sa=!0;break;case 9:N=pb;break;case 10:N=jb;break;case 11:N=db;break;case 12:N=zb;break;case 1:N=sb;Sa=!0;break;case 19:N=Qb;Sa=!0;break;case 20:N=Rb;Sa=!0;break;case 21:N=Sb;Sa=
+!0;break;case 22:N=Tb;Sa=!0;break;case 18:Sa=!0,N=a.n[c],(C(N,va)||C(N,kc)||C(N,Wa))&&(Sa=!1)}Sa&&(N=hc+N,1==af[c]?N+=Va:-1==af[c]&&(N+="@@"),1==a.w[c]?N+=sb:1<a.w[c]&&(N+=sb+a.w[c]),0!=a.z[c]&&(0<a.z[c]?N+=xa:N+=Aa,1<(0>a.z[c]?-a.z[c]:a.z[c])&&(N+=0>a.z[c]?-a.z[c]:a.z[c])),-1<hf&&(N+=Na+hf),N+=jc);Nj(Mc.a,N);for(L=1;L<=vd;++L)if(n[L]==c||q[L]==c)d=q[L],d==c&&(d=n[L]),i[c]<i[d]&&Jz(a,n[L],q[L],Mc,Bg),9<L&&Nj(Mc.a,"%"),Oj(Mc,j+(new R(L)).a);mn[c]&&Nj(Mc.a,ua)}return sk(Mc.a)}
+function px(a,b){var c,d,e,f;f=0;for(e=1;e<=a.t;++e)c=a.G[e],d=a.H[e],c!=b&&d!=b&&(++f,a.G[f]=c,c>b&&--a.G[f],a.H[f]=d,d>b&&--a.H[f],a.r[f]=a.r[e],a.A[f]=a.A[e],a.J[f]=a.J[e],a.M[f]=a.M[e],a.e[f]=a.e[e]);a.t=f;for(e=b;e<a.s;++e){a.c[e]=a.c[e+1];a.z[e]=a.z[e+1];a.I[e]=a.I[e+1];a.L[e]=a.L[e+1];a.w[e]=a.w[e+1];a.b[e]=a.b[e+1];a.d[e]=a.d[e+1];a.y[e]=a.y[e+1];a.n[e]=a.n[e+1];for(f=1;f<=a.y[e];++f)a.F[e][f]=a.F[e+1][f]}--a.s;if(0==a.s)sy(a.k);else{for(e=1;e<=a.s;++e){d=0;for(f=1;f<=a.y[e];++f)c=a.F[e][f],
+c==b?++a.w[e]:(c>b&&--c,a.F[e][++d]=c);a.y[e]=d}e=1;a:for(;e<=a.x;++e)if(a.p[e][0]==b){for(f=e;f<a.x;++f)a.p[f][0]=a.p[f+1][0],a.p[f][1]=a.p[f+1][1];--a.x;break a}for(e=1;e<=a.x;++e)a.p[e][0]>b&&--a.p[e][0]}}
+function qx(a,b){var c,d,e,f;c=a.G[b];d=a.H[b];for(e=b;e<a.t;++e)a.G[e]=a.G[e+1],a.H[e]=a.H[e+1],a.r[e]=a.r[e+1],a.A[e]=a.A[e+1],a.J[e]=a.J[e+1],a.M[e]=a.M[e+1],a.e[e]=a.e[e+1];--a.t;f=0;for(e=1;e<=a.y[c];++e)a.F[c][e]!=d&&(a.F[c][++f]=a.F[c][e]);a.y[c]=f;f=0;for(e=1;e<=a.y[d];++e)a.F[d][e]!=c&&(a.F[d][++f]=a.F[d][e]);a.y[d]=f;c<d&&(f=c,c=d,d=f);0==a.y[c]&&px(a,c);0==a.y[d]&&px(a,d)}
+function Dz(a){var b,c,d;if(!a.k.D){c=a.s;a:for(;1<=c;--c)if(d=a.F[c][1],1==a.c[c]&&1==a.y[c]&&0==a.z[c]&&1!=a.c[d]&&18>a.c[d]){for(b=1;b<=a.x;++b)if(a.p[b][0]==c)continue a;b=uz(a,c,d);1==a.r[b]&&(0==a.A[b]||!a.k.qb)&&px(a,c)}}}function Az(a){var b;b=a.c.length;a.F=En([b,7]);a.y=x(D,o,-1,b,1);for(b=1;b<=a.s;++b)a.y[b]=0;for(b=1;b<=a.t;++b)6>a.y[a.G[b]]&&(a.F[a.G[b]][++a.y[a.G[b]]]=a.H[b]),6>a.y[a.H[b]]&&(a.F[a.H[b]][++a.y[a.H[b]]]=a.G[b])}
+function Fz(a,b,c){var d,e,f,g,i,h,l,m,n;a.f=x(D,o,-1,a.t+1,1);n=x(Cz,u,-1,a.s+1,2);for(h=1;h<=a.s;++h){n[h]=!1;b[h]=!1;a:{d=void 0;for(d=1;d<=a.y[h];++d)if(c[uz(a,h,a.F[h][d])]){d=!0;break a}d=!1}if(d&&!(3<a.y[h]+a.w[h]))switch(a.c[h]){case 3:case 4:case 7:case 5:case 8:case 13:n[h]=!0;break;case 18:n[h]=!0}}for(i=1;i<=a.t;++i)1==a.r[i]?a.f[i]=1:Bz(a,i)?a.f[i]=2:3==a.r[i]&&(a.f[i]=3);i=1;a:for(;i<=a.t;++i)if(c[i]&&(f=a.G[i],g=a.H[i],n[f]&&n[g])){d=x(Cz,u,-1,a.s+1,2);for(h=1;h<=a.y[f];++h)e=a.F[f][h],
+e!=g&&n[e]&&(d[e]=!0);for(m=!1;;){for(h=1;h<=a.s;++h){m=!1;if(d[h]&&n[h]&&h!=f)for(l=1;l<=a.y[h];++l){e=a.F[h][l];if(e==g){b[f]=!0;b[g]=!0;a.f[i]=5;continue a}!d[e]&&n[e]&&(m=d[e]=!0)}if(m)break}if(!m)break}}}function wx(a){var b,c,d;for(d=1;d<=a.t;++d)b=a.G[d],c=a.H[d],a.J[d]=I(H(uw((a.I[b]+a.I[c])/2))),a.M[d]=I(H(uw((a.L[b]+a.L[c])/2)))}function Ez(a,b){var c;for(c=1;c<=a.t;++c)Dy(a,a.G[c],a.H[c])?b[c]=!1:b[c]=!0}function Cy(a,b){var c;c=(jy(),Jv)[a.c[b]];18==a.c[b]&&(c=a.n[b]);return c}
+function Bz(a,b){return 2==a.r[b]?!0:!1}function Dy(a,b,c){var d,e,f,g;g=1;a.a=x(D,o,-1,a.s+1,1);for(d=1;d<=a.s;++d)a.a[d]=0;for(d=a.a[b]=1;d<=a.y[b];++d)a.F[b][d]!=c&&(a.a[a.F[b][d]]=++g);for(f=!1;;){for(d=1;d<=a.s;++d){f=!1;if(0<a.a[d]&&d!=b)for(e=1;e<=a.y[d];++e)0==a.a[a.F[d][e]]&&(a.a[a.F[d][e]]=++g,f=!0);if(f)break}if(!f)break}return 0==a.a[c]}
+function Uy(a){var b,c;a.k.G=!0;if(a.k.pb)a.j=-1,0==a.b[a.C]?a.b[a.C]=4:a.b[a.C]=0;else{for(b=1;b<=a.x;++b)if(a.C==a.p[b][0]){if(-1==a.k.t){for(;b<a.x;++b)a.p[b][0]=a.p[b+1][0],a.p[b][1]=a.p[b+1][1];--a.x}else c=a.k.t,a.k.p&&(a.k.U||++a.q,c=a.q),a.p[b][1]=c;return}b=a.p.length;++a.x>b-1&&(b=En([b+5,2]),Bw(a.p,b,a.p.length),a.p=b);a.p[a.x][0]=a.C;c=a.k.t;a.k.p&&(a.k.U||++a.q,c=a.q);a.p[a.x][1]=c}}function Hv(a){var b;a.x=0;a.q=0;Zy(a);for(b=1;b<=a.s;++b)a.C=b,Uy(a);a.C=0}
+function Ly(a){var b,c;b=x(sx,u,-1,4,1);tx(a,b);c=a.k.x.b;a.k.u||(c-=a.k.N);return b[0]<~~(c/2)-24?1:b[0]>~~(c/2)+24?3:2}function ty(a){a.k.nb=new py(a);Rv(a.k.nb);a.k.jb=a.k.d}function Xy(a){var b,c,d,e,f;e=f=0;for(d=1;d<=a.t;++d)b=a.I[a.G[d]]-a.I[a.H[d]],c=a.L[a.G[d]]-a.L[a.H[d]],f+=Math.sqrt(b*b+c*c);0<a.t?(f/=a.t,e=25/f):1<a.s&&(e=75/Math.sqrt((a.I[1]-a.I[2])*(a.I[1]-a.I[2])+(a.L[1]-a.L[2])*(a.L[1]-a.L[2])));for(d=1;d<=a.s;++d)a.I[d]*=e,a.L[d]*=e}
+function Ny(a,b,c){var d,e,f,g,i;if(0==c.indexOf(hc)&&vw(c,jc))c=c.substr(1,c.length-1-1),a.c[b]=18,a.n[b]=c,a.w[b]=0;else{f=!1;-1<c.indexOf(ya)&&(f=!0);-1<c.indexOf(";")&&(f=!0);-1<c.indexOf(pa)&&(f=!0);-1<c.indexOf("!")&&(f=!0);d=c.indexOf(Na);e=c.indexOf(sb);g=Yg(c.indexOf(xa),c.indexOf(Aa));if(-1<d){i=zp(c,d+1);try{a.k.t=Gv(i,10)}catch(h){if(h=lk(h),B(h,52))a.k.t=0;else throw h;}a.C=b;Uy(a);c=c.substr(0,d-0);a.C=0}if(f)a.n[b]=c,a.c[b]=18,a.w[b]=0;else{d=c;0<e?d=c.substr(0,e-0):0<g&&(d=c.substr(0,
+g-0));a.c[b]=C(d,eb)?3:C(d,bb)?2:C(d,Cb)?4:C(d,Hb)?5:C(d,Pb)?7:C(d,Yb)?8:C(d,pb)?9:C(d,jb)?10:C(d,db)?11:C(d,zb)?12:C(d,sb)?1:C(d,$b)?13:C(d,ac)?6:C(d,Qb)?19:C(d,Rb)?20:C(d,Sb)?21:C(d,Tb)?22:18;18==a.c[b]&&(a.n[b]=d);c+=k;d=0;0<e&&(d=1,e=bw(c,++e),48<=e&&57>=e&&(d=e-48));18==a.c[b]&&(a.w[b]=d);d=0;if(0<g&&(e=bw(c,g++),43==e?d=1:45==e&&(d=-1),0!=d&&(e=bw(c,g++),!(48<=e&&57>=e)))){for(;43==e;)++d,e=bw(c,g++);for(;45==e;)--d,e=bw(c,g++)}a.z[b]=d}}}
+function Lv(a,b,c){var d,e;a.j=1;c&&(a.j=-1);b=new wv(b);try{for(;b.j=pv(b,b.a),b.j<b.i;)d=qw(Gv(sv(b),10)).a,c=e=qw(Gv(sv(b),10)).a,(0>c||6<c)&&(c=0),a.b[d]=c}catch(f){if(f=lk(f),B(f,52))Lj(f);else throw f;}}function Jz(a,b,c,d,e){b=uz(a,b,c);5!=a.f[b]&&Bz(a,b)?Nj(d.a,Ra):3==a.r[b]?Nj(d.a,pa):9==a.r[b]?(e=Ua,a=a.e[b],null!=a&&(e=a),Nj(d.a,e)):1==e[b]?Nj(d.a,"/"):-1==e[b]&&Nj(d.a,ic)}
+function Vy(a,b){var c,d;if(1==a.r[b])if(c=a.G[b],d=a.H[b],2>a.y[c]&&2>a.y[d])a.A[b]=0,E(a.k,"Stereomarking meaningless on this bond !");else switch(a.A[b]){case 0:a.y[d]<=a.y[c]?a.A[b]=1:a.A[b]=3;break;case 1:a.A[b]=2;break;case 2:2<a.y[d]?a.A[b]=3:a.A[b]=1;break;case 3:a.A[b]=4;break;case 4:2<a.y[c]?a.A[b]=1:a.A[b]=3}else 2==a.r[b]?10==a.A[b]?a.A[b]=0:a.A[b]=10:E(a.k,"Stereomarking allowed only on single and double bonds!")}
+function Hz(a,b,c,d,e){var f,g,i,h,l,m,n,q,s;if(!(2!=a.r[b]||5==a.f[b])&&(10==a.A[b]||a.k.o&&!e[b]))if(e=a.G[b],f=a.H[b],!(2>a.y[e]||2>a.y[f]||3<a.y[e]||3<a.y[f])){c[e]>c[f]&&(g=e,e=f,f=g);n=m=b=0;q=!1;for(l=1;l<=a.y[e];++l)g=a.F[e][l],g!=f&&(0==m?m=g:n=g);0<n&&c[m]>c[n]&&(g=m,m=n,n=g);h=uz(a,e,m);0!=d[h]?b=m:1==a.r[h]&&5!=a.f[h]&&(b=m);0==b&&(h=uz(a,e,n),0!=d[h]?b=n:1==a.r[h]&&5!=a.f[h]&&(b=n));c[b]>c[e]&&(q=!0);i=n=m=0;for(l=1;l<=a.y[f];++l)g=a.F[f][l],g!=e&&(0==n?n=g:i=g);0<i&&c[n]<c[i]&&(g=n,
+n=i,i=g);h=uz(a,f,n);1==a.r[h]&&5!=a.f[h]&&0==d[h]&&(m=n);0==m&&(h=uz(a,f,i),1==a.r[h]&&5!=a.f[h]&&(m=i));if(!(0==b||0==m))if(h=a.I[f]-a.I[e],g=a.L[f]-a.L[e],l=Math.sqrt(h*h+g*g),0.001>l&&(l=0.001),g/=l,h/=l,n=(a.L[b]-a.L[e])*h-(a.I[b]-a.I[e])*g,s=(a.L[m]-a.L[e])*h-(a.I[m]-a.I[e])*g,2>(0>=n?0-n:n)||2>(0>=s?0-s:s))E(a.k,"Not unique E/Z geometry !");else{i=uz(a,b,e);f=uz(a,m,f);m=1;if(0==d[i]){for(l=1;l<=a.y[b];++l)if(g=a.F[b][l],g!=e&&(h=uz(a,b,g),0!=d[h])){c[g]>c[b]?m=-d[h]:m=d[h];break}d[i]=m}0==
+d[f]&&(0<n&&0<s||0>n&&0>s?d[f]=-d[i]:d[f]=d[i],q&&(d[f]=-d[f]))}}}function zz(a,b){var c,d,e;e=0;for(d=1;d<=a.y[b];++d)if(c=uz(a,b,a.F[b][d]),1==a.r[c])e+=1;else if(Bz(a,c))e+=2;else if(3==a.r[c])e+=3;else if(9==a.r[c])return-1;return e}function Iz(a,b,c){var d;d=a.A[b];return 1>d||4<d?0:1==d&&a.G[b]==c?1:2==d&&a.G[b]==c?-1:3==d&&a.H[b]==c?1:4==d&&a.H[b]==c?-1:0}
+function xx(a){var b;for(b=1;b<=a.s;++b){var c=a,d=b,e=void 0,e=zz(c,d);if(-1==e)c.w[d]=0;else{switch(c.c[d]){case 1:2==e?c.z[d]=1:c.z[d]=0;c.w[d]=0;break;case 2:3==e||5==e?(c.w[d]=0,c.z[d]=0):3>e?c.w[d]=3-e-c.z[d]:4==e?(c.z[d]=-1,c.w[d]=0):5<e&&(c.z[d]=e-5,c.w[d]=0);break;case 3:case 6:4>e?0<c.z[d]?c.w[d]=2-e+c.z[d]:0>c.z[d]?c.w[d]=2-e-c.z[d]:c.w[d]=4-e:(c.z[d]=e-4,c.w[d]=4-e+c.z[d]);break;case 4:case 7:3>e?c.w[d]=3-e+c.z[d]:3==e?0>c.z[d]?(c.z[d]=0,c.w[d]=0):0<c.z[d]?c.w[d]=c.z[d]:c.w[d]=0:(c.z[d]=
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+function Vv(){var a,b,c,d=RegExp("\\.",ld);a=[];b=0;c="JavaScriptApplet.JSME";for(var e=null;;){var f=d.exec(c);if(null==f||c==j){a[b]=c;break}else a[b]=c.substring(0,f.index),c=c.substring(f.index+f[0].length,c.length),d.lastIndex=0,e==c&&(a[b]=c.substring(0,1),c=c.substring(1)),e=c,b++}for(d=a.length;0<d&&a[d-1]==j;)--d;d<a.length&&a.splice(d,a.length-d);d=x(Pn,u,1,a.length,0);for(b=0;b<a.length;++b)d[b]=a[b];c=$wnd;a=0;for(b=d.length-1;a<b;++a)C(d[a],"client")||(c[d[a]]||(c[d[a]]={}),c=null!=c?
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+function Ug(a){return function(){try{var b;var c=arguments,d;var e;0!=dk&&(e=kg(),2E3<e-fk&&(fk=e,ek=ck()));if(0==dk++){var f=(gk(),hk),g,i;if(f.a){i=null;do g=f.a,f.a=null,i=kk(g,i);while(f.a);f.a=i}d=!0}else d=!1;try{b=a.apply(this,c)}finally{if(c=d){var h=(gk(),hk),l,m;if(h.b){m=null;do l=h.b,h.b=null,m=kk(l,m);while(h.b);h.b=m}}--dk;c&&-1!=ek&&($wnd.clearTimeout(ek),ek=-1)}return b}catch(n){throw n;}}}
+function gwtOnLoad(a,b,c){$moduleName=b;$moduleBase=c;if(a)try{Ug(Nn)()}catch(d){a(b)}else Ug(Nn)()}var Xv=U(1),Zj=U(87),qA=kw(" I"),D=ew(463,qA),gu=ew(461,Xv),rA=kw(" Z"),Cz=ew(464,rA);U(86);U(85);U(84);var sA=U(373),Qj=ew(465,sA),tA=U(194),po=ew(466,tA);U(195);U(121);U(364);var uA=kw(" C"),cg=ew(467,uA);U(362);var vA=kw(" D"),sx=ew(468,vA);U(363);var wA=U(367),tw=ew(469,wA),xA=kw(" J"),yA=U(2),Pn=ew(462,yA);U(376);U(360);U(83);U(91);U(357);var Wv=U(356);U(359);U(96);U(81);U(93);U(370);U(365);U(456);
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+--></script></body></html>
\ No newline at end of file
diff --git a/common/static/js/capa/jsme/gwt/clean/clean.css b/common/static/js/capa/jsme/gwt/clean/clean.css
new file mode 100644
index 0000000000..aa02d5385d
--- /dev/null
+++ b/common/static/js/capa/jsme/gwt/clean/clean.css
@@ -0,0 +1,1264 @@
+/**
+ * The file contains styles for GWT widgets in the Clean theme.
+ *
+ * In order to maintain cross-browser compatibility, the following syntax is
+ * used to create IE6 specific style rules:
+ *    .gwt-Widget {
+ *      property: rule applies to all browsers
+ *      -property: rule applies only to IE6 (overrides previous rule)
+ *    }
+ *    * html .gwt-Widget {
+ *      property: rule applies to all versions of IE
+ *    }
+ */
+
+body, table td, select, button {
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-size: small;
+}
+pre {
+  font-family: "courier new", courier;
+  font-size: small;
+}
+body {
+  color: black;
+  margin: 10px;
+  border: 0px;
+  padding: 0px;
+  background: #fff;
+  direction: ltr;
+}
+a, a:visited {
+  color: #0066cc;
+  text-decoration:none;
+}
+
+a:hover {
+  color: #0066cc;
+  text-decoration:underline;
+}
+
+select {
+  background: white;
+}
+
+/**
+ * The reference theme can be used to determine when this style sheet has
+ * loaded.  Create a hidden div element with absolute position, assign the style
+ * name below, and attach it to the DOM.  Use a timer to detect when the
+ * element's height and width are set to 5px.
+ */
+.gwt-Reference-clean {
+  height: 5px;
+  width: 5px;
+  zoom: 1;
+}
+
+.gwt-Button {
+  margin: 0;
+  padding: 5px 7px;
+  text-decoration: none;
+  cursor: pointer;
+  cursor: hand;
+  font-size:small;
+  background: url("images/hborder.png") repeat-x 0px -2077px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  border-radius: 3px;
+ -moz-border-radius: 3px;
+}
+.gwt-Button:active {
+  border: 1px inset #ccc;
+}
+.gwt-Button:hover {
+  border-color: #939393;
+}
+.gwt-Button[disabled] {
+  cursor: default;
+  color: #888;
+}
+.gwt-Button[disabled]:hover {
+  border: 1px outset #ccc;
+}
+
+.gwt-CheckBox {
+}
+.gwt-CheckBox-disabled {
+  color: #888;
+}
+
+.gwt-DecoratorPanel {
+}
+.gwt-DecoratorPanel .topCenter {
+  border-top: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .bottomCenter {
+  border-bottom: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .topCenterInner,
+.gwt-DecoratorPanel .bottomCenterInner {
+  height: 1px;
+  line-height: 0px;
+  font-size: 1px;
+}
+.gwt-DecoratorPanel .middleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleLeftInner,
+.gwt-DecoratorPanel .middleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-DecoratorPanel .topLeftInner,
+.gwt-DecoratorPanel .topRightInner,
+.gwt-DecoratorPanel .bottomLeftInner,
+.gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+  font-size: 1px;
+  overflow: hidden;
+}
+.gwt-DecoratorPanel .topLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+}
+.gwt-DecoratorPanel .topRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+}
+.gwt-DecoratorPanel .bottomLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+}
+.gwt-DecoratorPanel .bottomRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+}
+* html .gwt-DecoratorPanel .topLeftInner,
+* html .gwt-DecoratorPanel .topRightInner,
+* html .gwt-DecoratorPanel .bottomLeftInner,
+* html .gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+
+.gwt-DialogBox .Caption {
+  background: #F1F1F1;
+  padding: 4px 8px 4px 4px;
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-weight: bold;
+  border-bottom: 1px solid #bbbbbb;
+  border-top: 1px solid #D2D2D2;
+}
+.gwt-DialogBox .dialogContent {
+}
+.gwt-DialogBox .dialogMiddleCenter {
+  padding: 3px;
+  background: white;
+}
+.gwt-DialogBox .dialogBottomCenter {
+  background: url(images/hborder.png) repeat-x 0px -2945px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2144px;
+}
+.gwt-DialogBox .dialogMiddleLeft {
+  background: url(images/vborder.png) repeat-y -31px 0px;
+}
+.gwt-DialogBox .dialogMiddleRight {
+  background: url(images/vborder.png) repeat-y -32px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -32px 0px;
+}
+.gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopLeft {
+  background: url(images/circles.png) no-repeat -20px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -20px 0px;
+}
+.gwt-DialogBox .dialogTopRight {
+  background: url(images/circles.png) no-repeat -28px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -28px 0px;
+}
+.gwt-DialogBox .dialogBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -36px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -36px;
+}
+.gwt-DialogBox .dialogBottomRight {
+  background: url(images/circles.png) no-repeat -8px -36px;
+  -background: url(images/circles_ie6.png) no-repeat -8px -36px;
+}
+* html .gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  overflow: hidden;
+}
+
+.gwt-DisclosurePanel {
+}
+.gwt-DisclosurePanel-open {
+}
+.gwt-DisclosurePanel-closed {
+}
+.gwt-DisclosurePanel .header,
+.gwt-DisclosurePanel .header a,
+.gwt-DisclosurePanel .header td {
+  text-decoration: none;  /* Remove underline from header */
+  color: black; 
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DisclosurePanel .content {
+  border-left: 3px solid #e7e7e7;
+  padding: 4px 0px 4px 8px;
+  margin-left: 6px;
+}
+
+.gwt-FileUpload {
+}
+
+.gwt-Frame {
+  border-top: 2px solid #666;
+  border-left: 2px solid #666;
+  border-right: 2px solid #bbb;
+  border-bottom: 2px solid #bbb;
+}
+
+.gwt-HorizontalSplitPanel {
+}
+.gwt-HorizontalSplitPanel .hsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+.gwt-VerticalSplitPanel {
+}
+.gwt-VerticalSplitPanel .vsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+
+.gwt-HTML {
+  padding: 0 0px;
+}
+
+.gwt-Hyperlink {
+  cursor: pointer;
+}
+
+.gwt-Image {
+}
+
+.gwt-Label {
+}
+
+.gwt-ListBox {
+}
+
+.gwt-MenuBar {
+  cursor: default;
+}
+.gwt-MenuBar .gwt-MenuItem {
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-MenuBar .gwt-MenuItem-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBar-horizontal {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border: 1px solid #e0e0e0;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItem {
+  padding: 5px 10px;
+  vertical-align: bottom;
+  color: #000;
+  font-weight: bold;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator {
+  width: 1px;
+  padding: 0px;
+  margin: 0px;
+  border: 0px;
+  border-left: 1px solid #ccc;
+  background: white;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator .menuSeparatorInner {
+  width: 1px;
+  height: 1px;
+  background: white; 
+}
+.gwt-MenuBar-vertical {
+  margin-top: 0px;
+  margin-left: 0px;
+  background: white;
+}
+.gwt-MenuBar-vertical table {
+  border-collapse: collapse;
+}
+.gwt-MenuBar-vertical .gwt-MenuItem {
+  padding: 2px 40px 2px 1px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator {
+  padding: 2px 0px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator .menuSeparatorInner {
+  height: 1px;
+  padding: 0px;
+  border: 0px;
+  border-top: 1px solid #ccc;
+  overflow: hidden;
+}
+.gwt-MenuBar-vertical .subMenuIcon {
+  padding-right: 4px;
+}
+.gwt-MenuBar-vertical .subMenuIcon-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBarPopup {
+  margin: 0px 0px 0px 3px;
+}
+.gwt-MenuBarPopup .menuPopupTopCenter {
+  background: url(images/hborder.png) 0px -12px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupBottomCenter {
+  background: url(images/hborder.png) 0px -13px repeat-x;
+  -background: url(images/hborder_ie6.png) 0px -13px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupMiddleLeft {
+  background: url(images/vborder.png) -12px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -12px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupMiddleRight {
+  background: url(images/vborder.png) -13px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -13px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopLeft {
+  background: url(images/corner.png) no-repeat 0px -36px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -36px;
+}
+.gwt-MenuBarPopup .menuPopupTopRight {
+  background: url(images/corner.png) no-repeat -5px -36px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -36px;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeft {
+  background: url(images/corner.png) no-repeat 0px -41px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -41px;
+}
+.gwt-MenuBarPopup .menuPopupBottomRight {
+  background: url(images/corner.png) no-repeat -5px -41px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -41px;
+}
+* html .gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  overflow: hidden;
+}
+
+.gwt-PasswordTextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-PasswordTextBox-readonly {
+  color: #888;
+}
+
+.gwt-PopupPanel {
+  border: 3px solid #e7e7e7;
+  padding: 3px;
+  background: white;
+}
+
+.gwt-DecoratedPopupPanel .popupContent {
+}
+.gwt-DecoratedPopupPanel .popupMiddleCenter {
+  padding: 3px;
+  background: #f1f1f1;
+}
+.gwt-DecoratedPopupPanel .popupTopCenter {
+  background: url(images/hborder.png) 0px -2937px repeat-x;
+}
+.gwt-DecoratedPopupPanel .popupBottomCenter {
+  background:  url(images/hborder.png) repeat-x 0px -2938px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2138px;
+}
+.gwt-DecoratedPopupPanel .popupMiddleLeft {
+  background: url(images/vborder.png) -21px 0px repeat-y;
+}
+.gwt-DecoratedPopupPanel .popupMiddleRight {
+  background: url(images/vborder.png) repeat-y -24px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -24px 0px;
+}
+.gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -16px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -16px;
+}
+.gwt-DecoratedPopupPanel .popupTopRight {
+  background: url(images/circles.png) no-repeat -6px -16px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -16px;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -21px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -21px;
+}
+.gwt-DecoratedPopupPanel .popupBottomRight {
+  background: url(images/circles.png) no-repeat -6px -21px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -21px;
+}
+* html .gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+
+.gwt-PopupPanelGlass {
+  background-color: #000;
+  opacity: 0.3;
+  filter: alpha(opacity=30);
+}
+
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled,
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  border-radius: 2px;
+  -moz-border-radius: 2px;
+}
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-PushButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  padding: 4px 4px 2px 6px;
+  outline:none;
+}
+.gwt-PushButton-down {
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-hovering {
+  border: 1px solid #939393;
+  border-top: 1px solid #333333;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-disabled {
+  border: 1px outset #ccc;
+  cursor: default;
+  opacity: 0.5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+
+.gwt-RadioButton {
+}
+.gwt-RadioButton-disabled {
+  color: #888;
+}
+
+.gwt-RichTextArea {
+}
+.hasRichTextToolbar {
+  border: 0px;
+}
+.gwt-RichTextToolbar {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border-bottom: 1px solid #BBBBBB;
+  padding: 3px;
+  margin: 0px;
+}
+.gwt-RichTextToolbar .gwt-PushButton-up {
+  padding: 0px 1px 0px 0px;
+  margin-right: 4px;
+  margin-bottom: 4px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-up-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+
+.gwt-StackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-DecoratedStackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft,
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  height: 6px;
+  width: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft {
+  border-left: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat 0px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat 0px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  border-right: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat -6px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat -6px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeftInner,
+.gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 1px;
+  height: 1px;
+}
+* html .gwt-DecoratedStackPanel .stackItemTopLeftInner,
+* html .gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+.gwt-DecoratedStackPanel .stackItemTopCenter {
+  background: url(images/hborder.png) 0px -21px repeat-x;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeft {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-left: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeftInner,
+.gwt-DecoratedStackPanel .stackItemMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleRight {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-right: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleCenter {
+  font-weight: bold;
+  font-size: 1.3em;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopRight,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopLeft {
+  border: 0px;
+  background-color: white;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopLeft,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopRight {
+  background-color: white;
+}
+
+.gwt-SuggestBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+
+.gwt-SuggestBoxPopup {
+}
+
+.gwt-SuggestBoxPopup .item {
+  padding: 2px 6px;
+  color: #000;
+  cursor: default;
+  font-size: 110%;
+}
+.gwt-SuggestBoxPopup .item-selected {
+  background: #D5E2FF;
+}
+.gwt-SuggestBoxPopup .suggestPopupContent {
+  background: white;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenter {
+  border-top: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomCenter {
+  border-bottom: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenterInner,
+.gwt-SuggestBoxPopup .suggestPopupBottomCenterInner {
+  height: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeftInner,
+.gwt-SuggestBoxPopup .suggestPopupMiddleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;  
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRight {
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRight {
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+  width:5px;
+  height:5px;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+
+.gwt-TabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-TabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-TabBar .gwt-TabBarRest {
+}
+.gwt-TabBar .gwt-TabBarItem {
+  margin-left: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabBar .gwt-TabBarItem-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+} 
+.gwt-TabBar .gwt-TabBarItem-disabled {
+  cursor: default;
+  color: #999999;
+}
+.gwt-TabPanel {
+}
+.gwt-TabPanelBottom {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-DecoratedTabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-DecoratedTabBar .gwt-TabBarRest {
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem {
+  border-collapse: collapse;
+  margin-left: 4px;
+}
+.gwt-DecoratedTabBar .tabTopCenter {
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabTopLeft,
+.gwt-DecoratedTabBar .tabTopRight {
+  padding: 0px;
+  zoom: 1;
+}
+.gwt-DecoratedTabBar .tabTopLeftInner,
+.gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+}
+.gwt-DecoratedTabBar .tabTopLeft {
+  background: url(images/circles.png) no-repeat 0px 0px;
+  -background: url(images/circles_ie6.png) no-repeat 0px 0px;
+}
+.gwt-DecoratedTabBar .tabTopRight {
+  background: url(images/circles.png) no-repeat -3px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -3px 0px;
+}
+* html .gwt-DecoratedTabBar .tabTopLeftInner,
+* html .gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+  overflow: hidden;
+}
+.gwt-DecoratedTabBar .tabMiddleLeft,
+.gwt-DecoratedTabBar .tabMiddleRight {
+  width: 3px;
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabMiddleLeftInner,
+.gwt-DecoratedTabBar .tabMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedTabBar .tabMiddleCenter {
+  padding: 0px 5px 4px 5px;
+  cursor: pointer;
+  cursor: hand;
+  color: #fff;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopCenter {
+  background:#fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopLeft {
+  background: url(images/circles.png) no-repeat -6px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -6px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopRight {
+  background: url(images/circles.png) no-repeat -9px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -9px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleLeft,
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleRight {
+  background: #fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleCenter {
+  cursor: default;
+  background: #fff;
+  color:#333;
+  font-weight:bold;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-disabled .tabMiddleCenter {
+  cursor: default;
+  color: #999999;
+}
+
+.gwt-TextArea {
+  padding: 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #666;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextArea-readonly {
+  color: #888;
+}
+
+.gwt-TextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: small;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextBox-readonly {
+  color: #888;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled,
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  -moz-border-radius: 2px;
+  border-radius: 2px;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-ToggleButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;  
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  padding: 4px 4px 2px 6px;
+}
+.gwt-ToggleButton-down {
+  background-position: 0 -513px;
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-hovering {
+  background-position: 0 -513px;
+  border: 1px inset;
+  border-color: #9cf #69e #69e #7af;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-disabled {
+  background-position: 0 -513px;
+  border: 1px inset #ccc;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+
+.gwt-Tree .gwt-TreeItem {
+  padding: 1px 0px;
+  margin: 0px;
+  white-space: nowrap;
+  cursor: hand;
+  cursor: pointer;
+}
+.gwt-Tree .gwt-TreeItem-selected {
+  background: #ebeff9;
+}
+.gwt-TreeItem .gwt-RadioButton input,
+.gwt-TreeItem .gwt-CheckBox input {
+  margin-left: 0px;
+}
+* html .gwt-TreeItem .gwt-RadioButton input,
+* html .gwt-TreeItem .gwt-CheckBox input {
+  margin-left: -4px;
+}
+
+.gwt-DateBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-DateBox input {
+  width: 8em;
+}
+.dateBoxFormatError {
+  background: #ffcccc;
+}
+.dateBoxPopup {
+}
+
+.gwt-DatePicker {
+  border: 1px solid #ccc;
+  border-top:1px solid #999;
+  cursor: default;
+}
+.gwt-DatePicker td,
+.datePickerMonthSelector td:focus {
+  outline: none;
+}
+.datePickerDays {
+  width: 100%;
+  background: white;
+}
+.datePickerDay,
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  font-size: 85%;
+  text-align: center;
+  padding: 4px;
+  outline: none;
+  font-weight:bold;
+  color:#333;
+  border-right: 1px solid #EDEDED;
+  border-bottom: 1px solid #EDEDED;
+}
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  background: #fff;
+  padding: 0px 4px 2px;
+  cursor: default;
+  color:#666;
+  font-size:70%;
+  font-weight:normal;
+}
+.datePickerDay {
+  padding: 4px 7px;
+  cursor: hand;
+  cursor: pointer;
+}
+.datePickerDayIsWeekend {
+  background: #f7f7f7;
+}
+.datePickerDayIsFiller {
+  color: #999;
+  font-weight:normal;
+}
+.datePickerDayIsValue {
+  background: #d7dfe8;
+}
+.datePickerDayIsDisabled {
+  color: #AAAAAA;
+  font-style: italic;
+}
+.datePickerDayIsHighlighted {
+  background: #F0E68C;
+}
+.datePickerDayIsValueAndHighlighted {
+  background: #d7dfe8;
+}
+.datePickerDayIsToday {
+  padding: 3px;
+  color: #fff;
+  background: url(images/hborder.png) repeat-x 0px -2607px;
+}
+
+.datePickerMonthSelector {
+  width: 100%;
+  padding: 1px 0 5px 0;
+  background: #fff;
+}
+td.datePickerMonth {
+  text-align: center;
+  vertical-align: middle;
+  white-space: nowrap;
+  font-size: 100%;
+  font-weight: bold;
+  color: #333;
+}
+.datePickerPreviousButton,
+.datePickerNextButton {
+  font-size: 120%;
+  line-height: 1em;
+  color: #3a6aad;
+  cursor: hand;
+  cursor: pointer;
+  font-weight: bold;
+  padding: 0px 4px;
+  outline: none;
+}
+
+.gwt-StackLayoutPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader-hovering {
+  background: #d3def6;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-TabLayoutPanel {
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTabs {
+  background: #ccc;
+  padding-top: 6px;
+  padding-left: 5px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContentContainer {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContent {
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab {
+  margin-left: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+}
+
+.gwt-SplitLayoutPanel-HDragger {
+  background: #e7e7e7 url(images/thumb_vertical.png) center center no-repeat;
+  cursor: col-resize;
+}
+
+.gwt-SplitLayoutPanel-VDragger {
+  background: #e7e7e7 url(images/thumb_horz.png) center center no-repeat;
+  cursor: row-resize;
+}
\ No newline at end of file
diff --git a/common/static/js/capa/jsme/gwt/clean/clean_rtl.css b/common/static/js/capa/jsme/gwt/clean/clean_rtl.css
new file mode 100644
index 0000000000..7e2c695ccf
--- /dev/null
+++ b/common/static/js/capa/jsme/gwt/clean/clean_rtl.css
@@ -0,0 +1,1265 @@
+/**
+ * The file contains styles for GWT widgets in the Clean theme, in RTL mode.
+ *
+ * In order to maintain cross-browser compatibility, the following syntax is
+ * used to create IE6 specific style rules:
+ *    .gwt-Widget {
+ *      property: rule applies to all browsers
+ *      -property: rule applies only to IE6 (overrides previous rule)
+ *    }
+ *    * html .gwt-Widget {
+ *      property: rule applies to all versions of IE
+ *    }
+ */
+
+body, table td, select, button {
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-size: small;
+}
+pre {
+  font-family: "courier new", courier;
+  font-size: small;
+}
+body {
+  color: black;
+  margin: 10px;
+  border: 0px;
+  padding: 0px;
+  background: #fff;
+  direction: rtl;
+}
+a, a:visited {
+  color: #0066cc;
+  text-decoration:none;
+}
+
+a:hover {
+  color: #0066cc;
+  text-decoration:underline;
+}
+
+select {
+  background: white;
+}
+
+/**
+ * The reference theme can be used to determine when this style sheet has
+ * loaded.  Create a hidden div element with absolute position, assign the style
+ * name below, and attach it to the DOM.  Use a timer to detect when the
+ * element's height and width are set to 5px.
+ */
+.gwt-Reference-clean-rtl {
+  height: 5px;
+  width: 5px;
+  zoom: 1;
+}
+
+.gwt-Button {
+  margin: 0;
+  padding: 5px 7px;
+  text-decoration: none;
+  cursor: pointer;
+  cursor: hand;
+  font-size:small;
+  background: url("images/hborder.png") repeat-x 0px -2077px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  border-radius: 3px;
+ -moz-border-radius: 3px;
+}
+.gwt-Button:active {
+  border: 1px inset #ccc;
+}
+.gwt-Button:hover {
+  border-color: #939393;
+}
+.gwt-Button[disabled] {
+  cursor: default;
+  color: #888;
+}
+.gwt-Button[disabled]:hover {
+  border: 1px outset #ccc;
+}
+
+.gwt-CheckBox {
+}
+.gwt-CheckBox-disabled {
+  color: #888;
+}
+
+.gwt-DecoratorPanel {
+}
+.gwt-DecoratorPanel .topCenter {
+  border-top: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .bottomCenter {
+  border-bottom: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .topCenterInner,
+.gwt-DecoratorPanel .bottomCenterInner {
+  height: 1px;
+  line-height: 0px;
+  font-size: 1px;
+}
+.gwt-DecoratorPanel .middleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleLeftInner,
+.gwt-DecoratorPanel .middleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-DecoratorPanel .topLeftInner,
+.gwt-DecoratorPanel .topRightInner,
+.gwt-DecoratorPanel .bottomLeftInner,
+.gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+  font-size: 1px;
+  overflow: hidden;
+}
+.gwt-DecoratorPanel .topLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+}
+.gwt-DecoratorPanel .topRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+}
+.gwt-DecoratorPanel .bottomLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+}
+.gwt-DecoratorPanel .bottomRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+}
+* html .gwt-DecoratorPanel .topLeftInner,
+* html .gwt-DecoratorPanel .topRightInner,
+* html .gwt-DecoratorPanel .bottomLeftInner,
+* html .gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+
+.gwt-DialogBox .Caption {
+  background: #F1F1F1;
+  padding: 4px 4px 4px 8px;
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-weight: bold;
+  border-bottom: 1px solid #bbbbbb;
+  border-top: 1px solid #D2D2D2;
+}
+.gwt-DialogBox .dialogContent {
+}
+.gwt-DialogBox .dialogMiddleCenter {
+  padding: 3px;
+  background: white;
+}
+.gwt-DialogBox .dialogBottomCenter {
+  background: url(images/hborder.png) repeat-x 0px -2945px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2144px;
+}
+.gwt-DialogBox .dialogMiddleLeft {
+  background: url(images/vborder.png) repeat-y -31px 0px;
+}
+.gwt-DialogBox .dialogMiddleRight {
+  background: url(images/vborder.png) repeat-y -32px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -32px 0px;
+}
+.gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopLeft {
+  background: url(images/circles.png) no-repeat -20px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -20px 0px;
+}
+.gwt-DialogBox .dialogTopRight {
+  background: url(images/circles.png) no-repeat -28px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -28px 0px;
+}
+.gwt-DialogBox .dialogBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -36px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -36px;
+}
+.gwt-DialogBox .dialogBottomRight {
+  background: url(images/circles.png) no-repeat -8px -36px;
+  -background: url(images/circles_ie6.png) no-repeat -8px -36px;
+}
+* html .gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  overflow: hidden;
+}
+
+.gwt-DisclosurePanel {
+}
+.gwt-DisclosurePanel-open {
+}
+.gwt-DisclosurePanel-closed {
+}
+.gwt-DisclosurePanel .header,
+.gwt-DisclosurePanel .header a,
+.gwt-DisclosurePanel .header td {
+  text-decoration: none;  /* Remove underline from header */
+  color: black; 
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DisclosurePanel .content {
+  border-right: 3px solid #e7e7e7;
+  padding: 4px 8px 4px 0px;
+  margin-right: 6px;
+}
+
+.gwt-FileUpload {
+}
+
+.gwt-Frame {
+  border-top: 2px solid #666;
+  border-left: 2px solid #666;
+  border-right: 2px solid #bbb;
+  border-bottom: 2px solid #bbb;
+}
+
+.gwt-HorizontalSplitPanel {
+}
+.gwt-HorizontalSplitPanel .hsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+.gwt-VerticalSplitPanel {
+}
+.gwt-VerticalSplitPanel .vsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+
+.gwt-HTML {
+  padding: 0 0px;
+}
+
+.gwt-Hyperlink {
+  cursor: pointer;
+}
+
+.gwt-Image {
+}
+
+.gwt-Label {
+}
+
+.gwt-ListBox {
+}
+
+.gwt-MenuBar {
+  cursor: default;
+}
+.gwt-MenuBar .gwt-MenuItem {
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-MenuBar .gwt-MenuItem-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBar-horizontal {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border: 1px solid #e0e0e0;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItem {
+  padding: 5px 10px;
+  vertical-align: bottom;
+  color: #000;
+  font-weight: bold;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator {
+  width: 1px;
+  padding: 0px;
+  margin: 0px;
+  border: 0px;
+  border-right: 1px solid #ccc;
+  background: white;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator .menuSeparatorInner {
+  width: 1px;
+  height: 1px;
+  background: white; 
+}
+.gwt-MenuBar-vertical {
+  margin-top: 0px;
+  margin-right: 0px;
+  background: white;
+}
+.gwt-MenuBar-vertical table {
+  border-collapse: collapse;
+}
+.gwt-MenuBar-vertical .gwt-MenuItem {
+  padding: 2px 1px 2px 40px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator {
+  padding: 2px 0px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator .menuSeparatorInner {
+  height: 1px;
+  padding: 0px;
+  border: 0px;
+  border-top: 1px solid #ccc;
+  overflow: hidden;
+}
+.gwt-MenuBar-vertical .subMenuIcon {
+  padding-left: 4px;
+}
+.gwt-MenuBar-vertical .subMenuIcon-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBarPopup {
+  margin: 0px 3px 0px 0px;
+}
+.gwt-MenuBarPopup .menuPopupTopCenter {
+  background: url(images/hborder.png) 0px -12px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupBottomCenter {
+  background: url(images/hborder.png) 0px -13px repeat-x;
+  -background: url(images/hborder_ie6.png) 0px -13px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupMiddleLeft {
+  background: url(images/vborder.png) -12px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -12px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupMiddleRight {
+  background: url(images/vborder.png) -13px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -13px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopLeft {
+  background: url(images/corner.png) no-repeat 0px -36px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -36px;
+}
+.gwt-MenuBarPopup .menuPopupTopRight {
+  background: url(images/corner.png) no-repeat -5px -36px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -36px;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeft {
+  background: url(images/corner.png) no-repeat 0px -41px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -41px;
+}
+.gwt-MenuBarPopup .menuPopupBottomRight {
+  background: url(images/corner.png) no-repeat -5px -41px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -41px;
+}
+* html .gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  overflow: hidden;
+}
+
+.gwt-PasswordTextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-PasswordTextBox-readonly {
+  color: #888;
+}
+
+.gwt-PopupPanel {
+  border: 3px solid #e7e7e7;
+  padding: 3px;
+  background: white;
+}
+
+.gwt-DecoratedPopupPanel .popupContent {
+}
+.gwt-DecoratedPopupPanel .popupMiddleCenter {
+  padding: 3px;
+  background: #f1f1f1;
+}
+.gwt-DecoratedPopupPanel .popupTopCenter {
+  background: url(images/hborder.png) 0px -2937px repeat-x;
+}
+.gwt-DecoratedPopupPanel .popupBottomCenter {
+  background:  url(images/hborder.png) repeat-x 0px -2938px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2138px;
+}
+.gwt-DecoratedPopupPanel .popupMiddleLeft {
+  background: url(images/vborder.png) -21px 0px repeat-y;
+}
+.gwt-DecoratedPopupPanel .popupMiddleRight {
+  background: url(images/vborder.png) repeat-y -24px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -24px 0px;
+}
+.gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -16px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -16px;
+}
+.gwt-DecoratedPopupPanel .popupTopRight {
+  background: url(images/circles.png) no-repeat -6px -16px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -16px;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -21px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -21px;
+}
+.gwt-DecoratedPopupPanel .popupBottomRight {
+  background: url(images/circles.png) no-repeat -6px -21px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -21px;
+}
+* html .gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+
+.gwt-PopupPanelGlass {
+  background-color: #000;
+  opacity: 0.3;
+  filter: alpha(opacity=30);
+}
+
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled,
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  border-radius: 2px;
+  -moz-border-radius: 2px;
+}
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-PushButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  padding: 4px 6px 2px 4px;
+  outline:none;
+}
+.gwt-PushButton-down {
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-hovering {
+  border: 1px solid #939393;
+  border-top: 1px solid #333333;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-disabled {
+  border: 1px outset #ccc;
+  cursor: default;
+  opacity: 0.5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+
+.gwt-RadioButton {
+}
+.gwt-RadioButton-disabled {
+  color: #888;
+}
+
+.gwt-RichTextArea {
+}
+.hasRichTextToolbar {
+  border: 0px;
+}
+.gwt-RichTextToolbar {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border-bottom: 1px solid #BBBBBB;
+  padding: 3px;
+  margin: 0px;
+}
+.gwt-RichTextToolbar .gwt-PushButton-up {
+  padding: 0px 0px 0px 1px;
+  margin-left: 4px;
+  margin-bottom: 4px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-up-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+
+.gwt-StackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-DecoratedStackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 5px 10px 2px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft,
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  height: 6px;
+  width: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft {
+  border-left: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat 0px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat 0px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  border-right: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat -6px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat -6px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeftInner,
+.gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 1px;
+  height: 1px;
+}
+* html .gwt-DecoratedStackPanel .stackItemTopLeftInner,
+* html .gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+.gwt-DecoratedStackPanel .stackItemTopCenter {
+  background: url(images/hborder.png) 0px -21px repeat-x;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeft {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-left: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeftInner,
+.gwt-DecoratedStackPanel .stackItemMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleRight {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-right: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleCenter {
+  font-weight: bold;
+  font-size: 1.3em;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopRight,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopLeft {
+  border: 0px;
+  background-color: white;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopLeft,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopRight {
+  background-color: white;
+}
+
+.gwt-SuggestBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+
+.gwt-SuggestBoxPopup {
+}
+
+.gwt-SuggestBoxPopup .item {
+  padding: 2px 6px;
+  color: #000;
+  cursor: default;
+  font-size: 110%;
+}
+.gwt-SuggestBoxPopup .item-selected {
+  background: #D5E2FF;
+}
+.gwt-SuggestBoxPopup .suggestPopupContent {
+  background: white;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenter {
+  border-top: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomCenter {
+  border-bottom: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenterInner,
+.gwt-SuggestBoxPopup .suggestPopupBottomCenterInner {
+  height: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeftInner,
+.gwt-SuggestBoxPopup .suggestPopupMiddleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;  
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRight {
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRight {
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+  width:5px;
+  height:5px;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+
+.gwt-TabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-TabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-TabBar .gwt-TabBarRest {
+}
+.gwt-TabBar .gwt-TabBarItem {
+  margin-right: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabBar .gwt-TabBarItem-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+} 
+.gwt-TabBar .gwt-TabBarItem-disabled {
+  cursor: default;
+  color: #999999;
+}
+.gwt-TabPanel {
+}
+.gwt-TabPanelBottom {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-DecoratedTabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-DecoratedTabBar .gwt-TabBarRest {
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem {
+  border-collapse: collapse;
+  margin-right: 4px;
+}
+.gwt-DecoratedTabBar .tabTopCenter {
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabTopLeft,
+.gwt-DecoratedTabBar .tabTopRight {
+  padding: 0px;
+  zoom: 1;
+}
+.gwt-DecoratedTabBar .tabTopLeftInner,
+.gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+}
+.gwt-DecoratedTabBar .tabTopLeft {
+  background: url(images/circles.png) no-repeat 0px 0px;
+  -background: url(images/circles_ie6.png) no-repeat 0px 0px;
+}
+.gwt-DecoratedTabBar .tabTopRight {
+  background: url(images/circles.png) no-repeat -3px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -3px 0px;
+}
+* html .gwt-DecoratedTabBar .tabTopLeftInner,
+* html .gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+  overflow: hidden;
+}
+.gwt-DecoratedTabBar .tabMiddleLeft,
+.gwt-DecoratedTabBar .tabMiddleRight {
+  width: 3px;
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabMiddleLeftInner,
+.gwt-DecoratedTabBar .tabMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedTabBar .tabMiddleCenter {
+  padding: 0px 5px 4px 5px;
+  cursor: pointer;
+  cursor: hand;
+  color: #fff;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopCenter {
+  background:#fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopLeft {
+  background: url(images/circles.png) no-repeat -6px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -6px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopRight {
+  background: url(images/circles.png) no-repeat -9px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -9px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleLeft,
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleRight {
+  background: #fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleCenter {
+  cursor: default;
+  background: #fff;
+  color:#333;
+  font-weight:bold;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-disabled .tabMiddleCenter {
+  cursor: default;
+  color: #999999;
+}
+
+.gwt-TextArea {
+  padding: 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #666;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextArea-readonly {
+  color: #888;
+}
+
+.gwt-TextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: small;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextBox-readonly {
+  color: #888;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled,
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  -moz-border-radius: 2px;
+  border-radius: 2px;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-ToggleButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;  
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  padding: 4px 6px 2px 4px;
+}
+.gwt-ToggleButton-down {
+  background-position: 0 -513px;
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-hovering {
+  background-position: 0 -513px;
+  border: 1px inset;
+  border-color: #9cf #69e #69e #7af;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-disabled {
+  background-position: 0 -513px;
+  border: 1px inset #ccc;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+
+.gwt-Tree .gwt-TreeItem {
+  padding: 1px 0px;
+  margin: 0px;
+  white-space: nowrap;
+  cursor: hand;
+  cursor: pointer;
+  zoom: 1;
+}
+.gwt-Tree .gwt-TreeItem-selected {
+  background: #ebeff9;
+}
+.gwt-TreeItem .gwt-RadioButton input,
+.gwt-TreeItem .gwt-CheckBox input {
+  margin-right: 0px;
+}
+* html .gwt-TreeItem .gwt-RadioButton input,
+* html .gwt-TreeItem .gwt-CheckBox input {
+  margin-right: -4px;
+}
+
+.gwt-DateBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-DateBox input {
+  width: 8em;
+}
+.dateBoxFormatError {
+  background: #ffcccc;
+}
+.dateBoxPopup {
+}
+
+.gwt-DatePicker {
+  border: 1px solid #ccc;
+  border-top:1px solid #999;
+  cursor: default;
+}
+.gwt-DatePicker td,
+.datePickerMonthSelector td:focus {
+  outline: none;
+}
+.datePickerDays {
+  width: 100%;
+  background: white;
+}
+.datePickerDay,
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  font-size: 85%;
+  text-align: center;
+  padding: 4px;
+  outline: none;
+  font-weight:bold;
+  color:#333;
+  border-right: 1px solid #EDEDED;
+  border-bottom: 1px solid #EDEDED;
+}
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  background: #fff;
+  padding: 0px 4px 2px;
+  cursor: default;
+  color:#666;
+  font-size:70%;
+  font-weight:normal;
+}
+.datePickerDay {
+  padding: 4px 7px;
+  cursor: hand;
+  cursor: pointer;
+}
+.datePickerDayIsWeekend {
+  background: #f7f7f7;
+}
+.datePickerDayIsFiller {
+  color: #999;
+  font-weight:normal;
+}
+.datePickerDayIsValue {
+  background: #d7dfe8;
+}
+.datePickerDayIsDisabled {
+  color: #AAAAAA;
+  font-style: italic;
+}
+.datePickerDayIsHighlighted {
+  background: #F0E68C;
+}
+.datePickerDayIsValueAndHighlighted {
+  background: #d7dfe8;
+}
+.datePickerDayIsToday {
+  padding: 3px;
+  color: #fff;
+  background: url(images/hborder.png) repeat-x 0px -2607px;
+}
+
+.datePickerMonthSelector {
+  width: 100%;
+  padding: 1px 0 5px 0;
+  background: #fff;
+}
+td.datePickerMonth {
+  text-align: center;
+  vertical-align: middle;
+  white-space: nowrap;
+  font-size: 100%;
+  font-weight: bold;
+  color: #333;
+}
+.datePickerPreviousButton,
+.datePickerNextButton {
+  font-size: 120%;
+  line-height: 1em;
+  color: #3a6aad;
+  cursor: hand;
+  cursor: pointer;
+  font-weight: bold;
+  padding: 0px 4px;
+  outline: none;
+}
+
+.gwt-StackLayoutPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader-hovering {
+  background: #d3def6;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 5px 10px 2px;
+}
+
+.gwt-TabLayoutPanel {
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTabs {
+  background: #ccc;
+  padding-top: 6px;
+  padding-right: 5px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContentContainer {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContent {
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab {
+  margin-right: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+}
+
+.gwt-SplitLayoutPanel-HDragger {
+  background: #e7e7e7 url(images/thumb_vertical.png) center center no-repeat;
+  cursor: col-resize;
+}
+
+.gwt-SplitLayoutPanel-VDragger {
+  background: #e7e7e7 url(images/thumb_horz.png) center center no-repeat;
+  cursor: row-resize;
+}
\ No newline at end of file
diff --git a/common/static/js/capa/jsme/gwt/clean/images/circles.png b/common/static/js/capa/jsme/gwt/clean/images/circles.png
new file mode 100644
index 0000000000..2a84b9c320
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/circles.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/circles_ie6.png b/common/static/js/capa/jsme/gwt/clean/images/circles_ie6.png
new file mode 100644
index 0000000000..3a388fc5d3
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/circles_ie6.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/corner.png b/common/static/js/capa/jsme/gwt/clean/images/corner.png
new file mode 100644
index 0000000000..51aa4582aa
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/corner.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/corner_ie6.png b/common/static/js/capa/jsme/gwt/clean/images/corner_ie6.png
new file mode 100644
index 0000000000..5197449254
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/corner_ie6.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/hborder.png b/common/static/js/capa/jsme/gwt/clean/images/hborder.png
new file mode 100644
index 0000000000..ec58ae6126
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/hborder.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/hborder_ie6.png b/common/static/js/capa/jsme/gwt/clean/images/hborder_ie6.png
new file mode 100644
index 0000000000..2268f88a76
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/hborder_ie6.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/thumb_horz.png b/common/static/js/capa/jsme/gwt/clean/images/thumb_horz.png
new file mode 100644
index 0000000000..b43e683e1f
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/thumb_horz.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/thumb_vertical.png b/common/static/js/capa/jsme/gwt/clean/images/thumb_vertical.png
new file mode 100644
index 0000000000..bd57f594ac
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/thumb_vertical.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/vborder.png b/common/static/js/capa/jsme/gwt/clean/images/vborder.png
new file mode 100644
index 0000000000..6840d11a12
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/vborder.png differ
diff --git a/common/static/js/capa/jsme/gwt/clean/images/vborder_ie6.png b/common/static/js/capa/jsme/gwt/clean/images/vborder_ie6.png
new file mode 100644
index 0000000000..90baeb1f99
Binary files /dev/null and b/common/static/js/capa/jsme/gwt/clean/images/vborder_ie6.png differ
diff --git a/common/static/js/capa/jsme/jsme_export.nocache.js b/common/static/js/capa/jsme/jsme_export.nocache.js
new file mode 100644
index 0000000000..7046ccdbfd
--- /dev/null
+++ b/common/static/js/capa/jsme/jsme_export.nocache.js
@@ -0,0 +1,343 @@
+function jsme_export() {
+    var P = '', xb = '" for "gwt:onLoadErrorFn"', vb = '" for "gwt:onPropertyErrorFn"', ib = '"><\/script>', Z = '#', _b = '.cache.html', _ = '/', lb = '//', Tb = '0611409F263B5178342FE86F2A15096A', Vb = '396B3EA649BF55AAB5739A9E6278DBB1', Wb = '55B43920D2446B7876A6D007C7823913', $b = ':', Ub = ':1', pb = '::', hc = '<script defer="defer">jsme_export.onInjectionDone(\'jsme_export\')<\/script>', hb = '<script id="', sb = '=', $ = '?', Xb = 'A3B7F92654E7A93271CE0440D9179625', Yb = 'AC3F6C30BBCDFBDD8EAE31273C273251', Zb = 'B4ADD17684A99693FE9C9A04B1CAF23B', Eb = 'BackCompat', ub = 'Bad handler "', Db = 'CSS1Compat', gc = 'DOMContentLoaded', jb = 'SCRIPT', gb = '__gwt_marker_jsme_export', kb = 'base', cb = 'baseUrl', T = 'begin', S = 'bootstrap', bb = 'clear.cache.gif', Cb = 'compat.mode', rb = 'content', Y = 'end', Nb = 'gecko', Ob = 'gecko1_8', U = 'gwt.codesvr=', V = 'gwt.hosted=', W = 'gwt.hybrid', ac = 'gwt/clean/clean.css', wb = 'gwt:onLoadErrorFn', tb = 'gwt:onPropertyErrorFn', qb = 'gwt:property', fc = 'head', Rb = 'hosted.html?jsme_export', ec = 'href', Mb = 'ie6', Lb = 'ie8', Kb = 'ie9', yb = 'iframe', ab = 'img', zb = "javascript:''", Q = 'jsme_export', eb = 'jsme_export.nocache.js', ob = 'jsme_export::', bc = 'link', Qb = 'loadExternalRefs', mb = 'meta', Bb = 'moduleRequested', X = 'moduleStartup', Jb = 'msie', nb = 'name', Gb = 'opera', Ab = 'position:absolute;width:0;height:0;border:none', cc = 'rel', Ib = 'safari', db = 'script', Sb = 'selectingPermutation', R = 'startup', dc = 'stylesheet', fb = 'undefined', Pb = 'unknown', Fb = 'user.agent', Hb = 'webkit';
+    var m = window, n = document, o = m.__gwtStatsEvent ? function(a) {
+        return m.__gwtStatsEvent(a)
+    } : null, p = m.__gwtStatsSessionId ? m.__gwtStatsSessionId : null, q, r, s, t = P, u = {}, v = [], w = [], x = [], y = 0, z, A;
+    o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: S,millis: (new Date).getTime(),type: T});
+    if (!m.__gwt_stylesLoaded) {
+        m.__gwt_stylesLoaded = {}
+    }
+    if (!m.__gwt_scriptsLoaded) {
+        m.__gwt_scriptsLoaded = {}
+    }
+    function B() {
+        var b = false;
+        try {
+            var c = m.location.search;
+            return (c.indexOf(U) != -1 || (c.indexOf(V) != -1 || m.external && m.external.gwtOnLoad)) && c.indexOf(W) == -1
+        } catch (a) {
+        }
+        B = function() {
+            return b
+        };
+        return b
+    }
+    function C() {
+        if (q && r) {
+            var b = n.getElementById(Q);
+            var c = b.contentWindow;
+            if (B()) {
+                c.__gwt_getProperty = function(a) {
+                    return H(a)
+                }
+            }
+            jsme_export = null;
+            c.gwtOnLoad(z, Q, t, y);
+            o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: X,millis: (new Date).getTime(),type: Y})
+        }
+    }
+    function D() {
+        function e(a) {
+            var b = a.lastIndexOf(Z);
+            if (b == -1) {
+                b = a.length
+            }
+            var c = a.indexOf($);
+            if (c == -1) {
+                c = a.length
+            }
+            var d = a.lastIndexOf(_, Math.min(c, b));
+            return d >= 0 ? a.substring(0, d + 1) : P
+        }
+        function f(a) {
+            if (a.match(/^\w+:\/\//)) {
+            } else {
+                var b = n.createElement(ab);
+                b.src = a + bb;
+                a = e(b.src)
+            }
+            return a
+        }
+        function g() {
+            var a = F(cb);
+            if (a != null) {
+                return a
+            }
+            return P
+        }
+        function h() {
+            var a = n.getElementsByTagName(db);
+            for (var b = 0; b < a.length; ++b) {
+                if (a[b].src.indexOf(eb) != -1) {
+                    return e(a[b].src)
+                }
+            }
+            return P
+        }
+        function i() {
+            var a;
+            if (typeof isBodyLoaded == fb || !isBodyLoaded()) {
+                var b = gb;
+                var c;
+                n.write(hb + b + ib);
+                c = n.getElementById(b);
+                a = c && c.previousSibling;
+                while (a && a.tagName != jb) {
+                    a = a.previousSibling
+                }
+                if (c) {
+                    c.parentNode.removeChild(c)
+                }
+                if (a && a.src) {
+                    return e(a.src)
+                }
+            }
+            return P
+        }
+        function j() {
+            var a = n.getElementsByTagName(kb);
+            if (a.length > 0) {
+                return a[a.length - 1].href
+            }
+            return P
+        }
+        function k() {
+            var a = n.location;
+            return a.href == a.protocol + lb + a.host + a.pathname + a.search + a.hash
+        }
+        var l = g();
+        if (l == P) {
+            l = h()
+        }
+        if (l == P) {
+            l = i()
+        }
+        if (l == P) {
+            l = j()
+        }
+        if (l == P && k()) {
+            l = e(n.location.href)
+        }
+        l = f(l);
+        t = l;
+        return l
+    }
+    function E() {
+        var b = document.getElementsByTagName(mb);
+        for (var c = 0, d = b.length; c < d; ++c) {
+            var e = b[c], f = e.getAttribute(nb), g;
+            if (f) {
+                f = f.replace(ob, P);
+                if (f.indexOf(pb) >= 0) {
+                    continue
+                }
+                if (f == qb) {
+                    g = e.getAttribute(rb);
+                    if (g) {
+                        var h, i = g.indexOf(sb);
+                        if (i >= 0) {
+                            f = g.substring(0, i);
+                            h = g.substring(i + 1)
+                        } else {
+                            f = g;
+                            h = P
+                        }
+                        u[f] = h
+                    }
+                } else if (f == tb) {
+                    g = e.getAttribute(rb);
+                    if (g) {
+                        try {
+                            A = eval(g)
+                        } catch (a) {
+                            alert(ub + g + vb)
+                        }
+                    }
+                } else if (f == wb) {
+                    g = e.getAttribute(rb);
+                    if (g) {
+                        try {
+                            z = eval(g)
+                        } catch (a) {
+                            alert(ub + g + xb)
+                        }
+                    }
+                }
+            }
+        }
+    }
+    function F(a) {
+        var b = u[a];
+        return b == null ? null : b
+    }
+    function G(a, b) {
+        var c = x;
+        for (var d = 0, e = a.length - 1; d < e; ++d) {
+            c = c[a[d]] || (c[a[d]] = [])
+        }
+        c[a[e]] = b
+    }
+    function H(a) {
+        var b = w[a](), c = v[a];
+        if (b in c) {
+            return b
+        }
+        var d = [];
+        for (var e in c) {
+            d[c[e]] = e
+        }
+        if (A) {
+            A(a, d, b)
+        }
+        throw null
+    }
+    var I;
+    function J() {
+        if (!I) {
+            I = true;
+            var a = n.createElement(yb);
+            a.src = zb;
+            a.id = Q;
+            a.style.cssText = Ab;
+            a.tabIndex = -1;
+            n.body.appendChild(a);
+            o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: X,millis: (new Date).getTime(),type: Bb});
+            a.contentWindow.location.replace(t + L)
+        }
+    }
+    w[Cb] = function() {
+        return document.compatMode == Db ? Db : Eb
+    };
+    v[Cb] = {BackCompat: 0,CSS1Compat: 1};
+    w[Fb] = function() {
+        var b = navigator.userAgent.toLowerCase();
+        var c = function(a) {
+            return parseInt(a[1]) * 1000 + parseInt(a[2])
+        };
+        if (function() {
+            return b.indexOf(Gb) != -1
+        }())
+            return Gb;
+        if (function() {
+            return b.indexOf(Hb) != -1
+        }())
+            return Ib;
+        if (function() {
+            return b.indexOf(Jb) != -1 && n.documentMode >= 9
+        }())
+            return Kb;
+        if (function() {
+            return b.indexOf(Jb) != -1 && n.documentMode >= 8
+        }())
+            return Lb;
+        if (function() {
+            var a = /msie ([0-9]+)\.([0-9]+)/.exec(b);
+            if (a && a.length == 3)
+                return c(a) >= 6000
+        }())
+            return Mb;
+        if (function() {
+            return b.indexOf(Nb) != -1
+        }())
+            return Ob;
+        return Pb
+    };
+    v[Fb] = {gecko1_8: 0,ie6: 1,ie8: 2,ie9: 3,opera: 4,safari: 5};
+    jsme_export.onScriptLoad = function() {
+        if (I) {
+            r = true;
+            C()
+        }
+    };
+    jsme_export.onInjectionDone = function() {
+        q = true;
+        o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: Qb,millis: (new Date).getTime(),type: Y});
+        C()
+    };
+    E();
+    D();
+    var K;
+    var L;
+    if (B()) {
+        if (m.external && (m.external.initModule && m.external.initModule(Q))) {
+            m.location.reload();
+            return
+        }
+        L = Rb;
+        K = P
+    }
+    o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: S,millis: (new Date).getTime(),type: Sb});
+    if (!B()) {
+        try {
+            G([Eb, Ib], Tb);
+            G([Db, Ib], Tb);
+            G([Eb, Ib], Tb + Ub);
+            G([Db, Ib], Tb + Ub);
+            G([Eb, Ob], Vb);
+            G([Db, Ob], Vb);
+            G([Eb, Ob], Vb + Ub);
+            G([Db, Ob], Vb + Ub);
+            G([Eb, Gb], Wb);
+            G([Db, Gb], Wb);
+            G([Eb, Gb], Wb + Ub);
+            G([Db, Gb], Wb + Ub);
+            G([Eb, Lb], Xb);
+            G([Db, Lb], Xb);
+            G([Eb, Lb], Xb + Ub);
+            G([Db, Lb], Xb + Ub);
+            G([Eb, Mb], Yb);
+            G([Db, Mb], Yb);
+            G([Eb, Mb], Yb + Ub);
+            G([Db, Mb], Yb + Ub);
+            G([Eb, Kb], Zb);
+            G([Db, Kb], Zb);
+            G([Eb, Kb], Zb + Ub);
+            G([Db, Kb], Zb + Ub);
+            K = x[H(Cb)][H(Fb)];
+            var M = K.indexOf($b);
+            if (M != -1) {
+                y = Number(K.substring(M + 1));
+                K = K.substring(0, M)
+            }
+            L = K + _b
+        } catch (a) {
+            return
+        }
+    }
+    var N;
+    function O() {
+        if (!s) {
+            s = true;
+            if (!__gwt_stylesLoaded[ac]) {
+                var a = n.createElement(bc);
+                __gwt_stylesLoaded[ac] = a;
+                a.setAttribute(cc, dc);
+                a.setAttribute(ec, t + ac);
+                n.getElementsByTagName(fc)[0].appendChild(a)
+            }
+            C();
+            if (n.removeEventListener) {
+                n.removeEventListener(gc, O, false)
+            }
+            if (N) {
+                clearInterval(N)
+            }
+        }
+    }
+    if (n.addEventListener) {
+        n.addEventListener(gc, function() {
+            J();
+            O()
+        }, false)
+    }
+    var N = setInterval(function() {
+        if (/loaded|complete/.test(n.readyState)) {
+            J();
+            O()
+        }
+    }, 50);
+    o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: S,millis: (new Date).getTime(),type: Y});
+    o && o({moduleName: Q,sessionId: p,subSystem: R,evtGroup: Qb,millis: (new Date).getTime(),type: T});
+    n.write(hc);
+}
+jsme_export();
diff --git a/common/static/js/capa/jsmolcalc/2F6BC62FA9B71FB5EB318145F5D37E84.cache.html b/common/static/js/capa/jsmolcalc/2F6BC62FA9B71FB5EB318145F5D37E84.cache.html
new file mode 100644
index 0000000000..c141070d9b
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/2F6BC62FA9B71FB5EB318145F5D37E84.cache.html
@@ -0,0 +1,2659 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = '2F6BC62FA9B71FB5EB318145F5D37E84';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  $fillInStackTrace();
+  this.e = e;
+  $createStackTrace(this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function extractNameFromToString(fnToString){
+  var index, start, toReturn;
+  toReturn = '';
+  fnToString = $trim(fnToString);
+  index = fnToString.indexOf('(');
+  start = fnToString.indexOf('function') == 0?8:0;
+  if (index == -1) {
+    index = $indexOf(fnToString, String.fromCharCode(64));
+    start = fnToString.indexOf('function ') == 0?9:0;
+  }
+  index != -1 && (toReturn = $trim(fnToString.substr(start, index - start)));
+  return toReturn.length > 0?toReturn:'anonymous';
+}
+
+function $collect(this$static){
+  var seen = {};
+  var toReturn = [];
+  var callee = arguments.callee.caller.caller;
+  while (callee) {
+    var name_0 = this$static.extractName(callee.toString());
+    toReturn.push(name_0);
+    var keyName = ':' + name_0;
+    var withThisName = seen[keyName];
+    if (withThisName) {
+      var i, j;
+      for (i = 0 , j = withThisName.length; i < j; i++) {
+        if (withThisName[i] === callee) {
+          return toReturn;
+        }
+      }
+    }
+    (withThisName || (seen[keyName] = [])).push(callee);
+    callee = callee.caller;
+  }
+  return toReturn;
+}
+
+function $createStackTrace(e){
+  var i, j, stack, stackTrace;
+  stack = (instanceOfJso(e.e)?dynamicCastJso(e.e):null , []);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $fillInStackTrace(){
+  var i, j, stack, stackTrace;
+  stack = $collect(new StackTraceCreator$Collector_0);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function StackTraceCreator$Collector_0(){
+}
+
+defineSeed(17, 1, {}, StackTraceCreator$Collector_0);
+_.extractName = function extractName(fnToString){
+  return extractNameFromToString(fnToString);
+}
+;
+function $append(a, x){
+  a[a.explicitLength++] = x == null?'null':x;
+}
+
+function $appendNonNull(a, x){
+  a[a.explicitLength++] = x;
+}
+
+function $createData(){
+  var array = [];
+  array.explicitLength = 0;
+  return array;
+}
+
+function $replace(a, start, end, toInsert){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s.substr(0, start - 0));
+  a[a.explicitLength++] = toInsert == null?'null':toInsert;
+  $appendNonNull(a, $substring(s, end));
+}
+
+function $takeString(a){
+  var s = a.join('');
+  a.length = a.explicitLength = 0;
+  return s;
+}
+
+function $toString(a){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s);
+  return s;
+}
+
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(24, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  $append(digits.data, 'E');
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    $append(digits.data, '-');
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    $appendNonNull(digits.data, '0');
+  }
+  $append(digits.data, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.data, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt($toString(digits.data), toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt($toString(digits.data), strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.data, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && $toString(digits.data).charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    $append(buf.data, '\u221E');
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return $toString(buf.data);
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = $toString(buf.data).length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < $toString(buf.data).length && $charAt($toString(buf.data), preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += $toString(buf.data).length - preRound;
+    $delete_0(buf, preRound, $toString(buf.data).length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = $toString(buf.data).length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return $toString(buf.data);
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, $toString(affix.data).length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        $append(affix.data, "'");
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.data, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          $append(affix.data, '%');
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          $append(affix.data, '\u2030');
+          break;
+        case 45:
+          $append(affix.data, '-');
+          break;
+        default:$appendNonNull(affix.data, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = $toString(affix.data);
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = $toString(affix.data);
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = $toString(affix.data);
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = $toString(affix.data);
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        $appendNonNull(prefix.data, '0');
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, $toString(prefix.data));
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt($toString(digits.data), i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.data, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt($toString(digits.data), i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.data, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = $toString(buf.data).length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf_0($toString(buf.data), 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf_0($toString(buf.data), 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < $toString(buf.data).length && $charAt($toString(buf.data), expDigits) == 43 && ++expDigits;
+    expDigits < $toString(buf.data).length && (scale = __parseAndValidateInt($substring($toString(buf.data), expDigits)));
+    $delete_0(buf, expIdx, $toString(buf.data).length);
+  }
+  dot = $indexOf_0($toString(buf.data), '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.data, dot, dot + 1, '');
+    scale -= $toString(buf.data).length - dot;
+  }
+  return scale;
+}
+
+defineSeed(25, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(26, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(28, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('ie6', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (ie6) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+--></script>
+<script><!--
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(40, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged C atom.<br>') , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && ($append(illegalAtoms.data, 'An N atom with too high + charge.<br>') , illegalAtoms);
+      atom.charge < 0 && ($append(illegalAtoms.data, 'An N atom with - charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && ($append(illegalAtoms.data, 'An N atom making too many bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && ($append(illegalAtoms.data, 'An O atom with too high - charge.<br>') , illegalAtoms);
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An O atom with + charge.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An S atom with a + charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && ($append(illegalAtoms.data, 'An S atom not making 2, 4, or 6 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged P atom.<br>') , illegalAtoms);
+      atom.numNeighborHs != -3 && ($append(illegalAtoms.data, 'A P atom not making 5 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && ($append(illegalAtoms.data, 'An X atom.<br>') , illegalAtoms);
+  }
+  errorString = '';
+  $toString(illegalAtoms.data).length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + $toString(illegalAtoms.data) + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if ($toString(illegalAtoms.data).length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.data, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + $toString(neighbors.data) + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    $append(formula.data, '(');
+    charge == -1?($append(formula.data, '-') , formula):charge > 0 && ($append(formula.data, '+') , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.data, '' + charge) , formula);
+    $append(formula.data, ')');
+  }
+  formulaString = 'Formula: ' + $toString(formula.data);
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.data, atomLabel);
+  if (number == 1) {
+    $append(outString.data, ' ');
+    return;
+  }
+  $append(outString.data, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(41, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(42, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(43, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(44, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(45, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(46, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(48, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(49, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(52, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(53, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(54, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(55, 52, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName){
+}
+
+defineSeed(56, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str){
+  return this$static.indexOf(str);
+}
+
+function $indexOf_0(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.data, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.data = $createData();
+}
+
+defineSeed(58, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt($toString(this$static.data), index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.data, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.data, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.data, start, end, toInsert);
+  return this$static;
+}
+
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.data = $createData();
+}
+
+defineSeed(59, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(60, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(61, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+defineSeed(63, 1, makeCastMap([Q$Map]));
+--></script>
+<script><!--
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
+      }
+    }
+  }
+  return null;
+}
+
+function $getStringValue(this$static, key){
+  return this$static.stringMap[':' + key];
+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
+}
+
+function $put(this$static, key, value){
+  return !key?$putNullSlot(this$static, value):$putHashValue(this$static, key, value, ~~getHashCode(key));
+}
+
+function $putHashValue(this$static, key, value, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        var previous = entry.getValue();
+        entry.setValue(value);
+        return previous;
+      }
+    }
+  }
+   else {
+    array = this$static.hashCodeMap[hashCode] = [];
+  }
+  var entry = new MapEntryImpl_0(key, value);
+  array.push(entry);
+  ++this$static.size;
+  return null;
+}
+
+function $putNullSlot(this$static, value){
+  var result;
+  result = this$static.nullSlot;
+  this$static.nullSlot = value;
+  if (!this$static.nullSlotLive) {
+    this$static.nullSlotLive = true;
+    ++this$static.size;
+  }
+  return result;
+}
+
+function $putStringValue(this$static, key, value){
+  var result, stringMap = this$static.stringMap;
+  key = ':' + key;
+  key in stringMap?(result = stringMap[key]):++this$static.size;
+  stringMap[key] = value;
+  return result;
+}
+
+defineSeed(62, 63, makeCastMap([Q$Map]));
+_.equalsBridge = function equalsBridge(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+;
+_.hashCodeMap = null;
+_.nullSlot = null;
+_.nullSlotLive = false;
+_.size = 0;
+_.stringMap = null;
+defineSeed(65, 61, makeCastMap([Q$Set]));
+_.equals$ = function equals_2(o){
+  var iter, other, otherItem;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$Set)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$Set);
+  if (other.this$0.size != this.size_0()) {
+    return false;
+  }
+  for (iter = new AbstractHashMap$EntrySetIterator_0(other.this$0); $hasNext(iter.iter);) {
+    otherItem = dynamicCast($next(iter.iter), Q$Map$Entry);
+    if (!this.contains(otherItem)) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_3(){
+  var hashCode, iter, next;
+  hashCode = 0;
+  for (iter = this.iterator(); iter.hasNext();) {
+    next = iter.next();
+    if (next != null) {
+      hashCode += hashCode__devirtual$(next);
+      hashCode = ~~hashCode;
+    }
+  }
+  return hashCode;
+}
+;
+function AbstractHashMap$EntrySet_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(64, 65, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
+_.contains = function contains_0(o){
+  var entry, key, value;
+  if (instanceOf(o, Q$Map$Entry)) {
+    entry = dynamicCast(o, Q$Map$Entry);
+    key = entry.getKey();
+    if ($containsKey(this.this$0, key)) {
+      value = $get(this.this$0, key);
+      return $equals_0(entry.getValue(), value);
+    }
+  }
+  return false;
+}
+;
+_.iterator = function iterator(){
+  return new AbstractHashMap$EntrySetIterator_0(this.this$0);
+}
+;
+_.size_0 = function size_0(){
+  return this.this$0.size;
+}
+;
+_.this$0 = null;
+function AbstractHashMap$EntrySetIterator_0(this$0){
+  var list;
+  list = new ArrayList_0;
+  this$0.nullSlotLive && $add_0(list, new AbstractHashMap$MapEntryNull_0(this$0));
+  $addAllStringEntries(this$0, list);
+  $addAllHashEntries(this$0, list);
+  this.iter = new AbstractList$IteratorImpl_0(list);
+}
+
+defineSeed(66, 1, {}, AbstractHashMap$EntrySetIterator_0);
+_.hasNext = function hasNext(){
+  return $hasNext(this.iter);
+}
+;
+_.next = function next_0(){
+  return dynamicCast($next(this.iter), Q$Map$Entry);
+}
+;
+_.iter = null;
+defineSeed(68, 1, makeCastMap([Q$Map$Entry]));
+_.equals$ = function equals_3(other){
+  var entry;
+  if (instanceOf(other, Q$Map$Entry)) {
+    entry = dynamicCast(other, Q$Map$Entry);
+    if (equalsWithNullCheck(this.getKey(), entry.getKey()) && equalsWithNullCheck(this.getValue(), entry.getValue())) {
+      return true;
+    }
+  }
+  return false;
+}
+;
+_.hashCode$ = function hashCode_4(){
+  var keyHash, valueHash;
+  keyHash = 0;
+  valueHash = 0;
+  this.getKey() != null && (keyHash = hashCode__devirtual$(this.getKey()));
+  this.getValue() != null && (valueHash = hashCode__devirtual$(this.getValue()));
+  return keyHash ^ valueHash;
+}
+;
+function AbstractHashMap$MapEntryNull_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(67, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
+_.getKey = function getKey(){
+  return null;
+}
+;
+_.getValue = function getValue(){
+  return this.this$0.nullSlot;
+}
+;
+_.setValue = function setValue(object){
+  return $putNullSlot(this.this$0, object);
+}
+;
+_.this$0 = null;
+function AbstractHashMap$MapEntryString_0(this$0, key){
+  this.this$0 = this$0;
+  this.key = key;
+}
+
+defineSeed(69, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
+_.getKey = function getKey_0(){
+  return this.key;
+}
+;
+_.getValue = function getValue_0(){
+  return $getStringValue(this.this$0, this.key);
+}
+;
+_.setValue = function setValue_0(object){
+  return $putStringValue(this.this$0, this.key, object);
+}
+;
+_.key = null;
+_.this$0 = null;
+function checkIndex(index, size){
+  (index < 0 || index >= size) && indexOutOfBounds(index, size);
+}
+
+function indexOutOfBounds(index, size){
+  throw new IndexOutOfBoundsException_0('Index: ' + index + ', Size: ' + size);
+}
+
+defineSeed(70, 61, makeCastMap([Q$List]));
+_.add = function add_0(obj){
+  $add(this, this.size_0(), obj);
+  return true;
+}
+;
+_.equals$ = function equals_4(o){
+  var elem, elemOther, iter, iterOther, other;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$List)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$List);
+  if (this.size_0() != other.size) {
+    return false;
+  }
+  iter = new AbstractList$IteratorImpl_0(this);
+  iterOther = new AbstractList$IteratorImpl_0(other);
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+    elem = $next(iter);
+    elemOther = $next(iterOther);
+    if (!(elem == null?elemOther == null:equals__devirtual$(elem, elemOther))) {
+      return false;
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+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_5(){
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+    k = 31 * k + (obj == null?0:hashCode__devirtual$(obj));
+    k = ~~k;
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+  return k;
+}
+;
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+}
+;
+function $hasNext(this$static){
+  return this$static.i < this$static.this$0.size;
+}
+
+function $next(this$static){
+  if (this$static.i >= this$static.this$0.size) {
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+}
+
+function AbstractList$IteratorImpl_0(this$0){
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+}
+
+defineSeed(71, 1, {}, AbstractList$IteratorImpl_0);
+_.hasNext = function hasNext_0(){
+  return $hasNext(this);
+}
+;
+_.next = function next_1(){
+  return $next(this);
+}
+;
+_.i = 0;
+_.this$0 = null;
+function $add(this$static, index, o){
+  (index < 0 || index > this$static.size) && indexOutOfBounds(index, this$static.size);
+  splice(this$static.array, index, 0, o);
+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
+
+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_1(this$static, o, index){
+  for (; index < this$static.size; ++index) {
+    if (equalsWithNullCheck(o, this$static.array[index])) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
+  this.array = initDim(_3Ljava_lang_Object_2_classLit, makeCastMap([Q$Serializable]), Q$Object, 0, 0);
+}
+
+function splice(array, index, deleteCount, value){
+  array.splice(index, deleteCount, value);
+}
+
+defineSeed(72, 70, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_1(this, o, 0) != -1;
+}
+;
+_.size_0 = function size_1(){
+  return this.size;
+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(74, 62, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(75, 68, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(76, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(78, 1, {}, ExportAllExporterImpl_0);
+defineSeed(80, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(79, 80, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 87), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 85), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 56, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 88), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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Lcom_google_gwt_core_client_Scheduler_2_classLit = createForClass('com.google.gwt.core.client.', 'Scheduler', 12, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_SchedulerImpl_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'SchedulerImpl', 14, Lcom_google_gwt_core_client_Scheduler_2_classLit), Ljava_util_AbstractMap_2_classLit = createForClass('java.util.', 'AbstractMap', 63, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap_2_classLit = createForClass('java.util.', 'AbstractHashMap', 62, Ljava_util_AbstractMap_2_classLit), Ljava_util_AbstractCollection_2_classLit = createForClass('java.util.', 'AbstractCollection', 61, Ljava_lang_Object_2_classLit), Ljava_util_AbstractSet_2_classLit = createForClass('java.util.', 'AbstractSet', 65, Ljava_util_AbstractCollection_2_classLit), Ljava_util_AbstractHashMap$EntrySet_2_classLit = createForClass('java.util.', 'AbstractHashMap$EntrySet', 64, Ljava_util_AbstractSet_2_classLit), Ljava_util_AbstractHashMap$EntrySetIterator_2_classLit = createForClass('java.util.', 'AbstractHashMap$EntrySetIterator', 66, Ljava_lang_Object_2_classLit), Ljava_util_AbstractMapEntry_2_classLit = createForClass('java.util.', 'AbstractMapEntry', 68, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap$MapEntryNull_2_classLit = createForClass('java.util.', 'AbstractHashMap$MapEntryNull', 67, Ljava_util_AbstractMapEntry_2_classLit), Ljava_util_AbstractHashMap$MapEntryString_2_classLit = createForClass('java.util.', 'AbstractHashMap$MapEntryString', 69, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_NullPointerException_2_classLit = createForClass('java.lang.', 'NullPointerException', 54, Ljava_lang_RuntimeException_2_classLit), Ljava_lang_IllegalArgumentException_2_classLit = createForClass('java.lang.', 'IllegalArgumentException', 52, Ljava_lang_RuntimeException_2_classLit), Ljava_util_HashMap_2_classLit = createForClass('java.util.', 'HashMap', 74, Ljava_util_AbstractHashMap_2_classLit), Ledu_umb_bio_jsMolCalc_client_APIExporterImpl_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'APIExporterImpl', 40, Ljava_lang_Object_2_classLit), Ljava_lang_StringBuffer_2_classLit = createForClass('java.lang.', 'StringBuffer', 58, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc', 41, Ljava_lang_Object_2_classLit), _3_3I_classLit = createForArray('', '[[I', 89), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$Atom_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$Atom', 42, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$AtomSpec_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$AtomSpec', 43, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$InfoAndTargets_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$InfoAndTargets', 44, Ljava_lang_Object_2_classLit), Ljava_util_AbstractList_2_classLit = createForClass('java.util.', 'AbstractList', 70, Ljava_util_AbstractCollection_2_classLit), Ljava_util_ArrayList_2_classLit = createForClass('java.util.', 'ArrayList', 72, Ljava_util_AbstractList_2_classLit), Ljava_util_AbstractList$IteratorImpl_2_classLit = createForClass('java.util.', 'AbstractList$IteratorImpl', 71, Ljava_lang_Object_2_classLit), Ljava_lang_UnsupportedOperationException_2_classLit = createForClass('java.lang.', 'UnsupportedOperationException', 60, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_NumberFormat_2_classLit = createForClass('com.google.gwt.i18n.client.', 'NumberFormat', 25, Ljava_lang_Object_2_classLit), Ljava_lang_NumberFormatException_2_classLit = createForClass('java.lang.', 'NumberFormatException', 55, Ljava_lang_IllegalArgumentException_2_classLit), Lcom_google_gwt_i18n_client_LocaleInfo_2_classLit = createForClass('com.google.gwt.i18n.client.', 'LocaleInfo', 24, Ljava_lang_Object_2_classLit), Ljava_util_MapEntryImpl_2_classLit = createForClass('java.util.', 'MapEntryImpl', 75, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_IndexOutOfBoundsException_2_classLit = createForClass('java.lang.', 'IndexOutOfBoundsException', 53, Ljava_lang_RuntimeException_2_classLit), Ljava_util_NoSuchElementException_2_classLit = createForClass('java.util.', 'NoSuchElementException', 76, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_constants_NumberConstantsImpl_1_2_classLit = createForClass('com.google.gwt.i18n.client.constants.', 'NumberConstantsImpl_', 26, Ljava_lang_Object_2_classLit);
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/468C0B0171166372F064D287492CBD1E.cache.html b/common/static/js/capa/jsmolcalc/468C0B0171166372F064D287492CBD1E.cache.html
new file mode 100644
index 0000000000..7c2b151277
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/468C0B0171166372F064D287492CBD1E.cache.html
@@ -0,0 +1,2659 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = '468C0B0171166372F064D287492CBD1E';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  $fillInStackTrace();
+  this.e = e;
+  $createStackTrace(this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function extractNameFromToString(fnToString){
+  var index, start, toReturn;
+  toReturn = '';
+  fnToString = $trim(fnToString);
+  index = fnToString.indexOf('(');
+  start = fnToString.indexOf('function') == 0?8:0;
+  if (index == -1) {
+    index = $indexOf(fnToString, String.fromCharCode(64));
+    start = fnToString.indexOf('function ') == 0?9:0;
+  }
+  index != -1 && (toReturn = $trim(fnToString.substr(start, index - start)));
+  return toReturn.length > 0?toReturn:'anonymous';
+}
+
+function $collect(this$static){
+  var seen = {};
+  var toReturn = [];
+  var callee = arguments.callee.caller.caller;
+  while (callee) {
+    var name_0 = this$static.extractName(callee.toString());
+    toReturn.push(name_0);
+    var keyName = ':' + name_0;
+    var withThisName = seen[keyName];
+    if (withThisName) {
+      var i, j;
+      for (i = 0 , j = withThisName.length; i < j; i++) {
+        if (withThisName[i] === callee) {
+          return toReturn;
+        }
+      }
+    }
+    (withThisName || (seen[keyName] = [])).push(callee);
+    callee = callee.caller;
+  }
+  return toReturn;
+}
+
+function $createStackTrace(e){
+  var i, j, stack, stackTrace;
+  stack = (instanceOfJso(e.e)?dynamicCastJso(e.e):null , []);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $fillInStackTrace(){
+  var i, j, stack, stackTrace;
+  stack = $collect(new StackTraceCreator$Collector_0);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function StackTraceCreator$Collector_0(){
+}
+
+defineSeed(17, 1, {}, StackTraceCreator$Collector_0);
+_.extractName = function extractName(fnToString){
+  return extractNameFromToString(fnToString);
+}
+;
+function $append(a, x){
+  a[a.explicitLength++] = x == null?'null':x;
+}
+
+function $appendNonNull(a, x){
+  a[a.explicitLength++] = x;
+}
+
+function $createData(){
+  var array = [];
+  array.explicitLength = 0;
+  return array;
+}
+
+function $replace(a, start, end, toInsert){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s.substr(0, start - 0));
+  a[a.explicitLength++] = toInsert == null?'null':toInsert;
+  $appendNonNull(a, $substring(s, end));
+}
+
+function $takeString(a){
+  var s = a.join('');
+  a.length = a.explicitLength = 0;
+  return s;
+}
+
+function $toString(a){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s);
+  return s;
+}
+
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(24, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  $append(digits.data, 'E');
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    $append(digits.data, '-');
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    $appendNonNull(digits.data, '0');
+  }
+  $append(digits.data, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.data, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt($toString(digits.data), toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt($toString(digits.data), strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.data, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && $toString(digits.data).charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    $append(buf.data, '\u221E');
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return $toString(buf.data);
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = $toString(buf.data).length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < $toString(buf.data).length && $charAt($toString(buf.data), preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += $toString(buf.data).length - preRound;
+    $delete_0(buf, preRound, $toString(buf.data).length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = $toString(buf.data).length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return $toString(buf.data);
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, $toString(affix.data).length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        $append(affix.data, "'");
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.data, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          $append(affix.data, '%');
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          $append(affix.data, '\u2030');
+          break;
+        case 45:
+          $append(affix.data, '-');
+          break;
+        default:$appendNonNull(affix.data, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = $toString(affix.data);
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = $toString(affix.data);
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = $toString(affix.data);
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = $toString(affix.data);
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        $appendNonNull(prefix.data, '0');
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, $toString(prefix.data));
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt($toString(digits.data), i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.data, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt($toString(digits.data), i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.data, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = $toString(buf.data).length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf_0($toString(buf.data), 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf_0($toString(buf.data), 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < $toString(buf.data).length && $charAt($toString(buf.data), expDigits) == 43 && ++expDigits;
+    expDigits < $toString(buf.data).length && (scale = __parseAndValidateInt($substring($toString(buf.data), expDigits)));
+    $delete_0(buf, expIdx, $toString(buf.data).length);
+  }
+  dot = $indexOf_0($toString(buf.data), '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.data, dot, dot + 1, '');
+    scale -= $toString(buf.data).length - dot;
+  }
+  return scale;
+}
+
+defineSeed(25, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(26, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(28, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('ie8', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (ie8) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+--></script>
+<script><!--
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(40, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged C atom.<br>') , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && ($append(illegalAtoms.data, 'An N atom with too high + charge.<br>') , illegalAtoms);
+      atom.charge < 0 && ($append(illegalAtoms.data, 'An N atom with - charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && ($append(illegalAtoms.data, 'An N atom making too many bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && ($append(illegalAtoms.data, 'An O atom with too high - charge.<br>') , illegalAtoms);
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An O atom with + charge.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An S atom with a + charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && ($append(illegalAtoms.data, 'An S atom not making 2, 4, or 6 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged P atom.<br>') , illegalAtoms);
+      atom.numNeighborHs != -3 && ($append(illegalAtoms.data, 'A P atom not making 5 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && ($append(illegalAtoms.data, 'An X atom.<br>') , illegalAtoms);
+  }
+  errorString = '';
+  $toString(illegalAtoms.data).length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + $toString(illegalAtoms.data) + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if ($toString(illegalAtoms.data).length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.data, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + $toString(neighbors.data) + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    $append(formula.data, '(');
+    charge == -1?($append(formula.data, '-') , formula):charge > 0 && ($append(formula.data, '+') , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.data, '' + charge) , formula);
+    $append(formula.data, ')');
+  }
+  formulaString = 'Formula: ' + $toString(formula.data);
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.data, atomLabel);
+  if (number == 1) {
+    $append(outString.data, ' ');
+    return;
+  }
+  $append(outString.data, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(41, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(42, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(43, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(44, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(45, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(46, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(48, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(49, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(52, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(53, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(54, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(55, 52, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName){
+}
+
+defineSeed(56, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str){
+  return this$static.indexOf(str);
+}
+
+function $indexOf_0(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.data, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.data = $createData();
+}
+
+defineSeed(58, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt($toString(this$static.data), index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.data, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.data, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.data, start, end, toInsert);
+  return this$static;
+}
+
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.data = $createData();
+}
+
+defineSeed(59, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(60, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(61, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+defineSeed(63, 1, makeCastMap([Q$Map]));
+--></script>
+<script><!--
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
+      }
+    }
+  }
+  return null;
+}
+
+function $getStringValue(this$static, key){
+  return this$static.stringMap[':' + key];
+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
+}
+
+function $put(this$static, key, value){
+  return !key?$putNullSlot(this$static, value):$putHashValue(this$static, key, value, ~~getHashCode(key));
+}
+
+function $putHashValue(this$static, key, value, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        var previous = entry.getValue();
+        entry.setValue(value);
+        return previous;
+      }
+    }
+  }
+   else {
+    array = this$static.hashCodeMap[hashCode] = [];
+  }
+  var entry = new MapEntryImpl_0(key, value);
+  array.push(entry);
+  ++this$static.size;
+  return null;
+}
+
+function $putNullSlot(this$static, value){
+  var result;
+  result = this$static.nullSlot;
+  this$static.nullSlot = value;
+  if (!this$static.nullSlotLive) {
+    this$static.nullSlotLive = true;
+    ++this$static.size;
+  }
+  return result;
+}
+
+function $putStringValue(this$static, key, value){
+  var result, stringMap = this$static.stringMap;
+  key = ':' + key;
+  key in stringMap?(result = stringMap[key]):++this$static.size;
+  stringMap[key] = value;
+  return result;
+}
+
+defineSeed(62, 63, makeCastMap([Q$Map]));
+_.equalsBridge = function equalsBridge(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+;
+_.hashCodeMap = null;
+_.nullSlot = null;
+_.nullSlotLive = false;
+_.size = 0;
+_.stringMap = null;
+defineSeed(65, 61, makeCastMap([Q$Set]));
+_.equals$ = function equals_2(o){
+  var iter, other, otherItem;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$Set)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$Set);
+  if (other.this$0.size != this.size_0()) {
+    return false;
+  }
+  for (iter = new AbstractHashMap$EntrySetIterator_0(other.this$0); $hasNext(iter.iter);) {
+    otherItem = dynamicCast($next(iter.iter), Q$Map$Entry);
+    if (!this.contains(otherItem)) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_3(){
+  var hashCode, iter, next;
+  hashCode = 0;
+  for (iter = this.iterator(); iter.hasNext();) {
+    next = iter.next();
+    if (next != null) {
+      hashCode += hashCode__devirtual$(next);
+      hashCode = ~~hashCode;
+    }
+  }
+  return hashCode;
+}
+;
+function AbstractHashMap$EntrySet_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(64, 65, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
+_.contains = function contains_0(o){
+  var entry, key, value;
+  if (instanceOf(o, Q$Map$Entry)) {
+    entry = dynamicCast(o, Q$Map$Entry);
+    key = entry.getKey();
+    if ($containsKey(this.this$0, key)) {
+      value = $get(this.this$0, key);
+      return $equals_0(entry.getValue(), value);
+    }
+  }
+  return false;
+}
+;
+_.iterator = function iterator(){
+  return new AbstractHashMap$EntrySetIterator_0(this.this$0);
+}
+;
+_.size_0 = function size_0(){
+  return this.this$0.size;
+}
+;
+_.this$0 = null;
+function AbstractHashMap$EntrySetIterator_0(this$0){
+  var list;
+  list = new ArrayList_0;
+  this$0.nullSlotLive && $add_0(list, new AbstractHashMap$MapEntryNull_0(this$0));
+  $addAllStringEntries(this$0, list);
+  $addAllHashEntries(this$0, list);
+  this.iter = new AbstractList$IteratorImpl_0(list);
+}
+
+defineSeed(66, 1, {}, AbstractHashMap$EntrySetIterator_0);
+_.hasNext = function hasNext(){
+  return $hasNext(this.iter);
+}
+;
+_.next = function next_0(){
+  return dynamicCast($next(this.iter), Q$Map$Entry);
+}
+;
+_.iter = null;
+defineSeed(68, 1, makeCastMap([Q$Map$Entry]));
+_.equals$ = function equals_3(other){
+  var entry;
+  if (instanceOf(other, Q$Map$Entry)) {
+    entry = dynamicCast(other, Q$Map$Entry);
+    if (equalsWithNullCheck(this.getKey(), entry.getKey()) && equalsWithNullCheck(this.getValue(), entry.getValue())) {
+      return true;
+    }
+  }
+  return false;
+}
+;
+_.hashCode$ = function hashCode_4(){
+  var keyHash, valueHash;
+  keyHash = 0;
+  valueHash = 0;
+  this.getKey() != null && (keyHash = hashCode__devirtual$(this.getKey()));
+  this.getValue() != null && (valueHash = hashCode__devirtual$(this.getValue()));
+  return keyHash ^ valueHash;
+}
+;
+function AbstractHashMap$MapEntryNull_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(67, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
+_.getKey = function getKey(){
+  return null;
+}
+;
+_.getValue = function getValue(){
+  return this.this$0.nullSlot;
+}
+;
+_.setValue = function setValue(object){
+  return $putNullSlot(this.this$0, object);
+}
+;
+_.this$0 = null;
+function AbstractHashMap$MapEntryString_0(this$0, key){
+  this.this$0 = this$0;
+  this.key = key;
+}
+
+defineSeed(69, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
+_.getKey = function getKey_0(){
+  return this.key;
+}
+;
+_.getValue = function getValue_0(){
+  return $getStringValue(this.this$0, this.key);
+}
+;
+_.setValue = function setValue_0(object){
+  return $putStringValue(this.this$0, this.key, object);
+}
+;
+_.key = null;
+_.this$0 = null;
+function checkIndex(index, size){
+  (index < 0 || index >= size) && indexOutOfBounds(index, size);
+}
+
+function indexOutOfBounds(index, size){
+  throw new IndexOutOfBoundsException_0('Index: ' + index + ', Size: ' + size);
+}
+
+defineSeed(70, 61, makeCastMap([Q$List]));
+_.add = function add_0(obj){
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+}
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+}
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+}
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+}
+;
+function $hasNext(this$static){
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+}
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+function $next(this$static){
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+}
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+function AbstractList$IteratorImpl_0(this$0){
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+}
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+defineSeed(71, 1, {}, AbstractList$IteratorImpl_0);
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+}
+;
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+}
+;
+_.i = 0;
+_.this$0 = null;
+function $add(this$static, index, o){
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+  splice(this$static.array, index, 0, o);
+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
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+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_1(this$static, o, index){
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+    if (equalsWithNullCheck(o, this$static.array[index])) {
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+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
+  this.array = initDim(_3Ljava_lang_Object_2_classLit, makeCastMap([Q$Serializable]), Q$Object, 0, 0);
+}
+
+function splice(array, index, deleteCount, value){
+  array.splice(index, deleteCount, value);
+}
+
+defineSeed(72, 70, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_1(this, o, 0) != -1;
+}
+;
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+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(74, 62, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(75, 68, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(76, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(78, 1, {}, ExportAllExporterImpl_0);
+defineSeed(80, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(79, 80, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 87), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 85), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 56, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 88), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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Lcom_google_gwt_core_client_Scheduler_2_classLit = createForClass('com.google.gwt.core.client.', 'Scheduler', 12, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_SchedulerImpl_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'SchedulerImpl', 14, Lcom_google_gwt_core_client_Scheduler_2_classLit), Ljava_util_AbstractMap_2_classLit = createForClass('java.util.', 'AbstractMap', 63, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap_2_classLit = createForClass('java.util.', 'AbstractHashMap', 62, Ljava_util_AbstractMap_2_classLit), Ljava_util_AbstractCollection_2_classLit = createForClass('java.util.', 'AbstractCollection', 61, Ljava_lang_Object_2_classLit), Ljava_util_AbstractSet_2_classLit = createForClass('java.util.', 'AbstractSet', 65, Ljava_util_AbstractCollection_2_classLit), Ljava_util_AbstractHashMap$EntrySet_2_classLit = createForClass('java.util.', 'AbstractHashMap$EntrySet', 64, Ljava_util_AbstractSet_2_classLit), 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Ljava_lang_Object_2_classLit), Ljava_util_AbstractList_2_classLit = createForClass('java.util.', 'AbstractList', 70, Ljava_util_AbstractCollection_2_classLit), Ljava_util_ArrayList_2_classLit = createForClass('java.util.', 'ArrayList', 72, Ljava_util_AbstractList_2_classLit), Ljava_util_AbstractList$IteratorImpl_2_classLit = createForClass('java.util.', 'AbstractList$IteratorImpl', 71, Ljava_lang_Object_2_classLit), Ljava_lang_UnsupportedOperationException_2_classLit = createForClass('java.lang.', 'UnsupportedOperationException', 60, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_NumberFormat_2_classLit = createForClass('com.google.gwt.i18n.client.', 'NumberFormat', 25, Ljava_lang_Object_2_classLit), Ljava_lang_NumberFormatException_2_classLit = createForClass('java.lang.', 'NumberFormatException', 55, Ljava_lang_IllegalArgumentException_2_classLit), Lcom_google_gwt_i18n_client_LocaleInfo_2_classLit = createForClass('com.google.gwt.i18n.client.', 'LocaleInfo', 24, Ljava_lang_Object_2_classLit), Ljava_util_MapEntryImpl_2_classLit = createForClass('java.util.', 'MapEntryImpl', 75, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_IndexOutOfBoundsException_2_classLit = createForClass('java.lang.', 'IndexOutOfBoundsException', 53, Ljava_lang_RuntimeException_2_classLit), Ljava_util_NoSuchElementException_2_classLit = createForClass('java.util.', 'NoSuchElementException', 76, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_constants_NumberConstantsImpl_1_2_classLit = createForClass('com.google.gwt.i18n.client.constants.', 'NumberConstantsImpl_', 26, Ljava_lang_Object_2_classLit);
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/C43483CC355E7BFB7BE2F45092922897.cache.html b/common/static/js/capa/jsmolcalc/C43483CC355E7BFB7BE2F45092922897.cache.html
new file mode 100644
index 0000000000..dbd7f2dd35
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/C43483CC355E7BFB7BE2F45092922897.cache.html
@@ -0,0 +1,2638 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = 'C43483CC355E7BFB7BE2F45092922897';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  $fillInStackTrace();
+  this.e = e;
+  $createStackTrace(this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function extractNameFromToString(fnToString){
+  var index, start, toReturn;
+  toReturn = '';
+  fnToString = $trim(fnToString);
+  index = fnToString.indexOf('(');
+  start = fnToString.indexOf('function') == 0?8:0;
+  if (index == -1) {
+    index = $indexOf(fnToString, String.fromCharCode(64));
+    start = fnToString.indexOf('function ') == 0?9:0;
+  }
+  index != -1 && (toReturn = $trim(fnToString.substr(start, index - start)));
+  return toReturn.length > 0?toReturn:'anonymous';
+}
+
+function splice(arr, length_0){
+  arr.length >= length_0 && arr.splice(0, length_0);
+  return arr;
+}
+
+function $createStackTrace(e){
+  var i, j, stack, stackTrace;
+  stack = $inferFrom(instanceOfJso(e.e)?dynamicCastJso(e.e):null);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $fillInStackTrace(){
+  var i, j, stack, stackTrace;
+  stack = splice($inferFrom($makeException()), 2);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $makeException(){
+  try {
+    null.a();
+  }
+   catch (e) {
+    return e;
+  }
+}
+
+function $inferFrom(e){
+  var i, j, stack;
+  stack = e && e.stack?e.stack.split('\n'):[];
+  for (i = 0 , j = stack.length; i < j; ++i) {
+    stack[i] = extractNameFromToString(stack[i]);
+  }
+  return stack;
+}
+
+defineSeed(19, 1, {});
+function $append(this$static, x){
+  this$static.string += x;
+}
+
+function $appendNonNull(this$static, x){
+  this$static.string += x;
+}
+
+function $replace(this$static, start, end, toInsert){
+  this$static.string = $substring_0(this$static.string, 0, start) + toInsert + $substring(this$static.string, end);
+}
+
+function StringBufferImplAppend_0(){
+}
+
+defineSeed(20, 19, {}, StringBufferImplAppend_0);
+_.string = '';
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(25, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  digits.impl.string += 'E';
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    digits.impl.string += '-';
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    digits.impl.string += '0';
+  }
+  $append(digits.impl, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.impl, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt(digits.impl.string, toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt(digits.impl.string, strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.impl, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && digits.impl.string.charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    buf.impl.string += '\u221E';
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return buf.impl.string;
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = buf.impl.string.length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < buf.impl.string.length && $charAt(buf.impl.string, preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += buf.impl.string.length - preRound;
+    $delete_0(buf, preRound, buf.impl.string.length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = buf.impl.string.length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return buf.impl.string;
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, affix.impl.string.length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        affix.impl.string += "'";
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.impl, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          affix.impl.string += '%';
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          affix.impl.string += '\u2030';
+          break;
+        case 45:
+          affix.impl.string += '-';
+          break;
+        default:$appendNonNull(affix.impl, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = affix.impl.string;
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = affix.impl.string;
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = affix.impl.string;
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = affix.impl.string;
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        prefix.impl.string += '0';
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, prefix.impl.string);
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt(digits.impl.string, i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.impl, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt(digits.impl.string, i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.impl, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = buf.impl.string.length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf_0(buf.impl.string, 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf_0(buf.impl.string, 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < buf.impl.string.length && $charAt(buf.impl.string, expDigits) == 43 && ++expDigits;
+    expDigits < buf.impl.string.length && (scale = __parseAndValidateInt($substring(buf.impl.string, expDigits)));
+    $delete_0(buf, expIdx, buf.impl.string.length);
+  }
+  dot = $indexOf_0(buf.impl.string, '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.impl, dot, dot + 1, '');
+    scale -= buf.impl.string.length - dot;
+  }
+  return scale;
+}
+
+defineSeed(26, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(27, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(29, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('gecko1_8', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (gecko1_8) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+--></script>
+<script><!--
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(41, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged C atom.<br>' , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && (illegalAtoms.impl.string += 'An N atom with too high + charge.<br>' , illegalAtoms);
+      atom.charge < 0 && (illegalAtoms.impl.string += 'An N atom with - charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && (illegalAtoms.impl.string += 'An N atom making too many bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && (illegalAtoms.impl.string += 'An O atom with too high - charge.<br>' , illegalAtoms);
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An O atom with + charge.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An S atom with a + charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && (illegalAtoms.impl.string += 'An S atom not making 2, 4, or 6 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged P atom.<br>' , illegalAtoms);
+      atom.numNeighborHs != -3 && (illegalAtoms.impl.string += 'A P atom not making 5 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && (illegalAtoms.impl.string += 'An X atom.<br>' , illegalAtoms);
+  }
+  errorString = '';
+  illegalAtoms.impl.string.length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + illegalAtoms.impl.string + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if (illegalAtoms.impl.string.length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.impl, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + neighbors.impl.string + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    formula.impl.string += '(';
+    charge == -1?(formula.impl.string += '-' , formula):charge > 0 && (formula.impl.string += '+' , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.impl, '' + charge) , formula);
+    formula.impl.string += ')';
+  }
+  formulaString = 'Formula: ' + formula.impl.string;
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.impl, atomLabel);
+  if (number == 1) {
+    outString.impl.string += ' ';
+    return;
+  }
+  $append(outString.impl, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(42, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(43, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(44, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(45, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(46, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(47, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(49, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(50, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(53, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(54, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(55, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(56, 53, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName){
+}
+
+defineSeed(57, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str){
+  return this$static.indexOf(str);
+}
+
+function $indexOf_0(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $substring_0(this$static, beginIndex, endIndex){
+  return this$static.substr(beginIndex, endIndex - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.impl, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(59, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt(this$static.impl.string, index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.impl, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.impl, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.impl, start, end, toInsert);
+  return this$static;
+}
+
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(60, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(61, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(62, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+--></script>
+<script><!--
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+defineSeed(64, 1, makeCastMap([Q$Map]));
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
+      }
+    }
+  }
+  return null;
+}
+
+function $getStringValue(this$static, key){
+  return this$static.stringMap[':' + key];
+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
+}
+
+function $put(this$static, key, value){
+  return !key?$putNullSlot(this$static, value):$putHashValue(this$static, key, value, ~~getHashCode(key));
+}
+
+function $putHashValue(this$static, key, value, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        var previous = entry.getValue();
+        entry.setValue(value);
+        return previous;
+      }
+    }
+  }
+   else {
+    array = this$static.hashCodeMap[hashCode] = [];
+  }
+  var entry = new MapEntryImpl_0(key, value);
+  array.push(entry);
+  ++this$static.size;
+  return null;
+}
+
+function $putNullSlot(this$static, value){
+  var result;
+  result = this$static.nullSlot;
+  this$static.nullSlot = value;
+  if (!this$static.nullSlotLive) {
+    this$static.nullSlotLive = true;
+    ++this$static.size;
+  }
+  return result;
+}
+
+function $putStringValue(this$static, key, value){
+  var result, stringMap = this$static.stringMap;
+  key = ':' + key;
+  key in stringMap?(result = stringMap[key]):++this$static.size;
+  stringMap[key] = value;
+  return result;
+}
+
+defineSeed(63, 64, makeCastMap([Q$Map]));
+_.equalsBridge = function equalsBridge(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+;
+_.hashCodeMap = null;
+_.nullSlot = null;
+_.nullSlotLive = false;
+_.size = 0;
+_.stringMap = null;
+defineSeed(66, 62, makeCastMap([Q$Set]));
+_.equals$ = function equals_2(o){
+  var iter, other, otherItem;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$Set)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$Set);
+  if (other.this$0.size != this.size_0()) {
+    return false;
+  }
+  for (iter = new AbstractHashMap$EntrySetIterator_0(other.this$0); $hasNext(iter.iter);) {
+    otherItem = dynamicCast($next(iter.iter), Q$Map$Entry);
+    if (!this.contains(otherItem)) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_3(){
+  var hashCode, iter, next;
+  hashCode = 0;
+  for (iter = this.iterator(); iter.hasNext();) {
+    next = iter.next();
+    if (next != null) {
+      hashCode += hashCode__devirtual$(next);
+      hashCode = ~~hashCode;
+    }
+  }
+  return hashCode;
+}
+;
+function AbstractHashMap$EntrySet_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(65, 66, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
+_.contains = function contains_0(o){
+  var entry, key, value;
+  if (instanceOf(o, Q$Map$Entry)) {
+    entry = dynamicCast(o, Q$Map$Entry);
+    key = entry.getKey();
+    if ($containsKey(this.this$0, key)) {
+      value = $get(this.this$0, key);
+      return $equals_0(entry.getValue(), value);
+    }
+  }
+  return false;
+}
+;
+_.iterator = function iterator(){
+  return new AbstractHashMap$EntrySetIterator_0(this.this$0);
+}
+;
+_.size_0 = function size_0(){
+  return this.this$0.size;
+}
+;
+_.this$0 = null;
+function AbstractHashMap$EntrySetIterator_0(this$0){
+  var list;
+  list = new ArrayList_0;
+  this$0.nullSlotLive && $add_0(list, new AbstractHashMap$MapEntryNull_0(this$0));
+  $addAllStringEntries(this$0, list);
+  $addAllHashEntries(this$0, list);
+  this.iter = new AbstractList$IteratorImpl_0(list);
+}
+
+defineSeed(67, 1, {}, AbstractHashMap$EntrySetIterator_0);
+_.hasNext = function hasNext(){
+  return $hasNext(this.iter);
+}
+;
+_.next = function next_0(){
+  return dynamicCast($next(this.iter), Q$Map$Entry);
+}
+;
+_.iter = null;
+defineSeed(69, 1, makeCastMap([Q$Map$Entry]));
+_.equals$ = function equals_3(other){
+  var entry;
+  if (instanceOf(other, Q$Map$Entry)) {
+    entry = dynamicCast(other, Q$Map$Entry);
+    if (equalsWithNullCheck(this.getKey(), entry.getKey()) && equalsWithNullCheck(this.getValue(), entry.getValue())) {
+      return true;
+    }
+  }
+  return false;
+}
+;
+_.hashCode$ = function hashCode_4(){
+  var keyHash, valueHash;
+  keyHash = 0;
+  valueHash = 0;
+  this.getKey() != null && (keyHash = hashCode__devirtual$(this.getKey()));
+  this.getValue() != null && (valueHash = hashCode__devirtual$(this.getValue()));
+  return keyHash ^ valueHash;
+}
+;
+function AbstractHashMap$MapEntryNull_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(68, 69, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
+_.getKey = function getKey(){
+  return null;
+}
+;
+_.getValue = function getValue(){
+  return this.this$0.nullSlot;
+}
+;
+_.setValue = function setValue(object){
+  return $putNullSlot(this.this$0, object);
+}
+;
+_.this$0 = null;
+function AbstractHashMap$MapEntryString_0(this$0, key){
+  this.this$0 = this$0;
+  this.key = key;
+}
+
+defineSeed(70, 69, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
+_.getKey = function getKey_0(){
+  return this.key;
+}
+;
+_.getValue = function getValue_0(){
+  return $getStringValue(this.this$0, this.key);
+}
+;
+_.setValue = function setValue_0(object){
+  return $putStringValue(this.this$0, this.key, object);
+}
+;
+_.key = null;
+_.this$0 = null;
+function checkIndex(index, size){
+  (index < 0 || index >= size) && indexOutOfBounds(index, size);
+}
+
+function indexOutOfBounds(index, size){
+  throw new IndexOutOfBoundsException_0('Index: ' + index + ', Size: ' + size);
+}
+
+defineSeed(71, 62, makeCastMap([Q$List]));
+_.add = function add_0(obj){
+  $add(this, this.size_0(), obj);
+  return true;
+}
+;
+_.equals$ = function equals_4(o){
+  var elem, elemOther, iter, iterOther, other;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$List)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$List);
+  if (this.size_0() != other.size) {
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+    elemOther = $next(iterOther);
+    if (!(elem == null?elemOther == null:equals__devirtual$(elem, elemOther))) {
+      return false;
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+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_5(){
+  var iter, k, obj;
+  k = 1;
+  iter = new AbstractList$IteratorImpl_0(this);
+  while (iter.i < iter.this$0.size) {
+    obj = $next(iter);
+    k = 31 * k + (obj == null?0:hashCode__devirtual$(obj));
+    k = ~~k;
+  }
+  return k;
+}
+;
+_.iterator = function iterator_0(){
+  return new AbstractList$IteratorImpl_0(this);
+}
+;
+function $hasNext(this$static){
+  return this$static.i < this$static.this$0.size;
+}
+
+function $next(this$static){
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+    throw new NoSuchElementException_0;
+  }
+  return $get_0(this$static.this$0, this$static.i++);
+}
+
+function AbstractList$IteratorImpl_0(this$0){
+  this.this$0 = this$0;
+}
+
+defineSeed(72, 1, {}, AbstractList$IteratorImpl_0);
+_.hasNext = function hasNext_0(){
+  return $hasNext(this);
+}
+;
+_.next = function next_1(){
+  return $next(this);
+}
+;
+_.i = 0;
+_.this$0 = null;
+function $add(this$static, index, o){
+  (index < 0 || index > this$static.size) && indexOutOfBounds(index, this$static.size);
+  splice_0(this$static.array, index, 0, o);
+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
+
+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_1(this$static, o, index){
+  for (; index < this$static.size; ++index) {
+    if (equalsWithNullCheck(o, this$static.array[index])) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
+  this.array = initDim(_3Ljava_lang_Object_2_classLit, makeCastMap([Q$Serializable]), Q$Object, 0, 0);
+}
+
+function splice_0(array, index, deleteCount, value){
+  array.splice(index, deleteCount, value);
+}
+
+defineSeed(73, 71, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_1(this, o, 0) != -1;
+}
+;
+_.size_0 = function size_1(){
+  return this.size;
+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(75, 63, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(76, 69, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(77, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(79, 1, {}, ExportAllExporterImpl_0);
+defineSeed(81, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(80, 81, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 88), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 86), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 57, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 89), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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Lcom_google_gwt_core_client_impl_StringBufferImplAppend_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StringBufferImplAppend', 20, Lcom_google_gwt_core_client_impl_StringBufferImpl_2_classLit), Lcom_google_gwt_core_client_Scheduler_2_classLit = createForClass('com.google.gwt.core.client.', 'Scheduler', 12, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_SchedulerImpl_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'SchedulerImpl', 14, Lcom_google_gwt_core_client_Scheduler_2_classLit), Ljava_util_AbstractMap_2_classLit = createForClass('java.util.', 'AbstractMap', 64, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap_2_classLit = createForClass('java.util.', 'AbstractHashMap', 63, Ljava_util_AbstractMap_2_classLit), Ljava_util_AbstractCollection_2_classLit = createForClass('java.util.', 'AbstractCollection', 62, Ljava_lang_Object_2_classLit), Ljava_util_AbstractSet_2_classLit = createForClass('java.util.', 'AbstractSet', 66, Ljava_util_AbstractCollection_2_classLit), Ljava_util_AbstractHashMap$EntrySet_2_classLit = createForClass('java.util.', 'AbstractHashMap$EntrySet', 65, Ljava_util_AbstractSet_2_classLit), Ljava_util_AbstractHashMap$EntrySetIterator_2_classLit = createForClass('java.util.', 'AbstractHashMap$EntrySetIterator', 67, Ljava_lang_Object_2_classLit), Ljava_util_AbstractMapEntry_2_classLit = createForClass('java.util.', 'AbstractMapEntry', 69, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap$MapEntryNull_2_classLit = createForClass('java.util.', 'AbstractHashMap$MapEntryNull', 68, Ljava_util_AbstractMapEntry_2_classLit), Ljava_util_AbstractHashMap$MapEntryString_2_classLit = createForClass('java.util.', 'AbstractHashMap$MapEntryString', 70, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_NullPointerException_2_classLit = createForClass('java.lang.', 'NullPointerException', 55, Ljava_lang_RuntimeException_2_classLit), Ljava_lang_IllegalArgumentException_2_classLit = createForClass('java.lang.', 'IllegalArgumentException', 53, Ljava_lang_RuntimeException_2_classLit), Ljava_util_HashMap_2_classLit = createForClass('java.util.', 'HashMap', 75, Ljava_util_AbstractHashMap_2_classLit), Ledu_umb_bio_jsMolCalc_client_APIExporterImpl_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'APIExporterImpl', 41, Ljava_lang_Object_2_classLit), Ljava_lang_StringBuffer_2_classLit = createForClass('java.lang.', 'StringBuffer', 59, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc', 42, Ljava_lang_Object_2_classLit), _3_3I_classLit = createForArray('', '[[I', 90), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$Atom_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$Atom', 43, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$AtomSpec_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$AtomSpec', 44, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$InfoAndTargets_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$InfoAndTargets', 45, Ljava_lang_Object_2_classLit), Ljava_util_AbstractList_2_classLit = createForClass('java.util.', 'AbstractList', 71, Ljava_util_AbstractCollection_2_classLit), Ljava_util_ArrayList_2_classLit = createForClass('java.util.', 'ArrayList', 73, Ljava_util_AbstractList_2_classLit), Ljava_util_AbstractList$IteratorImpl_2_classLit = createForClass('java.util.', 'AbstractList$IteratorImpl', 72, Ljava_lang_Object_2_classLit), Ljava_lang_UnsupportedOperationException_2_classLit = createForClass('java.lang.', 'UnsupportedOperationException', 61, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_NumberFormat_2_classLit = createForClass('com.google.gwt.i18n.client.', 'NumberFormat', 26, Ljava_lang_Object_2_classLit), Ljava_lang_NumberFormatException_2_classLit = createForClass('java.lang.', 'NumberFormatException', 56, Ljava_lang_IllegalArgumentException_2_classLit), Lcom_google_gwt_i18n_client_LocaleInfo_2_classLit = createForClass('com.google.gwt.i18n.client.', 'LocaleInfo', 25, Ljava_lang_Object_2_classLit), Ljava_util_MapEntryImpl_2_classLit = createForClass('java.util.', 'MapEntryImpl', 76, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_IndexOutOfBoundsException_2_classLit = createForClass('java.lang.', 'IndexOutOfBoundsException', 54, Ljava_lang_RuntimeException_2_classLit), Ljava_util_NoSuchElementException_2_classLit = createForClass('java.util.', 'NoSuchElementException', 77, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_constants_NumberConstantsImpl_1_2_classLit = createForClass('com.google.gwt.i18n.client.constants.', 'NumberConstantsImpl_', 27, Ljava_lang_Object_2_classLit);
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/E38BF09B489084CBFD0BF2CB8A77BFAC.cache.html b/common/static/js/capa/jsmolcalc/E38BF09B489084CBFD0BF2CB8A77BFAC.cache.html
new file mode 100644
index 0000000000..b8cf726023
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/E38BF09B489084CBFD0BF2CB8A77BFAC.cache.html
@@ -0,0 +1,2788 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = 'E38BF09B489084CBFD0BF2CB8A77BFAC';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+function RuntimeException_0(){
+  $fillInStackTrace($clinit_StackTraceCreator$CollectorChrome());
+}
+
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  RuntimeException_0.call(this);
+  this.e = e;
+  $createStackTrace(new StackTraceCreator$CollectorChromeNoSourceMap_0, this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function extractNameFromToString(fnToString){
+  var index, start, toReturn;
+  toReturn = '';
+  fnToString = $trim(fnToString);
+  index = fnToString.indexOf('(');
+  start = fnToString.indexOf('function') == 0?8:0;
+  if (index == -1) {
+    index = $indexOf(fnToString, fromCodePoint(64));
+    start = fnToString.indexOf('function ') == 0?9:0;
+  }
+  index != -1 && (toReturn = $trim(fnToString.substr(start, index - start)));
+  return toReturn.length > 0?toReturn:'anonymous';
+}
+
+function parseInt_0(number){
+  return parseInt(number) || -1;
+}
+
+function splice(arr, length_0){
+  arr.length >= length_0 && arr.splice(0, length_0);
+  return arr;
+}
+
+function $makeException(){
+  try {
+    null.a();
+  }
+   catch (e) {
+    return e;
+  }
+}
+
+function StackTraceCreator$Collector_0(){
+}
+
+defineSeed(17, 1, {}, StackTraceCreator$Collector_0);
+_.collect = function collect(){
+  var seen = {};
+  var toReturn = [];
+  var callee = arguments.callee.caller.caller;
+  while (callee) {
+    var name_0 = this.extractName(callee.toString());
+    toReturn.push(name_0);
+    var keyName = ':' + name_0;
+    var withThisName = seen[keyName];
+    if (withThisName) {
+      var i, j;
+      for (i = 0 , j = withThisName.length; i < j; i++) {
+        if (withThisName[i] === callee) {
+          return toReturn;
+        }
+      }
+    }
+    (withThisName || (seen[keyName] = [])).push(callee);
+    callee = callee.caller;
+  }
+  return toReturn;
+}
+;
+_.extractName = function extractName(fnToString){
+  return extractNameFromToString(fnToString);
+}
+;
+_.inferFrom = function inferFrom(e){
+  return [];
+}
+;
+function $inferFrom(this$static, e){
+  var i, j, stack;
+  stack = e && e.stack?e.stack.split('\n'):[];
+  for (i = 0 , j = stack.length; i < j; ++i) {
+    stack[i] = this$static.extractName(stack[i]);
+  }
+  return stack;
+}
+
+defineSeed(19, 17, {});
+_.collect = function collect_0(){
+  return splice(this.inferFrom($makeException()), this.toSplice());
+}
+;
+_.inferFrom = function inferFrom_0(e){
+  return $inferFrom(this, e);
+}
+;
+_.toSplice = function toSplice(){
+  return 2;
+}
+;
+function $clinit_StackTraceCreator$CollectorChrome(){
+  $clinit_StackTraceCreator$CollectorChrome = nullMethod;
+  Error.stackTraceLimit = 128;
+}
+
+function $collect(this$static){
+  var res;
+  res = splice($inferFrom_0(this$static, $makeException()), 3);
+  res.length == 0 && (res = splice((new StackTraceCreator$Collector_0).collect(), 1));
+  return res;
+}
+
+function $createStackTrace(this$static, e){
+  var stack;
+  stack = $inferFrom_0(this$static, instanceOfJso(e.e)?dynamicCastJso(e.e):null);
+  $parseStackTrace(stack);
+}
+
+function $fillInStackTrace(){
+  var stack;
+  stack = $collect(new StackTraceCreator$CollectorChromeNoSourceMap_0);
+  $parseStackTrace(stack);
+}
+
+function $inferFrom_0(this$static, e){
+  var stack;
+  stack = $inferFrom(this$static, e);
+  return stack.length == 0?(new StackTraceCreator$Collector_0).inferFrom(e):splice(stack, 1);
+}
+
+function $parseStackTrace(stack){
+  var col, endFileUrl, fileName, i, j, lastColon, location_0, stackElements, stackTrace;
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackElements = $split(stack[i], '@@', 0);
+    col = -1;
+    fileName = 'Unknown';
+    if (stackElements.length == 2 && stackElements[1] != null) {
+      location_0 = stackElements[1];
+      lastColon = $lastIndexOf(location_0, fromCodePoint(58));
+      endFileUrl = $lastIndexOf_0(location_0, fromCodePoint(58), lastColon - 1);
+      fileName = location_0.substr(0, endFileUrl - 0);
+      if (lastColon != -1 && endFileUrl != -1) {
+        parseInt_0(location_0.substr(endFileUrl + 1, lastColon - (endFileUrl + 1)));
+        col = parseInt_0($substring(location_0, lastColon + 1));
+      }
+    }
+    stackTrace[i] = new StackTraceElement_0(stackElements[0], fileName + '@' + col);
+  }
+  $setStackTrace(stackTrace);
+}
+
+defineSeed(18, 19, {});
+_.collect = function collect_1(){
+  return $collect(this);
+}
+;
+_.extractName = function extractName_0(fnToString){
+  var closeParen, index, location_0, toReturn;
+  if (fnToString.length == 0) {
+    return 'anonymous';
+  }
+  toReturn = $trim(fnToString);
+  toReturn.indexOf('at ') == 0 && (toReturn = $substring(toReturn, 3));
+  index = toReturn.indexOf('[');
+  index != -1 && (toReturn = $trim(toReturn.substr(0, index - 0)) + $trim($substring(toReturn, toReturn.indexOf(']', index) + 1)));
+  index = toReturn.indexOf('(');
+  if (index == -1) {
+    location_0 = toReturn;
+    toReturn = '';
+  }
+   else {
+    closeParen = toReturn.indexOf(')', index);
+    location_0 = toReturn.substr(index + 1, closeParen - (index + 1));
+    toReturn = $trim(toReturn.substr(0, index - 0));
+  }
+  index = $indexOf(toReturn, fromCodePoint(46));
+  index != -1 && (toReturn = $substring(toReturn, index + 1));
+  return (toReturn.length > 0?toReturn:'anonymous') + '@@' + location_0;
+}
+;
+_.inferFrom = function inferFrom_1(e){
+  return $inferFrom_0(this, e);
+}
+;
+_.toSplice = function toSplice_0(){
+  return 3;
+}
+;
+function StackTraceCreator$CollectorChromeNoSourceMap_0(){
+  $clinit_StackTraceCreator$CollectorChrome();
+}
+
+defineSeed(20, 18, {}, StackTraceCreator$CollectorChromeNoSourceMap_0);
+defineSeed(21, 1, {});
+function $append(this$static, x){
+  this$static.string += x;
+}
+
+function $appendNonNull(this$static, x){
+  this$static.string += x;
+}
+
+function $replace(this$static, start, end, toInsert){
+  this$static.string = $substring_0(this$static.string, 0, start) + toInsert + $substring(this$static.string, end);
+}
+
+function StringBufferImplAppend_0(){
+}
+
+defineSeed(22, 21, {}, StringBufferImplAppend_0);
+_.string = '';
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(27, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  digits.impl.string += 'E';
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    digits.impl.string += '-';
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    digits.impl.string += '0';
+  }
+  $append(digits.impl, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.impl, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt(digits.impl.string, toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt(digits.impl.string, strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.impl, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && digits.impl.string.charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    buf.impl.string += '\u221E';
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return buf.impl.string;
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = buf.impl.string.length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < buf.impl.string.length && $charAt(buf.impl.string, preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += buf.impl.string.length - preRound;
+    $delete_0(buf, preRound, buf.impl.string.length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = buf.impl.string.length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return buf.impl.string;
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, affix.impl.string.length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        affix.impl.string += "'";
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.impl, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          affix.impl.string += '%';
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          affix.impl.string += '\u2030';
+          break;
+        case 45:
+          affix.impl.string += '-';
+          break;
+        default:$appendNonNull(affix.impl, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = affix.impl.string;
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = affix.impl.string;
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = affix.impl.string;
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = affix.impl.string;
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        prefix.impl.string += '0';
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, prefix.impl.string);
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt(digits.impl.string, i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.impl, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt(digits.impl.string, i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.impl, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = buf.impl.string.length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf_0(buf.impl.string, 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf_0(buf.impl.string, 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < buf.impl.string.length && $charAt(buf.impl.string, expDigits) == 43 && ++expDigits;
+    expDigits < buf.impl.string.length && (scale = __parseAndValidateInt($substring(buf.impl.string, expDigits)));
+    $delete_0(buf, expIdx, buf.impl.string.length);
+  }
+  dot = $indexOf_0(buf.impl.string, '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.impl, dot, dot + 1, '');
+    scale -= buf.impl.string.length - dot;
+  }
+  return scale;
+}
+
+defineSeed(28, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(29, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(31, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+--></script>
+<script><!--
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('safari', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (safari) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(43, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged C atom.<br>' , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && (illegalAtoms.impl.string += 'An N atom with too high + charge.<br>' , illegalAtoms);
+      atom.charge < 0 && (illegalAtoms.impl.string += 'An N atom with - charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && (illegalAtoms.impl.string += 'An N atom making too many bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && (illegalAtoms.impl.string += 'An O atom with too high - charge.<br>' , illegalAtoms);
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An O atom with + charge.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An S atom with a + charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && (illegalAtoms.impl.string += 'An S atom not making 2, 4, or 6 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged P atom.<br>' , illegalAtoms);
+      atom.numNeighborHs != -3 && (illegalAtoms.impl.string += 'A P atom not making 5 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && (illegalAtoms.impl.string += 'An X atom.<br>' , illegalAtoms);
+  }
+  errorString = '';
+  illegalAtoms.impl.string.length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + illegalAtoms.impl.string + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if (illegalAtoms.impl.string.length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.impl, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + neighbors.impl.string + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    formula.impl.string += '(';
+    charge == -1?(formula.impl.string += '-' , formula):charge > 0 && (formula.impl.string += '+' , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.impl, '' + charge) , formula);
+    formula.impl.string += ')';
+  }
+  formulaString = 'Formula: ' + formula.impl.string;
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.impl, atomLabel);
+  if (number == 1) {
+    outString.impl.string += ' ';
+    return;
+  }
+  $append(outString.impl, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(44, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(45, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(46, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(47, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(48, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  RuntimeException_0.call(this);
+}
+
+defineSeed(49, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(51, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  RuntimeException_0.call(this);
+}
+
+defineSeed(52, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace($clinit_StackTraceCreator$CollectorChrome());
+}
+
+defineSeed(55, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace($clinit_StackTraceCreator$CollectorChrome());
+}
+
+defineSeed(56, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  RuntimeException_0.call(this);
+}
+
+defineSeed(57, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace($clinit_StackTraceCreator$CollectorChrome());
+}
+
+defineSeed(58, 55, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName, fileName){
+}
+
+defineSeed(59, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str){
+  return this$static.indexOf(str);
+}
+
+function $indexOf_0(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $lastIndexOf(this$static, str){
+  return this$static.lastIndexOf(str);
+}
+
+function $lastIndexOf_0(this$static, str, start){
+  return this$static.lastIndexOf(str, start);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $substring_0(this$static, beginIndex, endIndex){
+  return this$static.substr(beginIndex, endIndex - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+function fromCodePoint(codePoint){
+  var hiSurrogate, loSurrogate;
+  if (codePoint >= 65536) {
+    hiSurrogate = 55296 + (~~(codePoint - 65536) >> 10 & 1023) & 65535;
+    loSurrogate = 56320 + (codePoint - 65536 & 1023) & 65535;
+    return String.fromCharCode(hiSurrogate) + String.fromCharCode(loSurrogate);
+  }
+   else {
+    return String.fromCharCode(codePoint & 65535);
+  }
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.impl, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(61, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt(this$static.impl.string, index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.impl, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.impl, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.impl, start, end, toInsert);
+  return this$static;
+}
+
+--></script>
+<script><!--
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(62, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace($clinit_StackTraceCreator$CollectorChrome());
+}
+
+defineSeed(63, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(64, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+defineSeed(66, 1, makeCastMap([Q$Map]));
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
+      }
+    }
+  }
+  return null;
+}
+
+function $getStringValue(this$static, key){
+  return this$static.stringMap[':' + key];
+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
+}
+
+function $put(this$static, key, value){
+  return !key?$putNullSlot(this$static, value):$putHashValue(this$static, key, value, ~~getHashCode(key));
+}
+
+function $putHashValue(this$static, key, value, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        var previous = entry.getValue();
+        entry.setValue(value);
+        return previous;
+      }
+    }
+  }
+   else {
+    array = this$static.hashCodeMap[hashCode] = [];
+  }
+  var entry = new MapEntryImpl_0(key, value);
+  array.push(entry);
+  ++this$static.size;
+  return null;
+}
+
+function $putNullSlot(this$static, value){
+  var result;
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+  this$static.nullSlot = value;
+  if (!this$static.nullSlotLive) {
+    this$static.nullSlotLive = true;
+    ++this$static.size;
+  }
+  return result;
+}
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+function $putStringValue(this$static, key, value){
+  var result, stringMap = this$static.stringMap;
+  key = ':' + key;
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+  stringMap[key] = value;
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+}
+
+defineSeed(65, 66, makeCastMap([Q$Map]));
+_.equalsBridge = function equalsBridge(value1, value2){
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+}
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+defineSeed(68, 64, makeCastMap([Q$Set]));
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+  if (o === this) {
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+}
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+}
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+}
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+defineSeed(67, 68, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
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+}
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+}
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+}
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+}
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+defineSeed(69, 1, {}, AbstractHashMap$EntrySetIterator_0);
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+}
+;
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+}
+;
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+defineSeed(71, 1, makeCastMap([Q$Map$Entry]));
+_.equals$ = function equals_3(other){
+  var entry;
+  if (instanceOf(other, Q$Map$Entry)) {
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+    }
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+  return false;
+}
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+  this.getValue() != null && (valueHash = hashCode__devirtual$(this.getValue()));
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+}
+;
+function AbstractHashMap$MapEntryNull_0(this$0){
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+}
+
+defineSeed(70, 71, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
+_.getKey = function getKey(){
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+}
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+}
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+}
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+}
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+defineSeed(72, 71, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
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+}
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+}
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+}
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+}
+
+function indexOutOfBounds(index, size){
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+}
+
+defineSeed(73, 64, makeCastMap([Q$List]));
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+  return true;
+}
+;
+_.equals$ = function equals_4(o){
+  var elem, elemOther, iter, iterOther, other;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$List)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$List);
+  if (this.size_0() != other.size) {
+    return false;
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+    elemOther = $next(iterOther);
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+      return false;
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+  return true;
+}
+;
+_.hashCode$ = function hashCode_5(){
+  var iter, k, obj;
+  k = 1;
+  iter = new AbstractList$IteratorImpl_0(this);
+  while (iter.i < iter.this$0.size) {
+    obj = $next(iter);
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+  return k;
+}
+;
+_.iterator = function iterator_0(){
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+}
+;
+function $hasNext(this$static){
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+}
+
+function $next(this$static){
+  if (this$static.i >= this$static.this$0.size) {
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+}
+
+function AbstractList$IteratorImpl_0(this$0){
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+}
+
+defineSeed(74, 1, {}, AbstractList$IteratorImpl_0);
+_.hasNext = function hasNext_0(){
+  return $hasNext(this);
+}
+;
+_.next = function next_1(){
+  return $next(this);
+}
+;
+_.i = 0;
+_.this$0 = null;
+function $add(this$static, index, o){
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+  splice_0(this$static.array, index, 0, o);
+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
+
+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_1(this$static, o, index){
+  for (; index < this$static.size; ++index) {
+    if (equalsWithNullCheck(o, this$static.array[index])) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
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+}
+
+function splice_0(array, index, deleteCount, value){
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+}
+
+defineSeed(75, 73, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_1(this, o, 0) != -1;
+}
+;
+_.size_0 = function size_1(){
+  return this.size;
+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(77, 65, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(78, 71, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  RuntimeException_0.call(this);
+}
+
+defineSeed(79, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(81, 1, {}, ExportAllExporterImpl_0);
+defineSeed(83, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(82, 83, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 90), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 88), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 59, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 91), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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createForClass('com.google.gwt.core.client.', 'JavaScriptException', 5, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_core_client_impl_StringBufferImpl_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StringBufferImpl', 21, Ljava_lang_Object_2_classLit), Lorg_timepedia_exporter_client_ExporterBaseImpl_2_classLit = createForClass('org.timepedia.exporter.client.', 'ExporterBaseImpl', 83, Ljava_lang_Object_2_classLit), Lorg_timepedia_exporter_client_ExporterBaseActual_2_classLit = createForClass('org.timepedia.exporter.client.', 'ExporterBaseActual', 82, Lorg_timepedia_exporter_client_ExporterBaseImpl_2_classLit), Lorg_timepedia_exporter_client_Exportable_2_classLit = createForInterface('org.timepedia.exporter.client.', 'Exportable'), Lorg_timepedia_exporter_client_ExportAllExporterImpl_2_classLit = createForClass('org.timepedia.exporter.client.', 'ExportAllExporterImpl', 81, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_StackTraceCreator$Collector_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StackTraceCreator$Collector', 17, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorMoz_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StackTraceCreator$CollectorMoz', 19, Lcom_google_gwt_core_client_impl_StackTraceCreator$Collector_2_classLit), Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorChrome_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StackTraceCreator$CollectorChrome', 18, Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorMoz_2_classLit), Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorChromeNoSourceMap_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StackTraceCreator$CollectorChromeNoSourceMap', 20, Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorChrome_2_classLit), Lcom_google_gwt_core_client_impl_StringBufferImplAppend_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'StringBufferImplAppend', 22, Lcom_google_gwt_core_client_impl_StringBufferImpl_2_classLit), Lcom_google_gwt_core_client_Scheduler_2_classLit = createForClass('com.google.gwt.core.client.', 'Scheduler', 12, Ljava_lang_Object_2_classLit), Lcom_google_gwt_core_client_impl_SchedulerImpl_2_classLit = createForClass('com.google.gwt.core.client.impl.', 'SchedulerImpl', 14, Lcom_google_gwt_core_client_Scheduler_2_classLit), Ljava_util_AbstractMap_2_classLit = createForClass('java.util.', 'AbstractMap', 66, Ljava_lang_Object_2_classLit), Ljava_util_AbstractHashMap_2_classLit = createForClass('java.util.', 'AbstractHashMap', 65, Ljava_util_AbstractMap_2_classLit), Ljava_util_AbstractCollection_2_classLit = createForClass('java.util.', 'AbstractCollection', 64, Ljava_lang_Object_2_classLit), Ljava_util_AbstractSet_2_classLit = createForClass('java.util.', 'AbstractSet', 68, 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createForClass('java.lang.', 'IllegalArgumentException', 55, Ljava_lang_RuntimeException_2_classLit), Ljava_util_HashMap_2_classLit = createForClass('java.util.', 'HashMap', 77, Ljava_util_AbstractHashMap_2_classLit), Ledu_umb_bio_jsMolCalc_client_APIExporterImpl_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'APIExporterImpl', 43, Ljava_lang_Object_2_classLit), Ljava_lang_StringBuffer_2_classLit = createForClass('java.lang.', 'StringBuffer', 61, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc', 44, Ljava_lang_Object_2_classLit), _3_3I_classLit = createForArray('', '[[I', 92), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$Atom_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$Atom', 45, Ljava_lang_Object_2_classLit), Ledu_umb_bio_jsMolCalc_client_JsMolCalc$AtomSpec_2_classLit = createForClass('edu.umb.bio.jsMolCalc.client.', 'JsMolCalc$AtomSpec', 46, 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'NumberFormatException', 58, Ljava_lang_IllegalArgumentException_2_classLit), Lcom_google_gwt_i18n_client_LocaleInfo_2_classLit = createForClass('com.google.gwt.i18n.client.', 'LocaleInfo', 27, Ljava_lang_Object_2_classLit), Ljava_util_MapEntryImpl_2_classLit = createForClass('java.util.', 'MapEntryImpl', 78, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_IndexOutOfBoundsException_2_classLit = createForClass('java.lang.', 'IndexOutOfBoundsException', 56, Ljava_lang_RuntimeException_2_classLit), Ljava_util_NoSuchElementException_2_classLit = createForClass('java.util.', 'NoSuchElementException', 79, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_constants_NumberConstantsImpl_1_2_classLit = createForClass('com.google.gwt.i18n.client.constants.', 'NumberConstantsImpl_', 29, Ljava_lang_Object_2_classLit);
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/E8EDF03FE9C26D69E2C7DB17E15CF0ED.cache.html b/common/static/js/capa/jsmolcalc/E8EDF03FE9C26D69E2C7DB17E15CF0ED.cache.html
new file mode 100644
index 0000000000..5255e0e552
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/E8EDF03FE9C26D69E2C7DB17E15CF0ED.cache.html
@@ -0,0 +1,2631 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = 'E8EDF03FE9C26D69E2C7DB17E15CF0ED';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  $fillInStackTrace();
+  this.e = e;
+  $createStackTrace(this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function splice(arr, length_0){
+  arr.length >= length_0 && arr.splice(0, length_0);
+  return arr;
+}
+
+function $createStackTrace(e){
+  var i, j, stack, stackTrace;
+  stack = $inferFrom(instanceOfJso(e.e)?dynamicCastJso(e.e):null);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $fillInStackTrace(){
+  var i, j, stack, stackTrace;
+  stack = splice($inferFrom($makeException()), 3);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $makeException(){
+  try {
+    null.a();
+  }
+   catch (e) {
+    return e;
+  }
+}
+
+function $inferFrom(e){
+  var i, j, stack;
+  stack = $getStack(e);
+  for (i = 0 , j = stack.length; i < j; ++i) {
+    stack[i] = stack[i].length == 0?'anonymous':stack[i];
+  }
+  return stack;
+}
+
+function $getStack(e){
+  var i, i2, idx, j, toReturn;
+  toReturn = e && e.message?e.message.split('\n'):[];
+  for (i = 0 , i2 = 0 , j = toReturn.length; i2 < j; ++i , i2 += 2) {
+    idx = toReturn[i2].lastIndexOf('function ');
+    idx == -1?(toReturn[i] = '' , undefined):(toReturn[i] = $trim($substring(toReturn[i2], idx + 9)) , undefined);
+  }
+  toReturn.length = i;
+  return toReturn;
+}
+
+defineSeed(20, 1, {});
+function $append(this$static, x){
+  this$static.string += x;
+}
+
+function $appendNonNull(this$static, x){
+  this$static.string += x;
+}
+
+function $replace(this$static, start, end, toInsert){
+  this$static.string = $substring_0(this$static.string, 0, start) + toInsert + $substring(this$static.string, end);
+}
+
+function StringBufferImplAppend_0(){
+}
+
+defineSeed(21, 20, {}, StringBufferImplAppend_0);
+_.string = '';
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(26, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  digits.impl.string += 'E';
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    digits.impl.string += '-';
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    digits.impl.string += '0';
+  }
+  $append(digits.impl, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.impl, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt(digits.impl.string, toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt(digits.impl.string, strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.impl, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && digits.impl.string.charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    buf.impl.string += '\u221E';
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return buf.impl.string;
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = buf.impl.string.length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < buf.impl.string.length && $charAt(buf.impl.string, preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += buf.impl.string.length - preRound;
+    $delete_0(buf, preRound, buf.impl.string.length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = buf.impl.string.length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return buf.impl.string;
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, affix.impl.string.length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        affix.impl.string += "'";
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.impl, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          affix.impl.string += '%';
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          affix.impl.string += '\u2030';
+          break;
+        case 45:
+          affix.impl.string += '-';
+          break;
+        default:$appendNonNull(affix.impl, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = affix.impl.string;
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = affix.impl.string;
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = affix.impl.string;
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = affix.impl.string;
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      digits.impl.string += '0';
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        prefix.impl.string += '0';
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, prefix.impl.string);
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt(digits.impl.string, i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.impl, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt(digits.impl.string, i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.impl, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = buf.impl.string.length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf(buf.impl.string, 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf(buf.impl.string, 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < buf.impl.string.length && $charAt(buf.impl.string, expDigits) == 43 && ++expDigits;
+    expDigits < buf.impl.string.length && (scale = __parseAndValidateInt($substring(buf.impl.string, expDigits)));
+    $delete_0(buf, expIdx, buf.impl.string.length);
+  }
+  dot = $indexOf(buf.impl.string, '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.impl, dot, dot + 1, '');
+    scale -= buf.impl.string.length - dot;
+  }
+  return scale;
+}
+
+defineSeed(27, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(28, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(30, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('opera', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (opera) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+--></script>
+<script><!--
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(42, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged C atom.<br>' , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && (illegalAtoms.impl.string += 'An N atom with too high + charge.<br>' , illegalAtoms);
+      atom.charge < 0 && (illegalAtoms.impl.string += 'An N atom with - charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && (illegalAtoms.impl.string += 'An N atom making too many bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && (illegalAtoms.impl.string += 'An O atom with too high - charge.<br>' , illegalAtoms);
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An O atom with + charge.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && (illegalAtoms.impl.string += 'An S atom with a + charge.<br>' , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && (illegalAtoms.impl.string += 'An S atom not making 2, 4, or 6 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && (illegalAtoms.impl.string += 'A Charged P atom.<br>' , illegalAtoms);
+      atom.numNeighborHs != -3 && (illegalAtoms.impl.string += 'A P atom not making 5 bonds.<br>' , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && (illegalAtoms.impl.string += 'An X atom.<br>' , illegalAtoms);
+  }
+  errorString = '';
+  illegalAtoms.impl.string.length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + illegalAtoms.impl.string + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if (illegalAtoms.impl.string.length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.impl, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + neighbors.impl.string + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    formula.impl.string += '(';
+    charge == -1?(formula.impl.string += '-' , formula):charge > 0 && (formula.impl.string += '+' , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.impl, '' + charge) , formula);
+    formula.impl.string += ')';
+  }
+  formulaString = 'Formula: ' + formula.impl.string;
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.impl, atomLabel);
+  if (number == 1) {
+    outString.impl.string += ' ';
+    return;
+  }
+  $append(outString.impl, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(43, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(44, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(45, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(46, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(47, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(48, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(50, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(51, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(54, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(55, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(56, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(57, 54, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName){
+}
+
+defineSeed(58, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $substring_0(this$static, beginIndex, endIndex){
+  return this$static.substr(beginIndex, endIndex - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.impl, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(60, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.impl, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt(this$static.impl.string, index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.impl, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.impl, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.impl, start, end, toInsert);
+  return this$static;
+}
+
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.impl = new StringBufferImplAppend_0;
+}
+
+defineSeed(61, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(62, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(63, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+--></script>
+<script><!--
+defineSeed(65, 1, makeCastMap([Q$Map]));
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
+      }
+    }
+  }
+  return null;
+}
+
+function $getStringValue(this$static, key){
+  return this$static.stringMap[':' + key];
+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
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+}
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+}
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+defineSeed(64, 65, makeCastMap([Q$Map]));
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+}
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+}
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+defineSeed(66, 67, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
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+}
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+}
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+}
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+}
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+}
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+defineSeed(70, 1, makeCastMap([Q$Map$Entry]));
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+}
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+}
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+}
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+defineSeed(69, 70, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
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+}
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+}
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+}
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+}
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+defineSeed(71, 70, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
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+}
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+}
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+}
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+}
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+}
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+defineSeed(72, 63, makeCastMap([Q$List]));
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+  $add(this, this.size_0(), obj);
+  return true;
+}
+;
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+  if (o === this) {
+    return true;
+  }
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+}
+;
+_.hashCode$ = function hashCode_5(){
+  var iter, k, obj;
+  k = 1;
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+    obj = $next(iter);
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+    k = ~~k;
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+  return k;
+}
+;
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+}
+;
+function $hasNext(this$static){
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+}
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+function $next(this$static){
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+}
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+function AbstractList$IteratorImpl_0(this$0){
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+}
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+defineSeed(73, 1, {}, AbstractList$IteratorImpl_0);
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+}
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+}
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+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
+
+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_0(this$static, o, index){
+  for (; index < this$static.size; ++index) {
+    if (equalsWithNullCheck(o, this$static.array[index])) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
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+}
+
+function splice_0(array, index, deleteCount, value){
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+}
+
+defineSeed(74, 72, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_0(this, o, 0) != -1;
+}
+;
+_.size_0 = function size_1(){
+  return this.size;
+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(76, 64, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(77, 70, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(78, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(80, 1, {}, ExportAllExporterImpl_0);
+defineSeed(82, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(81, 82, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 89), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 87), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 58, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 90), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/F8283183F9546F019176F75A8E25B0F0.cache.html b/common/static/js/capa/jsmolcalc/F8283183F9546F019176F75A8E25B0F0.cache.html
new file mode 100644
index 0000000000..b4b1d177df
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/F8283183F9546F019176F75A8E25B0F0.cache.html
@@ -0,0 +1,2659 @@
+<html>
+<head><meta charset="UTF-8" /><script>
+var $gwt_version = "2.5.0";
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase;
+var $strongName = 'F8283183F9546F019176F75A8E25B0F0';
+var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,
+$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+</script></head>
+<body>
+<script><!--
+var _, seedTable = {}, Q$Object = 0, Q$String = 1, Q$LongLibBase$LongEmul = 2, Q$JsMolCalc$Atom = 3, Q$int_$1 = 4, Q$Serializable = 5, Q$CharSequence = 6, Q$Comparable = 7, Q$StackTraceElement = 8, Q$Throwable = 9, Q$List = 10, Q$Map = 11, Q$Map$Entry = 12, Q$Set = 13, Q$Exportable = 14, CM$ = {};
+function newSeed(id){
+  return new seedTable[id];
+}
+
+function defineSeed(id, superSeed, castableTypeMap){
+  var seed = seedTable[id];
+  if (seed && !seed.___clazz$) {
+    _ = seed.prototype;
+  }
+   else {
+    !seed && (seed = seedTable[id] = function(){
+    }
+    );
+    _ = seed.prototype = superSeed < 0?{}:newSeed(superSeed);
+    _.castableTypeMap$ = castableTypeMap;
+  }
+  for (var i = 3; i < arguments.length; ++i) {
+    arguments[i].prototype = _;
+  }
+  if (seed.___clazz$) {
+    _.___clazz$ = seed.___clazz$;
+    seed.___clazz$ = null;
+  }
+}
+
+function makeCastMap(a){
+  var result = {};
+  for (var i = 0, c = a.length; i < c; ++i) {
+    result[a[i]] = 1;
+  }
+  return result;
+}
+
+function nullMethod(){
+}
+
+defineSeed(1, -1, CM$);
+_.equals$ = function equals(other){
+  return this === other;
+}
+;
+_.getClass$ = function getClass_0(){
+  return this.___clazz$;
+}
+;
+_.hashCode$ = function hashCode_0(){
+  return getHashCode(this);
+}
+;
+_.typeMarker$ = nullMethod;
+function $setStackTrace(stackTrace){
+  var c, copy, i;
+  copy = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stackTrace.length, 0);
+  for (i = 0 , c = stackTrace.length; i < c; ++i) {
+    if (!stackTrace[i]) {
+      throw new NullPointerException_0;
+    }
+    copy[i] = stackTrace[i];
+  }
+}
+
+defineSeed(8, 1, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(7, 8, makeCastMap([Q$Serializable, Q$Throwable]));
+defineSeed(6, 7, makeCastMap([Q$Serializable, Q$Throwable]));
+function JavaScriptException_0(e){
+  $fillInStackTrace();
+  this.e = e;
+  $createStackTrace(this);
+}
+
+defineSeed(5, 6, makeCastMap([Q$Serializable, Q$Throwable]), JavaScriptException_0);
+_.e = null;
+function equals__devirtual$(this$static, other){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.equals$(other):maybeJsoInvocation === other;
+}
+
+function hashCode__devirtual$(this$static){
+  var maybeJsoInvocation;
+  return maybeJsoInvocation = this$static , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.hashCode$():getHashCode(maybeJsoInvocation);
+}
+
+defineSeed(12, 1, {});
+function apply(jsFunction, thisObj, arguments_0){
+  return jsFunction.apply(thisObj, arguments_0);
+  var __0;
+}
+
+function enter(){
+  var now;
+  if (entryDepth != 0) {
+    now = (new Date).getTime();
+    if (now - watchdogEntryDepthLastScheduled > 2000) {
+      watchdogEntryDepthLastScheduled = now;
+      watchdogEntryDepthTimerId = watchdogEntryDepthSchedule();
+    }
+  }
+  if (entryDepth++ == 0) {
+    $flushEntryCommands(($clinit_SchedulerImpl() , INSTANCE));
+    return true;
+  }
+  return false;
+}
+
+function entry_0(jsFunction){
+  return function(){
+    try {
+      return entry0(jsFunction, this, arguments);
+    }
+     catch (e) {
+      throw e;
+    }
+  }
+  ;
+}
+
+function entry0(jsFunction, thisObj, arguments_0){
+  var initialEntry;
+  initialEntry = enter();
+  try {
+    return apply(jsFunction, thisObj, arguments_0);
+  }
+   finally {
+    exit(initialEntry);
+  }
+}
+
+function exit(initialEntry){
+  initialEntry && $flushFinallyCommands(($clinit_SchedulerImpl() , INSTANCE));
+  --entryDepth;
+  if (initialEntry) {
+    if (watchdogEntryDepthTimerId != -1) {
+      watchdogEntryDepthCancel(watchdogEntryDepthTimerId);
+      watchdogEntryDepthTimerId = -1;
+    }
+  }
+}
+
+function getHashCode(o){
+  return o.$H || (o.$H = ++sNextHashId);
+}
+
+function watchdogEntryDepthCancel(timerId){
+  $wnd.clearTimeout(timerId);
+}
+
+function watchdogEntryDepthSchedule(){
+  return $wnd.setTimeout(function(){
+    entryDepth != 0 && (entryDepth = 0);
+    watchdogEntryDepthTimerId = -1;
+  }
+  , 10);
+}
+
+var entryDepth = 0, sNextHashId = 0, watchdogEntryDepthLastScheduled = 0, watchdogEntryDepthTimerId = -1;
+function $clinit_SchedulerImpl(){
+  $clinit_SchedulerImpl = nullMethod;
+  INSTANCE = new SchedulerImpl_0;
+}
+
+function $flushEntryCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.entryCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.entryCommands;
+      this$static.entryCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.entryCommands);
+    this$static.entryCommands = rescheduled;
+  }
+}
+
+function $flushFinallyCommands(this$static){
+  var oldQueue, rescheduled;
+  if (this$static.finallyCommands) {
+    rescheduled = null;
+    do {
+      oldQueue = this$static.finallyCommands;
+      this$static.finallyCommands = null;
+      rescheduled = runScheduledTasks(oldQueue, rescheduled);
+    }
+     while (this$static.finallyCommands);
+    this$static.finallyCommands = rescheduled;
+  }
+}
+
+function SchedulerImpl_0(){
+}
+
+function push(queue, task){
+  !queue && (queue = []);
+  queue[queue.length] = task;
+  return queue;
+}
+
+function runScheduledTasks(tasks, rescheduled){
+  var $e0, i, j, t;
+  for (i = 0 , j = tasks.length; i < j; ++i) {
+    t = tasks[i];
+    try {
+      t[1]?t[0].nullMethod() && (rescheduled = push(rescheduled, t)):t[0].nullMethod();
+    }
+     catch ($e0) {
+      $e0 = caught($e0);
+      if (!instanceOf($e0, Q$Throwable))
+        throw $e0;
+    }
+  }
+  return rescheduled;
+}
+
+defineSeed(14, 12, {}, SchedulerImpl_0);
+_.entryCommands = null;
+_.finallyCommands = null;
+var INSTANCE;
+function extractNameFromToString(fnToString){
+  var index, start, toReturn;
+  toReturn = '';
+  fnToString = $trim(fnToString);
+  index = fnToString.indexOf('(');
+  start = fnToString.indexOf('function') == 0?8:0;
+  if (index == -1) {
+    index = $indexOf(fnToString, String.fromCharCode(64));
+    start = fnToString.indexOf('function ') == 0?9:0;
+  }
+  index != -1 && (toReturn = $trim(fnToString.substr(start, index - start)));
+  return toReturn.length > 0?toReturn:'anonymous';
+}
+
+function $collect(this$static){
+  var seen = {};
+  var toReturn = [];
+  var callee = arguments.callee.caller.caller;
+  while (callee) {
+    var name_0 = this$static.extractName(callee.toString());
+    toReturn.push(name_0);
+    var keyName = ':' + name_0;
+    var withThisName = seen[keyName];
+    if (withThisName) {
+      var i, j;
+      for (i = 0 , j = withThisName.length; i < j; i++) {
+        if (withThisName[i] === callee) {
+          return toReturn;
+        }
+      }
+    }
+    (withThisName || (seen[keyName] = [])).push(callee);
+    callee = callee.caller;
+  }
+  return toReturn;
+}
+
+function $createStackTrace(e){
+  var i, j, stack, stackTrace;
+  stack = (instanceOfJso(e.e)?dynamicCastJso(e.e):null , []);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function $fillInStackTrace(){
+  var i, j, stack, stackTrace;
+  stack = $collect(new StackTraceCreator$Collector_0);
+  stackTrace = initDim(_3Ljava_lang_StackTraceElement_2_classLit, makeCastMap([Q$Serializable]), Q$StackTraceElement, stack.length, 0);
+  for (i = 0 , j = stackTrace.length; i < j; ++i) {
+    stackTrace[i] = new StackTraceElement_0(stack[i]);
+  }
+  $setStackTrace(stackTrace);
+}
+
+function StackTraceCreator$Collector_0(){
+}
+
+defineSeed(17, 1, {}, StackTraceCreator$Collector_0);
+_.extractName = function extractName(fnToString){
+  return extractNameFromToString(fnToString);
+}
+;
+function $append(a, x){
+  a[a.explicitLength++] = x == null?'null':x;
+}
+
+function $appendNonNull(a, x){
+  a[a.explicitLength++] = x;
+}
+
+function $createData(){
+  var array = [];
+  array.explicitLength = 0;
+  return array;
+}
+
+function $replace(a, start, end, toInsert){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s.substr(0, start - 0));
+  a[a.explicitLength++] = toInsert == null?'null':toInsert;
+  $appendNonNull(a, $substring(s, end));
+}
+
+function $takeString(a){
+  var s = a.join('');
+  a.length = a.explicitLength = 0;
+  return s;
+}
+
+function $toString(a){
+  var s;
+  s = $takeString(a);
+  $appendNonNull(a, s);
+  return s;
+}
+
+function $getDefaultNative(){
+  return ['USD', 'US$', 2, 'US$', '$'];
+}
+
+function $clinit_LocaleInfo(){
+  $clinit_LocaleInfo = nullMethod;
+  instance = new LocaleInfo_0;
+}
+
+function $getNumberConstants(this$static){
+  !this$static.numberConstants && (this$static.numberConstants = new NumberConstantsImpl__0);
+  return this$static.numberConstants;
+}
+
+function LocaleInfo_0(){
+}
+
+defineSeed(24, 1, {}, LocaleInfo_0);
+_.numberConstants = null;
+var instance;
+function $clinit_NumberFormat(){
+  $clinit_NumberFormat = nullMethod;
+  $getNumberConstants(($clinit_LocaleInfo() , $clinit_LocaleInfo() , instance));
+}
+
+function $addExponent(this$static, digits){
+  var exponentDigits, i;
+  $append(digits.data, 'E');
+  if (this$static.exponent < 0) {
+    this$static.exponent = -this$static.exponent;
+    $append(digits.data, '-');
+  }
+  exponentDigits = '' + this$static.exponent;
+  for (i = exponentDigits.length; i < this$static.minExponentDigits; ++i) {
+    $appendNonNull(digits.data, '0');
+  }
+  $append(digits.data, exponentDigits);
+}
+
+function $addZeroAndDecimal(this$static, digits){
+  if (this$static.digitsLength == 0) {
+    $replace(digits.data, 0, 0, '0');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+  if (this$static.decimalPosition < this$static.digitsLength || this$static.decimalSeparatorAlwaysShown) {
+    $insert(digits, this$static.decimalPosition, '.');
+    ++this$static.digitsLength;
+  }
+}
+
+function $adjustFractionDigits(this$static, digits){
+  var requiredDigits, toRemove;
+  requiredDigits = this$static.decimalPosition + this$static.minimumFractionDigits;
+  if (this$static.digitsLength < requiredDigits) {
+    while (this$static.digitsLength < requiredDigits) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+   else {
+    toRemove = this$static.decimalPosition + this$static.maximumFractionDigits;
+    toRemove > this$static.digitsLength && (toRemove = this$static.digitsLength);
+    while (toRemove > requiredDigits && $charAt($toString(digits.data), toRemove - 1) == 48) {
+      --toRemove;
+    }
+    if (toRemove < this$static.digitsLength) {
+      $delete_0(digits, toRemove, this$static.digitsLength);
+      this$static.digitsLength = toRemove;
+    }
+  }
+}
+
+function $computeExponent(this$static, digits){
+  var remainder, strip;
+  strip = 0;
+  while (strip < this$static.digitsLength - 1 && $charAt($toString(digits.data), strip) == 48) {
+    ++strip;
+  }
+  if (strip > 0) {
+    $replace(digits.data, 0, strip, '');
+    this$static.digitsLength -= strip;
+    this$static.exponent -= strip;
+  }
+  if (this$static.maximumIntegerDigits > this$static.minimumIntegerDigits && this$static.maximumIntegerDigits > 0) {
+    this$static.exponent += this$static.decimalPosition - 1;
+    remainder = this$static.exponent % this$static.maximumIntegerDigits;
+    remainder < 0 && (remainder += this$static.maximumIntegerDigits);
+    this$static.decimalPosition = remainder + 1;
+    this$static.exponent -= remainder;
+  }
+   else {
+    this$static.exponent += this$static.decimalPosition - this$static.minimumIntegerDigits;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+  if (this$static.digitsLength == 1 && $toString(digits.data).charCodeAt(0) == 48) {
+    this$static.exponent = 0;
+    this$static.decimalPosition = this$static.minimumIntegerDigits;
+  }
+}
+
+function $format(this$static, number){
+  var buf, isNegative, preRound, scale, useExponent, currentGroupingSize;
+  if (isNaN(number)) {
+    return 'NaN';
+  }
+  isNegative = number < 0 || number == 0 && 1 / number < 0;
+  isNegative && (number = -number);
+  buf = new StringBuilder_0;
+  if (!isFinite(number)) {
+    $append_1(buf, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+    $append(buf.data, '\u221E');
+    $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+    return $toString(buf.data);
+  }
+  number *= this$static.multiplier;
+  scale = toScaledString(buf, number);
+  preRound = $toString(buf.data).length + scale + this$static.maximumFractionDigits + 3;
+  if (preRound > 0 && preRound < $toString(buf.data).length && $charAt($toString(buf.data), preRound) == 57) {
+    $propagateCarry(this$static, buf, preRound - 1);
+    scale += $toString(buf.data).length - preRound;
+    $delete_0(buf, preRound, $toString(buf.data).length);
+  }
+  this$static.exponent = 0;
+  this$static.digitsLength = $toString(buf.data).length;
+  this$static.decimalPosition = this$static.digitsLength + scale;
+  useExponent = this$static.useExponentialNotation;
+  currentGroupingSize = this$static.groupingSize;
+  this$static.decimalPosition > 1024 && (useExponent = true);
+  useExponent && $computeExponent(this$static, buf);
+  $processLeadingZeros(this$static, buf);
+  $roundValue(this$static, buf);
+  $insertGroupingSeparators(this$static, buf, currentGroupingSize);
+  $adjustFractionDigits(this$static, buf);
+  $addZeroAndDecimal(this$static, buf);
+  useExponent && $addExponent(this$static, buf);
+  $insert(buf, 0, isNegative?this$static.negativePrefix:this$static.positivePrefix);
+  $append_1(buf, isNegative?this$static.negativeSuffix:this$static.positiveSuffix);
+  return $toString(buf.data);
+}
+
+function $insertGroupingSeparators(this$static, digits, g){
+  var i;
+  if (g > 0) {
+    for (i = g; i < this$static.decimalPosition; i += g + 1) {
+      $insert(digits, this$static.decimalPosition - i, ',');
+      ++this$static.decimalPosition;
+      ++this$static.digitsLength;
+    }
+  }
+}
+
+function $parseAffix(this$static, pattern, start, affix, inNegativePattern){
+  var ch, inQuote, len, pos;
+  $delete(affix, $toString(affix.data).length);
+  inQuote = false;
+  len = pattern.length;
+  for (pos = start; pos < len; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    if (ch == 39) {
+      if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 39) {
+        ++pos;
+        $append(affix.data, "'");
+      }
+       else {
+        inQuote = !inQuote;
+      }
+      continue;
+    }
+    if (inQuote) {
+      $appendNonNull(affix.data, String.fromCharCode(ch));
+    }
+     else {
+      switch (ch) {
+        case 35:
+        case 48:
+        case 44:
+        case 46:
+        case 59:
+          return pos - start;
+        case 164:
+          this$static.isCurrencyFormat = true;
+          if (pos + 1 < len && pattern.charCodeAt(pos + 1) == 164) {
+            ++pos;
+            if (pos < len - 3 && pattern.charCodeAt(pos + 1) == 164 && pattern.charCodeAt(pos + 2) == 164) {
+              pos += 2;
+              $append_0(affix, $getSimpleCurrencySymbol(this$static.currencyData));
+            }
+             else {
+              $append_0(affix, this$static.currencyData[0]);
+            }
+          }
+           else {
+            $append_0(affix, this$static.currencyData[1]);
+          }
+
+          break;
+        case 37:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 100;
+          }
+
+          $append(affix.data, '%');
+          break;
+        case 8240:
+          if (!inNegativePattern) {
+            if (this$static.multiplier != 1) {
+              throw new IllegalArgumentException_0('Too many percent/per mille characters in pattern "' + pattern + '"');
+            }
+            this$static.multiplier = 1000;
+          }
+
+          $append(affix.data, '\u2030');
+          break;
+        case 45:
+          $append(affix.data, '-');
+          break;
+        default:$appendNonNull(affix.data, String.fromCharCode(ch));
+      }
+    }
+  }
+  return len - start;
+}
+
+function $parsePattern(this$static, pattern){
+  var affix, pos;
+  pos = 0;
+  affix = new StringBuffer_0;
+  pos += $parseAffix(this$static, pattern, 0, affix, false);
+  this$static.positivePrefix = $toString(affix.data);
+  pos += $parseTrunk(this$static, pattern, pos, false);
+  pos += $parseAffix(this$static, pattern, pos, affix, false);
+  this$static.positiveSuffix = $toString(affix.data);
+  if (pos < pattern.length && pattern.charCodeAt(pos) == 59) {
+    ++pos;
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativePrefix = $toString(affix.data);
+    pos += $parseTrunk(this$static, pattern, pos, true);
+    pos += $parseAffix(this$static, pattern, pos, affix, true);
+    this$static.negativeSuffix = $toString(affix.data);
+  }
+   else {
+    this$static.negativePrefix = '-' + this$static.positivePrefix;
+    this$static.negativeSuffix = this$static.positiveSuffix;
+  }
+}
+
+function $parseTrunk(this$static, pattern, start, ignorePattern){
+  var ch, decimalPos, digitLeftCount, digitRightCount, effectiveDecimalPos, groupingCount, len, loop, n, pos, totalDigits, zeroDigitCount;
+  decimalPos = -1;
+  digitLeftCount = 0;
+  zeroDigitCount = 0;
+  digitRightCount = 0;
+  groupingCount = -1;
+  len = pattern.length;
+  pos = start;
+  loop = true;
+  for (; pos < len && loop; ++pos) {
+    ch = pattern.charCodeAt(pos);
+    switch (ch) {
+      case 35:
+        zeroDigitCount > 0?++digitRightCount:++digitLeftCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 48:
+        if (digitRightCount > 0) {
+          throw new IllegalArgumentException_0("Unexpected '0' in pattern \"" + pattern + '"');
+        }
+
+        ++zeroDigitCount;
+        groupingCount >= 0 && decimalPos < 0 && ++groupingCount;
+        break;
+      case 44:
+        groupingCount = 0;
+        break;
+      case 46:
+        if (decimalPos >= 0) {
+          throw new IllegalArgumentException_0('Multiple decimal separators in pattern "' + pattern + '"');
+        }
+
+        decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
+        break;
+      case 69:
+        if (!ignorePattern) {
+          if (this$static.useExponentialNotation) {
+            throw new IllegalArgumentException_0('Multiple exponential symbols in pattern "' + pattern + '"');
+          }
+          this$static.useExponentialNotation = true;
+          this$static.minExponentDigits = 0;
+        }
+
+        while (pos + 1 < len && pattern.charCodeAt(pos + 1) == 48) {
+          ++pos;
+          ignorePattern || ++this$static.minExponentDigits;
+        }
+
+        if (!ignorePattern && digitLeftCount + zeroDigitCount < 1 || this$static.minExponentDigits < 1) {
+          throw new IllegalArgumentException_0('Malformed exponential pattern "' + pattern + '"');
+        }
+
+        loop = false;
+        break;
+      default:--pos;
+        loop = false;
+    }
+  }
+  if (zeroDigitCount == 0 && digitLeftCount > 0 && decimalPos >= 0) {
+    n = decimalPos;
+    decimalPos == 0 && ++n;
+    digitRightCount = digitLeftCount - n;
+    digitLeftCount = n - 1;
+    zeroDigitCount = 1;
+  }
+  if (decimalPos < 0 && digitRightCount > 0 || decimalPos >= 0 && (decimalPos < digitLeftCount || decimalPos > digitLeftCount + zeroDigitCount) || groupingCount == 0) {
+    throw new IllegalArgumentException_0('Malformed pattern "' + pattern + '"');
+  }
+  if (ignorePattern) {
+    return pos - start;
+  }
+  totalDigits = digitLeftCount + zeroDigitCount + digitRightCount;
+  this$static.maximumFractionDigits = decimalPos >= 0?totalDigits - decimalPos:0;
+  if (decimalPos >= 0) {
+    this$static.minimumFractionDigits = digitLeftCount + zeroDigitCount - decimalPos;
+    this$static.minimumFractionDigits < 0 && (this$static.minimumFractionDigits = 0);
+  }
+  effectiveDecimalPos = decimalPos >= 0?decimalPos:totalDigits;
+  this$static.minimumIntegerDigits = effectiveDecimalPos - digitLeftCount;
+  if (this$static.useExponentialNotation) {
+    this$static.maximumIntegerDigits = digitLeftCount + this$static.minimumIntegerDigits;
+    this$static.maximumFractionDigits == 0 && this$static.minimumIntegerDigits == 0 && (this$static.minimumIntegerDigits = 1);
+  }
+  this$static.groupingSize = groupingCount > 0?groupingCount:0;
+  this$static.decimalSeparatorAlwaysShown = decimalPos == 0 || decimalPos == totalDigits;
+  return pos - start;
+}
+
+function $processLeadingZeros(this$static, digits){
+  var i, prefix, strip;
+  if (this$static.decimalPosition > this$static.digitsLength) {
+    while (this$static.digitsLength < this$static.decimalPosition) {
+      $appendNonNull(digits.data, '0');
+      ++this$static.digitsLength;
+    }
+  }
+  if (!this$static.useExponentialNotation) {
+    if (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+      prefix = new StringBuilder_0;
+      while (this$static.decimalPosition < this$static.minimumIntegerDigits) {
+        $appendNonNull(prefix.data, '0');
+        ++this$static.decimalPosition;
+        ++this$static.digitsLength;
+      }
+      $insert(digits, 0, $toString(prefix.data));
+    }
+     else if (this$static.decimalPosition > this$static.minimumIntegerDigits) {
+      strip = this$static.decimalPosition - this$static.minimumIntegerDigits;
+      for (i = 0; i < strip; ++i) {
+        if ($charAt($toString(digits.data), i) != 48) {
+          strip = i;
+          break;
+        }
+      }
+      if (strip > 0) {
+        $replace(digits.data, 0, strip, '');
+        this$static.digitsLength -= strip;
+        this$static.decimalPosition -= strip;
+      }
+    }
+  }
+}
+
+function $propagateCarry(this$static, digits, i){
+  var carry, digit;
+  carry = true;
+  while (carry && i >= 0) {
+    digit = $charAt($toString(digits.data), i);
+    if (digit == 57) {
+      $setCharAt(digits, i--, 48);
+    }
+     else {
+      $setCharAt(digits, i, digit + 1 & 65535);
+      carry = false;
+    }
+  }
+  if (carry) {
+    $replace(digits.data, 0, 0, '1');
+    ++this$static.decimalPosition;
+    ++this$static.digitsLength;
+  }
+}
+
+function $roundValue(this$static, digits){
+  var i;
+  if (this$static.digitsLength > this$static.decimalPosition + this$static.maximumFractionDigits && $charAt_0(digits, this$static.decimalPosition + this$static.maximumFractionDigits) >= 53) {
+    i = this$static.decimalPosition + this$static.maximumFractionDigits - 1;
+    $propagateCarry(this$static, digits, i);
+  }
+}
+
+function NumberFormat_0(cdata, userSuppliedPattern){
+  if (!cdata) {
+    throw new IllegalArgumentException_0('Unknown currency code');
+  }
+  this.pattern = '0.000';
+  this.currencyData = cdata;
+  $parsePattern(this, this.pattern);
+  if (!userSuppliedPattern && this.isCurrencyFormat) {
+    this.minimumFractionDigits = this.currencyData[2] & 7;
+    this.maximumFractionDigits = this.minimumFractionDigits;
+  }
+}
+
+function NumberFormat_1(cdata){
+  $clinit_NumberFormat();
+  NumberFormat_0.call(this, cdata, true);
+}
+
+function toScaledString(buf, val){
+  var dot, expDigits, expIdx, scale, startLen;
+  startLen = $toString(buf.data).length;
+  $append_1(buf, val.toPrecision(20));
+  scale = 0;
+  expIdx = $indexOf_0($toString(buf.data), 'e', startLen);
+  expIdx < 0 && (expIdx = $indexOf_0($toString(buf.data), 'E', startLen));
+  if (expIdx >= 0) {
+    expDigits = expIdx + 1;
+    expDigits < $toString(buf.data).length && $charAt($toString(buf.data), expDigits) == 43 && ++expDigits;
+    expDigits < $toString(buf.data).length && (scale = __parseAndValidateInt($substring($toString(buf.data), expDigits)));
+    $delete_0(buf, expIdx, $toString(buf.data).length);
+  }
+  dot = $indexOf_0($toString(buf.data), '.', startLen);
+  if (dot >= 0) {
+    $replace(buf.data, dot, dot + 1, '');
+    scale -= $toString(buf.data).length - dot;
+  }
+  return scale;
+}
+
+defineSeed(25, 1, {}, NumberFormat_1);
+_.currencyData = null;
+_.decimalPosition = 0;
+_.decimalSeparatorAlwaysShown = false;
+_.digitsLength = 0;
+_.exponent = 0;
+_.groupingSize = 3;
+_.isCurrencyFormat = false;
+_.maximumFractionDigits = 3;
+_.maximumIntegerDigits = 40;
+_.minExponentDigits = 0;
+_.minimumFractionDigits = 0;
+_.minimumIntegerDigits = 1;
+_.multiplier = 1;
+_.negativePrefix = '-';
+_.negativeSuffix = '';
+_.pattern = null;
+_.positivePrefix = '';
+_.positiveSuffix = '';
+_.useExponentialNotation = false;
+function NumberConstantsImpl__0(){
+}
+
+defineSeed(26, 1, {}, NumberConstantsImpl__0);
+function $getSimpleCurrencySymbol(this$static){
+  return this$static[4] || this$static[1];
+}
+
+function Array_0(){
+}
+
+function createFromSeed(seedType, length_0){
+  var array = new Array(length_0);
+  if (seedType == 3) {
+    for (var i = 0; i < length_0; ++i) {
+      var value = new Object;
+      value.l = value.m = value.h = 0;
+      array[i] = value;
+    }
+  }
+   else if (seedType > 0) {
+    var value = [null, 0, false][seedType];
+    for (var i = 0; i < length_0; ++i) {
+      array[i] = value;
+    }
+  }
+  return array;
+}
+
+function initDim(arrayClass, castableTypeMap, queryId, length_0, seedType){
+  var result;
+  result = createFromSeed(seedType, length_0);
+  initValues(arrayClass, castableTypeMap, queryId, result);
+  return result;
+}
+
+function initDims(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, count, seedType){
+  return initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, 0, count, seedType);
+}
+
+function initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType){
+  var i, isLastDim, length_0, result;
+  length_0 = dimExprs[index];
+  isLastDim = index == count - 1;
+  result = createFromSeed(isLastDim?seedType:0, length_0);
+  initValues(arrayClasses[index], castableTypeMapExprs[index], queryIdExprs[index], result);
+  if (!isLastDim) {
+    ++index;
+    for (i = 0; i < length_0; ++i) {
+      result[i] = initDims_0(arrayClasses, castableTypeMapExprs, queryIdExprs, dimExprs, index, count, seedType);
+    }
+  }
+  return result;
+}
+
+function initValues(arrayClass, castableTypeMap, queryId, array){
+  $clinit_Array$ExpandoWrapper();
+  wrapArray(array, expandoNames_0, expandoValues_0);
+  array.___clazz$ = arrayClass;
+  array.castableTypeMap$ = castableTypeMap;
+  array.queryId$ = queryId;
+  return array;
+}
+
+function setCheck(array, index, value){
+  if (value != null) {
+    if (array.queryId$ > 0 && !canCastUnsafe(value, array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ == -1 && (value.typeMarker$ == nullMethod || canCast(value, 1))) {
+      throw new ArrayStoreException_0;
+    }
+     else if (array.queryId$ < -1 && !(value.typeMarker$ != nullMethod && !canCast(value, 1)) && !canCastUnsafe(value, -array.queryId$)) {
+      throw new ArrayStoreException_0;
+    }
+  }
+  return array[index] = value;
+}
+
+defineSeed(28, 1, {}, Array_0);
+_.queryId$ = 0;
+function $clinit_Array$ExpandoWrapper(){
+  $clinit_Array$ExpandoWrapper = nullMethod;
+  expandoNames_0 = [];
+  expandoValues_0 = [];
+  initExpandos(new Array_0, expandoNames_0, expandoValues_0);
+}
+
+function initExpandos(protoType, expandoNames, expandoValues){
+  var i = 0, value;
+  for (var name_0 in protoType) {
+    if (value = protoType[name_0]) {
+      expandoNames[i] = name_0;
+      expandoValues[i] = value;
+      ++i;
+    }
+  }
+}
+
+function wrapArray(array, expandoNames, expandoValues){
+  $clinit_Array$ExpandoWrapper();
+  for (var i = 0, c = expandoNames.length; i < c; ++i) {
+    array[expandoNames[i]] = expandoValues[i];
+  }
+}
+
+var expandoNames_0, expandoValues_0;
+function canCast(src, dstId){
+  return src.castableTypeMap$ && !!src.castableTypeMap$[dstId];
+}
+
+function canCastUnsafe(src, dstId){
+  return src.castableTypeMap$ && src.castableTypeMap$[dstId];
+}
+
+function dynamicCast(src, dstId){
+  if (src != null && !canCastUnsafe(src, dstId)) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function dynamicCastJso(src){
+  if (src != null && (src.typeMarker$ == nullMethod || canCast(src, 1))) {
+    throw new ClassCastException_0;
+  }
+  return src;
+}
+
+function instanceOf(src, dstId){
+  return src != null && canCast(src, dstId);
+}
+
+function instanceOfJso(src){
+  return src != null && src.typeMarker$ != nullMethod && !canCast(src, 1);
+}
+
+function isJavaObject(src){
+  return src.typeMarker$ == nullMethod || canCast(src, 1);
+}
+
+function maskUndefined(src){
+  return src == null?null:src;
+}
+
+function init(){
+  var runtimeValue;
+  !!$stats && onModuleStart('com.google.gwt.useragent.client.UserAgentAsserter');
+  runtimeValue = $getRuntimeValue();
+  $equals('ie9', runtimeValue) || ($wnd.alert('ERROR: Possible problem with your *.gwt.xml module file.\nThe compile time user.agent value (ie9) does not match the runtime user.agent value (' + runtimeValue + '). Expect more errors.\n') , undefined);
+  !!$stats && onModuleStart('com.google.gwt.user.client.DocumentModeAsserter');
+  $onModuleLoad();
+  !!$stats && onModuleStart('edu.umb.bio.jsMolCalc.client.JsMolCalcAPI');
+  $clinit_ExporterUtil();
+  new ExportAllExporterImpl_0;
+}
+
+function caught(e){
+  if (instanceOf(e, Q$Throwable)) {
+    return e;
+  }
+  return new JavaScriptException_0(e);
+}
+
+function onModuleStart(mainClassName){
+  return $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'onModuleLoadStart', className:mainClassName});
+}
+
+--></script>
+<script><!--
+function $onModuleLoad(){
+  var allowedModes, currentMode, i;
+  currentMode = $doc.compatMode;
+  allowedModes = initValues(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, ['CSS1Compat']);
+  for (i = 0; i < allowedModes.length; ++i) {
+    if ($equals(allowedModes[i], currentMode)) {
+      return;
+    }
+  }
+  allowedModes.length == 1 && $equals('CSS1Compat', allowedModes[0]) && $equals('BackCompat', currentMode)?"GWT no longer supports Quirks Mode (document.compatMode=' BackCompat').<br>Make sure your application's host HTML page has a Standards Mode (document.compatMode=' CSS1Compat') doctype,<br>e.g. by using &lt;!doctype html&gt; at the start of your application's HTML page.<br><br>To continue using this unsupported rendering mode and risk layout problems, suppress this message by adding<br>the following line to your*.gwt.xml module file:<br>&nbsp;&nbsp;&lt;extend-configuration-property name=\"document.compatMode\" value=\"" + currentMode + '"/&gt;':"Your *.gwt.xml module configuration prohibits the use of the current doucment rendering mode (document.compatMode=' " + currentMode + "').<br>Modify your application's host HTML page doctype, or update your custom 'document.compatMode' configuration property settings.";
+}
+
+function $getRuntimeValue(){
+  var ua = navigator.userAgent.toLowerCase();
+  var makeVersion = function(result){
+    return parseInt(result[1]) * 1000 + parseInt(result[2]);
+  }
+  ;
+  if (function(){
+    return ua.indexOf('opera') != -1;
+  }
+  ())
+    return 'opera';
+  if (function(){
+    return ua.indexOf('webkit') != -1;
+  }
+  ())
+    return 'safari';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 9;
+  }
+  ())
+    return 'ie9';
+  if (function(){
+    return ua.indexOf('msie') != -1 && $doc.documentMode >= 8;
+  }
+  ())
+    return 'ie8';
+  if (function(){
+    var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+    if (result && result.length == 3)
+      return makeVersion(result) >= 6000;
+  }
+  ())
+    return 'ie6';
+  if (function(){
+    return ua.indexOf('gecko') != -1;
+  }
+  ())
+    return 'gecko1_8';
+  return 'unknown';
+}
+
+function $export(){
+  if (!exported) {
+    exported = true;
+    $export0();
+  }
+}
+
+function $export0(){
+  var pkg = ($clinit_ExporterUtil() , $declarePackage('jsmol.API'));
+  var __0;
+  $wnd.jsmol.API = $entry(function(){
+    var g, j = this;
+    isAssignableToInstance(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, arguments)?(g = arguments[0]):arguments.length == 0 && (g = new JsMolCalcAPI$API_0);
+    j.g = g;
+    g['__gwtex_wrap'] = j;
+    return j;
+  }
+  );
+  __0 = $wnd.jsmol.API.prototype = new Object;
+  $wnd.jsmol.API.getErrors = $entry(function(a0, a1, a2){
+    var iat, info;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , info = iat.info , info.indexOf('It is not possible') == 0?info:'';
+  }
+  );
+  $wnd.jsmol.API.getInfo = $entry(function(a0, a1, a2){
+    var iat;
+    return new JsMolCalc_0 , iat = $computeAndDisplay(a0, a1, a2) , iat.info;
+  }
+  );
+  addTypeMap(Ledu_umb_bio_jsMolCalc_client_JsMolCalcAPI$API_2_classLit, $wnd.jsmol.API);
+  if (pkg)
+    for (p in pkg)
+      $wnd.jsmol.API[p] === undefined && ($wnd.jsmol.API[p] = pkg[p]);
+}
+
+function APIExporterImpl_0(){
+  $export();
+}
+
+defineSeed(40, 1, {}, APIExporterImpl_0);
+var exported = false;
+function $computeAndDisplay(molString, smileString, jmeString){
+  var atom, atomDataLines, atomLineParts, atomList, atomNumber, bondArray, bondIndex, bondLineParts, bondString, br, c, canMakeHbonds, canMakeIonicBonds, charge, chargeLineParts, cl, currentAtom, currentAtomSpec, currentNeighbor, element, errorString, f, fifthAtom, firstAtom, formula, formulaString, fourthAtom, h, i, illegalAtoms, iodine, j, k, l, line3Parts, logp, logpString, m, molStringLines, moleculeInfo, n, neighbors, nf, numAromaticAtoms, numAtoms, numBonds, o, p_0, s, secondAtom, sixthAtom, targets, thirdAtom;
+  if ($equals(molString, '') || $equals(smileString, '') || $equals(jmeString, '')) {
+    return new JsMolCalc$InfoAndTargets_0('');
+  }
+  atomDataLines = new StringBuffer_0;
+  logpString = '';
+  bondString = '';
+  atomList = new ArrayList_0;
+  $add_0(atomList, new JsMolCalc$Atom_0);
+  molStringLines = $split(molString, '\n', 0);
+  line3Parts = $split(molStringLines[3], '[ ]+', 0);
+  numAtoms = __parseAndValidateInt(line3Parts[1]);
+  numBonds = __parseAndValidateInt(line3Parts[2]);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atomLineParts = $split(molStringLines[i + 3], '[ ]+', 0);
+    element = atomLineParts[4];
+    atom = new JsMolCalc$Atom_0;
+    atom.element = element;
+    setCheck(atomList.array, atomList.size++, atom);
+  }
+  for (i = 0; i < molStringLines.length; ++i) {
+    if (molStringLines[i].indexOf('CHG') != -1) {
+      chargeLineParts = $split(molStringLines[i], '[ ]+', 0);
+      atomNumber = __parseAndValidateInt(chargeLineParts[3]);
+      charge = __parseAndValidateInt(chargeLineParts[4]);
+      atom = dynamicCast((checkIndex(atomNumber, atomList.size) , atomList.array[atomNumber]), Q$JsMolCalc$Atom);
+      atom.charge = charge;
+    }
+  }
+  bondArray = initDims([_3_3I_classLit, _3I_classLit], [makeCastMap([Q$Serializable]), makeCastMap([Q$int_$1, Q$Serializable])], [Q$int_$1, -1], [numAtoms + 1, numAtoms + 1], 2, 1);
+  for (i = 1; i < numAtoms + 1; ++i) {
+    fill(bondArray[i], bondArray[i].length);
+  }
+  for (i = 1; i < numBonds + 1; ++i) {
+    bondLineParts = $split(molStringLines[i + numAtoms + 3], '[ ]+', 0);
+    firstAtom = __parseAndValidateInt(bondLineParts[1]);
+    secondAtom = __parseAndValidateInt(bondLineParts[2]);
+    bondIndex = __parseAndValidateInt(bondLineParts[3]);
+    bondArray[firstAtom][secondAtom] = bondIndex;
+    bondArray[secondAtom][firstAtom] = bondIndex;
+    $addBondToNonHAtom(dynamicCast((checkIndex(firstAtom, atomList.size) , atomList.array[firstAtom]), Q$JsMolCalc$Atom), bondIndex);
+    $addBondToNonHAtom(dynamicCast((checkIndex(secondAtom, atomList.size) , atomList.array[secondAtom]), Q$JsMolCalc$Atom), bondIndex);
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      bondArray[i][j] != 0 && $updateHybridization(currentAtom, bondArray[i][j]);
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    firstAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    if (($equals(firstAtom.element, 'C') || $equals(firstAtom.element, 'N')) && (firstAtom.hybridization == 2 || firstAtom.aromatic)) {
+      for (j = 1; j < numAtoms + 1; ++j) {
+        secondAtom = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if ((bondArray[i][j] == 1 || bondArray[i][j] == 2 || secondAtom.aromatic && bondArray[i][j] != 0 || firstAtom.aromatic && bondArray[i][j] != 0) && ($equals(secondAtom.element, 'C') || $equals(secondAtom.element, 'N')) && secondAtom.hybridization == 2 && i != j) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            thirdAtom = dynamicCast((checkIndex(k, atomList.size) , atomList.array[k]), Q$JsMolCalc$Atom);
+            if ((bondArray[j][k] == 1 && bondArray[i][j] == 2 || bondArray[j][k] == 2 && bondArray[i][j] == 1 || thirdAtom.aromatic && bondArray[j][k] != 0 || secondAtom.aromatic && bondArray[j][k] != 0) && ($equals(thirdAtom.element, 'C') || $equals(thirdAtom.element, 'N')) && thirdAtom.hybridization == 2 && k != i && k != j) {
+              for (l = 1; l < numAtoms + 1; ++l) {
+                fourthAtom = dynamicCast((checkIndex(l, atomList.size) , atomList.array[l]), Q$JsMolCalc$Atom);
+                if ((bondArray[k][l] == 1 && bondArray[j][k] == 2 || bondArray[k][l] == 2 && bondArray[j][k] == 1 || fourthAtom.aromatic && bondArray[k][l] != 0 || thirdAtom.aromatic && bondArray[k][l] != 0) && ($equals(fourthAtom.element, 'C') || $equals(fourthAtom.element, 'N')) && fourthAtom.hybridization == 2 && l != i && l != j && l != k) {
+                  for (m = 1; m < numAtoms + 1; ++m) {
+                    fifthAtom = dynamicCast((checkIndex(m, atomList.size) , atomList.array[m]), Q$JsMolCalc$Atom);
+                    if ((bondArray[l][m] == 1 && bondArray[k][l] == 2 || bondArray[l][m] == 2 && bondArray[k][l] == 1 || fifthAtom.aromatic && bondArray[l][m] != 0 || fourthAtom.aromatic && bondArray[l][m] != 0) && ($equals(fifthAtom.element, 'C') || $equals(fifthAtom.element, 'N')) && fifthAtom.hybridization == 2 && m != i && m != j && m != k && m != l) {
+                      for (n = 1; n < numAtoms + 1; ++n) {
+                        sixthAtom = dynamicCast((checkIndex(n, atomList.size) , atomList.array[n]), Q$JsMolCalc$Atom);
+                        if ((bondArray[m][n] == 1 && bondArray[l][m] == 2 || bondArray[m][n] == 2 && bondArray[l][m] == 1 || sixthAtom.aromatic && bondArray[m][n] != 0 || fifthAtom.aromatic && bondArray[m][n] != 0) && ($equals(sixthAtom.element, 'C') || $equals(sixthAtom.element, 'N')) && sixthAtom.hybridization == 2 && n != i && n != j && n != k && n != l && n != m) {
+                          if (bondArray[n][i] == 2 && bondArray[m][n] == 1 || bondArray[n][i] == 1 && bondArray[m][n] == 2) {
+                            firstAtom.aromatic = true;
+                            secondAtom.aromatic = true;
+                            thirdAtom.aromatic = true;
+                            fourthAtom.aromatic = true;
+                            fifthAtom.aromatic = true;
+                            sixthAtom.aromatic = true;
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $processNeighbor(currentAtom, currentNeighbor.element, bondArray[i][j], currentNeighbor.aromatic);
+      }
+    }
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        if (currentNeighbor.hybridization < 3) {
+          for (k = 1; k < numAtoms + 1; ++k) {
+            bondArray[j][k] > 1 && k != i && ++currentAtom.numNeighborPi;
+          }
+        }
+      }
+    }
+  }
+  h = 0;
+  charge = 0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $getNumNeighborHs(atom);
+    h = h + atom.numNeighborHs;
+    charge = charge + atom.charge;
+  }
+  for (i = 1; i < numAtoms + 1; ++i) {
+    currentAtom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    for (j = 1; j < numAtoms + 1; ++j) {
+      if (bondArray[i][j] != 0) {
+        currentNeighbor = dynamicCast((checkIndex(j, atomList.size) , atomList.array[j]), Q$JsMolCalc$Atom);
+        $equals(currentAtom.element, 'N') && currentNeighbor.isACarbonyl && (currentAtom.amide = true);
+      }
+    }
+  }
+  illegalAtoms = new StringBuffer_0;
+  for (i = 1; i < numAtoms + 1; ++i) {
+    atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+    $equals(atom.element, 'C') && atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged C atom.<br>') , illegalAtoms);
+    if ($equals(atom.element, 'N')) {
+      atom.charge > 1 && ($append(illegalAtoms.data, 'An N atom with too high + charge.<br>') , illegalAtoms);
+      atom.charge < 0 && ($append(illegalAtoms.data, 'An N atom with - charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && !($equals(atom.doubleBondedNeighbor, 'O2') && $getNumNeighborHs(atom) == -2 && atom.numNeighborCs == 1 && atom.numNeighborXs == 2 && atom.charge == 0) && ($append(illegalAtoms.data, 'An N atom making too many bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'O')) {
+      atom.charge < -1 && ($append(illegalAtoms.data, 'An O atom with too high - charge.<br>') , illegalAtoms);
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An O atom with + charge.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'S')) {
+      atom.charge > 0 && ($append(illegalAtoms.data, 'An S atom with a + charge.<br>') , illegalAtoms);
+      $getNumNeighborHs(atom) < 0 && $getNumNeighborHs(atom) != -4 && $getNumNeighborHs(atom) != -2 && ($append(illegalAtoms.data, 'An S atom not making 2, 4, or 6 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'P')) {
+      atom.charge != 0 && ($append(illegalAtoms.data, 'A Charged P atom.<br>') , illegalAtoms);
+      atom.numNeighborHs != -3 && ($append(illegalAtoms.data, 'A P atom not making 5 bonds.<br>') , illegalAtoms);
+    }
+    if ($equals(atom.element, 'F') || $equals(atom.element, 'Cl') || $equals(atom.element, 'Br') || $equals(atom.element, 'I')) {
+      atom.charge != 0 && $append_0(illegalAtoms, 'A Charged ' + atom.element + ' atom.<br>');
+      atom.numBondsToNonHAtoms > 1 && $append_0(illegalAtoms, 'A ' + atom.element + ' atom making more than one bond.<br>');
+    }
+    $equals(atom.element, 'X') && ($append(illegalAtoms.data, 'An X atom.<br>') , illegalAtoms);
+  }
+  errorString = '';
+  $toString(illegalAtoms.data).length != 0 && (errorString = '<html><body>It is not possible to calculate the properties<br>of your molecule because it contains:<br>' + $toString(illegalAtoms.data) + '<\/body><\/html>');
+  logp = 0;
+  canMakeHbonds = false;
+  canMakeIonicBonds = false;
+  if ($toString(illegalAtoms.data).length == 0) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    for (i = 1; i < numAtoms + 1; ++i) {
+      atom = dynamicCast((checkIndex(i, atomList.size) , atomList.array[i]), Q$JsMolCalc$Atom);
+      currentAtomSpec = $getAtomSpec(atom);
+      logp = logp + currentAtomSpec.logp;
+      canMakeHbonds = canMakeHbonds || currentAtomSpec.canMakeHbonds;
+      canMakeIonicBonds = canMakeIonicBonds || currentAtomSpec.canMakeIonicBonds;
+      neighbors = new StringBuffer_0;
+      for (j = 1; j < numAtoms + 1; ++j) {
+        bondArray[i][j] != 0 && ($append(neighbors.data, j + ' ') , neighbors);
+      }
+      $append_0(atomDataLines, i + ' ' + currentAtomSpec.type + '; bonded to: ' + $toString(neighbors.data) + '; logp= ' + $format(nf, currentAtomSpec.logp) + '; H-bonds: ' + currentAtomSpec.canMakeHbonds + '; ionic bonds: ' + currentAtomSpec.canMakeIonicBonds + '\n');
+    }
+    logp < 0?(logpString = '<font color=green>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>'):(logpString = '<font color=red>Hydrophobicity index = ' + $format(nf, logp) + '<\/font>');
+    canMakeHbonds?(bondString = '<font color=green>Can Make Strong Hydrogen Bonds<\/font><br>'):(bondString = '<font color=red>Can not Make Strong Hydrogen Bonds<\/font><br>');
+    canMakeIonicBonds?(bondString += '<font color=green>Can Make Ionic Bonds<\/font>'):(bondString += '<font color=red>Can not Make Ionic Bonds<\/font>');
+  }
+  numBonds = 0;
+  numAromaticAtoms = 0;
+  c = 0;
+  n = 0;
+  o = 0;
+  s = 0;
+  p_0 = 0;
+  cl = 0;
+  br = 0;
+  f = 0;
+  iodine = 0;
+  formula = new StringBuffer_0;
+  for (i = 0; i < smileString.length; ++i) {
+    switch (smileString.charCodeAt(i)) {
+      case 67:
+        ++c;
+        break;
+      case 78:
+        ++n;
+        break;
+      case 79:
+        ++o;
+        break;
+      case 83:
+        ++s;
+        break;
+      case 80:
+        ++p_0;
+        break;
+      case 108:
+        --c;
+        ++cl;
+        break;
+      case 66:
+        ++br;
+        break;
+      case 70:
+        ++f;
+        break;
+      case 73:
+        ++iodine;
+        break;
+      case 99:
+        ++c;
+        ++numAromaticAtoms;
+        break;
+      case 110:
+        ++n;
+        ++numAromaticAtoms;
+        break;
+      case 115:
+        ++s;
+        ++numAromaticAtoms;
+        break;
+      case 111:
+        ++o;
+        ++numAromaticAtoms;
+        break;
+      case 35:
+        ++numBonds;
+      case 61:
+        ++numBonds;
+    }
+  }
+  $prettyPrint('C', c, formula);
+  $prettyPrint('H', h, formula);
+  $prettyPrint('N', n, formula);
+  $prettyPrint('O', o, formula);
+  $prettyPrint('P', p_0, formula);
+  $prettyPrint('S', s, formula);
+  $prettyPrint('Cl', cl, formula);
+  $prettyPrint('Br', br, formula);
+  $prettyPrint('F', f, formula);
+  $prettyPrint('I', iodine, formula);
+  if (charge != 0) {
+    $append(formula.data, '(');
+    charge == -1?($append(formula.data, '-') , formula):charge > 0 && ($append(formula.data, '+') , formula);
+    (charge < 0?-charge:charge) != 1 && ($append(formula.data, '' + charge) , formula);
+    $append(formula.data, ')');
+  }
+  formulaString = 'Formula: ' + $toString(formula.data);
+  $equals(errorString, '')?(moleculeInfo = '<html><body>' + formulaString + '<br>' + logpString + '<br>' + bondString + '<\/body><\/html>'):(moleculeInfo = errorString);
+  if ($equals(errorString, '')) {
+    nf = ($clinit_NumberFormat() , new NumberFormat_1($getDefaultNative()));
+    targets = '<html><body>Edit the molecule so that it:<br><ul>';
+    targets += '<li>can ';
+    canMakeHbonds && (targets += ' not ');
+    targets += 'make Hydrogen bonds<\/li>';
+    targets += '<li>can ';
+    canMakeIonicBonds && (targets += ' not ');
+    targets += 'make Ionic bonds<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp - 1.5);
+    targets += ' and ';
+    targets += $format(nf, logp - 0.5);
+    targets += '<\/li>';
+    targets += '<li>has a relative hydrophobicity between ';
+    targets += $format(nf, logp + 0.5);
+    targets += ' and ';
+    targets += $format(nf, logp + 1.5);
+    targets += '<\/li>';
+    targets += '<\/ul><\/body><\/html>';
+  }
+  return new JsMolCalc$InfoAndTargets_0(moleculeInfo);
+}
+
+function $prettyPrint(atomLabel, number, outString){
+  if (number == 0) {
+    return;
+  }
+  $append(outString.data, atomLabel);
+  if (number == 1) {
+    $append(outString.data, ' ');
+    return;
+  }
+  $append(outString.data, '<sub>' + number + '<\/sub> ');
+}
+
+function JsMolCalc_0(){
+  new ArrayList_0;
+}
+
+defineSeed(41, 1, {}, JsMolCalc_0);
+function $addBondToNonHAtom(this$static, bondIndex){
+  this$static.numBondsToNonHAtoms = this$static.numBondsToNonHAtoms + bondIndex;
+}
+
+--></script>
+<script><!--
+function $getAtomSpec(this$static){
+  var charged;
+  this$static.chargeOffset = 0;
+  this$static.chargeString = '';
+  if ($equals(this$static.element, 'C')) {
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 4:
+            return new JsMolCalc$AtomSpec_0(0.528, 'C: sp3, H4', false, false);
+          case 3:
+            return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.528, 'C: sp3; C H H H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.267, 'C: sp3; C H H H, pi', false, false):new JsMolCalc$AtomSpec_0(-0.032, 'C: sp3; X H H H', false, false);
+          case 2:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.358, 'C: sp3; C C H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.008, 'C: sp3; C C H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.185, 'C: sp3; C C H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? ? H H', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.137, 'C: sp3; C X H H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.303, 'C: sp3; C X H H, 1 pi', false, false);
+                case 2:
+                  return new JsMolCalc$AtomSpec_0(-0.815, 'C: sp3; C X H H, 2 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; ? X H H, H2', false, false);
+              }
+            }
+
+          case 1:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(0.127, 'C: sp3; C C C H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.243, 'C: sp3; C C C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.499, 'C: sp3; C C C H, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.205, 'C: sp3; C C/X X H, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.305, 'C: sp3; C C/X X H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.709, 'C: sp3; C C/X X H, >1 pi', false, false);
+              }
+            }
+
+          case 0:
+            if (this$static.numNeighborXs == 0) {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.006, 'C: sp3; C C C C, no pi', false, false);
+                case 1:
+                  return new JsMolCalc$AtomSpec_0(-0.57, 'C: sp3; C C C C, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.317, 'C: sp3; C C C C, >1 pi', false, false);
+              }
+            }
+             else {
+              switch (this$static.numNeighborPi) {
+                case 0:
+                  return new JsMolCalc$AtomSpec_0(-0.316, 'C: sp3; C C/X C/X X, no pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(-0.723, 'C: sp3; C C/X C/X X, pi', false, false);
+              }
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: sp3; unknown', false, false);
+        }
+
+      case 2:
+        if (!this$static.aromatic) {
+          switch (this$static.numNeighborHs) {
+            case 2:
+              return new JsMolCalc$AtomSpec_0(0.42, 'C: sp2; =? H H', false, false);
+            case 1:
+              switch (this$static.numNeighborXs) {
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.001, 'C: sp2; =? X H, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.31, 'C: sp2; =? X H, 1 pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.466, 'C: sp2; =? C H, no pi', false, false):new JsMolCalc$AtomSpec_0(0.136, 'C: sp2; =? C H, 1 pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? H, unknown', false, false);
+              }
+
+            case 0:
+              switch (this$static.numNeighborXs) {
+                case 2:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.005, 'C: sp2; =? X X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.315, 'C: sp2; =? X X, pi', false, false);
+                case 1:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.03, 'C: sp2; =? C X, no pi', false, false):new JsMolCalc$AtomSpec_0(-0.027, 'C: sp2; =? C X, pi', false, false);
+                case 0:
+                  return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.05, 'C: sp2; =? C C, no pi', false, false):new JsMolCalc$AtomSpec_0(0.013, 'C: sp2; =? C C, pi', false, false);
+                default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; =? C C, unknown', false, false);
+              }
+
+            default:return new JsMolCalc$AtomSpec_0(0, 'C: sp2; unknown', false, false);
+          }
+        }
+
+        switch (this$static.numNeighborHs) {
+          case 1:
+            return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0.337, 'C: aromatic; C C H', false, false):new JsMolCalc$AtomSpec_0(0.126, 'C: aromatic; aro-N C H', false, false);
+          case 0:
+            switch (this$static.numNeighborXs) {
+              case 2:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown C X X', false, false):new JsMolCalc$AtomSpec_0(0.366, 'C: aromatic; aro-N C X', false, false);
+              case 1:
+                return this$static.numNeighborNAro == 0?new JsMolCalc$AtomSpec_0(-0.151, 'C: aromatic; C C X', false, false):new JsMolCalc$AtomSpec_0(0.174, 'C: aromatic; aro-N C C', false, false);
+              case 0:
+                return new JsMolCalc$AtomSpec_0(0.296, 'C: aromatic; C C C', false, false);
+              default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+            }
+
+          default:return new JsMolCalc$AtomSpec_0(0, 'C: aromatic; unknown', false, false);
+        }
+
+      case 1:
+        if (this$static.isAnAllene)
+          return new JsMolCalc$AtomSpec_0(2.073, 'C: =C=', false, false);
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.33, 'C: sp; ? ?', false, false):new JsMolCalc$AtomSpec_0(0.209, 'C: sp; ? H', false, false);
+      default:return new JsMolCalc$AtomSpec_0(0, 'C: unknown', false, false);
+    }
+  }
+  if ($equals(this$static.element, 'N')) {
+    charged = false;
+    if (this$static.charge == 1) {
+      charged = true;
+      if (this$static.aromatic) {
+        this$static.chargeOffset = -1;
+        this$static.chargeString = ' (N+Aro)';
+      }
+       else {
+        switch (this$static.numNeighborCs) {
+          case 4:
+            this$static.chargeOffset = -4.5;
+            this$static.chargeString = ' (N+quat)';
+            break;
+          case 3:
+            this$static.chargeOffset = -3;
+            this$static.chargeString = ' (N+tert)';
+            break;
+          case 2:
+            this$static.chargeOffset = -2.5;
+            this$static.chargeString = ' (N+sec)';
+            break;
+          case 1:
+            this$static.chargeOffset = -2;
+            this$static.chargeString = ' (N+pri)';
+            break;
+          default:this$static.chargeOffset = 0;
+            this$static.chargeString = ' (N+???)';
+        }
+      }
+    }
+    if (this$static.amide) {
+      switch (this$static.numNeighborHs) {
+        case 2:
+          return new JsMolCalc$AtomSpec_0(-0.646 + this$static.chargeOffset, 'N: amide; C=O H H' + this$static.chargeString, true, charged);
+        case 1:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(-0.096 + this$static.chargeOffset, 'N: amide; C=O C H' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.044 + this$static.chargeOffset, 'N: amide; C=O X H' + this$static.chargeString, true, charged);
+        case 0:
+          return this$static.numNeighborXs == 0?new JsMolCalc$AtomSpec_0(0.078 + this$static.chargeOffset, 'N: amide; C=O C C' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.118 + this$static.chargeOffset, 'N: amide; C=O C X' + this$static.chargeString, !charged, charged);
+      }
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 2:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-1.082 + this$static.chargeOffset, 'N: sp3; X H H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.534 + this$static.chargeOffset, 'N: sp3; C H H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(-0.329 + this$static.chargeOffset, 'N: sp3; C H H, pi' + this$static.chargeString, true, charged);
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.324 + this$static.chargeOffset, 'N: sp3; C X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.112 + this$static.chargeOffset, 'N: sp3; C C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.166 + this$static.chargeOffset, 'N: sp3; C C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.239 + this$static.chargeOffset, 'N: sp3; C C X' + this$static.chargeString, !charged, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.159 + this$static.chargeOffset, 'N: sp3; C C C, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.761 + this$static.chargeOffset, 'N: sp3; C C C, pi' + this$static.chargeString, !charged, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        if (this$static.aromatic) {
+          return new JsMolCalc$AtomSpec_0(-0.493 + this$static.chargeOffset, 'N: aromatic' + this$static.chargeString, !charged, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'C')) {
+          return this$static.numNeighborXs == 0?this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.007 + this$static.chargeOffset, 'N: sp2; =C ? H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.275 + this$static.chargeOffset, 'N: sp2; =C ? H, pi' + this$static.chargeString, true, charged):this$static.numNeighborPi == 0?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X no H, no pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.366 + this$static.chargeOffset, 'N: sp2; =C X H, no pi' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X no H, pi' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.251 + this$static.chargeOffset, 'N: sp2; =C X H, pi' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'N')) {
+          return this$static.numNeighborXs == 1?this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(0.536 + this$static.chargeOffset, 'N: sp2; =N ? H' + this$static.chargeString, true, charged):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.597 + this$static.chargeOffset, 'N: sp2; =N X H' + this$static.chargeString, true, charged);
+        }
+
+        if ($equals(this$static.doubleBondedNeighbor, 'O'))
+          return new JsMolCalc$AtomSpec_0(0.427 + this$static.chargeOffset, 'N: nitroso' + this$static.chargeString, true, charged);
+        if (this$static.numNeighborXs != 0)
+          return new JsMolCalc$AtomSpec_0(0.427, 'N: sp2; =? ?', true, charged);
+        return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: sp2; unknown' + this$static.chargeString, true, charged);
+      case 1:
+        return $equals(this$static.doubleBondedNeighbor, 'O2')?new JsMolCalc$AtomSpec_0(1.178, 'N: nitro', true, false):this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp no H' + this$static.chargeString, !charged, charged):new JsMolCalc$AtomSpec_0(-0.566 + this$static.chargeOffset, 'N: sp H' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'N: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'O')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      charged = true;
+      this$static.chargeOffset = -3.5;
+      this$static.chargeString = ' (-)';
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        switch (this$static.numNeighborHs) {
+          case 1:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(-0.522 + this$static.chargeOffset, 'O: sp3; X H' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(-0.467 + this$static.chargeOffset, 'O: sp3; C H, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.082 + this$static.chargeOffset, 'O: sp3; C H, pi' + this$static.chargeString, true, charged);
+          case 0:
+            if (this$static.numNeighborXs != 0)
+              return new JsMolCalc$AtomSpec_0(0.105 + this$static.chargeOffset, 'O: sp3; C X' + this$static.chargeString, true, charged);
+            return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.084 + this$static.chargeOffset, 'O: sp3; C C, no pi' + this$static.chargeString, true, charged):new JsMolCalc$AtomSpec_0(0.435 + this$static.chargeOffset, 'O: sp3; C C, pi' + this$static.chargeString, true, charged);
+          default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: sp3; unknown' + this$static.chargeString, true, charged);
+        }
+
+      case 2:
+        return new JsMolCalc$AtomSpec_0(-0.399 + this$static.chargeOffset, 'O: sp2' + this$static.chargeString, true, charged);
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'O: unknown' + this$static.chargeString, true, charged);
+    }
+  }
+  if ($equals(this$static.element, 'S')) {
+    charged = false;
+    if (this$static.charge == -1) {
+      this$static.chargeOffset = -0.75;
+      this$static.chargeString = ' (-)';
+      charged = true;
+    }
+    switch (this$static.hybridization) {
+      case 3:
+        return this$static.numNeighborHs == 0?new JsMolCalc$AtomSpec_0(0.255 + this$static.chargeOffset, 'S: sp3; C/X C/X' + this$static.chargeString, false, charged):new JsMolCalc$AtomSpec_0(0.419 + this$static.chargeOffset, 'S: sp3; C/X H' + this$static.chargeString, false, charged);
+      case 2:
+        return $equals(this$static.doubleBondedNeighbor, 'O')?new JsMolCalc$AtomSpec_0(-1.375, 'S: sulfoxide', false, charged):new JsMolCalc$AtomSpec_0(-0.148 + this$static.chargeOffset, 'S: sp2' + this$static.chargeString, false, charged);
+      case 1:
+        if ($equals(this$static.doubleBondedNeighbor, 'O2')) {
+          return new JsMolCalc$AtomSpec_0(-0.168, 'S: sulfone', false, charged);
+        }
+
+      default:return new JsMolCalc$AtomSpec_0(this$static.chargeOffset, 'S: unknown' + this$static.chargeString, false, charged);
+    }
+  }
+  if ($equals(this$static.element, 'P') && this$static.hybridization == 2) {
+    if ($equals(this$static.doubleBondedNeighbor, 'O')) {
+      return new JsMolCalc$AtomSpec_0(-0.447, 'P: in phosphate', false, false);
+    }
+    if ($equals(this$static.doubleBondedNeighbor, 'S')) {
+      return new JsMolCalc$AtomSpec_0(1.253, 'P: in thio-phosphate', false, false);
+    }
+    return new JsMolCalc$AtomSpec_0(0, 'P: unknown', false, false);
+  }
+  if ($equals(this$static.element, 'F')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.375, 'F; no pi', false, false):new JsMolCalc$AtomSpec_0(0.202, 'F; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Cl')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.512, 'Cl; no pi', false, false):new JsMolCalc$AtomSpec_0(0.663, 'Cl; pi', false, false);
+  }
+  if ($equals(this$static.element, 'Br')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(0.85, 'Br; no pi', false, false):new JsMolCalc$AtomSpec_0(0.839, 'Br; pi', false, false);
+  }
+  if ($equals(this$static.element, 'I')) {
+    return this$static.numNeighborPi == 0?new JsMolCalc$AtomSpec_0(1.05, 'I; no pi', false, false):new JsMolCalc$AtomSpec_0(1.109, 'I; pi', false, false);
+  }
+  return new JsMolCalc$AtomSpec_0(0, 'unknown atom', false, false);
+}
+
+function $getNumNeighborHs(this$static){
+  if ($equals(this$static.element, 'C')) {
+    this$static.numNeighborHs = this$static.hybridization + 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'N')) {
+    this$static.numNeighborHs = this$static.hybridization - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  if ($equals(this$static.element, 'O') || $equals(this$static.element, 'S')) {
+    this$static.numNeighborHs = this$static.hybridization - 1 - this$static.numNeighborCs - this$static.numNeighborXs + this$static.charge;
+    return this$static.numNeighborHs;
+  }
+  this$static.numNeighborHs = 1 - this$static.numNeighborCs - this$static.numNeighborXs;
+  return this$static.numNeighborHs;
+}
+
+function $processNeighbor(this$static, element, bondIndex, aromatic){
+  $equals(element, 'O') && bondIndex == 2 && (this$static.isACarbonyl = true);
+  aromatic && ++this$static.numNeighborAro;
+  $equals(element, 'N') && aromatic && ++this$static.numNeighborNAro;
+  bondIndex == 2 && ($equals(this$static.doubleBondedNeighbor, 'O')?(this$static.doubleBondedNeighbor = 'O2'):(this$static.doubleBondedNeighbor = element));
+  if ($equals(element, 'C')) {
+    ++this$static.numNeighborCs;
+    return;
+  }
+  ($equals(element, 'N') || $equals(element, 'O') || $equals(element, 'S') || $equals(element, 'Cl') || $equals(element, 'F') || $equals(element, 'Br') || $equals(element, 'I')) && ++this$static.numNeighborXs;
+  return;
+}
+
+function $updateHybridization(this$static, bondIndex){
+  if (this$static.isAnAllene) {
+    return;
+  }
+  if (bondIndex == 2 && this$static.alreadyHasOneDoubleBond) {
+    this$static.isAnAllene = true;
+    this$static.currentMaxBondIndex = 3;
+    this$static.hybridization = 1;
+    return;
+  }
+  bondIndex == 2 && (this$static.alreadyHasOneDoubleBond = true);
+  if (bondIndex > this$static.currentMaxBondIndex) {
+    this$static.currentMaxBondIndex = bondIndex;
+    this$static.hybridization = 4 - this$static.currentMaxBondIndex;
+  }
+}
+
+function JsMolCalc$Atom_0(){
+  this.element = '';
+  this.charge = 0;
+  this.aromatic = false;
+  this.amide = false;
+  this.isACarbonyl = false;
+  this.doubleBondedNeighbor = '';
+  this.numNeighborHs = 0;
+  this.numNeighborCs = 0;
+  this.numNeighborXs = 0;
+  this.hybridization = 3;
+  this.numNeighborPi = 0;
+  this.numNeighborNAro = 0;
+  this.numNeighborAro = 0;
+  this.chargeOffset = 0;
+  this.chargeString = '';
+  this.alreadyHasOneDoubleBond = false;
+  this.isAnAllene = false;
+  this.currentMaxBondIndex = 0;
+  this.numBondsToNonHAtoms = 0;
+}
+
+defineSeed(42, 1, makeCastMap([Q$JsMolCalc$Atom]), JsMolCalc$Atom_0);
+_.alreadyHasOneDoubleBond = false;
+_.amide = false;
+_.aromatic = false;
+_.charge = 0;
+_.chargeOffset = 0;
+_.chargeString = null;
+_.currentMaxBondIndex = 0;
+_.doubleBondedNeighbor = null;
+_.element = null;
+_.hybridization = 0;
+_.isACarbonyl = false;
+_.isAnAllene = false;
+_.numBondsToNonHAtoms = 0;
+_.numNeighborAro = 0;
+_.numNeighborCs = 0;
+_.numNeighborHs = 0;
+_.numNeighborNAro = 0;
+_.numNeighborPi = 0;
+_.numNeighborXs = 0;
+function JsMolCalc$AtomSpec_0(logp, type, canMakeHbonds, canMakeIonicBonds){
+  this.type = type;
+  this.logp = logp;
+  this.canMakeHbonds = canMakeHbonds;
+  this.canMakeIonicBonds = canMakeIonicBonds;
+}
+
+defineSeed(43, 1, {}, JsMolCalc$AtomSpec_0);
+_.canMakeHbonds = false;
+_.canMakeIonicBonds = false;
+_.logp = 0;
+_.type = null;
+function JsMolCalc$InfoAndTargets_0(info){
+  this.info = info;
+}
+
+defineSeed(44, 1, {}, JsMolCalc$InfoAndTargets_0);
+_.info = null;
+function JsMolCalcAPI$API_0(){
+}
+
+defineSeed(45, 1, makeCastMap([Q$Exportable]), JsMolCalcAPI$API_0);
+function ArrayStoreException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(46, 6, makeCastMap([Q$Serializable, Q$Throwable]), ArrayStoreException_0);
+function digit_0(c){
+  if (c >= 48 && c < 58) {
+    return c - 48;
+  }
+  if (c >= 97 && c < 97) {
+    return c - 97 + 10;
+  }
+  if (c >= 65 && c < 65) {
+    return c - 65 + 10;
+  }
+  return -1;
+}
+
+function Class_0(){
+}
+
+function createForArray(packageName, className, seedId){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId != 0?-seedId:0) && setClassLiteral(seedId != 0?-seedId:0, clazz);
+  clazz.superclass = Ljava_lang_Object_2_classLit;
+  return clazz;
+}
+
+function createForClass(packageName, className, seedId, superclass){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(seedId) && setClassLiteral(seedId, clazz);
+  clazz.superclass = superclass;
+  return clazz;
+}
+
+function createForInterface(packageName, className){
+  var clazz;
+  clazz = new Class_0;
+  isInstantiable(0) && setClassLiteral(0, clazz);
+  return clazz;
+}
+
+function getSeedFunction(clazz){
+  var func = seedTable[clazz.seedId];
+  clazz = null;
+  return func;
+}
+
+function isInstantiable(seedId){
+  return typeof seedId == 'number' && seedId > 0;
+}
+
+function setClassLiteral(seedId, clazz){
+  var proto;
+  clazz.seedId = seedId;
+  if (seedId == 2) {
+    proto = String.prototype;
+  }
+   else {
+    if (seedId > 0) {
+      var seed = getSeedFunction(clazz);
+      if (seed) {
+        proto = seed.prototype;
+      }
+       else {
+        seed = seedTable[seedId] = function(){
+        }
+        ;
+        seed.___clazz$ = clazz;
+        return;
+      }
+    }
+     else {
+      return;
+    }
+  }
+  proto.___clazz$ = clazz;
+}
+
+defineSeed(48, 1, {}, Class_0);
+_.seedId = 0;
+_.superclass = null;
+function ClassCastException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(49, 6, makeCastMap([Q$Serializable, Q$Throwable]), ClassCastException_0);
+function __parseAndValidateInt(s){
+  var i, length_0, startIndex, toReturn;
+  if (s == null) {
+    throw new NumberFormatException_0('null');
+  }
+  length_0 = s.length;
+  startIndex = length_0 > 0 && s.charCodeAt(0) == 45?1:0;
+  for (i = startIndex; i < length_0; ++i) {
+    if (digit_0(s.charCodeAt(i)) == -1) {
+      throw new NumberFormatException_0('For input string: "' + s + '"');
+    }
+  }
+  toReturn = parseInt(s, 10);
+  if (isNaN(toReturn)) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+   else if (toReturn < -2147483648 || toReturn > 2147483647) {
+    throw new NumberFormatException_0('For input string: "' + s + '"');
+  }
+  return toReturn;
+}
+
+function IllegalArgumentException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(52, 6, makeCastMap([Q$Serializable, Q$Throwable]), IllegalArgumentException_0);
+function IndexOutOfBoundsException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(53, 6, makeCastMap([Q$Serializable, Q$Throwable]), IndexOutOfBoundsException_0);
+function NullPointerException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(54, 6, makeCastMap([Q$Serializable, Q$Throwable]), NullPointerException_0);
+function NumberFormatException_0(message){
+  $fillInStackTrace();
+}
+
+defineSeed(55, 52, makeCastMap([Q$Serializable, Q$Throwable]), NumberFormatException_0);
+function StackTraceElement_0(methodName){
+}
+
+defineSeed(56, 1, makeCastMap([Q$Serializable, Q$StackTraceElement]), StackTraceElement_0);
+function $charAt(this$static, index){
+  return this$static.charCodeAt(index);
+}
+
+function $equals(this$static, other){
+  if (!instanceOf(other, Q$String)) {
+    return false;
+  }
+  return String(this$static) == other;
+}
+
+function $indexOf(this$static, str){
+  return this$static.indexOf(str);
+}
+
+function $indexOf_0(this$static, str, startIndex){
+  return this$static.indexOf(str, startIndex);
+}
+
+function $split(this$static, regex, maxMatch){
+  var compiled = new RegExp(regex, 'g');
+  var out = [];
+  var count = 0;
+  var trail = this$static;
+  var lastTrail = null;
+  while (true) {
+    var matchObj = compiled.exec(trail);
+    if (matchObj == null || trail == '' || count == maxMatch - 1 && maxMatch > 0) {
+      out[count] = trail;
+      break;
+    }
+     else {
+      out[count] = trail.substring(0, matchObj.index);
+      trail = trail.substring(matchObj.index + matchObj[0].length, trail.length);
+      compiled.lastIndex = 0;
+      if (lastTrail == trail) {
+        out[count] = trail.substring(0, 1);
+        trail = trail.substring(1);
+      }
+      lastTrail = trail;
+      count++;
+    }
+  }
+  if (maxMatch == 0 && this$static.length > 0) {
+    var lastNonEmpty = out.length;
+    while (lastNonEmpty > 0 && out[lastNonEmpty - 1] == '') {
+      --lastNonEmpty;
+    }
+    lastNonEmpty < out.length && out.splice(lastNonEmpty, out.length - lastNonEmpty);
+  }
+  var jr = __createArray(out.length);
+  for (var i = 0; i < out.length; ++i) {
+    jr[i] = out[i];
+  }
+  return jr;
+}
+
+function $substring(this$static, beginIndex){
+  return this$static.substr(beginIndex, this$static.length - beginIndex);
+}
+
+function $trim(this$static){
+  if (this$static.length == 0 || this$static[0] > ' ' && this$static[this$static.length - 1] > ' ') {
+    return this$static;
+  }
+  var r1 = this$static.replace(/^(\s*)/, '');
+  var r2 = r1.replace(/\s*$/, '');
+  return r2;
+}
+
+function __createArray(numElements){
+  return initDim(_3Ljava_lang_String_2_classLit, makeCastMap([Q$Serializable]), Q$String, numElements, 0);
+}
+
+_ = String.prototype;
+_.castableTypeMap$ = makeCastMap([Q$String, Q$Serializable, Q$CharSequence, Q$Comparable]);
+_.equals$ = function equals_0(other){
+  return $equals(this, other);
+}
+;
+_.hashCode$ = function hashCode_1(){
+  return getHashCode_0(this);
+}
+;
+function $clinit_String$HashCache(){
+  $clinit_String$HashCache = nullMethod;
+  back_0 = {};
+  front = {};
+}
+
+function compute(str){
+  var hashCode, i, n, nBatch;
+  hashCode = 0;
+  n = str.length;
+  nBatch = n - 4;
+  i = 0;
+  while (i < nBatch) {
+    hashCode = str.charCodeAt(i + 3) + 31 * (str.charCodeAt(i + 2) + 31 * (str.charCodeAt(i + 1) + 31 * (str.charCodeAt(i) + 31 * hashCode))) | 0;
+    i += 4;
+  }
+  while (i < n) {
+    hashCode = hashCode * 31 + $charAt(str, i++);
+  }
+  return hashCode | 0;
+}
+
+function getHashCode_0(str){
+  $clinit_String$HashCache();
+  var key = ':' + str;
+  var result = front[key];
+  if (result != null) {
+    return result;
+  }
+  result = back_0[key];
+  result == null && (result = compute(str));
+  increment();
+  return front[key] = result;
+}
+
+function increment(){
+  if (count_0 == 256) {
+    back_0 = front;
+    front = {};
+    count_0 = 0;
+  }
+  ++count_0;
+}
+
+var back_0, count_0 = 0, front;
+function $append_0(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $delete(this$static, end){
+  return $replace(this$static.data, 0, end, '') , this$static;
+}
+
+function StringBuffer_0(){
+  this.data = $createData();
+}
+
+defineSeed(58, 1, makeCastMap([Q$CharSequence]), StringBuffer_0);
+function $append_1(this$static, x){
+  $append(this$static.data, x);
+  return this$static;
+}
+
+function $charAt_0(this$static, index){
+  return $charAt($toString(this$static.data), index);
+}
+
+function $delete_0(this$static, start, end){
+  return $replace(this$static.data, start, end, '') , this$static;
+}
+
+function $insert(this$static, index, x){
+  return $replace(this$static.data, index, index, x) , this$static;
+}
+
+function $replace_0(this$static, start, end, toInsert){
+  $replace(this$static.data, start, end, toInsert);
+  return this$static;
+}
+
+function $setCharAt(this$static, index, x){
+  $replace_0(this$static, index, index + 1, String.fromCharCode(x));
+}
+
+function StringBuilder_0(){
+  this.data = $createData();
+}
+
+defineSeed(59, 1, makeCastMap([Q$CharSequence]), StringBuilder_0);
+function UnsupportedOperationException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(60, 6, makeCastMap([Q$Serializable, Q$Throwable]), UnsupportedOperationException_0);
+function $advanceToFind(iter, o){
+  var t;
+  while (iter.hasNext()) {
+    t = iter.next();
+    if (o == null?t == null:equals__devirtual$(o, t)) {
+      return iter;
+    }
+  }
+  return null;
+}
+
+defineSeed(61, 1, {});
+_.add = function add(o){
+  throw new UnsupportedOperationException_0;
+}
+;
+_.contains = function contains(o){
+  var iter;
+  iter = $advanceToFind(this.iterator(), o);
+  return !!iter;
+}
+;
+defineSeed(63, 1, makeCastMap([Q$Map]));
+--></script>
+<script><!--
+_.equals$ = function equals_1(obj){
+  var entry, entry$iterator, otherKey, otherMap, otherValue;
+  if (obj === this) {
+    return true;
+  }
+  if (!instanceOf(obj, Q$Map)) {
+    return false;
+  }
+  otherMap = dynamicCast(obj, Q$Map);
+  if (this.size != otherMap.size) {
+    return false;
+  }
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(otherMap)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    otherKey = entry.getKey();
+    otherValue = entry.getValue();
+    if (!(otherKey == null?this.nullSlotLive:instanceOf(otherKey, Q$String)?':' + dynamicCast(otherKey, Q$String) in this.stringMap:$hasHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+    if (!equalsWithNullCheck(otherValue, otherKey == null?this.nullSlot:instanceOf(otherKey, Q$String)?$getStringValue(this, dynamicCast(otherKey, Q$String)):$getHashValue(this, otherKey, ~~hashCode__devirtual$(otherKey)))) {
+      return false;
+    }
+  }
+  return true;
+}
+;
+_.hashCode$ = function hashCode_2(){
+  var entry, entry$iterator, hashCode;
+  hashCode = 0;
+  for (entry$iterator = new AbstractHashMap$EntrySetIterator_0((new AbstractHashMap$EntrySet_0(this)).this$0); $hasNext(entry$iterator.iter);) {
+    entry = dynamicCast($next(entry$iterator.iter), Q$Map$Entry);
+    hashCode += entry.hashCode$();
+    hashCode = ~~hashCode;
+  }
+  return hashCode;
+}
+;
+function $addAllHashEntries(this$static, dest){
+  var hashCodeMap = this$static.hashCodeMap;
+  for (var hashCode in hashCodeMap) {
+    var hashCodeInt = parseInt(hashCode, 10);
+    if (hashCode == hashCodeInt) {
+      var array = hashCodeMap[hashCodeInt];
+      for (var i = 0, c = array.length; i < c; ++i) {
+        dest.add(array[i]);
+      }
+    }
+  }
+}
+
+function $addAllStringEntries(this$static, dest){
+  var stringMap = this$static.stringMap;
+  for (var key in stringMap) {
+    if (key.charCodeAt(0) == 58) {
+      var entry = new AbstractHashMap$MapEntryString_0(this$static, key.substring(1));
+      dest.add(entry);
+    }
+  }
+}
+
+function $containsKey(this$static, key){
+  return key == null?this$static.nullSlotLive:instanceOf(key, Q$String)?$hasStringValue(this$static, dynamicCast(key, Q$String)):$hasHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $get(this$static, key){
+  return key == null?this$static.nullSlot:instanceOf(key, Q$String)?$getStringValue(this$static, dynamicCast(key, Q$String)):$getHashValue(this$static, key, ~~hashCode__devirtual$(key));
+}
+
+function $getHashValue(this$static, key, hashCode){
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+  if (array) {
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+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return entry.getValue();
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+}
+
+function $getStringValue(this$static, key){
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+}
+
+function $hasHashValue(this$static, key, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
+        return true;
+      }
+    }
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+}
+
+function $hasStringValue(this$static, key){
+  return ':' + key in this$static.stringMap;
+}
+
+function $put(this$static, key, value){
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+}
+
+function $putHashValue(this$static, key, value, hashCode){
+  var array = this$static.hashCodeMap[hashCode];
+  if (array) {
+    for (var i = 0, c = array.length; i < c; ++i) {
+      var entry = array[i];
+      var entryKey = entry.getKey();
+      if (this$static.equalsBridge(key, entryKey)) {
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+        entry.setValue(value);
+        return previous;
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+  var entry = new MapEntryImpl_0(key, value);
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+  ++this$static.size;
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+}
+
+function $putNullSlot(this$static, value){
+  var result;
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+  this$static.nullSlot = value;
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+    this$static.nullSlotLive = true;
+    ++this$static.size;
+  }
+  return result;
+}
+
+function $putStringValue(this$static, key, value){
+  var result, stringMap = this$static.stringMap;
+  key = ':' + key;
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+  stringMap[key] = value;
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+}
+
+defineSeed(62, 63, makeCastMap([Q$Map]));
+_.equalsBridge = function equalsBridge(value1, value2){
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+}
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+_.nullSlotLive = false;
+_.size = 0;
+_.stringMap = null;
+defineSeed(65, 61, makeCastMap([Q$Set]));
+_.equals$ = function equals_2(o){
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+}
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+}
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+defineSeed(64, 65, makeCastMap([Q$Set]), AbstractHashMap$EntrySet_0);
+_.contains = function contains_0(o){
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+}
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+}
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+}
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+}
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+defineSeed(66, 1, {}, AbstractHashMap$EntrySetIterator_0);
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+  return $hasNext(this.iter);
+}
+;
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+}
+;
+_.iter = null;
+defineSeed(68, 1, makeCastMap([Q$Map$Entry]));
+_.equals$ = function equals_3(other){
+  var entry;
+  if (instanceOf(other, Q$Map$Entry)) {
+    entry = dynamicCast(other, Q$Map$Entry);
+    if (equalsWithNullCheck(this.getKey(), entry.getKey()) && equalsWithNullCheck(this.getValue(), entry.getValue())) {
+      return true;
+    }
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+  return false;
+}
+;
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+  var keyHash, valueHash;
+  keyHash = 0;
+  valueHash = 0;
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+  this.getValue() != null && (valueHash = hashCode__devirtual$(this.getValue()));
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+}
+;
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+  this.this$0 = this$0;
+}
+
+defineSeed(67, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryNull_0);
+_.getKey = function getKey(){
+  return null;
+}
+;
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+}
+;
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+}
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+}
+
+defineSeed(69, 68, makeCastMap([Q$Map$Entry]), AbstractHashMap$MapEntryString_0);
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+}
+;
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+}
+;
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+}
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+function checkIndex(index, size){
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+}
+
+function indexOutOfBounds(index, size){
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+}
+
+defineSeed(70, 61, makeCastMap([Q$List]));
+_.add = function add_0(obj){
+  $add(this, this.size_0(), obj);
+  return true;
+}
+;
+_.equals$ = function equals_4(o){
+  var elem, elemOther, iter, iterOther, other;
+  if (o === this) {
+    return true;
+  }
+  if (!instanceOf(o, Q$List)) {
+    return false;
+  }
+  other = dynamicCast(o, Q$List);
+  if (this.size_0() != other.size) {
+    return false;
+  }
+  iter = new AbstractList$IteratorImpl_0(this);
+  iterOther = new AbstractList$IteratorImpl_0(other);
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+    elemOther = $next(iterOther);
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+      return false;
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+  return true;
+}
+;
+_.hashCode$ = function hashCode_5(){
+  var iter, k, obj;
+  k = 1;
+  iter = new AbstractList$IteratorImpl_0(this);
+  while (iter.i < iter.this$0.size) {
+    obj = $next(iter);
+    k = 31 * k + (obj == null?0:hashCode__devirtual$(obj));
+    k = ~~k;
+  }
+  return k;
+}
+;
+_.iterator = function iterator_0(){
+  return new AbstractList$IteratorImpl_0(this);
+}
+;
+function $hasNext(this$static){
+  return this$static.i < this$static.this$0.size;
+}
+
+function $next(this$static){
+  if (this$static.i >= this$static.this$0.size) {
+    throw new NoSuchElementException_0;
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+}
+
+function AbstractList$IteratorImpl_0(this$0){
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+}
+
+defineSeed(71, 1, {}, AbstractList$IteratorImpl_0);
+_.hasNext = function hasNext_0(){
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+}
+;
+_.next = function next_1(){
+  return $next(this);
+}
+;
+_.i = 0;
+_.this$0 = null;
+function $add(this$static, index, o){
+  (index < 0 || index > this$static.size) && indexOutOfBounds(index, this$static.size);
+  splice(this$static.array, index, 0, o);
+  ++this$static.size;
+}
+
+function $add_0(this$static, o){
+  setCheck(this$static.array, this$static.size++, o);
+  return true;
+}
+
+function $get_0(this$static, index){
+  checkIndex(index, this$static.size);
+  return this$static.array[index];
+}
+
+function $indexOf_1(this$static, o, index){
+  for (; index < this$static.size; ++index) {
+    if (equalsWithNullCheck(o, this$static.array[index])) {
+      return index;
+    }
+  }
+  return -1;
+}
+
+function ArrayList_0(){
+  this.array = initDim(_3Ljava_lang_Object_2_classLit, makeCastMap([Q$Serializable]), Q$Object, 0, 0);
+}
+
+function splice(array, index, deleteCount, value){
+  array.splice(index, deleteCount, value);
+}
+
+defineSeed(72, 70, makeCastMap([Q$Serializable, Q$List]), ArrayList_0);
+_.add = function add_1(o){
+  return $add_0(this, o);
+}
+;
+_.contains = function contains_1(o){
+  return $indexOf_1(this, o, 0) != -1;
+}
+;
+_.size_0 = function size_1(){
+  return this.size;
+}
+;
+_.size = 0;
+function fill(a, toIndex){
+  var i;
+  for (i = 0; i < toIndex; ++i) {
+    a[i] = 0;
+  }
+}
+
+function $equals_0(value1, value2){
+  return maskUndefined(value1) === maskUndefined(value2) || value1 != null && equals__devirtual$(value1, value2);
+}
+
+function HashMap_0(){
+  this.hashCodeMap = [];
+  this.stringMap = {};
+  this.nullSlotLive = false;
+  this.nullSlot = null;
+  this.size = 0;
+}
+
+defineSeed(74, 62, makeCastMap([Q$Serializable, Q$Map]), HashMap_0);
+function MapEntryImpl_0(key, value){
+  this.key = key;
+  this.value = value;
+}
+
+defineSeed(75, 68, makeCastMap([Q$Map$Entry]), MapEntryImpl_0);
+_.getKey = function getKey_1(){
+  return this.key;
+}
+;
+_.getValue = function getValue_1(){
+  return this.value;
+}
+;
+_.setValue = function setValue_1(value){
+  var old;
+  old = this.value;
+  this.value = value;
+  return old;
+}
+;
+_.key = null;
+_.value = null;
+function NoSuchElementException_0(){
+  $fillInStackTrace();
+}
+
+defineSeed(76, 6, makeCastMap([Q$Serializable, Q$Throwable]), NoSuchElementException_0);
+function equalsWithNullCheck(a, b){
+  return maskUndefined(a) === maskUndefined(b) || a != null && equals__devirtual$(a, b);
+}
+
+function ExportAllExporterImpl_0(){
+  new APIExporterImpl_0;
+}
+
+defineSeed(78, 1, {}, ExportAllExporterImpl_0);
+defineSeed(80, 1, {});
+function $addTypeMap(this$static, type, exportedConstructor){
+  $put(this$static.typeMap, type, exportedConstructor);
+}
+
+function $declarePackage(qualifiedExportName){
+  var i, l, o, prefix, superPackages;
+  superPackages = $split(qualifiedExportName, '\\.', 0);
+  prefix = $wnd;
+  i = 0;
+  for (l = superPackages.length - 1; i < l; ++i) {
+    if (!$equals(superPackages[i], 'client')) {
+      prefix[superPackages[i]] || (prefix[superPackages[i]] = {});
+      prefix = prefix != null?prefix[superPackages[i]]:null;
+    }
+  }
+  o = prefix != null?prefix[superPackages[i]]:null;
+  return o;
+}
+
+function ExporterBaseActual_0(){
+  this.typeMap = new HashMap_0;
+  new HashMap_0;
+  new HashMap_0;
+}
+
+function isAssignableToClass(o, clazz){
+  var sup, maybeJsoInvocation;
+  if (Ljava_lang_Object_2_classLit == clazz) {
+    return true;
+  }
+  if (Lorg_timepedia_exporter_client_Exportable_2_classLit == clazz && instanceOf(o, Q$Exportable)) {
+    return true;
+  }
+  if (o != null) {
+    for (sup = (maybeJsoInvocation = o , isJavaObject(maybeJsoInvocation)?maybeJsoInvocation.___clazz$:Lcom_google_gwt_core_client_JavaScriptObject_2_classLit); !!sup && sup != Ljava_lang_Object_2_classLit; sup = sup.superclass) {
+      if (sup == clazz) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+defineSeed(79, 80, {}, ExporterBaseActual_0);
+function $clinit_ExporterUtil(){
+  $clinit_ExporterUtil = nullMethod;
+  impl = new ExporterBaseActual_0;
+}
+
+function addTypeMap(type, exportedConstructor){
+  $clinit_ExporterUtil();
+  $addTypeMap(impl, type, exportedConstructor);
+}
+
+function isAssignableToInstance(clazz, args){
+  var o;
+  $clinit_ExporterUtil();
+  return o = args && args[0] && (typeof args[0] == 'object' || typeof args[0] == 'function')?args[0]:null , isAssignableToClass(o, clazz);
+}
+
+var impl;
+var $entry = entry_0;
+function gwtOnLoad(errFn, modName, modBase, softPermutationId){
+  $moduleName = modName;
+  $moduleBase = modBase;
+  if (errFn)
+    try {
+      $entry(init)();
+    }
+     catch (e) {
+      errFn(modName);
+    }
+   else {
+    $entry(init)();
+  }
+}
+
+var Ljava_lang_Object_2_classLit = createForClass('java.lang.', 'Object', 1, null), Lcom_google_gwt_core_client_JavaScriptObject_2_classLit = createForClass('com.google.gwt.core.client.', 'JavaScriptObject$', 9, Ljava_lang_Object_2_classLit), _3I_classLit = createForArray('', '[I', 87), _3Ljava_lang_Object_2_classLit = createForArray('[Ljava.lang.', 'Object;', 85), Ljava_lang_Throwable_2_classLit = createForClass('java.lang.', 'Throwable', 8, Ljava_lang_Object_2_classLit), Ljava_lang_Exception_2_classLit = createForClass('java.lang.', 'Exception', 7, Ljava_lang_Throwable_2_classLit), Ljava_lang_RuntimeException_2_classLit = createForClass('java.lang.', 'RuntimeException', 6, Ljava_lang_Exception_2_classLit), Ljava_lang_StackTraceElement_2_classLit = createForClass('java.lang.', 'StackTraceElement', 56, Ljava_lang_Object_2_classLit), _3Ljava_lang_StackTraceElement_2_classLit = createForArray('[Ljava.lang.', 'StackTraceElement;', 88), Lcom_google_gwt_lang_SeedUtil_2_classLit = 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Ljava_lang_Object_2_classLit), Ljava_util_MapEntryImpl_2_classLit = createForClass('java.util.', 'MapEntryImpl', 75, Ljava_util_AbstractMapEntry_2_classLit), Ljava_lang_IndexOutOfBoundsException_2_classLit = createForClass('java.lang.', 'IndexOutOfBoundsException', 53, Ljava_lang_RuntimeException_2_classLit), Ljava_util_NoSuchElementException_2_classLit = createForClass('java.util.', 'NoSuchElementException', 76, Ljava_lang_RuntimeException_2_classLit), Lcom_google_gwt_i18n_client_constants_NumberConstantsImpl_1_2_classLit = createForClass('com.google.gwt.i18n.client.constants.', 'NumberConstantsImpl_', 26, Ljava_lang_Object_2_classLit);
+$stats && $stats({moduleName:'jsmolcalc',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalEnd'});
+if ($wnd.jsmolcalc) $wnd.jsmolcalc.onScriptLoad();
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/clear.cache.gif b/common/static/js/capa/jsmolcalc/clear.cache.gif
new file mode 100644
index 0000000000..e565824aaf
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diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/clean.css b/common/static/js/capa/jsmolcalc/gwt/clean/clean.css
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+++ b/common/static/js/capa/jsmolcalc/gwt/clean/clean.css
@@ -0,0 +1,1264 @@
+/**
+ * The file contains styles for GWT widgets in the Clean theme.
+ *
+ * In order to maintain cross-browser compatibility, the following syntax is
+ * used to create IE6 specific style rules:
+ *    .gwt-Widget {
+ *      property: rule applies to all browsers
+ *      -property: rule applies only to IE6 (overrides previous rule)
+ *    }
+ *    * html .gwt-Widget {
+ *      property: rule applies to all versions of IE
+ *    }
+ */
+
+body, table td, select, button {
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-size: small;
+}
+pre {
+  font-family: "courier new", courier;
+  font-size: small;
+}
+body {
+  color: black;
+  margin: 10px;
+  border: 0px;
+  padding: 0px;
+  background: #fff;
+  direction: ltr;
+}
+a, a:visited {
+  color: #0066cc;
+  text-decoration:none;
+}
+
+a:hover {
+  color: #0066cc;
+  text-decoration:underline;
+}
+
+select {
+  background: white;
+}
+
+/**
+ * The reference theme can be used to determine when this style sheet has
+ * loaded.  Create a hidden div element with absolute position, assign the style
+ * name below, and attach it to the DOM.  Use a timer to detect when the
+ * element's height and width are set to 5px.
+ */
+.gwt-Reference-clean {
+  height: 5px;
+  width: 5px;
+  zoom: 1;
+}
+
+.gwt-Button {
+  margin: 0;
+  padding: 5px 7px;
+  text-decoration: none;
+  cursor: pointer;
+  cursor: hand;
+  font-size:small;
+  background: url("images/hborder.png") repeat-x 0px -2077px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  border-radius: 3px;
+ -moz-border-radius: 3px;
+}
+.gwt-Button:active {
+  border: 1px inset #ccc;
+}
+.gwt-Button:hover {
+  border-color: #939393;
+}
+.gwt-Button[disabled] {
+  cursor: default;
+  color: #888;
+}
+.gwt-Button[disabled]:hover {
+  border: 1px outset #ccc;
+}
+
+.gwt-CheckBox {
+}
+.gwt-CheckBox-disabled {
+  color: #888;
+}
+
+.gwt-DecoratorPanel {
+}
+.gwt-DecoratorPanel .topCenter {
+  border-top: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .bottomCenter {
+  border-bottom: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .topCenterInner,
+.gwt-DecoratorPanel .bottomCenterInner {
+  height: 1px;
+  line-height: 0px;
+  font-size: 1px;
+}
+.gwt-DecoratorPanel .middleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleLeftInner,
+.gwt-DecoratorPanel .middleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-DecoratorPanel .topLeftInner,
+.gwt-DecoratorPanel .topRightInner,
+.gwt-DecoratorPanel .bottomLeftInner,
+.gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+  font-size: 1px;
+  overflow: hidden;
+}
+.gwt-DecoratorPanel .topLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+}
+.gwt-DecoratorPanel .topRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+}
+.gwt-DecoratorPanel .bottomLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+}
+.gwt-DecoratorPanel .bottomRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+}
+* html .gwt-DecoratorPanel .topLeftInner,
+* html .gwt-DecoratorPanel .topRightInner,
+* html .gwt-DecoratorPanel .bottomLeftInner,
+* html .gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+
+.gwt-DialogBox .Caption {
+  background: #F1F1F1;
+  padding: 4px 8px 4px 4px;
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-weight: bold;
+  border-bottom: 1px solid #bbbbbb;
+  border-top: 1px solid #D2D2D2;
+}
+.gwt-DialogBox .dialogContent {
+}
+.gwt-DialogBox .dialogMiddleCenter {
+  padding: 3px;
+  background: white;
+}
+.gwt-DialogBox .dialogBottomCenter {
+  background: url(images/hborder.png) repeat-x 0px -2945px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2144px;
+}
+.gwt-DialogBox .dialogMiddleLeft {
+  background: url(images/vborder.png) repeat-y -31px 0px;
+}
+.gwt-DialogBox .dialogMiddleRight {
+  background: url(images/vborder.png) repeat-y -32px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -32px 0px;
+}
+.gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopLeft {
+  background: url(images/circles.png) no-repeat -20px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -20px 0px;
+}
+.gwt-DialogBox .dialogTopRight {
+  background: url(images/circles.png) no-repeat -28px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -28px 0px;
+}
+.gwt-DialogBox .dialogBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -36px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -36px;
+}
+.gwt-DialogBox .dialogBottomRight {
+  background: url(images/circles.png) no-repeat -8px -36px;
+  -background: url(images/circles_ie6.png) no-repeat -8px -36px;
+}
+* html .gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  overflow: hidden;
+}
+
+.gwt-DisclosurePanel {
+}
+.gwt-DisclosurePanel-open {
+}
+.gwt-DisclosurePanel-closed {
+}
+.gwt-DisclosurePanel .header,
+.gwt-DisclosurePanel .header a,
+.gwt-DisclosurePanel .header td {
+  text-decoration: none;  /* Remove underline from header */
+  color: black; 
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DisclosurePanel .content {
+  border-left: 3px solid #e7e7e7;
+  padding: 4px 0px 4px 8px;
+  margin-left: 6px;
+}
+
+.gwt-FileUpload {
+}
+
+.gwt-Frame {
+  border-top: 2px solid #666;
+  border-left: 2px solid #666;
+  border-right: 2px solid #bbb;
+  border-bottom: 2px solid #bbb;
+}
+
+.gwt-HorizontalSplitPanel {
+}
+.gwt-HorizontalSplitPanel .hsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+.gwt-VerticalSplitPanel {
+}
+.gwt-VerticalSplitPanel .vsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+
+.gwt-HTML {
+  padding: 0 0px;
+}
+
+.gwt-Hyperlink {
+  cursor: pointer;
+}
+
+.gwt-Image {
+}
+
+.gwt-Label {
+}
+
+.gwt-ListBox {
+}
+
+.gwt-MenuBar {
+  cursor: default;
+}
+.gwt-MenuBar .gwt-MenuItem {
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-MenuBar .gwt-MenuItem-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBar-horizontal {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border: 1px solid #e0e0e0;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItem {
+  padding: 5px 10px;
+  vertical-align: bottom;
+  color: #000;
+  font-weight: bold;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator {
+  width: 1px;
+  padding: 0px;
+  margin: 0px;
+  border: 0px;
+  border-left: 1px solid #ccc;
+  background: white;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator .menuSeparatorInner {
+  width: 1px;
+  height: 1px;
+  background: white; 
+}
+.gwt-MenuBar-vertical {
+  margin-top: 0px;
+  margin-left: 0px;
+  background: white;
+}
+.gwt-MenuBar-vertical table {
+  border-collapse: collapse;
+}
+.gwt-MenuBar-vertical .gwt-MenuItem {
+  padding: 2px 40px 2px 1px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator {
+  padding: 2px 0px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator .menuSeparatorInner {
+  height: 1px;
+  padding: 0px;
+  border: 0px;
+  border-top: 1px solid #ccc;
+  overflow: hidden;
+}
+.gwt-MenuBar-vertical .subMenuIcon {
+  padding-right: 4px;
+}
+.gwt-MenuBar-vertical .subMenuIcon-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBarPopup {
+  margin: 0px 0px 0px 3px;
+}
+.gwt-MenuBarPopup .menuPopupTopCenter {
+  background: url(images/hborder.png) 0px -12px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupBottomCenter {
+  background: url(images/hborder.png) 0px -13px repeat-x;
+  -background: url(images/hborder_ie6.png) 0px -13px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupMiddleLeft {
+  background: url(images/vborder.png) -12px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -12px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupMiddleRight {
+  background: url(images/vborder.png) -13px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -13px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopLeft {
+  background: url(images/corner.png) no-repeat 0px -36px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -36px;
+}
+.gwt-MenuBarPopup .menuPopupTopRight {
+  background: url(images/corner.png) no-repeat -5px -36px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -36px;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeft {
+  background: url(images/corner.png) no-repeat 0px -41px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -41px;
+}
+.gwt-MenuBarPopup .menuPopupBottomRight {
+  background: url(images/corner.png) no-repeat -5px -41px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -41px;
+}
+* html .gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  overflow: hidden;
+}
+
+.gwt-PasswordTextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-PasswordTextBox-readonly {
+  color: #888;
+}
+
+.gwt-PopupPanel {
+  border: 3px solid #e7e7e7;
+  padding: 3px;
+  background: white;
+}
+
+.gwt-DecoratedPopupPanel .popupContent {
+}
+.gwt-DecoratedPopupPanel .popupMiddleCenter {
+  padding: 3px;
+  background: #f1f1f1;
+}
+.gwt-DecoratedPopupPanel .popupTopCenter {
+  background: url(images/hborder.png) 0px -2937px repeat-x;
+}
+.gwt-DecoratedPopupPanel .popupBottomCenter {
+  background:  url(images/hborder.png) repeat-x 0px -2938px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2138px;
+}
+.gwt-DecoratedPopupPanel .popupMiddleLeft {
+  background: url(images/vborder.png) -21px 0px repeat-y;
+}
+.gwt-DecoratedPopupPanel .popupMiddleRight {
+  background: url(images/vborder.png) repeat-y -24px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -24px 0px;
+}
+.gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -16px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -16px;
+}
+.gwt-DecoratedPopupPanel .popupTopRight {
+  background: url(images/circles.png) no-repeat -6px -16px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -16px;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -21px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -21px;
+}
+.gwt-DecoratedPopupPanel .popupBottomRight {
+  background: url(images/circles.png) no-repeat -6px -21px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -21px;
+}
+* html .gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+
+.gwt-PopupPanelGlass {
+  background-color: #000;
+  opacity: 0.3;
+  filter: alpha(opacity=30);
+}
+
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled,
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  border-radius: 2px;
+  -moz-border-radius: 2px;
+}
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-PushButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  padding: 4px 4px 2px 6px;
+  outline:none;
+}
+.gwt-PushButton-down {
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-hovering {
+  border: 1px solid #939393;
+  border-top: 1px solid #333333;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-disabled {
+  border: 1px outset #ccc;
+  cursor: default;
+  opacity: 0.5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+
+.gwt-RadioButton {
+}
+.gwt-RadioButton-disabled {
+  color: #888;
+}
+
+.gwt-RichTextArea {
+}
+.hasRichTextToolbar {
+  border: 0px;
+}
+.gwt-RichTextToolbar {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border-bottom: 1px solid #BBBBBB;
+  padding: 3px;
+  margin: 0px;
+}
+.gwt-RichTextToolbar .gwt-PushButton-up {
+  padding: 0px 1px 0px 0px;
+  margin-right: 4px;
+  margin-bottom: 4px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-up-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down-hovering {
+  margin-right: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+
+.gwt-StackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-DecoratedStackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft,
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  height: 6px;
+  width: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft {
+  border-left: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat 0px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat 0px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  border-right: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat -6px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat -6px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeftInner,
+.gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 1px;
+  height: 1px;
+}
+* html .gwt-DecoratedStackPanel .stackItemTopLeftInner,
+* html .gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+.gwt-DecoratedStackPanel .stackItemTopCenter {
+  background: url(images/hborder.png) 0px -21px repeat-x;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeft {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-left: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeftInner,
+.gwt-DecoratedStackPanel .stackItemMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleRight {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-right: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleCenter {
+  font-weight: bold;
+  font-size: 1.3em;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopRight,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopLeft {
+  border: 0px;
+  background-color: white;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopLeft,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopRight {
+  background-color: white;
+}
+
+.gwt-SuggestBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+
+.gwt-SuggestBoxPopup {
+}
+
+.gwt-SuggestBoxPopup .item {
+  padding: 2px 6px;
+  color: #000;
+  cursor: default;
+  font-size: 110%;
+}
+.gwt-SuggestBoxPopup .item-selected {
+  background: #D5E2FF;
+}
+.gwt-SuggestBoxPopup .suggestPopupContent {
+  background: white;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenter {
+  border-top: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomCenter {
+  border-bottom: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenterInner,
+.gwt-SuggestBoxPopup .suggestPopupBottomCenterInner {
+  height: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeftInner,
+.gwt-SuggestBoxPopup .suggestPopupMiddleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;  
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRight {
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRight {
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+  width:5px;
+  height:5px;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+
+.gwt-TabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-TabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-TabBar .gwt-TabBarRest {
+}
+.gwt-TabBar .gwt-TabBarItem {
+  margin-left: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabBar .gwt-TabBarItem-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+} 
+.gwt-TabBar .gwt-TabBarItem-disabled {
+  cursor: default;
+  color: #999999;
+}
+.gwt-TabPanel {
+}
+.gwt-TabPanelBottom {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-DecoratedTabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-DecoratedTabBar .gwt-TabBarRest {
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem {
+  border-collapse: collapse;
+  margin-left: 4px;
+}
+.gwt-DecoratedTabBar .tabTopCenter {
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabTopLeft,
+.gwt-DecoratedTabBar .tabTopRight {
+  padding: 0px;
+  zoom: 1;
+}
+.gwt-DecoratedTabBar .tabTopLeftInner,
+.gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+}
+.gwt-DecoratedTabBar .tabTopLeft {
+  background: url(images/circles.png) no-repeat 0px 0px;
+  -background: url(images/circles_ie6.png) no-repeat 0px 0px;
+}
+.gwt-DecoratedTabBar .tabTopRight {
+  background: url(images/circles.png) no-repeat -3px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -3px 0px;
+}
+* html .gwt-DecoratedTabBar .tabTopLeftInner,
+* html .gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+  overflow: hidden;
+}
+.gwt-DecoratedTabBar .tabMiddleLeft,
+.gwt-DecoratedTabBar .tabMiddleRight {
+  width: 3px;
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabMiddleLeftInner,
+.gwt-DecoratedTabBar .tabMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedTabBar .tabMiddleCenter {
+  padding: 0px 5px 4px 5px;
+  cursor: pointer;
+  cursor: hand;
+  color: #fff;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopCenter {
+  background:#fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopLeft {
+  background: url(images/circles.png) no-repeat -6px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -6px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopRight {
+  background: url(images/circles.png) no-repeat -9px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -9px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleLeft,
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleRight {
+  background: #fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleCenter {
+  cursor: default;
+  background: #fff;
+  color:#333;
+  font-weight:bold;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-disabled .tabMiddleCenter {
+  cursor: default;
+  color: #999999;
+}
+
+.gwt-TextArea {
+  padding: 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #666;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextArea-readonly {
+  color: #888;
+}
+
+.gwt-TextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: small;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextBox-readonly {
+  color: #888;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled,
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  -moz-border-radius: 2px;
+  border-radius: 2px;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-ToggleButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;  
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  padding: 4px 4px 2px 6px;
+}
+.gwt-ToggleButton-down {
+  background-position: 0 -513px;
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-hovering {
+  background-position: 0 -513px;
+  border: 1px inset;
+  border-color: #9cf #69e #69e #7af;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-disabled {
+  background-position: 0 -513px;
+  border: 1px inset #ccc;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+
+.gwt-Tree .gwt-TreeItem {
+  padding: 1px 0px;
+  margin: 0px;
+  white-space: nowrap;
+  cursor: hand;
+  cursor: pointer;
+}
+.gwt-Tree .gwt-TreeItem-selected {
+  background: #ebeff9;
+}
+.gwt-TreeItem .gwt-RadioButton input,
+.gwt-TreeItem .gwt-CheckBox input {
+  margin-left: 0px;
+}
+* html .gwt-TreeItem .gwt-RadioButton input,
+* html .gwt-TreeItem .gwt-CheckBox input {
+  margin-left: -4px;
+}
+
+.gwt-DateBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-DateBox input {
+  width: 8em;
+}
+.dateBoxFormatError {
+  background: #ffcccc;
+}
+.dateBoxPopup {
+}
+
+.gwt-DatePicker {
+  border: 1px solid #ccc;
+  border-top:1px solid #999;
+  cursor: default;
+}
+.gwt-DatePicker td,
+.datePickerMonthSelector td:focus {
+  outline: none;
+}
+.datePickerDays {
+  width: 100%;
+  background: white;
+}
+.datePickerDay,
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  font-size: 85%;
+  text-align: center;
+  padding: 4px;
+  outline: none;
+  font-weight:bold;
+  color:#333;
+  border-right: 1px solid #EDEDED;
+  border-bottom: 1px solid #EDEDED;
+}
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  background: #fff;
+  padding: 0px 4px 2px;
+  cursor: default;
+  color:#666;
+  font-size:70%;
+  font-weight:normal;
+}
+.datePickerDay {
+  padding: 4px 7px;
+  cursor: hand;
+  cursor: pointer;
+}
+.datePickerDayIsWeekend {
+  background: #f7f7f7;
+}
+.datePickerDayIsFiller {
+  color: #999;
+  font-weight:normal;
+}
+.datePickerDayIsValue {
+  background: #d7dfe8;
+}
+.datePickerDayIsDisabled {
+  color: #AAAAAA;
+  font-style: italic;
+}
+.datePickerDayIsHighlighted {
+  background: #F0E68C;
+}
+.datePickerDayIsValueAndHighlighted {
+  background: #d7dfe8;
+}
+.datePickerDayIsToday {
+  padding: 3px;
+  color: #fff;
+  background: url(images/hborder.png) repeat-x 0px -2607px;
+}
+
+.datePickerMonthSelector {
+  width: 100%;
+  padding: 1px 0 5px 0;
+  background: #fff;
+}
+td.datePickerMonth {
+  text-align: center;
+  vertical-align: middle;
+  white-space: nowrap;
+  font-size: 100%;
+  font-weight: bold;
+  color: #333;
+}
+.datePickerPreviousButton,
+.datePickerNextButton {
+  font-size: 120%;
+  line-height: 1em;
+  color: #3a6aad;
+  cursor: hand;
+  cursor: pointer;
+  font-weight: bold;
+  padding: 0px 4px;
+  outline: none;
+}
+
+.gwt-StackLayoutPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader-hovering {
+  background: #d3def6;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-TabLayoutPanel {
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTabs {
+  background: #ccc;
+  padding-top: 6px;
+  padding-left: 5px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContentContainer {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContent {
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab {
+  margin-left: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+}
+
+.gwt-SplitLayoutPanel-HDragger {
+  background: #e7e7e7 url(images/thumb_vertical.png) center center no-repeat;
+  cursor: col-resize;
+}
+
+.gwt-SplitLayoutPanel-VDragger {
+  background: #e7e7e7 url(images/thumb_horz.png) center center no-repeat;
+  cursor: row-resize;
+}
\ No newline at end of file
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/clean_rtl.css b/common/static/js/capa/jsmolcalc/gwt/clean/clean_rtl.css
new file mode 100644
index 0000000000..7e2c695ccf
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/gwt/clean/clean_rtl.css
@@ -0,0 +1,1265 @@
+/**
+ * The file contains styles for GWT widgets in the Clean theme, in RTL mode.
+ *
+ * In order to maintain cross-browser compatibility, the following syntax is
+ * used to create IE6 specific style rules:
+ *    .gwt-Widget {
+ *      property: rule applies to all browsers
+ *      -property: rule applies only to IE6 (overrides previous rule)
+ *    }
+ *    * html .gwt-Widget {
+ *      property: rule applies to all versions of IE
+ *    }
+ */
+
+body, table td, select, button {
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-size: small;
+}
+pre {
+  font-family: "courier new", courier;
+  font-size: small;
+}
+body {
+  color: black;
+  margin: 10px;
+  border: 0px;
+  padding: 0px;
+  background: #fff;
+  direction: rtl;
+}
+a, a:visited {
+  color: #0066cc;
+  text-decoration:none;
+}
+
+a:hover {
+  color: #0066cc;
+  text-decoration:underline;
+}
+
+select {
+  background: white;
+}
+
+/**
+ * The reference theme can be used to determine when this style sheet has
+ * loaded.  Create a hidden div element with absolute position, assign the style
+ * name below, and attach it to the DOM.  Use a timer to detect when the
+ * element's height and width are set to 5px.
+ */
+.gwt-Reference-clean-rtl {
+  height: 5px;
+  width: 5px;
+  zoom: 1;
+}
+
+.gwt-Button {
+  margin: 0;
+  padding: 5px 7px;
+  text-decoration: none;
+  cursor: pointer;
+  cursor: hand;
+  font-size:small;
+  background: url("images/hborder.png") repeat-x 0px -2077px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  border-radius: 3px;
+ -moz-border-radius: 3px;
+}
+.gwt-Button:active {
+  border: 1px inset #ccc;
+}
+.gwt-Button:hover {
+  border-color: #939393;
+}
+.gwt-Button[disabled] {
+  cursor: default;
+  color: #888;
+}
+.gwt-Button[disabled]:hover {
+  border: 1px outset #ccc;
+}
+
+.gwt-CheckBox {
+}
+.gwt-CheckBox-disabled {
+  color: #888;
+}
+
+.gwt-DecoratorPanel {
+}
+.gwt-DecoratorPanel .topCenter {
+  border-top: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .bottomCenter {
+  border-bottom: 1px solid #bbb;
+  line-height: 0px;
+}
+.gwt-DecoratorPanel .topCenterInner,
+.gwt-DecoratorPanel .bottomCenterInner {
+  height: 1px;
+  line-height: 0px;
+  font-size: 1px;
+}
+.gwt-DecoratorPanel .middleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-DecoratorPanel .middleLeftInner,
+.gwt-DecoratorPanel .middleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-DecoratorPanel .topLeftInner,
+.gwt-DecoratorPanel .topRightInner,
+.gwt-DecoratorPanel .bottomLeftInner,
+.gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+  font-size: 1px;
+  overflow: hidden;
+}
+.gwt-DecoratorPanel .topLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+}
+.gwt-DecoratorPanel .topRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+}
+.gwt-DecoratorPanel .bottomLeft {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+}
+.gwt-DecoratorPanel .bottomRight {
+  line-height: 0px;
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+}
+* html .gwt-DecoratorPanel .topLeftInner,
+* html .gwt-DecoratorPanel .topRightInner,
+* html .gwt-DecoratorPanel .bottomLeftInner,
+* html .gwt-DecoratorPanel .bottomRightInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+
+.gwt-DialogBox .Caption {
+  background: #F1F1F1;
+  padding: 4px 4px 4px 8px;
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+  font-weight: bold;
+  border-bottom: 1px solid #bbbbbb;
+  border-top: 1px solid #D2D2D2;
+}
+.gwt-DialogBox .dialogContent {
+}
+.gwt-DialogBox .dialogMiddleCenter {
+  padding: 3px;
+  background: white;
+}
+.gwt-DialogBox .dialogBottomCenter {
+  background: url(images/hborder.png) repeat-x 0px -2945px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2144px;
+}
+.gwt-DialogBox .dialogMiddleLeft {
+  background: url(images/vborder.png) repeat-y -31px 0px;
+}
+.gwt-DialogBox .dialogMiddleRight {
+  background: url(images/vborder.png) repeat-y -32px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -32px 0px;
+}
+.gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  zoom: 1;
+}
+.gwt-DialogBox .dialogTopLeft {
+  background: url(images/circles.png) no-repeat -20px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -20px 0px;
+}
+.gwt-DialogBox .dialogTopRight {
+  background: url(images/circles.png) no-repeat -28px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -28px 0px;
+}
+.gwt-DialogBox .dialogBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -36px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -36px;
+}
+.gwt-DialogBox .dialogBottomRight {
+  background: url(images/circles.png) no-repeat -8px -36px;
+  -background: url(images/circles_ie6.png) no-repeat -8px -36px;
+}
+* html .gwt-DialogBox .dialogTopLeftInner {
+  width: 10px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogTopRightInner {
+  width: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomLeftInner {
+  width: 10px;
+  height: 12px;
+  overflow: hidden;
+}
+* html .gwt-DialogBox .dialogBottomRightInner {
+  width: 12px;
+  height: 12px;
+  overflow: hidden;
+}
+
+.gwt-DisclosurePanel {
+}
+.gwt-DisclosurePanel-open {
+}
+.gwt-DisclosurePanel-closed {
+}
+.gwt-DisclosurePanel .header,
+.gwt-DisclosurePanel .header a,
+.gwt-DisclosurePanel .header td {
+  text-decoration: none;  /* Remove underline from header */
+  color: black; 
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DisclosurePanel .content {
+  border-right: 3px solid #e7e7e7;
+  padding: 4px 8px 4px 0px;
+  margin-right: 6px;
+}
+
+.gwt-FileUpload {
+}
+
+.gwt-Frame {
+  border-top: 2px solid #666;
+  border-left: 2px solid #666;
+  border-right: 2px solid #bbb;
+  border-bottom: 2px solid #bbb;
+}
+
+.gwt-HorizontalSplitPanel {
+}
+.gwt-HorizontalSplitPanel .hsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+.gwt-VerticalSplitPanel {
+}
+.gwt-VerticalSplitPanel .vsplitter {
+  cursor: move;
+  border: 0px; 
+  background: #e7e7e7;
+  line-height: 0px;
+}
+
+.gwt-HTML {
+  padding: 0 0px;
+}
+
+.gwt-Hyperlink {
+  cursor: pointer;
+}
+
+.gwt-Image {
+}
+
+.gwt-Label {
+}
+
+.gwt-ListBox {
+}
+
+.gwt-MenuBar {
+  cursor: default;
+}
+.gwt-MenuBar .gwt-MenuItem {
+  cursor: default;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-MenuBar .gwt-MenuItem-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBar-horizontal {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border: 1px solid #e0e0e0;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItem {
+  padding: 5px 10px;
+  vertical-align: bottom;
+  color: #000;
+  font-weight: bold;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator {
+  width: 1px;
+  padding: 0px;
+  margin: 0px;
+  border: 0px;
+  border-right: 1px solid #ccc;
+  background: white;
+}
+.gwt-MenuBar-horizontal .gwt-MenuItemSeparator .menuSeparatorInner {
+  width: 1px;
+  height: 1px;
+  background: white; 
+}
+.gwt-MenuBar-vertical {
+  margin-top: 0px;
+  margin-right: 0px;
+  background: white;
+}
+.gwt-MenuBar-vertical table {
+  border-collapse: collapse;
+}
+.gwt-MenuBar-vertical .gwt-MenuItem {
+  padding: 2px 1px 2px 40px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator {
+  padding: 2px 0px;
+}
+.gwt-MenuBar-vertical .gwt-MenuItemSeparator .menuSeparatorInner {
+  height: 1px;
+  padding: 0px;
+  border: 0px;
+  border-top: 1px solid #ccc;
+  overflow: hidden;
+}
+.gwt-MenuBar-vertical .subMenuIcon {
+  padding-left: 4px;
+}
+.gwt-MenuBar-vertical .subMenuIcon-selected {
+  background: #E3E8F3;
+}
+.gwt-MenuBarPopup {
+  margin: 0px 3px 0px 0px;
+}
+.gwt-MenuBarPopup .menuPopupTopCenter {
+  background: url(images/hborder.png) 0px -12px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupBottomCenter {
+  background: url(images/hborder.png) 0px -13px repeat-x;
+  -background: url(images/hborder_ie6.png) 0px -13px repeat-x;
+}
+.gwt-MenuBarPopup .menuPopupMiddleLeft {
+  background: url(images/vborder.png) -12px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -12px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupMiddleRight {
+  background: url(images/vborder.png) -13px 0px repeat-y;
+  -background: url(images/vborder_ie6.png) -13px 0px repeat-y;
+}
+.gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  zoom: 1;
+}
+.gwt-MenuBarPopup .menuPopupTopLeft {
+  background: url(images/corner.png) no-repeat 0px -36px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -36px;
+}
+.gwt-MenuBarPopup .menuPopupTopRight {
+  background: url(images/corner.png) no-repeat -5px -36px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -36px;
+}
+.gwt-MenuBarPopup .menuPopupBottomLeft {
+  background: url(images/corner.png) no-repeat 0px -41px;
+  -background: url(images/corner_ie6.png) no-repeat 0px -41px;
+}
+.gwt-MenuBarPopup .menuPopupBottomRight {
+  background: url(images/corner.png) no-repeat -5px -41px;
+  -background: url(images/corner_ie6.png) no-repeat -5px -41px;
+}
+* html .gwt-MenuBarPopup .menuPopupTopLeftInner {
+  width: 5px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupTopRightInner {
+  width: 8px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomLeftInner {
+  width: 5px;
+  height: 8px;
+  overflow: hidden;
+}
+* html .gwt-MenuBarPopup .menuPopupBottomRightInner {
+  width: 8px;
+  height: 8px;
+  overflow: hidden;
+}
+
+.gwt-PasswordTextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-PasswordTextBox-readonly {
+  color: #888;
+}
+
+.gwt-PopupPanel {
+  border: 3px solid #e7e7e7;
+  padding: 3px;
+  background: white;
+}
+
+.gwt-DecoratedPopupPanel .popupContent {
+}
+.gwt-DecoratedPopupPanel .popupMiddleCenter {
+  padding: 3px;
+  background: #f1f1f1;
+}
+.gwt-DecoratedPopupPanel .popupTopCenter {
+  background: url(images/hborder.png) 0px -2937px repeat-x;
+}
+.gwt-DecoratedPopupPanel .popupBottomCenter {
+  background:  url(images/hborder.png) repeat-x 0px -2938px;
+  -background: url(images/hborder_ie6.png) repeat-x 0px -2138px;
+}
+.gwt-DecoratedPopupPanel .popupMiddleLeft {
+  background: url(images/vborder.png) -21px 0px repeat-y;
+}
+.gwt-DecoratedPopupPanel .popupMiddleRight {
+  background: url(images/vborder.png) repeat-y -24px 0px;
+  -background: url(images/vborder_ie6.png) repeat-y -24px 0px;
+}
+.gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedPopupPanel .popupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -16px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -16px;
+}
+.gwt-DecoratedPopupPanel .popupTopRight {
+  background: url(images/circles.png) no-repeat -6px -16px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -16px;
+}
+.gwt-DecoratedPopupPanel .popupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -21px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -21px;
+}
+.gwt-DecoratedPopupPanel .popupBottomRight {
+  background: url(images/circles.png) no-repeat -6px -21px;
+  -background: url(images/circles_ie6.png) no-repeat -6px -21px;
+}
+* html .gwt-DecoratedPopupPanel .popupTopLeftInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupTopRightInner {
+  width: 6px;
+  height: 5px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomLeftInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+* html .gwt-DecoratedPopupPanel .popupBottomRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+
+.gwt-PopupPanelGlass {
+  background-color: #000;
+  opacity: 0.3;
+  filter: alpha(opacity=30);
+}
+
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled,
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  border-radius: 2px;
+  -moz-border-radius: 2px;
+}
+.gwt-PushButton-up,
+.gwt-PushButton-up-hovering,
+.gwt-PushButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-PushButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+.gwt-PushButton-down,
+.gwt-PushButton-down-hovering,
+.gwt-PushButton-down-disabled {
+  padding: 4px 6px 2px 4px;
+  outline:none;
+}
+.gwt-PushButton-down {
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-hovering {
+  border: 1px solid #939393;
+  border-top: 1px solid #333333;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-PushButton-down-disabled {
+  border: 1px outset #ccc;
+  cursor: default;
+  opacity: 0.5;
+  filter: alpha(opacity=45);
+  zoom: 1;
+}
+
+.gwt-RadioButton {
+}
+.gwt-RadioButton-disabled {
+  color: #888;
+}
+
+.gwt-RichTextArea {
+}
+.hasRichTextToolbar {
+  border: 0px;
+}
+.gwt-RichTextToolbar {
+  background: #e3e8f3 url(images/hborder.png) repeat-x 0px -2003px;
+  border-bottom: 1px solid #BBBBBB;
+  padding: 3px;
+  margin: 0px;
+}
+.gwt-RichTextToolbar .gwt-PushButton-up {
+  padding: 0px 0px 0px 1px;
+  margin-left: 4px;
+  margin-bottom: 4px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-up-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-PushButton-down-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px; 
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-up-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 0px 0px 1px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+.gwt-RichTextToolbar .gwt-ToggleButton-down-hovering {
+  margin-left: 4px;
+  margin-bottom: 4px;
+  padding: 0px 1px 0px 0px;
+  border-width: 1px;
+}
+
+.gwt-StackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 2px 10px 5px;
+}
+
+.gwt-DecoratedStackPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 5px 10px 2px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem {
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft,
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  height: 6px;
+  width: 6px;
+  zoom: 1;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeft {
+  border-left: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat 0px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat 0px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopRight {
+  border-right: 1px solid #bbbbbb;
+  background: #d3def6 url(images/corner.png) no-repeat -6px -49px;
+  -background: #d3def6 url(images/corner_ie6.png) no-repeat -6px -49px;
+}
+.gwt-DecoratedStackPanel .stackItemTopLeftInner,
+.gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 1px;
+  height: 1px;
+}
+* html .gwt-DecoratedStackPanel .stackItemTopLeftInner,
+* html .gwt-DecoratedStackPanel .stackItemTopRightInner {
+  width: 6px;
+  height: 6px;
+  overflow: hidden;
+}
+.gwt-DecoratedStackPanel .stackItemTopCenter {
+  background: url(images/hborder.png) 0px -21px repeat-x;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeft {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-left: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleLeftInner,
+.gwt-DecoratedStackPanel .stackItemMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleRight {
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+  border-right: 1px solid #bbbbbb;
+}
+.gwt-DecoratedStackPanel .stackItemMiddleCenter {
+  font-weight: bold;
+  font-size: 1.3em;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopRight,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-first .stackItemTopLeft {
+  border: 0px;
+  background-color: white;
+}
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopLeft,
+.gwt-DecoratedStackPanel .gwt-StackPanelItem-below-selected .stackItemTopRight {
+  background-color: white;
+}
+
+.gwt-SuggestBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+
+.gwt-SuggestBoxPopup {
+}
+
+.gwt-SuggestBoxPopup .item {
+  padding: 2px 6px;
+  color: #000;
+  cursor: default;
+  font-size: 110%;
+}
+.gwt-SuggestBoxPopup .item-selected {
+  background: #D5E2FF;
+}
+.gwt-SuggestBoxPopup .suggestPopupContent {
+  background: white;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenter {
+  border-top: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomCenter {
+  border-bottom: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopCenterInner,
+.gwt-SuggestBoxPopup .suggestPopupBottomCenterInner {
+  height: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeft {
+  border-left: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleRight {
+  border-right: 1px solid #bbb;
+}
+.gwt-SuggestBoxPopup .suggestPopupMiddleLeftInner,
+.gwt-SuggestBoxPopup .suggestPopupMiddleRightInner {
+  width: 1px;
+  line-height: 1px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;  
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  zoom: 1;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopLeft {
+  background: url(images/circles.png) no-repeat 0px -6px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupTopRight {
+  background: url(images/circles.png) no-repeat -5px -6px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -6px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomLeft {
+  background: url(images/circles.png) no-repeat 0px -11px;
+  -background: url(images/circles_ie6.png) no-repeat 0px -11px;
+  width:5px;
+  height:5px;
+}
+.gwt-SuggestBoxPopup .suggestPopupBottomRight {
+  background: url(images/circles.png) no-repeat -5px -11px;
+  -background: url(images/circles_ie6.png) no-repeat -5px -11px;
+  width:5px;
+  height:5px;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupTopRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomLeftInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+* html .gwt-SuggestBoxPopup .suggestPopupBottomRightInner {
+  width: 0px;
+  height: 0px;
+  overflow: hidden;
+}
+
+.gwt-TabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-TabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-TabBar .gwt-TabBarRest {
+}
+.gwt-TabBar .gwt-TabBarItem {
+  margin-right: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabBar .gwt-TabBarItem-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+} 
+.gwt-TabBar .gwt-TabBarItem-disabled {
+  cursor: default;
+  color: #999999;
+}
+.gwt-TabPanel {
+}
+.gwt-TabPanelBottom {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-DecoratedTabBar {
+  background: #ccc;
+  padding-top: 6px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarFirst {
+  width: 5px;  /* first tab distance from the left */
+}
+.gwt-DecoratedTabBar .gwt-TabBarRest {
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem {
+  border-collapse: collapse;
+  margin-right: 4px;
+}
+.gwt-DecoratedTabBar .tabTopCenter {
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabTopLeft,
+.gwt-DecoratedTabBar .tabTopRight {
+  padding: 0px;
+  zoom: 1;
+}
+.gwt-DecoratedTabBar .tabTopLeftInner,
+.gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+}
+.gwt-DecoratedTabBar .tabTopLeft {
+  background: url(images/circles.png) no-repeat 0px 0px;
+  -background: url(images/circles_ie6.png) no-repeat 0px 0px;
+}
+.gwt-DecoratedTabBar .tabTopRight {
+  background: url(images/circles.png) no-repeat -3px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -3px 0px;
+}
+* html .gwt-DecoratedTabBar .tabTopLeftInner,
+* html .gwt-DecoratedTabBar .tabTopRightInner {
+  width: 3px;
+  height: 3px;
+  overflow: hidden;
+}
+.gwt-DecoratedTabBar .tabMiddleLeft,
+.gwt-DecoratedTabBar .tabMiddleRight {
+  width: 3px;
+  padding: 0px;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .tabMiddleLeftInner,
+.gwt-DecoratedTabBar .tabMiddleRightInner {
+  width: 1px;
+  height: 1px;
+}
+.gwt-DecoratedTabBar .tabMiddleCenter {
+  padding: 0px 5px 4px 5px;
+  cursor: pointer;
+  cursor: hand;
+  color: #fff;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopCenter {
+  background:#fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopLeft {
+  background: url(images/circles.png) no-repeat -6px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -6px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabTopRight {
+  background: url(images/circles.png) no-repeat -9px 0px;
+  -background: url(images/circles_ie6.png) no-repeat -9px 0px;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleLeft,
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleRight {
+  background: #fff;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-selected .tabMiddleCenter {
+  cursor: default;
+  background: #fff;
+  color:#333;
+  font-weight:bold;
+}
+.gwt-DecoratedTabBar .gwt-TabBarItem-disabled .tabMiddleCenter {
+  cursor: default;
+  color: #999999;
+}
+
+.gwt-TextArea {
+  padding: 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #666;
+  font-size: 100%;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextArea-readonly {
+  color: #888;
+}
+
+.gwt-TextBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: small;
+  font-family: Arial Unicode MS, Arial, sans-serif;
+}
+.gwt-TextBox-readonly {
+  color: #888;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled,
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  margin: 0;
+  text-decoration: none;
+  background: url("images/hborder.png") repeat-x 0px -27px;
+  -moz-border-radius: 2px;
+  border-radius: 2px;
+}
+.gwt-ToggleButton-up,
+.gwt-ToggleButton-up-hovering,
+.gwt-ToggleButton-up-disabled {
+  padding: 3px 5px 3px 5px;
+}
+.gwt-ToggleButton-up {
+  border:1px solid #bbb;
+  border-bottom: 1px solid #a0a0a0;  
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-hovering {
+  border: 1px solid;
+  border-color: #939393;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-up-disabled {
+  border: 1px solid #bbb;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+.gwt-ToggleButton-down,
+.gwt-ToggleButton-down-hovering,
+.gwt-ToggleButton-down-disabled {
+  padding: 4px 6px 2px 4px;
+}
+.gwt-ToggleButton-down {
+  background-position: 0 -513px;
+  border: 1px inset #666;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-hovering {
+  background-position: 0 -513px;
+  border: 1px inset;
+  border-color: #9cf #69e #69e #7af;
+  cursor: pointer;
+  cursor: hand;
+}
+.gwt-ToggleButton-down-disabled {
+  background-position: 0 -513px;
+  border: 1px inset #ccc;
+  cursor: default;
+  opacity: .5;
+  zoom: 1;
+  filter: alpha(opacity=45);
+}
+
+.gwt-Tree .gwt-TreeItem {
+  padding: 1px 0px;
+  margin: 0px;
+  white-space: nowrap;
+  cursor: hand;
+  cursor: pointer;
+  zoom: 1;
+}
+.gwt-Tree .gwt-TreeItem-selected {
+  background: #ebeff9;
+}
+.gwt-TreeItem .gwt-RadioButton input,
+.gwt-TreeItem .gwt-CheckBox input {
+  margin-right: 0px;
+}
+* html .gwt-TreeItem .gwt-RadioButton input,
+* html .gwt-TreeItem .gwt-CheckBox input {
+  margin-right: -4px;
+}
+
+.gwt-DateBox {
+  padding: 5px 4px;
+  border: 1px solid #ccc;
+  border-top: 1px solid #999;
+  font-size: 100%;
+}
+.gwt-DateBox input {
+  width: 8em;
+}
+.dateBoxFormatError {
+  background: #ffcccc;
+}
+.dateBoxPopup {
+}
+
+.gwt-DatePicker {
+  border: 1px solid #ccc;
+  border-top:1px solid #999;
+  cursor: default;
+}
+.gwt-DatePicker td,
+.datePickerMonthSelector td:focus {
+  outline: none;
+}
+.datePickerDays {
+  width: 100%;
+  background: white;
+}
+.datePickerDay,
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  font-size: 85%;
+  text-align: center;
+  padding: 4px;
+  outline: none;
+  font-weight:bold;
+  color:#333;
+  border-right: 1px solid #EDEDED;
+  border-bottom: 1px solid #EDEDED;
+}
+.datePickerWeekdayLabel,
+.datePickerWeekendLabel {
+  background: #fff;
+  padding: 0px 4px 2px;
+  cursor: default;
+  color:#666;
+  font-size:70%;
+  font-weight:normal;
+}
+.datePickerDay {
+  padding: 4px 7px;
+  cursor: hand;
+  cursor: pointer;
+}
+.datePickerDayIsWeekend {
+  background: #f7f7f7;
+}
+.datePickerDayIsFiller {
+  color: #999;
+  font-weight:normal;
+}
+.datePickerDayIsValue {
+  background: #d7dfe8;
+}
+.datePickerDayIsDisabled {
+  color: #AAAAAA;
+  font-style: italic;
+}
+.datePickerDayIsHighlighted {
+  background: #F0E68C;
+}
+.datePickerDayIsValueAndHighlighted {
+  background: #d7dfe8;
+}
+.datePickerDayIsToday {
+  padding: 3px;
+  color: #fff;
+  background: url(images/hborder.png) repeat-x 0px -2607px;
+}
+
+.datePickerMonthSelector {
+  width: 100%;
+  padding: 1px 0 5px 0;
+  background: #fff;
+}
+td.datePickerMonth {
+  text-align: center;
+  vertical-align: middle;
+  white-space: nowrap;
+  font-size: 100%;
+  font-weight: bold;
+  color: #333;
+}
+.datePickerPreviousButton,
+.datePickerNextButton {
+  font-size: 120%;
+  line-height: 1em;
+  color: #3a6aad;
+  cursor: hand;
+  cursor: pointer;
+  font-weight: bold;
+  padding: 0px 4px;
+  outline: none;
+}
+
+.gwt-StackLayoutPanel {
+  border-bottom: 1px solid #bbbbbb;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader {
+  cursor: pointer;
+  cursor: hand;
+  font-weight: bold;
+  font-size: 1.3em;
+  padding: 3px;
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: #d3def6 url(images/hborder.png) repeat-x 0px -989px;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelHeader-hovering {
+  background: #d3def6;
+}
+.gwt-StackLayoutPanel .gwt-StackLayoutPanelContent {
+  border: 1px solid #bbbbbb;
+  border-bottom: 0px;
+  background: white;
+  padding: 2px 5px 10px 2px;
+}
+
+.gwt-TabLayoutPanel {
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTabs {
+  background: #ccc;
+  padding-top: 6px;
+  padding-right: 5px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContentContainer {
+  border-color: #ccc;
+  border-style: solid;
+  border-width: 0px 1px 1px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelContent {
+  overflow: hidden;
+  padding: 6px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab {
+  margin-right: 4px;
+  padding: 4px 8px 4px 8px;
+  cursor: pointer;
+  cursor: hand;
+  color: white;
+  font-weight: normal;
+  text-align: center;
+  background: #8E8E8E;
+  -moz-border-radius: 3px 3px 0px 0px;
+  border-radius: 3px 3px 0px 0px;
+}
+.gwt-TabLayoutPanel .gwt-TabLayoutPanelTab-selected {
+  cursor: default;
+  background: white;
+  color: #333;
+  font-weight: bold;
+}
+
+.gwt-SplitLayoutPanel-HDragger {
+  background: #e7e7e7 url(images/thumb_vertical.png) center center no-repeat;
+  cursor: col-resize;
+}
+
+.gwt-SplitLayoutPanel-VDragger {
+  background: #e7e7e7 url(images/thumb_horz.png) center center no-repeat;
+  cursor: row-resize;
+}
\ No newline at end of file
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/circles.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/circles.png
new file mode 100644
index 0000000000..2a84b9c320
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/circles.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/circles_ie6.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/circles_ie6.png
new file mode 100644
index 0000000000..3a388fc5d3
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/circles_ie6.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/corner.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/corner.png
new file mode 100644
index 0000000000..51aa4582aa
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/corner.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/corner_ie6.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/corner_ie6.png
new file mode 100644
index 0000000000..5197449254
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/corner_ie6.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder.png
new file mode 100644
index 0000000000..ec58ae6126
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder_ie6.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder_ie6.png
new file mode 100644
index 0000000000..2268f88a76
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/hborder_ie6.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_horz.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_horz.png
new file mode 100644
index 0000000000..b43e683e1f
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_horz.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_vertical.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_vertical.png
new file mode 100644
index 0000000000..bd57f594ac
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/thumb_vertical.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder.png
new file mode 100644
index 0000000000..6840d11a12
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder.png differ
diff --git a/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder_ie6.png b/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder_ie6.png
new file mode 100644
index 0000000000..90baeb1f99
Binary files /dev/null and b/common/static/js/capa/jsmolcalc/gwt/clean/images/vborder_ie6.png differ
diff --git a/common/static/js/capa/jsmolcalc/hosted.html b/common/static/js/capa/jsmolcalc/hosted.html
new file mode 100644
index 0000000000..48b87f39b5
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/hosted.html
@@ -0,0 +1,365 @@
+<html>
+<head><script>
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase, $entry
+,$stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null
+,$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+// Lightweight metrics
+if ($stats) {
+  var moduleFuncName = location.search.substr(1);
+  var moduleFunc = $wnd[moduleFuncName];
+  var moduleName = moduleFunc ? moduleFunc.moduleName : "unknown";
+  $stats({moduleName:moduleName,sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+}
+var $hostedHtmlVersion="2.1";
+
+var gwtOnLoad;
+var $hosted = "localhost:9997";
+
+function loadIframe(url) {
+  var topDoc = window.top.document;
+
+  // create an iframe
+  var iframeDiv = topDoc.createElement("div");
+  iframeDiv.innerHTML = "<iframe scrolling=no frameborder=0 src='" + url + "'>";
+  var iframe = iframeDiv.firstChild;
+  
+  // mess with the iframe style a little
+  var iframeStyle = iframe.style;
+  iframeStyle.position = "absolute";
+  iframeStyle.borderWidth = "0";
+  iframeStyle.left = "0";
+  iframeStyle.top = "0";
+  iframeStyle.width = "100%";
+  iframeStyle.backgroundColor = "#ffffff";
+  iframeStyle.zIndex = "1";
+  iframeStyle.height = "100%";
+
+  // update the top window's document's body's style
+  var hostBodyStyle = window.top.document.body.style; 
+  hostBodyStyle.margin = "0";
+  hostBodyStyle.height = iframeStyle.height;
+  hostBodyStyle.overflow = "hidden";
+
+  // insert the iframe
+  topDoc.body.insertBefore(iframe, topDoc.body.firstChild);
+}
+
+var ua = navigator.userAgent.toLowerCase();
+if (ua.indexOf("gecko") != -1) {
+  // install eval wrapper on FF to avoid EvalError problem
+  var __eval = window.eval;
+  window.eval = function(s) {
+    return __eval(s);
+  }
+}
+if (ua.indexOf("chrome") != -1) {
+  // work around __gwt_ObjectId appearing in JS objects
+  var hop = Object.prototype.hasOwnProperty;
+  Object.prototype.hasOwnProperty = function(prop) {
+    return prop != "__gwt_ObjectId" && hop.call(this, prop);
+  };
+  // do the same in our parent as well -- see issue 4486
+  // NOTE: this will have to be changed when we support non-iframe-based DevMode 
+  var hop2 = parent.Object.prototype.hasOwnProperty;
+  parent.Object.prototype.hasOwnProperty = function(prop) {
+    return prop != "__gwt_ObjectId" && hop2.call(this, prop);
+  };
+}
+
+// wrapper to call JS methods, which we need both to be able to supply a
+// different this for method lookup and to get the exception back
+function __gwt_jsInvoke(thisObj, methodName) {
+  try {
+    var args = Array.prototype.slice.call(arguments, 2);
+    return [0, window[methodName].apply(thisObj, args)];
+  } catch (e) {
+    return [1, e];
+  }
+}
+
+var __gwt_javaInvokes = [];
+function __gwt_makeJavaInvoke(argCount) {
+  return __gwt_javaInvokes[argCount] || __gwt_doMakeJavaInvoke(argCount);
+}
+
+function __gwt_doMakeJavaInvoke(argCount) {
+  // IE6 won't eval() anonymous functions except as r-values
+  var argList = "";
+  for (var i = 0; i < argCount; i++) {
+    argList += ",p" + i;
+  }
+  var argListNoComma = argList.substring(1);
+
+  return eval(
+    "__gwt_javaInvokes[" + argCount + "] =\n" +
+    "  function(thisObj, dispId" + argList + ") {\n" +
+    "    var result = __static(dispId, thisObj" + argList + ");\n" +
+    "    if (result[0]) {\n" +
+    "      throw result[1];\n" +
+    "    } else {\n" +
+    "      return result[1];\n" +
+    "    }\n" +
+    "  }\n"
+  ); 
+}
+
+/*
+ * This is used to create tear-offs of Java methods.  Each function corresponds
+ * to exactly one dispId, and also embeds the argument count.  We get the "this"
+ * value from the context in which the function is being executed.
+ * Function-object identity is preserved by caching in a sparse array.
+ */
+var __gwt_tearOffs = [];
+var __gwt_tearOffGenerators = [];
+function __gwt_makeTearOff(proxy, dispId, argCount) {
+  return __gwt_tearOffs[dispId] || __gwt_doMakeTearOff(dispId, argCount);
+}
+
+function __gwt_doMakeTearOff(dispId, argCount) {
+  return __gwt_tearOffs[dispId] = 
+      (__gwt_tearOffGenerators[argCount] || __gwt_doMakeTearOffGenerator(argCount))(dispId);
+}
+
+function __gwt_doMakeTearOffGenerator(argCount) {
+  // IE6 won't eval() anonymous functions except as r-values
+  var argList = "";
+  for (var i = 0; i < argCount; i++) {
+    argList += ",p" + i;
+  }
+  var argListNoComma = argList.substring(1);
+
+  return eval(
+    "__gwt_tearOffGenerators[" + argCount + "] =\n" +
+    "  function(dispId) {\n" +
+    "    return function(" + argListNoComma + ") {\n" +
+    "      var result = __static(dispId, this" + argList + ");\n" +
+    "      if (result[0]) {\n" +
+    "        throw result[1];\n" +
+    "      } else {\n" +
+    "        return result[1];\n" +
+    "      }\n" +
+    "    }\n" +
+    "  }\n"
+  ); 
+}
+
+function __gwt_makeResult(isException, result) {
+  return [isException, result];
+}
+
+function __gwt_disconnected() {
+  // Prevent double-invocation.
+  window.__gwt_disconnected = new Function();
+  // Do it in a timeout so we can be sure we have a clean stack.
+  window.setTimeout(__gwt_disconnected_impl, 1);
+}
+
+function __gwt_disconnected_impl() {
+  __gwt_displayGlassMessage('GWT Code Server Disconnected',
+      'Most likely, you closed GWT Development Mode. Or, you might have lost '
+      + 'network connectivity. To fix this, try restarting GWT Development Mode and '
+      + 'refresh this page.');
+}
+
+// Keep track of z-index to allow layering of multiple glass messages
+var __gwt_glassMessageZIndex = 2147483647;
+
+// Note this method is also used by ModuleSpace.java
+function __gwt_displayGlassMessage(summary, details) {
+  var topWin = window.top;
+  var topDoc = topWin.document;
+  var outer = topDoc.createElement("div");
+  // Do not insert whitespace or outer.firstChild will get a text node.
+  outer.innerHTML = 
+    '<div style="position:absolute;z-index:' + __gwt_glassMessageZIndex-- +
+    ';left:50px;top:50px;width:600px;color:#FFF;font-family:verdana;text-align:left;">' +
+    '<div style="font-size:30px;font-weight:bold;">' + summary + '</div>' +
+    '<div style="font-size:15px;">' + details + '</div>' +
+    '</div>' +
+    '<div style="position:absolute;z-index:' + __gwt_glassMessageZIndex-- +
+    ';left:0px;top:0px;right:0px;bottom:0px;filter:alpha(opacity=60);opacity:0.6;background-color:#000;"></div>'
+  ;
+  topDoc.body.appendChild(outer);
+  var glass = outer.firstChild;
+  var glassStyle = glass.style;
+
+  // Scroll to the top and remove scrollbars.
+  topWin.scrollTo(0, 0);
+  if (topDoc.compatMode == "BackCompat") {
+    topDoc.body.style["overflow"] = "hidden";
+  } else {
+    topDoc.documentElement.style["overflow"] = "hidden";
+  }
+
+  // Steal focus.
+  glass.focus();
+
+  if ((navigator.userAgent.indexOf("MSIE") >= 0) && (topDoc.compatMode == "BackCompat")) {
+    // IE quirks mode doesn't support right/bottom, but does support this.
+    glassStyle.width = "125%";
+    glassStyle.height = "100%";
+  } else if (navigator.userAgent.indexOf("MSIE 6") >= 0) {
+    // IE6 doesn't have a real standards mode, so we have to use hacks.
+    glassStyle.width = "125%"; // Get past scroll bar area.
+    // Nasty CSS; onresize would be better but the outer window won't let us add a listener IE.
+    glassStyle.setExpression("height", "document.documentElement.clientHeight");
+  }
+
+  $doc.title = summary + " [" + $doc.title + "]";
+}
+
+function findPluginObject() {
+  try {
+    return document.getElementById('pluginObject');
+  } catch (e) {
+    return null;
+  }
+}
+
+function findPluginEmbed() {
+  try {
+    return document.getElementById('pluginEmbed')
+  } catch (e) {
+    return null;
+  }
+}
+
+function findPluginXPCOM() {
+  try {
+    return __gwt_HostedModePlugin;
+  } catch (e) {
+    return null;
+  }
+}
+
+gwtOnLoad = function(errFn, modName, modBase){
+  $moduleName = modName;
+  $moduleBase = modBase;
+
+  // Note that the order is important
+  var pluginFinders = [
+    findPluginXPCOM,
+    findPluginObject,
+    findPluginEmbed,
+  ];
+  var topWin = window.top;
+  var url = topWin.location.href;
+  if (!topWin.__gwt_SessionID) {
+    var ASCII_EXCLAMATION = 33;
+    var ASCII_TILDE = 126;
+    var chars = [];
+    for (var i = 0; i < 16; ++i) {
+      chars.push(Math.floor(ASCII_EXCLAMATION
+          + Math.random() * (ASCII_TILDE - ASCII_EXCLAMATION + 1)));
+    }
+    topWin.__gwt_SessionID = String.fromCharCode.apply(null, chars);
+  }
+  var plugin = null;
+  for (var i = 0; i < pluginFinders.length; ++i) {
+    try {
+      var maybePlugin = pluginFinders[i]();
+      if (maybePlugin != null && maybePlugin.init(window)) {
+        plugin = maybePlugin;
+        break;
+      }
+    } catch (e) {
+    }
+  }
+  if (!plugin) {
+    // try searching for a v1 plugin for backwards compatibility
+    var found = false;
+    for (var i = 0; i < pluginFinders.length; ++i) {
+      try {
+        plugin = pluginFinders[i]();
+        if (plugin != null && plugin.connect($hosted, $moduleName, window)) {
+          return;
+        }
+      } catch (e) {
+      }
+    }
+    loadIframe("http://gwt.google.com/missing-plugin");
+  } else {
+    if (plugin.connect(url, topWin.__gwt_SessionID, $hosted, $moduleName,
+        $hostedHtmlVersion)) {
+      window.onUnload = function() {
+        try {
+          // wrap in try/catch since plugins are not required to supply this
+          plugin.disconnect();
+        } catch (e) {
+        }
+      };
+    } else {
+      if (errFn) {
+        errFn(modName);
+      } else {
+        __gwt_displayGlassMessage(
+            "Plugin failed to connect to Development Mode server at " + simpleEscape($hosted),
+            "Follow the troubleshooting instructions at "
+            + "<a href='http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM'>"
+            + "http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM</a>");
+      }
+    }
+  }
+}
+
+function simpleEscape(originalString) {
+  return originalString.replace(/&/g,"&amp;")
+    .replace(/</g,"&lt;")
+    .replace(/>/g,"&gt;")
+    .replace(/\'/g, "&#39;")
+    .replace(/\"/g,"&quot;");
+}
+
+window.onunload = function() {
+};
+
+// Lightweight metrics
+window.fireOnModuleLoadStart = function(className) {
+  $stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'onModuleLoadStart', className:className});
+};
+
+window.__gwt_module_id = 0;
+</script></head>
+<body>
+<font face='arial' size='-1'>This html file is for Development Mode support.</font>
+<script><!--
+// Lightweight metrics
+$stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'moduleEvalEnd'});
+
+// OOPHM currently only supports IFrameLinker
+var query = parent.location.search;
+if (!findPluginXPCOM()) {
+  document.write('<embed id="pluginEmbed" type="application/x-gwt-hosted-mode" width="10" height="10">');
+  document.write('</embed>');
+  document.write('<object id="pluginObject" CLASSID="CLSID:1D6156B6-002B-49E7-B5CA-C138FB843B4E">');
+  document.write('</object>');
+}
+
+// look for the old query parameter if we don't find the new one
+var idx = query.indexOf("gwt.codesvr=");
+if (idx >= 0) {
+  idx += 12;  // "gwt.codesvr=".length() == 12
+} else {
+  idx = query.indexOf("gwt.hosted=");
+  if (idx >= 0) {
+    idx += 11;  // "gwt.hosted=".length() == 11
+  }
+}
+if (idx >= 0) {
+  var amp = query.indexOf("&", idx);
+  if (amp >= 0) {
+    $hosted = query.substring(idx, amp);
+  } else {
+    $hosted = query.substring(idx);
+  }
+
+  // According to RFC 3986, some of this component's characters (e.g., ':')
+  // are reserved and *may* be escaped.
+  $hosted = decodeURIComponent($hosted);
+}
+
+query = window.location.search.substring(1);
+if (query && $wnd[query]) setTimeout($wnd[query].onScriptLoad, 1);
+--></script></body></html>
diff --git a/common/static/js/capa/jsmolcalc/jsmolcalc.nocache.js b/common/static/js/capa/jsmolcalc/jsmolcalc.nocache.js
new file mode 100644
index 0000000000..3bdee52fb1
--- /dev/null
+++ b/common/static/js/capa/jsmolcalc/jsmolcalc.nocache.js
@@ -0,0 +1,360 @@
+function jsmolcalc(){
+  var $wnd_0 = window, $doc_0 = document, $stats = $wnd_0.__gwtStatsEvent?function(a){
+    return $wnd_0.__gwtStatsEvent(a);
+  }
+  :null, $sessionId_0 = $wnd_0.__gwtStatsSessionId?$wnd_0.__gwtStatsSessionId:null, scriptsDone, loadDone, bodyDone, base = '', metaProps = {}, values = [], providers = [], answers = [], softPermutationId = 0, onLoadErrorFunc, propertyErrorFunc;
+  $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'bootstrap', millis:(new Date).getTime(), type:'begin'});
+  if (!$wnd_0.__gwt_stylesLoaded) {
+    $wnd_0.__gwt_stylesLoaded = {};
+  }
+  if (!$wnd_0.__gwt_scriptsLoaded) {
+    $wnd_0.__gwt_scriptsLoaded = {};
+  }
+  function isHostedMode(){
+    var result = false;
+    try {
+      var query = $wnd_0.location.search;
+      return (query.indexOf('gwt.codesvr=') != -1 || (query.indexOf('gwt.hosted=') != -1 || $wnd_0.external && $wnd_0.external.gwtOnLoad)) && query.indexOf('gwt.hybrid') == -1;
+    }
+     catch (e) {
+    }
+    isHostedMode = function(){
+      return result;
+    }
+    ;
+    return result;
+  }
+
+  function maybeStartModule(){
+    if (scriptsDone && loadDone) {
+      var iframe = $doc_0.getElementById('jsmolcalc');
+      var frameWnd = iframe.contentWindow;
+      if (isHostedMode()) {
+        frameWnd.__gwt_getProperty = function(name_0){
+          return computePropValue(name_0);
+        }
+        ;
+      }
+      jsmolcalc = null;
+      frameWnd.gwtOnLoad(onLoadErrorFunc, 'jsmolcalc', base, softPermutationId);
+      $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'end'});
+    }
+  }
+
+  function computeScriptBase(){
+    function getDirectoryOfFile(path){
+      var hashIndex = path.lastIndexOf('#');
+      if (hashIndex == -1) {
+        hashIndex = path.length;
+      }
+      var queryIndex = path.indexOf('?');
+      if (queryIndex == -1) {
+        queryIndex = path.length;
+      }
+      var slashIndex = path.lastIndexOf('/', Math.min(queryIndex, hashIndex));
+      return slashIndex >= 0?path.substring(0, slashIndex + 1):'';
+    }
+
+    function ensureAbsoluteUrl(url){
+      if (url.match(/^\w+:\/\//)) {
+      }
+       else {
+        var img = $doc_0.createElement('img');
+        img.src = url + 'clear.cache.gif';
+        url = getDirectoryOfFile(img.src);
+      }
+      return url;
+    }
+
+    function tryMetaTag(){
+      var metaVal = __gwt_getMetaProperty('baseUrl');
+      if (metaVal != null) {
+        return metaVal;
+      }
+      return '';
+    }
+
+    function tryNocacheJsTag(){
+      var scriptTags = $doc_0.getElementsByTagName('script');
+      for (var i = 0; i < scriptTags.length; ++i) {
+        if (scriptTags[i].src.indexOf('jsmolcalc.nocache.js') != -1) {
+          return getDirectoryOfFile(scriptTags[i].src);
+        }
+      }
+      return '';
+    }
+
+    function tryMarkerScript(){
+      var thisScript;
+      if (typeof isBodyLoaded == 'undefined' || !isBodyLoaded()) {
+        var markerId = '__gwt_marker_jsmolcalc';
+        var markerScript;
+        $doc_0.write('<script id="' + markerId + '"><\/script>');
+        markerScript = $doc_0.getElementById(markerId);
+        thisScript = markerScript && markerScript.previousSibling;
+        while (thisScript && thisScript.tagName != 'SCRIPT') {
+          thisScript = thisScript.previousSibling;
+        }
+        if (markerScript) {
+          markerScript.parentNode.removeChild(markerScript);
+        }
+        if (thisScript && thisScript.src) {
+          return getDirectoryOfFile(thisScript.src);
+        }
+      }
+      return '';
+    }
+
+    function tryBaseTag(){
+      var baseElements = $doc_0.getElementsByTagName('base');
+      if (baseElements.length > 0) {
+        return baseElements[baseElements.length - 1].href;
+      }
+      return '';
+    }
+
+    function isLocationOk(){
+      var loc = $doc_0.location;
+      return loc.href == loc.protocol + '//' + loc.host + loc.pathname + loc.search + loc.hash;
+    }
+
+    var tempBase = tryMetaTag();
+    if (tempBase == '') {
+      tempBase = tryNocacheJsTag();
+    }
+    if (tempBase == '') {
+      tempBase = tryMarkerScript();
+    }
+    if (tempBase == '') {
+      tempBase = tryBaseTag();
+    }
+    if (tempBase == '' && isLocationOk()) {
+      tempBase = getDirectoryOfFile($doc_0.location.href);
+    }
+    tempBase = ensureAbsoluteUrl(tempBase);
+    base = tempBase;
+    return tempBase;
+  }
+
+  function processMetas(){
+    var metas = document.getElementsByTagName('meta');
+    for (var i = 0, n = metas.length; i < n; ++i) {
+      var meta = metas[i], name_0 = meta.getAttribute('name'), content_0;
+      if (name_0) {
+        name_0 = name_0.replace('jsmolcalc::', '');
+        if (name_0.indexOf('::') >= 0) {
+          continue;
+        }
+        if (name_0 == 'gwt:property') {
+          content_0 = meta.getAttribute('content');
+          if (content_0) {
+            var value, eq = content_0.indexOf('=');
+            if (eq >= 0) {
+              name_0 = content_0.substring(0, eq);
+              value = content_0.substring(eq + 1);
+            }
+             else {
+              name_0 = content_0;
+              value = '';
+            }
+            metaProps[name_0] = value;
+          }
+        }
+         else if (name_0 == 'gwt:onPropertyErrorFn') {
+          content_0 = meta.getAttribute('content');
+          if (content_0) {
+            try {
+              propertyErrorFunc = eval(content_0);
+            }
+             catch (e) {
+              alert('Bad handler "' + content_0 + '" for "gwt:onPropertyErrorFn"');
+            }
+          }
+        }
+         else if (name_0 == 'gwt:onLoadErrorFn') {
+          content_0 = meta.getAttribute('content');
+          if (content_0) {
+            try {
+              onLoadErrorFunc = eval(content_0);
+            }
+             catch (e) {
+              alert('Bad handler "' + content_0 + '" for "gwt:onLoadErrorFn"');
+            }
+          }
+        }
+      }
+    }
+  }
+
+  function __gwt_getMetaProperty(name_0){
+    var value = metaProps[name_0];
+    return value == null?null:value;
+  }
+
+  function unflattenKeylistIntoAnswers(propValArray, value){
+    var answer = answers;
+    for (var i = 0, n = propValArray.length - 1; i < n; ++i) {
+      answer = answer[propValArray[i]] || (answer[propValArray[i]] = []);
+    }
+    answer[propValArray[n]] = value;
+  }
+
+  function computePropValue(propName){
+    var value = providers[propName](), allowedValuesMap = values[propName];
+    if (value in allowedValuesMap) {
+      return value;
+    }
+    var allowedValuesList = [];
+    for (var k in allowedValuesMap) {
+      allowedValuesList[allowedValuesMap[k]] = k;
+    }
+    if (propertyErrorFunc) {
+      propertyErrorFunc(propName, allowedValuesList, value);
+    }
+    throw null;
+  }
+
+  var frameInjected;
+  function maybeInjectFrame(){
+    if (!frameInjected) {
+      frameInjected = true;
+      var iframe = $doc_0.createElement('iframe');
+      iframe.src = "javascript:''";
+      iframe.id = 'jsmolcalc';
+      iframe.style.cssText = 'position:absolute;width:0;height:0;border:none';
+      iframe.tabIndex = -1;
+      $doc_0.body.appendChild(iframe);
+      $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date).getTime(), type:'moduleRequested'});
+      iframe.contentWindow.location.replace(base + initialHtml);
+    }
+  }
+
+  providers['user.agent'] = function(){
+    var ua = navigator.userAgent.toLowerCase();
+    var makeVersion = function(result){
+      return parseInt(result[1]) * 1000 + parseInt(result[2]);
+    }
+    ;
+    if (function(){
+      return ua.indexOf('opera') != -1;
+    }
+    ())
+      return 'opera';
+    if (function(){
+      return ua.indexOf('webkit') != -1;
+    }
+    ())
+      return 'safari';
+    if (function(){
+      return ua.indexOf('msie') != -1 && $doc_0.documentMode >= 9;
+    }
+    ())
+      return 'ie9';
+    if (function(){
+      return ua.indexOf('msie') != -1 && $doc_0.documentMode >= 8;
+    }
+    ())
+      return 'ie8';
+    if (function(){
+      var result = /msie ([0-9]+)\.([0-9]+)/.exec(ua);
+      if (result && result.length == 3)
+        return makeVersion(result) >= 6000;
+    }
+    ())
+      return 'ie6';
+    if (function(){
+      return ua.indexOf('gecko') != -1;
+    }
+    ())
+      return 'gecko1_8';
+    return 'unknown';
+  }
+  ;
+  values['user.agent'] = {gecko1_8:0, ie6:1, ie8:2, ie9:3, opera:4, safari:5};
+  jsmolcalc.onScriptLoad = function(){
+    if (frameInjected) {
+      loadDone = true;
+      maybeStartModule();
+    }
+  }
+  ;
+  jsmolcalc.onInjectionDone = function(){
+    scriptsDone = true;
+    $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'loadExternalRefs', millis:(new Date).getTime(), type:'end'});
+    maybeStartModule();
+  }
+  ;
+  processMetas();
+  computeScriptBase();
+  var strongName;
+  var initialHtml;
+  if (isHostedMode()) {
+    if ($wnd_0.external && ($wnd_0.external.initModule && $wnd_0.external.initModule('jsmolcalc'))) {
+      $wnd_0.location.reload();
+      return;
+    }
+    initialHtml = 'hosted.html?jsmolcalc';
+    strongName = '';
+  }
+  $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'bootstrap', millis:(new Date).getTime(), type:'selectingPermutation'});
+  if (!isHostedMode()) {
+    try {
+      unflattenKeylistIntoAnswers(['ie6'], '2F6BC62FA9B71FB5EB318145F5D37E84');
+      unflattenKeylistIntoAnswers(['ie8'], '468C0B0171166372F064D287492CBD1E');
+      unflattenKeylistIntoAnswers(['gecko1_8'], 'C43483CC355E7BFB7BE2F45092922897');
+      unflattenKeylistIntoAnswers(['safari'], 'E38BF09B489084CBFD0BF2CB8A77BFAC');
+      unflattenKeylistIntoAnswers(['opera'], 'E8EDF03FE9C26D69E2C7DB17E15CF0ED');
+      unflattenKeylistIntoAnswers(['ie9'], 'F8283183F9546F019176F75A8E25B0F0');
+      strongName = answers[computePropValue('user.agent')];
+      var idx = strongName.indexOf(':');
+      if (idx != -1) {
+        softPermutationId = Number(strongName.substring(idx + 1));
+        strongName = strongName.substring(0, idx);
+      }
+      initialHtml = strongName + '.cache.html';
+    }
+     catch (e) {
+      return;
+    }
+  }
+  var onBodyDoneTimerId;
+  function onBodyDone(){
+    if (!bodyDone) {
+      bodyDone = true;
+      if (!__gwt_stylesLoaded['gwt/clean/clean.css']) {
+        var l = $doc_0.createElement('link');
+        __gwt_stylesLoaded['gwt/clean/clean.css'] = l;
+        l.setAttribute('rel', 'stylesheet');
+        l.setAttribute('href', base + 'gwt/clean/clean.css');
+        $doc_0.getElementsByTagName('head')[0].appendChild(l);
+      }
+      maybeStartModule();
+      if ($doc_0.removeEventListener) {
+        $doc_0.removeEventListener('DOMContentLoaded', onBodyDone, false);
+      }
+      if (onBodyDoneTimerId) {
+        clearInterval(onBodyDoneTimerId);
+      }
+    }
+  }
+
+  if ($doc_0.addEventListener) {
+    $doc_0.addEventListener('DOMContentLoaded', function(){
+      maybeInjectFrame();
+      onBodyDone();
+    }
+    , false);
+  }
+  var onBodyDoneTimerId = setInterval(function(){
+    if (/loaded|complete/.test($doc_0.readyState)) {
+      maybeInjectFrame();
+      onBodyDone();
+    }
+  }
+  , 50);
+  $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'bootstrap', millis:(new Date).getTime(), type:'end'});
+  $stats && $stats({moduleName:'jsmolcalc', sessionId:$sessionId_0, subSystem:'startup', evtGroup:'loadExternalRefs', millis:(new Date).getTime(), type:'begin'});
+  $doc_0.write('<script defer="defer">jsmolcalc.onInjectionDone(\'jsmolcalc\')<\/script>');
+}
+
+jsmolcalc();
diff --git a/common/static/js/capa/protex/39CC89519B0E1FCB47B935AC9FE13D7B.cache.html b/common/static/js/capa/protex/39CC89519B0E1FCB47B935AC9FE13D7B.cache.html
new file mode 100644
index 0000000000..e5db692aac
--- /dev/null
+++ b/common/static/js/capa/protex/39CC89519B0E1FCB47B935AC9FE13D7B.cache.html
@@ -0,0 +1,743 @@
+<html><head><meta charset="UTF-8" /><script>var $gwt_version = "2.5.0";var $wnd = parent;var $doc = $wnd.document;var $moduleName, $moduleBase;var $strongName = '39CC89519B0E1FCB47B935AC9FE13D7B';var $stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null,$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;$stats && $stats({moduleName:'protex',sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});</script></head><body><script><!--
+function WE(){}
+function Bb(){}
+function Hc(){}
+function cd(){}
+function cf(){}
+function kf(){}
+function wf(){}
+function Cf(){}
+function Lf(){}
+function Sf(){}
+function Fe(){}
+function Ne(){}
+function cg(){}
+function ig(){}
+function Qg(){}
+function Rg(){}
+function qm(){}
+function zm(){}
+function Cm(){}
+function Gm(){}
+function Mn(){}
+function co(){}
+function up(){}
+function xp(){}
+function zq(){}
+function Cq(){}
+function Lq(){}
+function Ns(){}
+function ux(){}
+function Bx(){}
+function wy(){}
+function Xy(){}
+function mB(){}
+function SC(){}
+function rC(){mC()}
+function xo(){wo()}
+function os(){Vc()}
+function Ws(){Vc()}
+function qt(){Vc()}
+function tt(){Vc()}
+function Kt(){Vc()}
+function Eu(){Vc()}
+function Yx(){Vc()}
+function Fx(){ev(this)}
+function vu(){su(this)}
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+function Jm(a,b){a.c=b}
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+function Km(a,b){a.e=b}
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+function qw(a){this.e=a}
+function qf(){this.b={}}
+function Tb(){this.b=Ub()}
+function We(){this.d=++Te}
+function P(){throw new Eu}
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+function T(a,b){a.o[KF]=b}
+function U(a,b){Z(a.o,b)}
+function W(a,b){Po(a.o,b)}
+function vb(a,b){jd(a.o,b)}
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+function vr(){vr=WE;Er()}
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+function bc(a){Vc();this.g=a}
+function Ed(){Dd();return yd}
+function Ud(){Td();return Od}
+function ie(){he();return ce}
+function Fr(){Er();return zr}
+function hz(){dz();return $y}
+function sx(){sx=WE;rx=new ux}
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new file mode 100644
index 0000000000..48b87f39b5
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+++ b/common/static/js/capa/protex/hosted.html
@@ -0,0 +1,365 @@
+<html>
+<head><script>
+var $wnd = parent;
+var $doc = $wnd.document;
+var $moduleName, $moduleBase, $entry
+,$stats = $wnd.__gwtStatsEvent ? function(a) {return $wnd.__gwtStatsEvent(a);} : null
+,$sessionId = $wnd.__gwtStatsSessionId ? $wnd.__gwtStatsSessionId : null;
+// Lightweight metrics
+if ($stats) {
+  var moduleFuncName = location.search.substr(1);
+  var moduleFunc = $wnd[moduleFuncName];
+  var moduleName = moduleFunc ? moduleFunc.moduleName : "unknown";
+  $stats({moduleName:moduleName,sessionId:$sessionId,subSystem:'startup',evtGroup:'moduleStartup',millis:(new Date()).getTime(),type:'moduleEvalStart'});
+}
+var $hostedHtmlVersion="2.1";
+
+var gwtOnLoad;
+var $hosted = "localhost:9997";
+
+function loadIframe(url) {
+  var topDoc = window.top.document;
+
+  // create an iframe
+  var iframeDiv = topDoc.createElement("div");
+  iframeDiv.innerHTML = "<iframe scrolling=no frameborder=0 src='" + url + "'>";
+  var iframe = iframeDiv.firstChild;
+  
+  // mess with the iframe style a little
+  var iframeStyle = iframe.style;
+  iframeStyle.position = "absolute";
+  iframeStyle.borderWidth = "0";
+  iframeStyle.left = "0";
+  iframeStyle.top = "0";
+  iframeStyle.width = "100%";
+  iframeStyle.backgroundColor = "#ffffff";
+  iframeStyle.zIndex = "1";
+  iframeStyle.height = "100%";
+
+  // update the top window's document's body's style
+  var hostBodyStyle = window.top.document.body.style; 
+  hostBodyStyle.margin = "0";
+  hostBodyStyle.height = iframeStyle.height;
+  hostBodyStyle.overflow = "hidden";
+
+  // insert the iframe
+  topDoc.body.insertBefore(iframe, topDoc.body.firstChild);
+}
+
+var ua = navigator.userAgent.toLowerCase();
+if (ua.indexOf("gecko") != -1) {
+  // install eval wrapper on FF to avoid EvalError problem
+  var __eval = window.eval;
+  window.eval = function(s) {
+    return __eval(s);
+  }
+}
+if (ua.indexOf("chrome") != -1) {
+  // work around __gwt_ObjectId appearing in JS objects
+  var hop = Object.prototype.hasOwnProperty;
+  Object.prototype.hasOwnProperty = function(prop) {
+    return prop != "__gwt_ObjectId" && hop.call(this, prop);
+  };
+  // do the same in our parent as well -- see issue 4486
+  // NOTE: this will have to be changed when we support non-iframe-based DevMode 
+  var hop2 = parent.Object.prototype.hasOwnProperty;
+  parent.Object.prototype.hasOwnProperty = function(prop) {
+    return prop != "__gwt_ObjectId" && hop2.call(this, prop);
+  };
+}
+
+// wrapper to call JS methods, which we need both to be able to supply a
+// different this for method lookup and to get the exception back
+function __gwt_jsInvoke(thisObj, methodName) {
+  try {
+    var args = Array.prototype.slice.call(arguments, 2);
+    return [0, window[methodName].apply(thisObj, args)];
+  } catch (e) {
+    return [1, e];
+  }
+}
+
+var __gwt_javaInvokes = [];
+function __gwt_makeJavaInvoke(argCount) {
+  return __gwt_javaInvokes[argCount] || __gwt_doMakeJavaInvoke(argCount);
+}
+
+function __gwt_doMakeJavaInvoke(argCount) {
+  // IE6 won't eval() anonymous functions except as r-values
+  var argList = "";
+  for (var i = 0; i < argCount; i++) {
+    argList += ",p" + i;
+  }
+  var argListNoComma = argList.substring(1);
+
+  return eval(
+    "__gwt_javaInvokes[" + argCount + "] =\n" +
+    "  function(thisObj, dispId" + argList + ") {\n" +
+    "    var result = __static(dispId, thisObj" + argList + ");\n" +
+    "    if (result[0]) {\n" +
+    "      throw result[1];\n" +
+    "    } else {\n" +
+    "      return result[1];\n" +
+    "    }\n" +
+    "  }\n"
+  ); 
+}
+
+/*
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+ * to exactly one dispId, and also embeds the argument count.  We get the "this"
+ * value from the context in which the function is being executed.
+ * Function-object identity is preserved by caching in a sparse array.
+ */
+var __gwt_tearOffs = [];
+var __gwt_tearOffGenerators = [];
+function __gwt_makeTearOff(proxy, dispId, argCount) {
+  return __gwt_tearOffs[dispId] || __gwt_doMakeTearOff(dispId, argCount);
+}
+
+function __gwt_doMakeTearOff(dispId, argCount) {
+  return __gwt_tearOffs[dispId] = 
+      (__gwt_tearOffGenerators[argCount] || __gwt_doMakeTearOffGenerator(argCount))(dispId);
+}
+
+function __gwt_doMakeTearOffGenerator(argCount) {
+  // IE6 won't eval() anonymous functions except as r-values
+  var argList = "";
+  for (var i = 0; i < argCount; i++) {
+    argList += ",p" + i;
+  }
+  var argListNoComma = argList.substring(1);
+
+  return eval(
+    "__gwt_tearOffGenerators[" + argCount + "] =\n" +
+    "  function(dispId) {\n" +
+    "    return function(" + argListNoComma + ") {\n" +
+    "      var result = __static(dispId, this" + argList + ");\n" +
+    "      if (result[0]) {\n" +
+    "        throw result[1];\n" +
+    "      } else {\n" +
+    "        return result[1];\n" +
+    "      }\n" +
+    "    }\n" +
+    "  }\n"
+  ); 
+}
+
+function __gwt_makeResult(isException, result) {
+  return [isException, result];
+}
+
+function __gwt_disconnected() {
+  // Prevent double-invocation.
+  window.__gwt_disconnected = new Function();
+  // Do it in a timeout so we can be sure we have a clean stack.
+  window.setTimeout(__gwt_disconnected_impl, 1);
+}
+
+function __gwt_disconnected_impl() {
+  __gwt_displayGlassMessage('GWT Code Server Disconnected',
+      'Most likely, you closed GWT Development Mode. Or, you might have lost '
+      + 'network connectivity. To fix this, try restarting GWT Development Mode and '
+      + 'refresh this page.');
+}
+
+// Keep track of z-index to allow layering of multiple glass messages
+var __gwt_glassMessageZIndex = 2147483647;
+
+// Note this method is also used by ModuleSpace.java
+function __gwt_displayGlassMessage(summary, details) {
+  var topWin = window.top;
+  var topDoc = topWin.document;
+  var outer = topDoc.createElement("div");
+  // Do not insert whitespace or outer.firstChild will get a text node.
+  outer.innerHTML = 
+    '<div style="position:absolute;z-index:' + __gwt_glassMessageZIndex-- +
+    ';left:50px;top:50px;width:600px;color:#FFF;font-family:verdana;text-align:left;">' +
+    '<div style="font-size:30px;font-weight:bold;">' + summary + '</div>' +
+    '<div style="font-size:15px;">' + details + '</div>' +
+    '</div>' +
+    '<div style="position:absolute;z-index:' + __gwt_glassMessageZIndex-- +
+    ';left:0px;top:0px;right:0px;bottom:0px;filter:alpha(opacity=60);opacity:0.6;background-color:#000;"></div>'
+  ;
+  topDoc.body.appendChild(outer);
+  var glass = outer.firstChild;
+  var glassStyle = glass.style;
+
+  // Scroll to the top and remove scrollbars.
+  topWin.scrollTo(0, 0);
+  if (topDoc.compatMode == "BackCompat") {
+    topDoc.body.style["overflow"] = "hidden";
+  } else {
+    topDoc.documentElement.style["overflow"] = "hidden";
+  }
+
+  // Steal focus.
+  glass.focus();
+
+  if ((navigator.userAgent.indexOf("MSIE") >= 0) && (topDoc.compatMode == "BackCompat")) {
+    // IE quirks mode doesn't support right/bottom, but does support this.
+    glassStyle.width = "125%";
+    glassStyle.height = "100%";
+  } else if (navigator.userAgent.indexOf("MSIE 6") >= 0) {
+    // IE6 doesn't have a real standards mode, so we have to use hacks.
+    glassStyle.width = "125%"; // Get past scroll bar area.
+    // Nasty CSS; onresize would be better but the outer window won't let us add a listener IE.
+    glassStyle.setExpression("height", "document.documentElement.clientHeight");
+  }
+
+  $doc.title = summary + " [" + $doc.title + "]";
+}
+
+function findPluginObject() {
+  try {
+    return document.getElementById('pluginObject');
+  } catch (e) {
+    return null;
+  }
+}
+
+function findPluginEmbed() {
+  try {
+    return document.getElementById('pluginEmbed')
+  } catch (e) {
+    return null;
+  }
+}
+
+function findPluginXPCOM() {
+  try {
+    return __gwt_HostedModePlugin;
+  } catch (e) {
+    return null;
+  }
+}
+
+gwtOnLoad = function(errFn, modName, modBase){
+  $moduleName = modName;
+  $moduleBase = modBase;
+
+  // Note that the order is important
+  var pluginFinders = [
+    findPluginXPCOM,
+    findPluginObject,
+    findPluginEmbed,
+  ];
+  var topWin = window.top;
+  var url = topWin.location.href;
+  if (!topWin.__gwt_SessionID) {
+    var ASCII_EXCLAMATION = 33;
+    var ASCII_TILDE = 126;
+    var chars = [];
+    for (var i = 0; i < 16; ++i) {
+      chars.push(Math.floor(ASCII_EXCLAMATION
+          + Math.random() * (ASCII_TILDE - ASCII_EXCLAMATION + 1)));
+    }
+    topWin.__gwt_SessionID = String.fromCharCode.apply(null, chars);
+  }
+  var plugin = null;
+  for (var i = 0; i < pluginFinders.length; ++i) {
+    try {
+      var maybePlugin = pluginFinders[i]();
+      if (maybePlugin != null && maybePlugin.init(window)) {
+        plugin = maybePlugin;
+        break;
+      }
+    } catch (e) {
+    }
+  }
+  if (!plugin) {
+    // try searching for a v1 plugin for backwards compatibility
+    var found = false;
+    for (var i = 0; i < pluginFinders.length; ++i) {
+      try {
+        plugin = pluginFinders[i]();
+        if (plugin != null && plugin.connect($hosted, $moduleName, window)) {
+          return;
+        }
+      } catch (e) {
+      }
+    }
+    loadIframe("http://gwt.google.com/missing-plugin");
+  } else {
+    if (plugin.connect(url, topWin.__gwt_SessionID, $hosted, $moduleName,
+        $hostedHtmlVersion)) {
+      window.onUnload = function() {
+        try {
+          // wrap in try/catch since plugins are not required to supply this
+          plugin.disconnect();
+        } catch (e) {
+        }
+      };
+    } else {
+      if (errFn) {
+        errFn(modName);
+      } else {
+        __gwt_displayGlassMessage(
+            "Plugin failed to connect to Development Mode server at " + simpleEscape($hosted),
+            "Follow the troubleshooting instructions at "
+            + "<a href='http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM'>"
+            + "http://code.google.com/p/google-web-toolkit/wiki/TroubleshootingOOPHM</a>");
+      }
+    }
+  }
+}
+
+function simpleEscape(originalString) {
+  return originalString.replace(/&/g,"&amp;")
+    .replace(/</g,"&lt;")
+    .replace(/>/g,"&gt;")
+    .replace(/\'/g, "&#39;")
+    .replace(/\"/g,"&quot;");
+}
+
+window.onunload = function() {
+};
+
+// Lightweight metrics
+window.fireOnModuleLoadStart = function(className) {
+  $stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'onModuleLoadStart', className:className});
+};
+
+window.__gwt_module_id = 0;
+</script></head>
+<body>
+<font face='arial' size='-1'>This html file is for Development Mode support.</font>
+<script><!--
+// Lightweight metrics
+$stats && $stats({moduleName:$moduleName, sessionId:$sessionId, subSystem:'startup', evtGroup:'moduleStartup', millis:(new Date()).getTime(), type:'moduleEvalEnd'});
+
+// OOPHM currently only supports IFrameLinker
+var query = parent.location.search;
+if (!findPluginXPCOM()) {
+  document.write('<embed id="pluginEmbed" type="application/x-gwt-hosted-mode" width="10" height="10">');
+  document.write('</embed>');
+  document.write('<object id="pluginObject" CLASSID="CLSID:1D6156B6-002B-49E7-B5CA-C138FB843B4E">');
+  document.write('</object>');
+}
+
+// look for the old query parameter if we don't find the new one
+var idx = query.indexOf("gwt.codesvr=");
+if (idx >= 0) {
+  idx += 12;  // "gwt.codesvr=".length() == 12
+} else {
+  idx = query.indexOf("gwt.hosted=");
+  if (idx >= 0) {
+    idx += 11;  // "gwt.hosted=".length() == 11
+  }
+}
+if (idx >= 0) {
+  var amp = query.indexOf("&", idx);
+  if (amp >= 0) {
+    $hosted = query.substring(idx, amp);
+  } else {
+    $hosted = query.substring(idx);
+  }
+
+  // According to RFC 3986, some of this component's characters (e.g., ':')
+  // are reserved and *may* be escaped.
+  $hosted = decodeURIComponent($hosted);
+}
+
+query = window.location.search.substring(1);
+if (query && $wnd[query]) setTimeout($wnd[query].onScriptLoad, 1);
+--></script></body></html>
diff --git a/common/static/js/capa/protex/protex.css b/common/static/js/capa/protex/protex.css
new file mode 100644
index 0000000000..882cd010c6
--- /dev/null
+++ b/common/static/js/capa/protex/protex.css
@@ -0,0 +1,53 @@
+.protex-absolute-panel {
+   background-color: #BBBBBB;
+}
+
+.protex-canvas {
+	outline: none;
+}
+
+.protex-caption-panel {
+	padding: 10px 10px 10px 10px;
+	margin: 0px 0px 0px 0px;
+	border:2px solid #4E4E4E;
+    font: normal normal normal 14pt/normal 'Open Sans', sans-serif;
+	background-color: #B2B2FF;
+}
+
+.protex-textbox {
+    font: normal normal normal 12pt/normal 'Open Sans', sans-serif !important;
+    padding: 2px 2px 2px 2px !important;
+}
+
+.protex-caption-panel-ss-bonds-on {
+    padding: 10px 10px 10px 10px;
+	margin: 0px 0px 0px 0px;
+	border:2px solid #4E4E4E;
+    font: normal normal normal 14pt/normal 'Open Sans', sans-serif;
+	background-color: #B2FFFF;	
+}
+
+.protex-button {
+    margin-right: 15px;
+}
+
+.protex-listbox {
+}
+
+.gwt-ProgressBar-shell {
+  border: 2px solid #faf9f7;
+  border-right: 2px solid #848280;
+  border-bottom: 2px solid #848280;
+  background-color: #AAAAAA;
+  height: 14pt;
+  width: 50%;
+  margin-left: 15px;
+}
+.gwt-ProgressBar-shell .gwt-ProgressBar-bar {
+  background-color: #67A7E3;
+}
+.gwt-ProgressBar-shell .gwt-ProgressBar-text {
+  padding: 0px;
+  margin: 0px;
+  color: white;
+}
diff --git a/common/static/js/capa/protex/protex.nocache.js b/common/static/js/capa/protex/protex.nocache.js
new file mode 100644
index 0000000000..77f770bf9c
--- /dev/null
+++ b/common/static/js/capa/protex/protex.nocache.js
@@ -0,0 +1,18 @@
+function protex(){var P='',xb='" for "gwt:onLoadErrorFn"',vb='" for "gwt:onPropertyErrorFn"',ib='"><\/script>',Z='#',Xb='.cache.html',_='/',lb='//',Qb='39CC89519B0E1FCB47B935AC9FE13D7B',Rb='6E05B1CD5BFCAF7D53C7C64D84318178',Wb=':',pb='::',dc='<script defer="defer">protex.onInjectionDone(\'protex\')<\/script>',hb='<script id="',sb='=',$='?',ub='Bad handler "',Sb='C824A958AB642DC2213DFFDAC640BEAA',Tb='D9267DE8FB02F8B995B4A58C66C76E29',cc='DOMContentLoaded',Ub='F275492F7098103BCB05F4F86ABF6218',Vb='F3301B0E65F38C7FCF2EF3764B3BB0B6',jb='SCRIPT',gb='__gwt_marker_protex',kb='base',cb='baseUrl',T='begin',S='bootstrap',bb='clear.cache.gif',rb='content',Y='end',Kb='gecko',Lb='gecko1_8',U='gwt.codesvr=',V='gwt.hosted=',W='gwt.hybrid',wb='gwt:onLoadErrorFn',tb='gwt:onPropertyErrorFn',qb='gwt:property',bc='head',Ob='hosted.html?protex',ac='href',Jb='ie6',Ib='ie8',Hb='ie9',yb='iframe',ab='img',zb="javascript:''",Zb='link',Nb='loadExternalRefs',mb='meta',Bb='moduleRequested',X='moduleStartup',Gb='msie',nb='name',Db='opera',Ab='position:absolute;width:0;height:0;border:none',Q='protex',Yb='protex.css',eb='protex.nocache.js',ob='protex::',$b='rel',Fb='safari',db='script',Pb='selectingPermutation',R='startup',_b='stylesheet',fb='undefined',Mb='unknown',Cb='user.agent',Eb='webkit';var m=window,n=document,o=m.__gwtStatsEvent?function(a){return m.__gwtStatsEvent(a)}:null,p=m.__gwtStatsSessionId?m.__gwtStatsSessionId:null,q,r,s,t=P,u={},v=[],w=[],x=[],y=0,z,A;o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:S,millis:(new Date).getTime(),type:T});if(!m.__gwt_stylesLoaded){m.__gwt_stylesLoaded={}}if(!m.__gwt_scriptsLoaded){m.__gwt_scriptsLoaded={}}function B(){var b=false;try{var c=m.location.search;return (c.indexOf(U)!=-1||(c.indexOf(V)!=-1||m.external&&m.external.gwtOnLoad))&&c.indexOf(W)==-1}catch(a){}B=function(){return b};return b}
+function C(){if(q&&r){var b=n.getElementById(Q);var c=b.contentWindow;if(B()){c.__gwt_getProperty=function(a){return H(a)}}protex=null;c.gwtOnLoad(z,Q,t,y);o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:X,millis:(new Date).getTime(),type:Y})}}
+function D(){function e(a){var b=a.lastIndexOf(Z);if(b==-1){b=a.length}var c=a.indexOf($);if(c==-1){c=a.length}var d=a.lastIndexOf(_,Math.min(c,b));return d>=0?a.substring(0,d+1):P}
+function f(a){if(a.match(/^\w+:\/\//)){}else{var b=n.createElement(ab);b.src=a+bb;a=e(b.src)}return a}
+function g(){var a=F(cb);if(a!=null){return a}return P}
+function h(){var a=n.getElementsByTagName(db);for(var b=0;b<a.length;++b){if(a[b].src.indexOf(eb)!=-1){return e(a[b].src)}}return P}
+function i(){var a;if(typeof isBodyLoaded==fb||!isBodyLoaded()){var b=gb;var c;n.write(hb+b+ib);c=n.getElementById(b);a=c&&c.previousSibling;while(a&&a.tagName!=jb){a=a.previousSibling}if(c){c.parentNode.removeChild(c)}if(a&&a.src){return e(a.src)}}return P}
+function j(){var a=n.getElementsByTagName(kb);if(a.length>0){return a[a.length-1].href}return P}
+function k(){var a=n.location;return a.href==a.protocol+lb+a.host+a.pathname+a.search+a.hash}
+var l=g();if(l==P){l=h()}if(l==P){l=i()}if(l==P){l=j()}if(l==P&&k()){l=e(n.location.href)}l=f(l);t=l;return l}
+function E(){var b=document.getElementsByTagName(mb);for(var c=0,d=b.length;c<d;++c){var e=b[c],f=e.getAttribute(nb),g;if(f){f=f.replace(ob,P);if(f.indexOf(pb)>=0){continue}if(f==qb){g=e.getAttribute(rb);if(g){var h,i=g.indexOf(sb);if(i>=0){f=g.substring(0,i);h=g.substring(i+1)}else{f=g;h=P}u[f]=h}}else if(f==tb){g=e.getAttribute(rb);if(g){try{A=eval(g)}catch(a){alert(ub+g+vb)}}}else if(f==wb){g=e.getAttribute(rb);if(g){try{z=eval(g)}catch(a){alert(ub+g+xb)}}}}}}
+function F(a){var b=u[a];return b==null?null:b}
+function G(a,b){var c=x;for(var d=0,e=a.length-1;d<e;++d){c=c[a[d]]||(c[a[d]]=[])}c[a[e]]=b}
+function H(a){var b=w[a](),c=v[a];if(b in c){return b}var d=[];for(var e in c){d[c[e]]=e}if(A){A(a,d,b)}throw null}
+var I;function J(){if(!I){I=true;var a=n.createElement(yb);a.src=zb;a.id=Q;a.style.cssText=Ab;a.tabIndex=-1;n.body.appendChild(a);o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:X,millis:(new Date).getTime(),type:Bb});a.contentWindow.location.replace(t+L)}}
+w[Cb]=function(){var b=navigator.userAgent.toLowerCase();var c=function(a){return parseInt(a[1])*1000+parseInt(a[2])};if(function(){return b.indexOf(Db)!=-1}())return Db;if(function(){return b.indexOf(Eb)!=-1}())return Fb;if(function(){return b.indexOf(Gb)!=-1&&n.documentMode>=9}())return Hb;if(function(){return b.indexOf(Gb)!=-1&&n.documentMode>=8}())return Ib;if(function(){var a=/msie ([0-9]+)\.([0-9]+)/.exec(b);if(a&&a.length==3)return c(a)>=6000}())return Jb;if(function(){return b.indexOf(Kb)!=-1}())return Lb;return Mb};v[Cb]={gecko1_8:0,ie6:1,ie8:2,ie9:3,opera:4,safari:5};protex.onScriptLoad=function(){if(I){r=true;C()}};protex.onInjectionDone=function(){q=true;o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:Nb,millis:(new Date).getTime(),type:Y});C()};E();D();var K;var L;if(B()){if(m.external&&(m.external.initModule&&m.external.initModule(Q))){m.location.reload();return}L=Ob;K=P}o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:S,millis:(new Date).getTime(),type:Pb});if(!B()){try{G([Db],Qb);G([Ib],Rb);G([Fb],Sb);G([Hb],Tb);G([Jb],Ub);G([Lb],Vb);K=x[H(Cb)];var M=K.indexOf(Wb);if(M!=-1){y=Number(K.substring(M+1));K=K.substring(0,M)}L=K+Xb}catch(a){return}}var N;function O(){if(!s){s=true;if(!__gwt_stylesLoaded[Yb]){var a=n.createElement(Zb);__gwt_stylesLoaded[Yb]=a;a.setAttribute($b,_b);a.setAttribute(ac,t+Yb);n.getElementsByTagName(bc)[0].appendChild(a)}C();if(n.removeEventListener){n.removeEventListener(cc,O,false)}if(N){clearInterval(N)}}}
+if(n.addEventListener){n.addEventListener(cc,function(){J();O()},false)}var N=setInterval(function(){if(/loaded|complete/.test(n.readyState)){J();O()}},50);o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:S,millis:(new Date).getTime(),type:Y});o&&o({moduleName:Q,sessionId:p,subSystem:R,evtGroup:Nb,millis:(new Date).getTime(),type:T});n.write(dc)}
+protex();
\ No newline at end of file
diff --git a/common/static/js/capa/protex/scrollTableLoading.gif b/common/static/js/capa/protex/scrollTableLoading.gif
new file mode 100644
index 0000000000..a0e70075a0
Binary files /dev/null and b/common/static/js/capa/protex/scrollTableLoading.gif differ
diff --git a/common/static/js/vendor/mathjax-MathJax-c9db6ac/docs/source/conf.py b/common/static/js/vendor/mathjax-MathJax-c9db6ac/docs/source/conf.py
index f0a8013eed..819bff31aa 100644
--- a/common/static/js/vendor/mathjax-MathJax-c9db6ac/docs/source/conf.py
+++ b/common/static/js/vendor/mathjax-MathJax-c9db6ac/docs/source/conf.py
@@ -11,7 +11,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
+import sys
+import os
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
diff --git a/common/static/sass/_mixins.scss b/common/static/sass/_mixins.scss
index 7191c780ca..76d52ed930 100644
--- a/common/static/sass/_mixins.scss
+++ b/common/static/sass/_mixins.scss
@@ -15,7 +15,7 @@
 
 // image-replacement hidden text
 @mixin text-hide() {
-  text-indent: -100%;
+  text-indent: 100%;
   white-space: nowrap;
   overflow: hidden;
 }
diff --git a/common/xml_cleanup.py b/common/xml_cleanup.py
index 15890fb99e..5f2b527063 100755
--- a/common/xml_cleanup.py
+++ b/common/xml_cleanup.py
@@ -8,12 +8,16 @@ In particular, the remove-meta option is only intended to be used after pulling
 using the metadata_to_json management command.
 """
 
-import os, fnmatch, re, sys
+import os
+import fnmatch
+import re
+import sys
 from lxml import etree
 from collections import defaultdict
 
 INVALID_CHARS = re.compile(r"[^\w.-]")
 
+
 def clean(value):
     """
     Return value, made into a form legal for locations
@@ -24,6 +28,7 @@ def clean(value):
 # category -> set of url_names for that category that we've already seen
 used_names = defaultdict(set)
 
+
 def clean_unique(category, name):
     cleaned = clean(name)
     if cleaned not in used_names[category]:
@@ -38,6 +43,7 @@ def clean_unique(category, name):
     used_names[category].add(cleaned)
     return cleaned
 
+
 def cleanup(filepath, remove_meta):
     # Keys that are exported to the policy file, and so
     # can be removed from the xml afterward
@@ -70,7 +76,7 @@ def cleanup(filepath, remove_meta):
             print "WARNING: {0} has both slug and url_name".format(node)
 
         if ('url_name' in attrs and 'filename' in attrs and
-            len(attrs)==2 and attrs['url_name'] == attrs['filename']):
+            len(attrs) == 2 and attrs['url_name'] == attrs['filename']):
             # This is a pointer tag in disguise.  Get rid of the filename.
             print 'turning {0}.{1} into a pointer tag'.format(node.tag, attrs['url_name'])
             del attrs['filename']
@@ -108,5 +114,3 @@ def main(args):
 
 if __name__ == '__main__':
     main(sys.argv[1:])
-
-
diff --git a/lms/djangoapps/certificates/migrations/0008_auto__del_revokedcertificate__del_field_generatedcertificate_name__add.py b/lms/djangoapps/certificates/migrations/0008_auto__del_revokedcertificate__del_field_generatedcertificate_name__add.py
index cbec7214c0..872804d286 100644
--- a/lms/djangoapps/certificates/migrations/0008_auto__del_revokedcertificate__del_field_generatedcertificate_name__add.py
+++ b/lms/djangoapps/certificates/migrations/0008_auto__del_revokedcertificate__del_field_generatedcertificate_name__add.py
@@ -160,4 +160,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0009_auto__del_field_generatedcertificate_graded_download_url__del_field_ge.py b/lms/djangoapps/certificates/migrations/0009_auto__del_field_generatedcertificate_graded_download_url__del_field_ge.py
index 40637452cc..2ff1434314 100644
--- a/lms/djangoapps/certificates/migrations/0009_auto__del_field_generatedcertificate_graded_download_url__del_field_ge.py
+++ b/lms/djangoapps/certificates/migrations/0009_auto__del_field_generatedcertificate_graded_download_url__del_field_ge.py
@@ -92,4 +92,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0010_auto__del_field_generatedcertificate_enabled__add_field_generatedcerti.py b/lms/djangoapps/certificates/migrations/0010_auto__del_field_generatedcertificate_enabled__add_field_generatedcerti.py
index 5970c96f6b..a41e58cc3b 100644
--- a/lms/djangoapps/certificates/migrations/0010_auto__del_field_generatedcertificate_enabled__add_field_generatedcerti.py
+++ b/lms/djangoapps/certificates/migrations/0010_auto__del_field_generatedcertificate_enabled__add_field_generatedcerti.py
@@ -78,4 +78,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0011_auto__del_field_generatedcertificate_certificate_id__add_field_generat.py b/lms/djangoapps/certificates/migrations/0011_auto__del_field_generatedcertificate_certificate_id__add_field_generat.py
index 36d6e5d4f3..155839a82f 100644
--- a/lms/djangoapps/certificates/migrations/0011_auto__del_field_generatedcertificate_certificate_id__add_field_generat.py
+++ b/lms/djangoapps/certificates/migrations/0011_auto__del_field_generatedcertificate_certificate_id__add_field_generat.py
@@ -87,4 +87,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0012_auto__add_field_generatedcertificate_name__add_field_generatedcertific.py b/lms/djangoapps/certificates/migrations/0012_auto__add_field_generatedcertificate_name__add_field_generatedcertific.py
index 4195860ca5..9261654ec8 100644
--- a/lms/djangoapps/certificates/migrations/0012_auto__add_field_generatedcertificate_name__add_field_generatedcertific.py
+++ b/lms/djangoapps/certificates/migrations/0012_auto__add_field_generatedcertificate_name__add_field_generatedcertific.py
@@ -90,4 +90,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0013_auto__add_field_generatedcertificate_error_reason.py b/lms/djangoapps/certificates/migrations/0013_auto__add_field_generatedcertificate_error_reason.py
index 7f31e6ebd9..6031c8055b 100644
--- a/lms/djangoapps/certificates/migrations/0013_auto__add_field_generatedcertificate_error_reason.py
+++ b/lms/djangoapps/certificates/migrations/0013_auto__add_field_generatedcertificate_error_reason.py
@@ -75,4 +75,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/migrations/0014_adding_whitelist.py b/lms/djangoapps/certificates/migrations/0014_adding_whitelist.py
index 1bd4d994cf..0aafea4067 100644
--- a/lms/djangoapps/certificates/migrations/0014_adding_whitelist.py
+++ b/lms/djangoapps/certificates/migrations/0014_adding_whitelist.py
@@ -86,4 +86,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['certificates']
\ No newline at end of file
+    complete_apps = ['certificates']
diff --git a/lms/djangoapps/certificates/models.py b/lms/djangoapps/certificates/models.py
index 0e68e3cfe7..dc438b805a 100644
--- a/lms/djangoapps/certificates/models.py
+++ b/lms/djangoapps/certificates/models.py
@@ -62,6 +62,7 @@ class CertificateStatuses(object):
     restricted = 'restricted'
     error = 'error'
 
+
 class CertificateWhitelist(models.Model):
     """
     Tracks students who are whitelisted, all users
@@ -74,6 +75,7 @@ class CertificateWhitelist(models.Model):
     course_id = models.CharField(max_length=255, blank=True, default='')
     whitelist = models.BooleanField(default=0)
 
+
 class GeneratedCertificate(models.Model):
     user = models.ForeignKey(User)
     course_id = models.CharField(max_length=255, blank=True, default='')
diff --git a/lms/djangoapps/certificates/queue.py b/lms/djangoapps/certificates/queue.py
index d926035efd..a7eb4e3c81 100644
--- a/lms/djangoapps/certificates/queue.py
+++ b/lms/djangoapps/certificates/queue.py
@@ -142,7 +142,7 @@ class XQueueCertInterface(object):
 
         """
 
-        VALID_STATUSES = [ status.generating,
+        VALID_STATUSES = [status.generating,
                 status.unavailable, status.deleted, status.error,
                 status.notpassing]
 
diff --git a/lms/djangoapps/course_wiki/course_nav.py b/lms/djangoapps/course_wiki/course_nav.py
index 122f9ebb54..434860a0f7 100644
--- a/lms/djangoapps/course_wiki/course_nav.py
+++ b/lms/djangoapps/course_wiki/course_nav.py
@@ -11,6 +11,7 @@ from courseware.courses import get_course_with_access
 
 IN_COURSE_WIKI_REGEX = r'/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/wiki/(?P<wiki_path>.*|)$'
 
+
 class Middleware(object):
     """
     This middleware is to keep the course nav bar above the wiki while
@@ -18,68 +19,68 @@ class Middleware(object):
     If it intercepts a request for /wiki/.. that has a referrer in the
     form /courses/course_id/... it will redirect the user to the page
     /courses/course_id/wiki/...
-    
+
     It is also possible that someone followed a link leading to a course
     that they don't have access to. In this case, we redirect them to the
     same page on the regular wiki.
-    
+
     If we return a redirect, this middleware makes sure that the redirect
     keeps the student in the course.
-    
+
     Finally, if the student is in the course viewing a wiki, we change the
     reverse() function to resolve wiki urls as a course wiki url by setting
     the _transform_url attribute on wiki.models.reverse.
-    
+
     Forgive me Father, for I have hacked.
     """
-    
+
     def __init__(self):
         self.redirected = False
-    
+
     def process_request(self, request):
         self.redirected = False
         wiki_reverse._transform_url = lambda url: url
-        
+
         referer = request.META.get('HTTP_REFERER')
         destination = request.path
-        
-        
+
+
         if request.method == 'GET':
             new_destination = self.get_redirected_url(request.user, referer, destination)
-        
+
             if new_destination != destination:
                 # We mark that we generated this redirection, so we don't modify it again
                 self.redirected = True
                 return redirect(new_destination)
-        
+
         course_match = re.match(IN_COURSE_WIKI_REGEX, destination)
         if course_match:
             course_id = course_match.group('course_id')
             prepend_string = '/courses/' + course_match.group('course_id')
             wiki_reverse._transform_url = lambda url: prepend_string + url
-        
+
         return None
-    
-    
+
+
     def process_response(self, request, response):
         """
         If this is a redirect response going to /wiki/*, then we might need
         to change it to be a redirect going to /courses/*/wiki*.
         """
-        if not self.redirected and response.status_code == 302: #This is a redirect
+        if not self.redirected and response.status_code == 302:   # This is a redirect
             referer = request.META.get('HTTP_REFERER')
             destination_url = response['LOCATION']
             destination = urlparse(destination_url).path
-        
+
             new_destination = self.get_redirected_url(request.user, referer, destination)
-            
+
             if new_destination != destination:
                 new_url = destination_url.replace(destination, new_destination)
                 response['LOCATION'] = new_url
-        
+
         return response
-    
-        
+
+
     def get_redirected_url(self, user, referer, destination):
         """
         Returns None if the destination shouldn't be changed.
@@ -87,14 +88,14 @@ class Middleware(object):
         if not referer:
             return destination
         referer_path = urlparse(referer).path
-        
+
         path_match = re.match(r'^/wiki/(?P<wiki_path>.*|)$', destination)
         if path_match:
             # We are going to the wiki. Check if we came from a course
             course_match = re.match(r'/courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/.*', referer_path)
             if course_match:
                 course_id = course_match.group('course_id')
-                
+
                 # See if we are able to view the course. If we are, redirect to it
                 try:
                     course = get_course_with_access(user, course_id, 'load')
@@ -102,9 +103,9 @@ class Middleware(object):
                 except Http404:
                     # Even though we came from the course, we can't see it. So don't worry about it.
                     pass
-        
+
         else:
-            # It is also possible we are going to a course wiki view, but we 
+            # It is also possible we are going to a course wiki view, but we
             # don't have permission to see the course!
             course_match = re.match(IN_COURSE_WIKI_REGEX, destination)
             if course_match:
@@ -117,9 +118,9 @@ class Middleware(object):
                 except Http404:
                     # We can't see the course, so redirect to the regular wiki
                     return "/wiki/" + course_match.group('wiki_path')
-        
+
         return destination
-    
+
 
 def context_processor(request):
     """
@@ -129,21 +130,20 @@ def context_processor(request):
     then we add 'course' to the context. This allows the course nav
     bar to be shown.
     """
-    
+
     match = re.match(IN_COURSE_WIKI_REGEX, request.path)
     if match:
         course_id = match.group('course_id')
-        
+
         try:
             course = get_course_with_access(request.user, course_id, 'load')
             staff_access = has_access(request.user, course, 'staff')
-            return {'course' : course,
+            return {'course': course,
                     'staff_access': staff_access}
         except Http404:
             # We couldn't access the course for whatever reason. It is too late to change
             # the URL here, so we just leave the course context. The middleware shouldn't
             # let this happen
             pass
-            
+
     return {}
-    
\ No newline at end of file
diff --git a/lms/djangoapps/course_wiki/editors.py b/lms/djangoapps/course_wiki/editors.py
index c1f5b733ad..2ca8260bfe 100644
--- a/lms/djangoapps/course_wiki/editors.py
+++ b/lms/djangoapps/course_wiki/editors.py
@@ -14,11 +14,11 @@ class CodeMirrorWidget(forms.Widget):
     def __init__(self, attrs=None):
         # The 'rows' and 'cols' attributes are required for HTML correctness.
         default_attrs = {'class': 'markItUp',
-                         'rows': '10', 'cols': '40',}
+                         'rows': '10', 'cols': '40', }
         if attrs:
             default_attrs.update(attrs)
         super(CodeMirrorWidget, self).__init__(default_attrs)
-    
+
     def render(self, name, value, attrs=None):
         if value is None: value = ''
 
@@ -34,10 +34,10 @@ class CodeMirrorWidget(forms.Widget):
 
 class CodeMirror(BaseEditor):
     editor_id = 'codemirror'
-    
+
     def get_admin_widget(self, instance=None):
         return MarkItUpAdminWidget()
-    
+
     def get_widget(self, instance=None):
         return CodeMirrorWidget()
 
@@ -61,4 +61,3 @@ class CodeMirror(BaseEditor):
               "js/wiki/CodeMirror.init.js",
               "js/wiki/cheatsheet.js",
               )
-
diff --git a/lms/djangoapps/course_wiki/plugins/markdownedx/__init__.py b/lms/djangoapps/course_wiki/plugins/markdownedx/__init__.py
index 8845471eda..53fd3d4d3b 100644
--- a/lms/djangoapps/course_wiki/plugins/markdownedx/__init__.py
+++ b/lms/djangoapps/course_wiki/plugins/markdownedx/__init__.py
@@ -1,2 +1,2 @@
 # Make sure wiki_plugin.py gets run.
-from course_wiki.plugins.markdownedx.wiki_plugin import ExtendMarkdownPlugin
\ No newline at end of file
+from course_wiki.plugins.markdownedx.wiki_plugin import ExtendMarkdownPlugin
diff --git a/lms/djangoapps/course_wiki/plugins/markdownedx/mdx_mathjax.py b/lms/djangoapps/course_wiki/plugins/markdownedx/mdx_mathjax.py
index a9148511e3..b14803744b 100644
--- a/lms/djangoapps/course_wiki/plugins/markdownedx/mdx_mathjax.py
+++ b/lms/djangoapps/course_wiki/plugins/markdownedx/mdx_mathjax.py
@@ -28,4 +28,3 @@ class MathJaxExtension(markdown.Extension):
 
 def makeExtension(configs=None):
     return MathJaxExtension(configs)
-
diff --git a/lms/djangoapps/course_wiki/plugins/markdownedx/wiki_plugin.py b/lms/djangoapps/course_wiki/plugins/markdownedx/wiki_plugin.py
index ffbe7b0a52..765ee57422 100644
--- a/lms/djangoapps/course_wiki/plugins/markdownedx/wiki_plugin.py
+++ b/lms/djangoapps/course_wiki/plugins/markdownedx/wiki_plugin.py
@@ -7,15 +7,15 @@ from wiki.core.plugins import registry as plugin_registry
 
 from course_wiki.plugins.markdownedx import mdx_circuit, mdx_mathjax, mdx_video
 
+
 class ExtendMarkdownPlugin(BasePlugin):
     """
     This plugin simply loads all of the markdown extensions we use in edX.
     """
-        
+
     markdown_extensions = [mdx_circuit.CircuitExtension(configs={}),
                            #mdx_image.ImageExtension() , #This one doesn't work. Tries to import simplewiki.settings
-                           mdx_mathjax.MathJaxExtension(configs={}) ,
+                           mdx_mathjax.MathJaxExtension(configs={}),
                            mdx_video.VideoExtension(configs={})]
 
 plugin_registry.register(ExtendMarkdownPlugin)
-
diff --git a/lms/djangoapps/course_wiki/tests/__init__.py b/lms/djangoapps/course_wiki/tests/__init__.py
index 8b13789179..e69de29bb2 100644
--- a/lms/djangoapps/course_wiki/tests/__init__.py
+++ b/lms/djangoapps/course_wiki/tests/__init__.py
@@ -1 +0,0 @@
-
diff --git a/lms/djangoapps/course_wiki/tests/tests.py b/lms/djangoapps/course_wiki/tests/tests.py
index f1c4fa4810..cecc4f9cf9 100644
--- a/lms/djangoapps/course_wiki/tests/tests.py
+++ b/lms/djangoapps/course_wiki/tests/tests.py
@@ -1,5 +1,5 @@
 from django.core.urlresolvers import reverse
-from override_settings import override_settings
+from django.test.utils import override_settings
 
 import xmodule.modulestore.django
 
@@ -13,10 +13,10 @@ class WikiRedirectTestCase(PageLoader):
     def setUp(self):
         xmodule.modulestore.django._MODULESTORES = {}
         courses = modulestore().get_courses()
-        
+
         def find_course(name):
             """Assumes the course is present"""
-            return [c for c in courses if c.location.course==name][0]
+            return [c for c in courses if c.location.course == name][0]
 
         self.full = find_course("full")
         self.toy = find_course("toy")
@@ -29,91 +29,89 @@ class WikiRedirectTestCase(PageLoader):
         self.create_account('u2', self.instructor, self.password)
         self.activate_user(self.student)
         self.activate_user(self.instructor)
-        
-    
-    
+
+
+
     def test_wiki_redirect(self):
         """
         Test that requesting wiki URLs redirect properly to or out of classes.
-        
-        An enrolled in student going from /courses/edX/toy/2012_Fall/progress 
-        to /wiki/some/fake/wiki/page/ will redirect to 
+
+        An enrolled in student going from /courses/edX/toy/2012_Fall/progress
+        to /wiki/some/fake/wiki/page/ will redirect to
         /courses/edX/toy/2012_Fall/wiki/some/fake/wiki/page/
-        
+
         An unenrolled student going to /courses/edX/toy/2012_Fall/wiki/some/fake/wiki/page/
         will be redirected to /wiki/some/fake/wiki/page/
-        
+
         """
         self.login(self.student, self.password)
-        
+
         self.enroll(self.toy)
-        
-        referer = reverse("progress", kwargs={ 'course_id' : self.toy.id })
+
+        referer = reverse("progress", kwargs={'course_id': self.toy.id})
         destination = reverse("wiki:get", kwargs={'path': 'some/fake/wiki/page/'})
-        
+
         redirected_to = referer.replace("progress", "wiki/some/fake/wiki/page/")
-        
-        resp = self.client.get( destination, HTTP_REFERER=referer)
-        self.assertEqual(resp.status_code, 302 )
-        
-        self.assertEqual(resp['Location'], 'http://testserver' + redirected_to )
-        
-        
+
+        resp = self.client.get(destination, HTTP_REFERER=referer)
+        self.assertEqual(resp.status_code, 302)
+
+        self.assertEqual(resp['Location'], 'http://testserver' + redirected_to)
+
+
         # Now we test that the student will be redirected away from that page if the course doesn't exist
         # We do this in the same test because we want to make sure the redirected_to is constructed correctly
-        
+
         # This is a location like /courses/*/wiki/* , but with an invalid course ID
-        bad_course_wiki_page = redirected_to.replace( self.toy.location.course, "bad_course" )
-        
-        resp = self.client.get( bad_course_wiki_page, HTTP_REFERER=referer)
+        bad_course_wiki_page = redirected_to.replace(self.toy.location.course, "bad_course")
+
+        resp = self.client.get(bad_course_wiki_page, HTTP_REFERER=referer)
         self.assertEqual(resp.status_code, 302)
-        self.assertEqual(resp['Location'], 'http://testserver' + destination )
-        
-    
+        self.assertEqual(resp['Location'], 'http://testserver' + destination)
+
+
     def create_course_page(self, course):
         """
         Test that loading the course wiki page creates the wiki page.
         The user must be enrolled in the course to see the page.
         """
-        
-        course_wiki_home = reverse('course_wiki', kwargs={'course_id' : course.id})
-        referer = reverse("progress", kwargs={ 'course_id' : self.toy.id })
-        
+
+        course_wiki_home = reverse('course_wiki', kwargs={'course_id': course.id})
+        referer = reverse("progress", kwargs={'course_id': self.toy.id})
+
         resp = self.client.get(course_wiki_home, follow=True, HTTP_REFERER=referer)
-                
+
         course_wiki_page = referer.replace('progress', 'wiki/' + self.toy.wiki_slug + "/")
-        
+
         ending_location = resp.redirect_chain[-1][0]
         ending_status = resp.redirect_chain[-1][1]
-                
-        self.assertEquals(ending_location, 'http://testserver' + course_wiki_page )
+
+        self.assertEquals(ending_location, 'http://testserver' + course_wiki_page)
         self.assertEquals(resp.status_code, 200)
-        
+
         self.has_course_navigator(resp)
-    
+
     def has_course_navigator(self, resp):
         """
         Ensure that the response has the course navigator.
         """
-        self.assertTrue( "course info" in resp.content.lower() )
-        self.assertTrue( "courseware" in resp.content.lower() )
-        
-    
+        self.assertTrue("course info" in resp.content.lower())
+        self.assertTrue("courseware" in resp.content.lower())
+
+
     def test_course_navigator(self):
         """"
         Test that going from a course page to a wiki page contains the course navigator.
         """
-        
+
         self.login(self.student, self.password)
         self.enroll(self.toy)
         self.create_course_page(self.toy)
-        
-        
-        course_wiki_page = reverse('wiki:get', kwargs={'path' : self.toy.wiki_slug + '/'})
-        referer = reverse("courseware", kwargs={ 'course_id' : self.toy.id })
-        
+
+
+        course_wiki_page = reverse('wiki:get', kwargs={'path': self.toy.wiki_slug + '/'})
+        referer = reverse("courseware", kwargs={'course_id': self.toy.id})
+
         resp = self.client.get(course_wiki_page, follow=True, HTTP_REFERER=referer)
-        
+
         self.has_course_navigator(resp)
-
-
diff --git a/lms/djangoapps/course_wiki/views.py b/lms/djangoapps/course_wiki/views.py
index 47112fc1d3..a088f8fc14 100644
--- a/lms/djangoapps/course_wiki/views.py
+++ b/lms/djangoapps/course_wiki/views.py
@@ -12,6 +12,7 @@ from courseware.courses import get_course_by_id
 
 log = logging.getLogger(__name__)
 
+
 def root_create(request):
     """
     In the edX wiki, we don't show the root_create view. Instead, we
@@ -28,7 +29,7 @@ def course_wiki_redirect(request, course_id):
     example, "/6.002x") to keep things simple.
     """
     course = get_course_by_id(course_id)
-    
+
     course_slug = course.wiki_slug
 
 
@@ -43,7 +44,7 @@ def course_wiki_redirect(request, course_id):
     except:
         pass
 
-    
+
     valid_slug = True
     if not course_slug:
         log.exception("This course is improperly configured. The slug cannot be empty.")
@@ -54,8 +55,8 @@ def course_wiki_redirect(request, course_id):
 
     if not valid_slug:
         return redirect("wiki:get", path="")
-    
-    
+
+
     # The wiki needs a Site object created. We make sure it exists here
     try:
         site = Site.objects.get_current()
@@ -66,30 +67,30 @@ def course_wiki_redirect(request, course_id):
         new_site.save()
         if str(new_site.id) != str(settings.SITE_ID):
             raise ImproperlyConfigured("No site object was created and the SITE_ID doesn't match the newly created one. " + str(new_site.id) + "!=" + str(settings.SITE_ID))
-    
+
     try:
         urlpath = URLPath.get_by_path(course_slug, select_related=True)
-        
-        results = list( Article.objects.filter( id = urlpath.article.id ) )
+
+        results = list(Article.objects.filter(id=urlpath.article.id))
         if results:
             article = results[0]
         else:
             article = None
-    
+
     except (NoRootURL, URLPath.DoesNotExist):
         # We will create it in the next block
         urlpath = None
         article = None
-        
+
     if not article:
         # create it
         root = get_or_create_root()
-        
+
         if urlpath:
             # Somehow we got a urlpath without an article. Just delete it and
             # recerate it.
             urlpath.delete()
-        
+
         urlpath = URLPath.create_article(
             root,
             course_slug,
@@ -105,9 +106,9 @@ def course_wiki_redirect(request, course_id):
                             'other_read': True,
                             'other_write': True,
                             })
-        
+
     return redirect("wiki:get", path=urlpath.path)
-    
+
 
 def get_or_create_root():
     """
@@ -121,12 +122,12 @@ def get_or_create_root():
         return root
     except NoRootURL:
         pass
-    
+
     starting_content = "\n".join((
     "Welcome to the edX Wiki",
     "===",
     "Visit a course wiki to add an article."))
-    
+
     root = URLPath.create_root(title="Wiki",
                         content=starting_content)
     article = root.article
@@ -136,6 +137,5 @@ def get_or_create_root():
     article.other_read = True
     article.other_write = False
     article.save()
-    
+
     return root
-    
diff --git a/lms/djangoapps/courseware/access.py b/lms/djangoapps/courseware/access.py
index 475a708254..b41d231011 100644
--- a/lms/djangoapps/courseware/access.py
+++ b/lms/djangoapps/courseware/access.py
@@ -186,9 +186,9 @@ def _get_access_group_name_course_desc(course, action):
     '''
     Return name of group which gives staff access to course.  Only understands action = 'staff' and 'instructor'
     '''
-    if action=='staff':
+    if action == 'staff':
         return _course_staff_group_name(course.location)
-    elif action=='instructor':
+    elif action == 'instructor':
         return _course_instructor_group_name(course.location)
 
     return []
@@ -367,6 +367,7 @@ def _course_staff_group_name(location, course_context=None):
 
     return 'staff_%s' % course_id
 
+
 def course_beta_test_group_name(location):
     """
     Get the name of the beta tester group for a location.  Right now, that's
@@ -462,6 +463,7 @@ def _adjust_start_date_for_beta_testers(user, descriptor):
 
     return descriptor.start
 
+
 def _has_instructor_access_to_location(user, location, course_context=None):
     return _has_access_to_location(user, location, 'instructor', course_context)
 
diff --git a/lms/djangoapps/courseware/admin.py b/lms/djangoapps/courseware/admin.py
index f7e54d1800..9ef4c1de20 100644
--- a/lms/djangoapps/courseware/admin.py
+++ b/lms/djangoapps/courseware/admin.py
@@ -11,4 +11,3 @@ admin.site.register(StudentModule)
 admin.site.register(OfflineComputedGrade)
 
 admin.site.register(OfflineComputedGradeLog)
-
diff --git a/lms/djangoapps/courseware/courses.py b/lms/djangoapps/courseware/courses.py
index ce29d69784..52346d7583 100644
--- a/lms/djangoapps/courseware/courses.py
+++ b/lms/djangoapps/courseware/courses.py
@@ -27,6 +27,7 @@ from xmodule.modulestore.exceptions import ItemNotFoundError
 
 log = logging.getLogger(__name__)
 
+
 def get_request_for_thread():
     """Walk up the stack, return the nearest first argument named "request"."""
     frame = None
@@ -152,7 +153,7 @@ def get_course_about_section(course, section_key):
             request = get_request_for_thread()
 
             loc = course.location._replace(category='about', name=section_key)
-            course_module = get_module(request.user, request, loc, None, course.id, not_found_ok = True, wrap_xmodule_display = False)
+            course_module = get_module(request.user, request, loc, None, course.id, not_found_ok=True, wrap_xmodule_display=False)
 
             html = ''
 
@@ -190,7 +191,7 @@ def get_course_info_section(request, cache, course, section_key):
 
 
     loc = Location(course.location.tag, course.location.org, course.location.course, 'course_info', section_key)
-    course_module = get_module(request.user, request, loc, cache, course.id, wrap_xmodule_display = False)
+    course_module = get_module(request.user, request, loc, cache, course.id, wrap_xmodule_display=False)
     html = ''
 
     if course_module is not None:
@@ -259,7 +260,7 @@ def get_courses(user, domain=None):
     courses = branding.get_visible_courses(domain)
     courses = [c for c in courses if has_access(user, c, 'see_exists')]
 
-    courses = sorted(courses, key=lambda course:course.number)
+    courses = sorted(courses, key=lambda course: course.number)
 
     return courses
 
diff --git a/lms/djangoapps/courseware/features/courses.py b/lms/djangoapps/courseware/features/courses.py
index aecaa139ff..9b1316b00d 100644
--- a/lms/djangoapps/courseware/features/courses.py
+++ b/lms/djangoapps/courseware/features/courses.py
@@ -8,6 +8,8 @@ from logging import getLogger
 logger = getLogger(__name__)
 
 ## support functions
+
+
 def get_courses():
     '''
     Returns dict of lists of courses available, keyed by course.org (ie university).
@@ -41,6 +43,7 @@ def get_courses():
 #     courseware = [ {'chapter_name':c.display_name, 'sections':[s.display_name for s in c.get_children()]} for c in chapters]
 #     return courseware
 
+
 def get_courseware_with_tabs(course_id):
     """
     Given a course_id (string), return a courseware array of dictionaries for the
@@ -101,18 +104,19 @@ def get_courseware_with_tabs(course_id):
     """
 
     course = get_course_by_id(course_id)
-    chapters = [ chapter for chapter in course.get_children() if chapter.metadata.get('hide_from_toc','false').lower() != 'true' ]
-    courseware = [{'chapter_name':c.display_name, 
-                    'sections':[{'section_name':s.display_name, 
-                                'clickable_tab_count':len(s.get_children()) if (type(s)==seq_module.SequenceDescriptor) else 0, 
-                                'tabs':[{'children_count':len(t.get_children()) if (type(t)==vertical_module.VerticalDescriptor) else 0,
-                                        'class':t.__class__.__name__  }
-                                        for t in s.get_children() ]} 
+    chapters = [chapter for chapter in course.get_children() if chapter.metadata.get('hide_from_toc', 'false').lower() != 'true']
+    courseware = [{'chapter_name': c.display_name,
+                    'sections': [{'section_name': s.display_name, 
+                                'clickable_tab_count': len(s.get_children()) if (type(s) == seq_module.SequenceDescriptor) else 0, 
+                                'tabs': [{'children_count': len(t.get_children()) if (type(t) == vertical_module.VerticalDescriptor) else 0,
+                                        'class': t.__class__.__name__}
+                                        for t in s.get_children()]}
                                 for s in c.get_children() if s.metadata.get('hide_from_toc', 'false').lower() != 'true']}
-                    for c in chapters ]
+                    for c in chapters]
 
     return courseware
 
+
 def process_section(element, num_tabs=0):
     '''
     Process section reads through whatever is in 'course-content' and classifies it according to sequence module type.
diff --git a/lms/djangoapps/courseware/features/courseware.py b/lms/djangoapps/courseware/features/courseware.py
index 05ecd63f4b..7e99cc9f55 100644
--- a/lms/djangoapps/courseware/features/courseware.py
+++ b/lms/djangoapps/courseware/features/courseware.py
@@ -1,7 +1,8 @@
 from lettuce import world, step
 from lettuce.django import django_url
 
+
 @step('I visit the courseware URL$')
 def i_visit_the_course_info_url(step):
     url = django_url('/courses/MITx/6.002x/2012_Fall/courseware')
-    world.browser.visit(url)
\ No newline at end of file
+    world.browser.visit(url)
diff --git a/lms/djangoapps/courseware/features/courseware_common.py b/lms/djangoapps/courseware/features/courseware_common.py
index 8850c88fef..5ee21da906 100644
--- a/lms/djangoapps/courseware/features/courseware_common.py
+++ b/lms/djangoapps/courseware/features/courseware_common.py
@@ -1,36 +1,43 @@
 from lettuce import world, step
 from lettuce.django import django_url
 
+
 @step('I click on View Courseware')
 def i_click_on_view_courseware(step):
     css = 'p.enter-course'
     world.browser.find_by_css(css).first.click()
 
+
 @step('I click on the "([^"]*)" tab$')
 def i_click_on_the_tab(step, tab):
     world.browser.find_link_by_text(tab).first.click()
     world.save_the_html()
 
+
 @step('I visit the courseware URL$')
 def i_visit_the_course_info_url(step):
     url = django_url('/courses/MITx/6.002x/2012_Fall/courseware')
     world.browser.visit(url)
 
+
 @step(u'I do not see "([^"]*)" anywhere on the page')
 def i_do_not_see_text_anywhere_on_the_page(step, text):
-    assert world.browser.is_text_not_present(text)    
+    assert world.browser.is_text_not_present(text)
+
 
 @step(u'I am on the dashboard page$')
 def i_am_on_the_dashboard_page(step):
     assert world.browser.is_element_present_by_css('section.courses')
     assert world.browser.url == django_url('/dashboard')
 
+
 @step('the "([^"]*)" tab is active$')
 def the_tab_is_active(step, tab):
     css = '.course-tabs a.active'
     active_tab = world.browser.find_by_css(css)
     assert (active_tab.text == tab)
 
+
 @step('the login dialog is visible$')
 def login_dialog_visible(step):
     css = 'form#login_form.login_form'
diff --git a/lms/djangoapps/courseware/features/openended.py b/lms/djangoapps/courseware/features/openended.py
index d37f9a0fae..0725a051ff 100644
--- a/lms/djangoapps/courseware/features/openended.py
+++ b/lms/djangoapps/courseware/features/openended.py
@@ -4,29 +4,33 @@ from nose.tools import assert_equals, assert_in
 from logging import getLogger
 logger = getLogger(__name__)
 
+
 @step('I navigate to an openended question$')
 def navigate_to_an_openended_question(step):
     world.register_by_course_id('MITx/3.091x/2012_Fall')
-    world.log_in('robot@edx.org','test')
+    world.log_in('robot@edx.org', 'test')
     problem = '/courses/MITx/3.091x/2012_Fall/courseware/Week_10/Polymer_Synthesis/'
     world.browser.visit(django_url(problem))
     tab_css = 'ol#sequence-list > li > a[data-element="5"]'
     world.browser.find_by_css(tab_css).click()
 
+
 @step('I navigate to an openended question as staff$')
 def navigate_to_an_openended_question_as_staff(step):
     world.register_by_course_id('MITx/3.091x/2012_Fall', True)
-    world.log_in('robot@edx.org','test')
+    world.log_in('robot@edx.org', 'test')
     problem = '/courses/MITx/3.091x/2012_Fall/courseware/Week_10/Polymer_Synthesis/'
     world.browser.visit(django_url(problem))
     tab_css = 'ol#sequence-list > li > a[data-element="5"]'
     world.browser.find_by_css(tab_css).click()
 
+
 @step(u'I enter the answer "([^"]*)"$')
 def enter_the_answer_text(step, text):
     textarea_css = 'textarea'
     world.browser.find_by_css(textarea_css).first.fill(text)
 
+
 @step(u'I submit the answer "([^"]*)"$')
 def i_submit_the_answer_text(step, text):
     textarea_css = 'textarea'
@@ -34,53 +38,62 @@ def i_submit_the_answer_text(step, text):
     check_css = 'input.check'
     world.browser.find_by_css(check_css).click()
 
+
 @step('I click the link for full output$')
 def click_full_output_link(step):
     link_css = 'a.full'
     world.browser.find_by_css(link_css).first.click()
 
+
 @step(u'I visit the staff grading page$')
 def i_visit_the_staff_grading_page(step):
     # course_u = '/courses/MITx/3.091x/2012_Fall'
     # sg_url = '%s/staff_grading' % course_u
     world.browser.click_link_by_text('Instructor')
-    world.browser.click_link_by_text('Staff grading')    
+    world.browser.click_link_by_text('Staff grading')
     # world.browser.visit(django_url(sg_url))
 
+
 @step(u'I see the grader message "([^"]*)"$')
 def see_grader_message(step, msg):
     message_css = 'div.external-grader-message'
     grader_msg = world.browser.find_by_css(message_css).text
     assert_in(msg, grader_msg)
 
+
 @step(u'I see the grader status "([^"]*)"$')
 def see_the_grader_status(step, status):
     status_css = 'div.grader-status'
     grader_status = world.browser.find_by_css(status_css).text
     assert_equals(status, grader_status)
 
+
 @step('I see the red X$')
 def see_the_red_x(step):
     x_css = 'div.grader-status > span.incorrect'
     assert world.browser.find_by_css(x_css)
 
+
 @step(u'I see the grader score "([^"]*)"$')
 def see_the_grader_score(step, score):
     score_css = 'div.result-output > p'
     score_text = world.browser.find_by_css(score_css).text
     assert_equals(score_text, 'Score: %s' % score)
 
+
 @step('I see the link for full output$')
 def see_full_output_link(step):
     link_css = 'a.full'
     assert world.browser.find_by_css(link_css)
 
+
 @step('I see the spelling grading message "([^"]*)"$')
 def see_spelling_msg(step, msg):
     spelling_css = 'div.spelling'
-    spelling_msg = world.browser.find_by_css(spelling_css).text    
+    spelling_msg = world.browser.find_by_css(spelling_css).text
     assert_equals('Spelling: %s' % msg, spelling_msg)
 
+
 @step(u'my answer is queued for instructor grading$')
 def answer_is_queued_for_instructor_grading(step):
     list_css = 'ul.problem-list > li > a'
diff --git a/lms/djangoapps/courseware/features/smart-accordion.py b/lms/djangoapps/courseware/features/smart-accordion.py
index 95d3396f57..7c4770d632 100644
--- a/lms/djangoapps/courseware/features/smart-accordion.py
+++ b/lms/djangoapps/courseware/features/smart-accordion.py
@@ -7,6 +7,7 @@ from courses import *
 from logging import getLogger
 logger = getLogger(__name__)
 
+
 def check_for_errors():
     e = world.browser.find_by_css('.outside-app')
     if len(e) > 0:
@@ -14,6 +15,7 @@ def check_for_errors():
     else:
         assert True
 
+
 @step(u'I verify all the content of each course')
 def i_verify_all_the_content_of_each_course(step):
     all_possible_courses = get_courses()
@@ -34,11 +36,11 @@ def i_verify_all_the_content_of_each_course(step):
         check_for_errors()
 
         # Get the course. E.g. 'MITx/6.002x/2012_Fall'
-        current_course = sub('/info','', sub('.*/courses/', '', world.browser.url))
-        validate_course(current_course,ids)
+        current_course = sub('/info', '', sub('.*/courses/', '', world.browser.url))
+        validate_course(current_course, ids)
 
         world.browser.find_link_by_text('Courseware').click()
-        assert world.browser.is_element_present_by_id('accordion',wait_time=2)
+        assert world.browser.is_element_present_by_id('accordion', wait_time=2)
         check_for_errors()
         browse_course(current_course)
 
@@ -46,6 +48,7 @@ def i_verify_all_the_content_of_each_course(step):
         world.browser.find_by_css('.user-link').click()
         check_for_errors()
 
+
 def browse_course(course_id):
 
     ## count chapters from xml and page and compare
@@ -91,7 +94,7 @@ def browse_course(course_id):
             world.browser.find_by_css('#accordion > nav > div')[chapter_it].find_by_tag('li')[section_it].find_by_tag('a').click()
 
             ## sometimes the course-content takes a long time to load
-            assert world.browser.is_element_present_by_css('.course-content',wait_time=5)
+            assert world.browser.is_element_present_by_css('.course-content', wait_time=5)
 
             ## look for server error div
             check_for_errors()
@@ -108,7 +111,7 @@ def browse_course(course_id):
                 rendered_tabs = 0
                 num_rendered_tabs = 0
 
-            msg = ('%d tabs expected, %d tabs found, %s - %d - %s' % 
+            msg = ('%d tabs expected, %d tabs found, %s - %d - %s' %
                         (num_tabs, num_rendered_tabs, course_id, section_it, sections[section_it]['section_name']))
             #logger.debug(msg)
 
@@ -132,7 +135,7 @@ def browse_course(course_id):
                 tab_class = tabs[tab_it]['class']
                 if tab_children != 0:
                     rendered_items = world.browser.find_by_css('div#seq_content > section > ol > li > section')
-                    num_rendered_items = len(rendered_items)              
+                    num_rendered_items = len(rendered_items)
                     msg = ('%d items expected, %d items found, %s - %d - %s - tab %d' %
                         (tab_children, num_rendered_items, course_id, section_it, sections[section_it]['section_name'], tab_it))
                     #logger.debug(msg)
diff --git a/lms/djangoapps/courseware/grades.py b/lms/djangoapps/courseware/grades.py
index f532e6c530..62dd656fe1 100644
--- a/lms/djangoapps/courseware/grades.py
+++ b/lms/djangoapps/courseware/grades.py
@@ -18,15 +18,17 @@ from models import StudentModule
 
 log = logging.getLogger("mitx.courseware")
 
+
 def yield_module_descendents(module):
     stack = module.get_display_items()
     stack.reverse()
 
     while len(stack) > 0:
         next_module = stack.pop()
-        stack.extend( next_module.get_display_items() )
+        stack.extend(next_module.get_display_items())
         yield next_module
 
+
 def yield_dynamic_descriptor_descendents(descriptor, module_creator):
     """
     This returns all of the descendants of a descriptor. If the descriptor
@@ -39,15 +41,15 @@ def yield_dynamic_descriptor_descendents(descriptor, module_creator):
             return module.get_child_descriptors()
         else:
             return descriptor.get_children()
-    
-    
+
+
     stack = [descriptor]
 
     while len(stack) > 0:
         next_descriptor = stack.pop()
-        stack.extend( get_dynamic_descriptor_children(next_descriptor) )
+        stack.extend(get_dynamic_descriptor_children(next_descriptor))
         yield next_descriptor
-    
+
 
 def yield_problems(request, course, student):
     """
@@ -88,6 +90,7 @@ def yield_problems(request, course, student):
                 if isinstance(problem, CapaModule):
                     yield problem
 
+
 def answer_distributions(request, course):
     """
     Given a course_descriptor, compute frequencies of answers for each problem:
@@ -150,7 +153,7 @@ def grade(student, request, course, student_module_cache=None, keep_raw_scores=F
             section_name = section_descriptor.metadata.get('display_name')
 
             should_grade_section = False
-            # If we haven't seen a single problem in the section, we don't have to grade it at all! We can assume 0%  
+            # If we haven't seen a single problem in the section, we don't have to grade it at all! We can assume 0%
             for moduledescriptor in section['xmoduledescriptors']:
                 if student_module_cache.lookup(
                         course.id, moduledescriptor.category, moduledescriptor.location.url()):
@@ -159,20 +162,20 @@ def grade(student, request, course, student_module_cache=None, keep_raw_scores=F
 
             if should_grade_section:
                 scores = []
-                
+
                 def create_module(descriptor):
                     # TODO: We need the request to pass into here. If we could forgo that, our arguments
                     # would be simpler
-                    return get_module(student, request, descriptor.location, 
+                    return get_module(student, request, descriptor.location,
                                         student_module_cache, course.id)
-                                
+
                 for module_descriptor in yield_dynamic_descriptor_descendents(section_descriptor, create_module):
-                                                     
+
                     (correct, total) = get_score(course.id, student, module_descriptor, create_module, student_module_cache)
                     if correct is None and total is None:
                         continue
 
-                    if settings.GENERATE_PROFILE_SCORES:	# for debugging!
+                    if settings.GENERATE_PROFILE_SCORES:  	# for debugging!
                         if total > 1:
                             correct = random.randrange(max(total - 2, 1), total + 1)
                         else:
@@ -208,12 +211,13 @@ def grade(student, request, course, student_module_cache=None, keep_raw_scores=F
 
     letter_grade = grade_for_percentage(course.grade_cutoffs, grade_summary['percent'])
     grade_summary['grade'] = letter_grade
-    grade_summary['totaled_scores'] = totaled_scores	# make this available, eg for instructor download & debugging
+    grade_summary['totaled_scores'] = totaled_scores  	# make this available, eg for instructor download & debugging
     if keep_raw_scores:
         grade_summary['raw_scores'] = raw_scores        # way to get all RAW scores out to instructor
                                                         # so grader can be double-checked
     return grade_summary
 
+
 def grade_for_percentage(grade_cutoffs, percentage):
     """
     Returns a letter grade as defined in grading_policy (e.g. 'A' 'B' 'C' for 6.002x) or None.
@@ -225,7 +229,7 @@ def grade_for_percentage(grade_cutoffs, percentage):
     """
 
     letter_grade = None
-    
+
     # Possible grades, sorted in descending order of score
     descending_grades = sorted(grade_cutoffs, key=lambda x: grade_cutoffs[x], reverse=True)
     for possible_grade in descending_grades:
@@ -255,13 +259,13 @@ def progress_summary(student, request, course, student_module_cache):
         course: A Descriptor containing the course to grade
         student_module_cache: A StudentModuleCache initialized with all
              instance_modules for the student
-    
+
     If the student does not have access to load the course module, this function
     will return None.
-    
+
     """
-    
-    
+
+
     # TODO: We need the request to pass into here. If we could forgo that, our arguments
     # would be simpler
     course_module = get_module(student, request,
@@ -270,30 +274,30 @@ def progress_summary(student, request, course, student_module_cache):
     if not course_module:
         # This student must not have access to the course.
         return None
-    
+
     chapters = []
     # Don't include chapters that aren't displayable (e.g. due to error)
     for chapter_module in course_module.get_display_items():
         # Skip if the chapter is hidden
-        hidden = chapter_module.metadata.get('hide_from_toc','false')
+        hidden = chapter_module.metadata.get('hide_from_toc', 'false')
         if hidden.lower() == 'true':
             continue
-        
+
         sections = []
         for section_module in chapter_module.get_display_items():
             # Skip if the section is hidden
-            hidden = section_module.metadata.get('hide_from_toc','false')
+            hidden = section_module.metadata.get('hide_from_toc', 'false')
             if hidden.lower() == 'true':
                 continue
-            
+
             # Same for sections
             graded = section_module.metadata.get('graded', False)
             scores = []
-            
+
             module_creator = section_module.system.get_module
-            
+
             for module_descriptor in yield_dynamic_descriptor_descendents(section_module.descriptor, module_creator):
-                
+
                 course_id = course.id
                 (correct, total) = get_score(course_id, student, module_descriptor, module_creator, student_module_cache)
                 if correct is None and total is None:
diff --git a/lms/djangoapps/courseware/management/commands/clean_xml.py b/lms/djangoapps/courseware/management/commands/clean_xml.py
index 425dd156c1..1989361b85 100644
--- a/lms/djangoapps/courseware/management/commands/clean_xml.py
+++ b/lms/djangoapps/courseware/management/commands/clean_xml.py
@@ -12,6 +12,7 @@ from django.core.management.base import BaseCommand
 from xmodule.modulestore.xml import XMLModuleStore
 from xmodule.errortracker import make_error_tracker
 
+
 def traverse_tree(course):
     '''Load every descriptor in course.  Return bool success value.'''
     queue = [course]
diff --git a/lms/djangoapps/courseware/management/commands/metadata_to_json.py b/lms/djangoapps/courseware/management/commands/metadata_to_json.py
index 8ef0dee7b3..b80736f693 100644
--- a/lms/djangoapps/courseware/management/commands/metadata_to_json.py
+++ b/lms/djangoapps/courseware/management/commands/metadata_to_json.py
@@ -14,6 +14,7 @@ from django.core.management.base import BaseCommand
 from xmodule.modulestore.xml import XMLModuleStore
 from xmodule.x_module import policy_key
 
+
 def import_course(course_dir, verbose=True):
     course_dir = path(course_dir)
     data_dir = course_dir.dirname()
@@ -44,6 +45,7 @@ def import_course(course_dir, verbose=True):
 
     return course
 
+
 def node_metadata(node):
     # make a copy
     to_export = ('format', 'display_name',
@@ -55,6 +57,7 @@ def node_metadata(node):
     d = {k: orig[k] for k in to_export if k in orig}
     return d
 
+
 def get_metadata(course):
     d = OrderedDict({})
     queue = [course]
diff --git a/lms/djangoapps/courseware/migrations/0005_auto__add_offlinecomputedgrade__add_unique_offlinecomputedgrade_user_c.py b/lms/djangoapps/courseware/migrations/0005_auto__add_offlinecomputedgrade__add_unique_offlinecomputedgrade_user_c.py
index 674f97cec8..4c21d22937 100644
--- a/lms/djangoapps/courseware/migrations/0005_auto__add_offlinecomputedgrade__add_unique_offlinecomputedgrade_user_c.py
+++ b/lms/djangoapps/courseware/migrations/0005_auto__add_offlinecomputedgrade__add_unique_offlinecomputedgrade_user_c.py
@@ -114,4 +114,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['courseware']
\ No newline at end of file
+    complete_apps = ['courseware']
diff --git a/lms/djangoapps/courseware/models.py b/lms/djangoapps/courseware/models.py
index bd01318f63..ac9bde77cd 100644
--- a/lms/djangoapps/courseware/models.py
+++ b/lms/djangoapps/courseware/models.py
@@ -13,14 +13,8 @@ ASSUMPTIONS: modules have unique IDs, even across different module_types
 
 """
 from django.db import models
-#from django.core.cache import cache
 from django.contrib.auth.models import User
 
-#from cache_toolbox import cache_model, cache_relation
-
-#CACHE_TIMEOUT = 60 * 60 * 4 # Set the cache timeout to be four hours
-
-
 class StudentModule(models.Model):
     """
     Keeps student state for a particular module in a particular course.
@@ -30,6 +24,7 @@ class StudentModule(models.Model):
     MODULE_TYPES = (('problem', 'problem'),
                     ('video', 'video'),
                     ('html', 'html'),
+                    ('timelimit', 'timelimit'),
                     )
     ## These three are the key for the object
     module_type = models.CharField(max_length=32, choices=MODULE_TYPES, default='problem', db_index=True)
@@ -113,7 +108,7 @@ class StudentModuleCache(object):
                                          descriptor_filter=lambda descriptor: True,
                                          select_for_update=False):
         """
-        obtain and return cache for descriptor descendents (ie children) AND modules required by the descriptor, 
+        obtain and return cache for descriptor descendents (ie children) AND modules required by the descriptor,
         but which are not children of the module
 
         course_id: the course in the context of which we want StudentModules.
@@ -212,7 +207,7 @@ class OfflineComputedGradeLog(models.Model):
 
     course_id = models.CharField(max_length=255, db_index=True)
     created = models.DateTimeField(auto_now_add=True, null=True, db_index=True)
-    seconds = models.IntegerField(default=0)	# seconds elapsed for computation
+    seconds = models.IntegerField(default=0)  	# seconds elapsed for computation
     nstudents = models.IntegerField(default=0)
 
     def __unicode__(self):
diff --git a/lms/djangoapps/courseware/module_render.py b/lms/djangoapps/courseware/module_render.py
index b19796b357..ded84a971e 100644
--- a/lms/djangoapps/courseware/module_render.py
+++ b/lms/djangoapps/courseware/module_render.py
@@ -91,7 +91,7 @@ def toc_for_course(user, request, course, active_chapter, active_section):
 
     chapters = list()
     for chapter in course_module.get_display_items():
-        hide_from_toc = chapter.metadata.get('hide_from_toc','false').lower() == 'true'
+        hide_from_toc = chapter.metadata.get('hide_from_toc', 'false').lower() == 'true'
         if hide_from_toc:
             continue
 
@@ -166,6 +166,7 @@ def get_module_for_descriptor(user, request, descriptor, student_module_cache, c
     return _get_module(user, request, descriptor, student_module_cache, course_id,
                        position=position, wrap_xmodule_display=wrap_xmodule_display)
 
+
 def _get_module(user, request, descriptor, student_module_cache, course_id,
                 position=None, wrap_xmodule_display=True):
     """
@@ -287,7 +288,7 @@ def _get_module(user, request, descriptor, student_module_cache, course_id,
     module.get_html = replace_static_urls(
         _get_html,
         module.metadata.get('data_dir', ''),
-        course_namespace = module.location._replace(category=None, name=None))
+        course_namespace=module.location._replace(category=None, name=None))
 
     # Allow URLs of the form '/course/' refer to the root of multicourse directory
     #   hierarchy of this course
@@ -300,6 +301,8 @@ def _get_module(user, request, descriptor, student_module_cache, course_id,
     return module
 
 # TODO (vshnayder): Rename this?  It's very confusing.
+
+
 def get_instance_module(course_id, user, module, student_module_cache):
     """
     Returns the StudentModule specific to this module for this student,
@@ -329,6 +332,7 @@ def get_instance_module(course_id, user, module, student_module_cache):
     else:
         return None
 
+
 def get_shared_instance_module(course_id, user, module, student_module_cache):
     """
     Return shared_module is a StudentModule specific to all modules with the same
@@ -359,6 +363,7 @@ def get_shared_instance_module(course_id, user, module, student_module_cache):
     else:
         return None
 
+
 @csrf_exempt
 def xqueue_callback(request, course_id, userid, id, dispatch):
     '''
@@ -415,8 +420,8 @@ def xqueue_callback(request, course_id, userid, id, dispatch):
         instance_module.save()
 
         #Bin score into range and increment stats
-        score_bucket=get_score_bucket(instance_module.grade, instance_module.max_grade)
-        org, course_num, run=course_id.split("/")
+        score_bucket = get_score_bucket(instance_module.grade, instance_module.max_grade)
+        org, course_num, run = course_id.split("/")
         statsd.increment("lms.courseware.question_answered",
                         tags=["org:{0}".format(org),
                               "course:{0}".format(course_num),
@@ -456,9 +461,9 @@ def modx_dispatch(request, dispatch, location, course_id):
                 return HttpResponse(json.dumps({'success': too_many_files_msg}))
 
             for inputfile in inputfiles:
-                if inputfile.size > settings.STUDENT_FILEUPLOAD_MAX_SIZE: # Bytes
+                if inputfile.size > settings.STUDENT_FILEUPLOAD_MAX_SIZE:   # Bytes
                     file_too_big_msg = 'Submission aborted! Your file "%s" is too large (max size: %d MB)' %\
-                                        (inputfile.name, settings.STUDENT_FILEUPLOAD_MAX_SIZE/(1000**2))
+                                        (inputfile.name, settings.STUDENT_FILEUPLOAD_MAX_SIZE / (1000 ** 2))
                     return HttpResponse(json.dumps({'success': file_too_big_msg}))
             p[fileinput_id] = inputfiles
 
@@ -499,7 +504,7 @@ def modx_dispatch(request, dispatch, location, course_id):
     # Don't track state for anonymous users (who don't have student modules)
     if instance_module is not None:
         instance_module.state = instance.get_instance_state()
-        instance_module.max_grade=instance.max_score()
+        instance_module.max_grade = instance.max_score()
         if instance.get_score():
             instance_module.grade = instance.get_score()['score']
         if (instance_module.grade != oldgrade or
@@ -508,8 +513,8 @@ def modx_dispatch(request, dispatch, location, course_id):
             instance_module.save()
 
             #Bin score into range and increment stats
-            score_bucket=get_score_bucket(instance_module.grade, instance_module.max_grade)
-            org, course_num, run=course_id.split("/")
+            score_bucket = get_score_bucket(instance_module.grade, instance_module.max_grade)
+            org, course_num, run = course_id.split("/")
             statsd.increment("lms.courseware.question_answered",
                             tags=["org:{0}".format(org),
                                   "course:{0}".format(course_num),
@@ -526,6 +531,7 @@ def modx_dispatch(request, dispatch, location, course_id):
     # Return whatever the module wanted to return to the client/caller
     return HttpResponse(ajax_return)
 
+
 def preview_chemcalc(request):
     """
     Render an html preview of a chemical formula or equation.  The fact that
@@ -544,7 +550,7 @@ def preview_chemcalc(request):
         raise Http404
 
     result = {'preview': '',
-              'error': '' }
+              'error': ''}
     formula = request.GET.get('formula')
     if formula is None:
         result['error'] = "No formula specified."
@@ -563,17 +569,15 @@ def preview_chemcalc(request):
     return HttpResponse(json.dumps(result))
 
 
-def get_score_bucket(grade,max_grade):
+def get_score_bucket(grade, max_grade):
     """
     Function to split arbitrary score ranges into 3 buckets.
     Used with statsd tracking.
     """
-    score_bucket="incorrect"
-    if(grade>0 and grade<max_grade):
-        score_bucket="partial"
-    elif(grade==max_grade):
-        score_bucket="correct"
+    score_bucket = "incorrect"
+    if(grade > 0 and grade < max_grade):
+        score_bucket = "partial"
+    elif(grade == max_grade):
+        score_bucket = "correct"
 
     return score_bucket
-
-
diff --git a/lms/djangoapps/courseware/tabs.py b/lms/djangoapps/courseware/tabs.py
index 4f5a881d97..a47141b183 100644
--- a/lms/djangoapps/courseware/tabs.py
+++ b/lms/djangoapps/courseware/tabs.py
@@ -33,6 +33,7 @@ from open_ended_grading import open_ended_notifications
 
 log = logging.getLogger(__name__)
 
+
 class InvalidTabsException(Exception):
     """
     A complaint about invalid tabs.
@@ -41,6 +42,7 @@ class InvalidTabsException(Exception):
 
 CourseTabBase = namedtuple('CourseTab', 'name link is_active has_img img')
 
+
 def CourseTab(name, link, is_active, has_img=False, img=""):
     return CourseTabBase(name, link, is_active, has_img, img)
 
@@ -64,22 +66,26 @@ def _courseware(tab, user, course, active_page):
     link = reverse('courseware', args=[course.id])
     return [CourseTab('Courseware', link, active_page == "courseware")]
 
+
 def _course_info(tab, user, course, active_page):
     link = reverse('info', args=[course.id])
     return [CourseTab(tab['name'], link, active_page == "info")]
 
+
 def _progress(tab, user, course, active_page):
     if user.is_authenticated():
         link = reverse('progress', args=[course.id])
         return [CourseTab(tab['name'], link, active_page == "progress")]
     return []
 
+
 def _wiki(tab, user, course, active_page):
     if settings.WIKI_ENABLED:
         link = reverse('course_wiki', args=[course.id])
         return [CourseTab(tab['name'], link, active_page == 'wiki')]
     return []
 
+
 def _discussion(tab, user, course, active_page):
     """
     This tab format only supports the new Berkeley discussion forums.
@@ -87,17 +93,19 @@ def _discussion(tab, user, course, active_page):
     if settings.MITX_FEATURES.get('ENABLE_DISCUSSION_SERVICE'):
         link = reverse('django_comment_client.forum.views.forum_form_discussion',
                               args=[course.id])
-        return [CourseTab(tab['name'], link, active_page=='discussion')]
+        return [CourseTab(tab['name'], link, active_page == 'discussion')]
     return []
 
+
 def _external_link(tab, user, course, active_page):
     # external links are never active
     return [CourseTab(tab['name'], tab['link'], False)]
 
+
 def _static_tab(tab, user, course, active_page):
     link = reverse('static_tab', args=[course.id, tab['url_slug']])
     active_str = 'static_tab_{0}'.format(tab['url_slug'])
-    return [CourseTab(tab['name'], link, active_page==active_str)]
+    return [CourseTab(tab['name'], link, active_page == active_str)]
 
 
 def _textbooks(tab, user, course, active_page):
@@ -107,7 +115,7 @@ def _textbooks(tab, user, course, active_page):
     if user.is_authenticated() and settings.MITX_FEATURES.get('ENABLE_TEXTBOOK'):
         # since there can be more than one textbook, active_page is e.g. "book/0".
         return [CourseTab(textbook.title, reverse('book', args=[course.id, index]),
-                          active_page=="textbook/{0}".format(index))
+                          active_page == "textbook/{0}".format(index))
                 for index, textbook in enumerate(course.textbooks)]
     return []
 
@@ -126,6 +134,7 @@ def _staff_grading(tab, user, course, active_page):
         return tab
     return []
 
+
 def _peer_grading(tab, user, course, active_page):
 
     if user.is_authenticated():
@@ -140,6 +149,7 @@ def _peer_grading(tab, user, course, active_page):
         return tab
     return []
 
+
 def _combined_open_ended_grading(tab, user, course, active_page):
     if user.is_authenticated():
         link = reverse('open_ended_notifications', args=[course.id])
@@ -171,6 +181,7 @@ def key_checker(expected_keys):
 
 need_name = key_checker(['name'])
 
+
 def null_validator(d):
     """
     Don't check anything--use for tabs that don't need any params. (e.g. textbook)
@@ -235,7 +246,7 @@ def get_course_tabs(user, course, active_page):
     """
     Return the tabs to show a particular user, as a list of CourseTab items.
     """
-    if not hasattr(course,'tabs') or not course.tabs:
+    if not hasattr(course, 'tabs') or not course.tabs:
         return get_default_tabs(user, course, active_page)
 
     # TODO (vshnayder): There needs to be a place to call this right after course
@@ -269,7 +280,7 @@ def get_default_tabs(user, course, active_page):
 
     if hasattr(course, 'syllabus_present') and course.syllabus_present:
         link = reverse('syllabus', args=[course.id])
-        tabs.append(CourseTab('Syllabus', link, active_page=='syllabus'))
+        tabs.append(CourseTab('Syllabus', link, active_page == 'syllabus'))
 
     tabs.extend(_textbooks({}, user, course, active_page))
 
@@ -290,10 +301,11 @@ def get_default_tabs(user, course, active_page):
 
     if has_access(user, course, 'staff'):
         link = reverse('instructor_dashboard', args=[course.id])
-        tabs.append(CourseTab('Instructor', link, active_page=='instructor'))
+        tabs.append(CourseTab('Instructor', link, active_page == 'instructor'))
 
     return tabs
 
+
 def get_static_tab_by_slug(course, tab_slug):
     """
     Look for a tab with type 'static_tab' and the specified 'tab_slug'.  Returns
@@ -308,6 +320,7 @@ def get_static_tab_by_slug(course, tab_slug):
 
     return None
 
+
 def get_static_tab_contents(request, cache, course, tab):
 
     loc = Location(course.location.tag, course.location.org, course.location.course, 'static_tab', tab['url_slug'])
diff --git a/lms/djangoapps/courseware/tests/__init__.py b/lms/djangoapps/courseware/tests/__init__.py
index 8b13789179..e69de29bb2 100644
--- a/lms/djangoapps/courseware/tests/__init__.py
+++ b/lms/djangoapps/courseware/tests/__init__.py
@@ -1 +0,0 @@
-
diff --git a/lms/djangoapps/courseware/tests/factories.py b/lms/djangoapps/courseware/tests/factories.py
index 6950e28565..a84b2b8475 100644
--- a/lms/djangoapps/courseware/tests/factories.py
+++ b/lms/djangoapps/courseware/tests/factories.py
@@ -5,6 +5,7 @@ from django.contrib.auth.models import Group
 from datetime import datetime
 import uuid
 
+
 class UserProfileFactory(factory.Factory):
     FACTORY_FOR = UserProfile
 
@@ -12,12 +13,14 @@ class UserProfileFactory(factory.Factory):
     name = 'Robot Studio'
     courseware = 'course.xml'
 
+
 class RegistrationFactory(factory.Factory):
     FACTORY_FOR = Registration
 
     user = None
     activation_key = uuid.uuid4().hex
 
+
 class UserFactory(factory.Factory):
     FACTORY_FOR = User
 
@@ -32,11 +35,13 @@ class UserFactory(factory.Factory):
     last_login = datetime.now()
     date_joined = datetime.now()
 
+
 class GroupFactory(factory.Factory):
     FACTORY_FOR = Group
 
     name = 'test_group'
 
+
 class CourseEnrollmentAllowedFactory(factory.Factory):
     FACTORY_FOR = CourseEnrollmentAllowed
 
diff --git a/lms/djangoapps/courseware/tests/test_access.py b/lms/djangoapps/courseware/tests/test_access.py
index ed9335d382..c0b28e7803 100644
--- a/lms/djangoapps/courseware/tests/test_access.py
+++ b/lms/djangoapps/courseware/tests/test_access.py
@@ -3,10 +3,11 @@ import time
 from mock import Mock
 from django.test import TestCase
 
-from xmodule.modulestore import Location 
+from xmodule.modulestore import Location
 from factories import CourseEnrollmentAllowedFactory
 import courseware.access as access
 
+
 class AccessTestCase(TestCase):
     def test__has_global_staff_access(self):
         u = Mock(is_staff=False)
@@ -44,13 +45,13 @@ class AccessTestCase(TestCase):
         self.assertTrue(access._has_access_to_location(u, location,
                                                         'instructor', None))
 
-        # A user does not have staff access if they are 
+        # A user does not have staff access if they are
         # not in either the staff or the the instructor group
         g.name = 'student_only'
         self.assertFalse(access._has_access_to_location(u, location,
                                                         'staff', None))
 
-        # A user does not have instructor access if they are 
+        # A user does not have instructor access if they are
         # not in the instructor group
         g.name = 'student_only'
         self.assertFalse(access._has_access_to_location(u, location,
@@ -69,7 +70,7 @@ class AccessTestCase(TestCase):
         # TODO: override DISABLE_START_DATES and test the start date branch of the method
         u = Mock()
         d = Mock()
-        d.start = time.gmtime(time.time() - 86400) # make sure the start time is in the past
+        d.start = time.gmtime(time.time() - 86400)   # make sure the start time is in the past
 
         # Always returns true because DISABLE_START_DATES is set in test.py
         self.assertTrue(access._has_access_descriptor(u, d, 'load'))
@@ -105,5 +106,5 @@ class AccessTestCase(TestCase):
         c.metadata.get = 'is_public'
         self.assertTrue(access._has_access_course_desc(u, c, 'enroll'))
 
-        # TODO: 
+        # TODO:
         # Non-staff cannot enroll outside the open enrollment period if not specifically allowed
diff --git a/lms/djangoapps/courseware/tests/tests.py b/lms/djangoapps/courseware/tests/tests.py
index 6c41cbac14..fb6842d4a9 100644
--- a/lms/djangoapps/courseware/tests/tests.py
+++ b/lms/djangoapps/courseware/tests/tests.py
@@ -11,7 +11,7 @@ from django.test import TestCase
 from django.test.client import RequestFactory
 from django.conf import settings
 from django.core.urlresolvers import reverse
-from override_settings import override_settings
+from django.test.utils import override_settings
 
 import xmodule.modulestore.django
 from xmodule.modulestore.mongo import MongoModuleStore
@@ -31,6 +31,7 @@ from xmodule.modulestore.xml_importer import import_from_xml
 from xmodule.modulestore.xml import XMLModuleStore
 from xmodule.timeparse import stringify_time
 
+
 def parse_json(response):
     """Parse response, which is assumed to be json"""
     return json.loads(response.content)
@@ -49,6 +50,7 @@ def registration(email):
 # jump_to works with the xmlmodulestore or we have an even better solution
 # NOTE: this means this test requires mongo to be running.
 
+
 def mongo_store_config(data_dir):
     return {
     'default': {
@@ -64,6 +66,7 @@ def mongo_store_config(data_dir):
     }
 }
 
+
 def draft_mongo_store_config(data_dir):
     return {
     'default': {
@@ -79,6 +82,7 @@ def draft_mongo_store_config(data_dir):
     }
 }
 
+
 def xml_store_config(data_dir):
     return {
     'default': {
@@ -95,6 +99,7 @@ TEST_DATA_XML_MODULESTORE = xml_store_config(TEST_DATA_DIR)
 TEST_DATA_MONGO_MODULESTORE = mongo_store_config(TEST_DATA_DIR)
 TEST_DATA_DRAFT_MONGO_MODULESTORE = draft_mongo_store_config(TEST_DATA_DIR)
 
+
 class ActivateLoginTestCase(TestCase):
     '''Check that we can activate and log in'''
 
@@ -286,13 +291,13 @@ class PageLoader(ActivateLoginTestCase):
                     all_ok = False
                     num_bad += 1
             elif descriptor.location.category == 'static_tab':
-                resp = self.client.get(reverse('static_tab', kwargs={'course_id': course_id, 'tab_slug' : descriptor.location.name}))
+                resp = self.client.get(reverse('static_tab', kwargs={'course_id': course_id, 'tab_slug': descriptor.location.name}))
                 msg = str(resp.status_code)
 
                 if resp.status_code != 200:
                     msg = "ERROR " + msg
                     all_ok = False
-                    num_bad += 1    
+                    num_bad += 1
             elif descriptor.location.category == 'course_info':
                 resp = self.client.get(reverse('info', kwargs={'course_id': course_id}))
                 msg = str(resp.status_code)
@@ -300,7 +305,7 @@ class PageLoader(ActivateLoginTestCase):
                 if resp.status_code != 200:
                     msg = "ERROR " + msg
                     all_ok = False
-                    num_bad += 1  
+                    num_bad += 1
             elif descriptor.location.category == 'custom_tag_template':
                 pass
             else:
@@ -321,7 +326,7 @@ class PageLoader(ActivateLoginTestCase):
 
                 # check content to make sure there were no rendering failures
                 content = resp.content
-                if content.find("this module is temporarily unavailable")>=0:
+                if content.find("this module is temporarily unavailable") >= 0:
                     msg = "ERROR unavailable module "
                     all_ok = False
                     num_bad += 1
@@ -335,7 +340,7 @@ class PageLoader(ActivateLoginTestCase):
             self.assertTrue(all_ok)  # fail fast
 
         print "{0}/{1} good".format(n - num_bad, n)
-        log.info( "{0}/{1} good".format(n - num_bad, n))
+        log.info("{0}/{1} good".format(n - num_bad, n))
         self.assertTrue(all_ok)
 
 
@@ -347,7 +352,7 @@ class TestCoursesLoadTestCase_XmlModulestore(PageLoader):
     def setUp(self):
         ActivateLoginTestCase.setUp(self)
         xmodule.modulestore.django._MODULESTORES = {}
-        
+
     def test_toy_course_loads(self):
         module_store = XMLModuleStore(
                                       TEST_DATA_DIR,
@@ -376,7 +381,7 @@ class TestCoursesLoadTestCase_MongoModulestore(PageLoader):
         ActivateLoginTestCase.setUp(self)
         xmodule.modulestore.django._MODULESTORES = {}
         modulestore().collection.drop()
-        
+
     def test_toy_course_loads(self):
         module_store = modulestore()
         import_from_xml(module_store, TEST_DATA_DIR, ['toy'])
@@ -431,7 +436,7 @@ class TestNavigation(PageLoader):
         # Now we directly navigate to a section in a different chapter
         self.check_for_get_code(200, reverse('courseware_section',
                                              kwargs={'course_id': self.toy.id,
-                                                     'chapter':'secret:magic', 'section':'toyvideo'}))
+                                                     'chapter': 'secret:magic', 'section': 'toyvideo'}))
 
         # And now hitting the courseware tab should redirect to 'secret:magic'
         resp = self.client.get(reverse('courseware', kwargs={'course_id': self.toy.id}))
@@ -565,7 +570,7 @@ class TestViewAuth(PageLoader):
         """Actually do the test, relying on settings to be right."""
 
         # Make courses start in the future
-        tomorrow = time.time() + 24*3600
+        tomorrow = time.time() + 24 * 3600
         self.toy.metadata['start'] = stringify_time(time.gmtime(tomorrow))
         self.full.metadata['start'] = stringify_time(time.gmtime(tomorrow))
 
@@ -603,7 +608,7 @@ class TestViewAuth(PageLoader):
 
         def instructor_urls(course):
             """list of urls that only instructors/staff should be able to see"""
-            urls = reverse_urls(['instructor_dashboard','gradebook','grade_summary'],
+            urls = reverse_urls(['instructor_dashboard', 'gradebook', 'grade_summary'],
                                 course)
             return urls
 
@@ -770,7 +775,7 @@ class TestCourseGrader(PageLoader):
 
         def find_course(course_id):
             """Assumes the course is present"""
-            return [c for c in courses if c.id==course_id][0]
+            return [c for c in courses if c.id == course_id][0]
 
         self.graded_course = find_course("edX/graded/2012_Fall")
 
@@ -825,17 +830,17 @@ class TestCourseGrader(PageLoader):
 
         modx_url = reverse('modx_dispatch',
                             kwargs={
-                                'course_id' : self.graded_course.id,
-                                'location' : problem_location,
-                                'dispatch' : 'problem_check', }
+                                'course_id': self.graded_course.id,
+                                'location': problem_location,
+                                'dispatch': 'problem_check', }
                           )
 
         resp = self.client.post(modx_url, {
             'input_i4x-edX-graded-problem-{0}_2_1'.format(problem_url_name): responses[0],
             'input_i4x-edX-graded-problem-{0}_2_2'.format(problem_url_name): responses[1],
             })
-        print "modx_url" , modx_url, "responses" , responses
-        print "resp" , resp
+        print "modx_url", modx_url, "responses", responses
+        print "resp", resp
 
         return resp
 
@@ -847,9 +852,9 @@ class TestCourseGrader(PageLoader):
 
         modx_url = reverse('modx_dispatch',
                             kwargs={
-                                'course_id' : self.graded_course.id,
-                                'location' : problem_location,
-                                'dispatch' : 'problem_reset', }
+                                'course_id': self.graded_course.id,
+                                'location': problem_location,
+                                'dispatch': 'problem_reset', }
                           )
 
         resp = self.client.post(modx_url)
@@ -873,7 +878,7 @@ class TestCourseGrader(PageLoader):
         # Only get half of the first problem correct
         self.submit_question_answer('H1P1', ['Correct', 'Incorrect'])
         self.check_grade_percent(0.06)
-        self.assertEqual(earned_hw_scores(), [1.0, 0, 0]) # Order matters
+        self.assertEqual(earned_hw_scores(), [1.0, 0, 0])   # Order matters
         self.assertEqual(score_for_hw('Homework1'), [1.0, 0.0])
 
         # Get both parts of the first problem correct
@@ -905,14 +910,13 @@ class TestCourseGrader(PageLoader):
 
         # Third homework
         self.submit_question_answer('H3P1', ['Correct', 'Correct'])
-        self.check_grade_percent(0.42) # Score didn't change
+        self.check_grade_percent(0.42)   # Score didn't change
         self.assertEqual(earned_hw_scores(), [4.0, 4.0, 2.0])
 
         self.submit_question_answer('H3P2', ['Correct', 'Correct'])
-        self.check_grade_percent(0.5) # Now homework2 dropped. Score changes
+        self.check_grade_percent(0.5)   # Now homework2 dropped. Score changes
         self.assertEqual(earned_hw_scores(), [4.0, 4.0, 4.0])
 
         # Now we answer the final question (worth half of the grade)
         self.submit_question_answer('FinalQuestion', ['Correct', 'Correct'])
-        self.check_grade_percent(1.0) # Hooray! We got 100%
-
+        self.check_grade_percent(1.0)   # Hooray! We got 100%
diff --git a/lms/djangoapps/courseware/views.py b/lms/djangoapps/courseware/views.py
index 5d65d7c632..fb351e1c01 100644
--- a/lms/djangoapps/courseware/views.py
+++ b/lms/djangoapps/courseware/views.py
@@ -8,7 +8,7 @@ from django.core.context_processors import csrf
 from django.core.urlresolvers import reverse
 from django.contrib.auth.models import User
 from django.contrib.auth.decorators import login_required
-from django.http import Http404
+from django.http import Http404, HttpResponseRedirect
 from django.shortcuts import redirect
 from mitxmako.shortcuts import render_to_response, render_to_string
 #from django.views.decorators.csrf import ensure_csrf_cookie
@@ -20,7 +20,7 @@ from courseware.access import has_access
 from courseware.courses import (get_courses, get_course_with_access,
                                 get_courses_by_university, sort_by_announcement)
 import courseware.tabs as tabs
-from courseware.models import StudentModuleCache
+from courseware.models import StudentModule, StudentModuleCache
 from module_render import toc_for_course, get_module, get_instance_module, get_module_for_descriptor
 
 from django_comment_client.utils import get_discussion_title
@@ -137,6 +137,7 @@ def redirect_to_course_position(course_module, first_time):
                                                           'chapter': chapter.url_name,
                                                           'section': section.url_name}))
 
+
 def save_child_position(seq_module, child_name, instance_module):
     """
     child_name: url_name of the child
@@ -152,6 +153,76 @@ def save_child_position(seq_module, child_name, instance_module):
                 instance_module.state = seq_module.get_instance_state()
                 instance_module.save()
 
+def check_for_active_timelimit_module(request, course_id, course):
+    '''
+    Looks for a timing module for the given user and course that is currently active.
+    If found, returns a context dict with timer-related values to enable display of time remaining.
+    ''' 
+    context = {}
+    timelimit_student_modules = StudentModule.objects.filter(student=request.user, course_id=course_id, module_type='timelimit')
+    if timelimit_student_modules:
+        for timelimit_student_module in timelimit_student_modules: 
+            # get the corresponding section_descriptor for the given StudentModel entry:
+            module_state_key = timelimit_student_module.module_state_key
+            timelimit_descriptor = modulestore().get_instance(course_id, Location(module_state_key))
+            timelimit_module_cache = StudentModuleCache.cache_for_descriptor_descendents(course.id, request.user, 
+                                                                                     timelimit_descriptor, depth=None)
+            timelimit_module = get_module_for_descriptor(request.user, request, timelimit_descriptor, 
+                                                     timelimit_module_cache, course.id, position=None)
+            if timelimit_module is not None and timelimit_module.category == 'timelimit' and \
+                    timelimit_module.has_begun and not timelimit_module.has_ended:
+                location = timelimit_module.location
+                # determine where to go when the timer expires:
+                if 'time_expired_redirect_url' not in timelimit_descriptor.metadata:
+                    raise Http404("No {0} metadata at this location: {1} ".format('time_expired_redirect_url', location))
+                time_expired_redirect_url = timelimit_descriptor.metadata.get('time_expired_redirect_url')
+                context['time_expired_redirect_url'] = time_expired_redirect_url
+                # Fetch the remaining time relative to the end time as stored in the module when it was started.
+                # This value should be in milliseconds.
+                remaining_time = timelimit_module.get_remaining_time_in_ms()
+                context['timer_expiration_duration'] = remaining_time
+                if 'suppress_toplevel_navigation' in timelimit_descriptor.metadata:
+                    context['suppress_toplevel_navigation'] = timelimit_descriptor.metadata['suppress_toplevel_navigation']
+                return_url = reverse('jump_to', kwargs={'course_id':course_id, 'location':location})
+                context['timer_navigation_return_url'] = return_url
+    return context
+
+def update_timelimit_module(user, course_id, student_module_cache, timelimit_descriptor, timelimit_module):
+    '''
+    Updates the state of the provided timing module, starting it if it hasn't begun.
+    Returns dict with timer-related values to enable display of time remaining.
+    Returns 'timer_expiration_duration' in dict if timer is still active, and not if timer has expired.
+    ''' 
+    context = {}
+    # determine where to go when the exam ends:
+    if 'time_expired_redirect_url' not in timelimit_descriptor.metadata: 
+        raise Http404("No {0} metadata at this location: {1} ".format('time_expired_redirect_url', timelimit_module.location))
+    time_expired_redirect_url = timelimit_descriptor.metadata.get('time_expired_redirect_url')
+    context['time_expired_redirect_url'] = time_expired_redirect_url
+
+    if not timelimit_module.has_ended:
+        if not timelimit_module.has_begun:
+            # user has not started the exam, so start it now.
+            if 'duration' not in timelimit_descriptor.metadata:
+                raise Http404("No {0} metadata at this location: {1} ".format('duration', timelimit_module.location))
+            # The user may have an accommodation that has been granted to them.
+            # This accommodation information should already be stored in the module's state.
+            duration = int(timelimit_descriptor.metadata.get('duration'))
+            timelimit_module.begin(duration)
+            # we have changed state, so we need to persist the change:
+            instance_module = get_instance_module(course_id, user, timelimit_module, student_module_cache)
+            instance_module.state = timelimit_module.get_instance_state()
+            instance_module.save()
+            
+        # the exam has been started, either because the student is returning to the
+        # exam page, or because they have just visited it.  Fetch the remaining time relative to the
+        # end time as stored in the module when it was started.
+        context['timer_expiration_duration'] = timelimit_module.get_remaining_time_in_ms()
+        # also use the timed module to determine whether top-level navigation is visible:
+        if 'suppress_toplevel_navigation' in timelimit_descriptor.metadata:
+            context['suppress_toplevel_navigation'] = timelimit_descriptor.metadata['suppress_toplevel_navigation']
+    return context
+
 @login_required
 @ensure_csrf_cookie
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
@@ -184,7 +255,7 @@ def index(request, course_id, chapter=None, section=None,
     registered = registered_for_course(course, request.user)
     if not registered:
         # TODO (vshnayder): do course instructors need to be registered to see course?
-        log.debug('User %s tried to view course %s but is not enrolled' % (request.user,course.location.url()))
+        log.debug('User %s tried to view course %s but is not enrolled' % (request.user, course.location.url()))
         return redirect(reverse('about_course', args=[course.id]))
 
     try:
@@ -212,7 +283,7 @@ def index(request, course_id, chapter=None, section=None,
             'init': '',
             'content': '',
             'staff_access': staff_access,
-            'xqa_server': settings.MITX_FEATURES.get('USE_XQA_SERVER','http://xqa:server@content-qa.mitx.mit.edu/xqa')
+            'xqa_server': settings.MITX_FEATURES.get('USE_XQA_SERVER', 'http://xqa:server@content-qa.mitx.mit.edu/xqa')
             }
 
         chapter_descriptor = course.get_child_by(lambda m: m.url_name == chapter)
@@ -220,7 +291,7 @@ def index(request, course_id, chapter=None, section=None,
             instance_module = get_instance_module(course_id, request.user, course_module, student_module_cache)
             save_child_position(course_module, chapter, instance_module)
         else:
-            raise Http404
+            raise Http404('No chapter descriptor found with name {}'.format(chapter))
 
         chapter_module = course_module.get_child_by(lambda m: m.url_name == chapter)
         if chapter_module is None:
@@ -249,7 +320,20 @@ def index(request, course_id, chapter=None, section=None,
             instance_module = get_instance_module(course_id, request.user, chapter_module, student_module_cache)
             save_child_position(chapter_module, section, instance_module)
 
-
+            # check here if this section *is* a timed module.  
+            if section_module.category == 'timelimit':
+                timer_context = update_timelimit_module(request.user, course_id, student_module_cache, 
+                                                        section_descriptor, section_module)
+                if 'timer_expiration_duration' in timer_context:
+                    context.update(timer_context)
+                else:
+                    # if there is no expiration defined, then we know the timer has expired:
+                    return HttpResponseRedirect(timer_context['time_expired_redirect_url'])
+            else:
+                # check here if this page is within a course that has an active timed module running.  If so, then 
+                # add in the appropriate timer information to the rendering context:
+                context.update(check_for_active_timelimit_module(request, course_id, course))
+                
             context['content'] = section_module.get_html()
         else:
             # section is none, so display a message
@@ -288,7 +372,7 @@ def index(request, course_id, chapter=None, section=None,
             try:
                 result = render_to_response('courseware/courseware-error.html',
                                             {'staff_access': staff_access,
-                                            'course' : course})
+                                            'course': course})
             except:
                 # Let the exception propagate, relying on global config to at
                 # at least return a nice error message
@@ -297,6 +381,7 @@ def index(request, course_id, chapter=None, section=None,
 
     return result
 
+
 @ensure_csrf_cookie
 def jump_to(request, course_id, location):
     '''
@@ -333,6 +418,7 @@ def jump_to(request, course_id, location):
     else:
         return redirect('courseware_position', course_id=course_id, chapter=chapter, section=section, position=position)
 
+
 @ensure_csrf_cookie
 def course_info(request, course_id):
     """
@@ -343,9 +429,10 @@ def course_info(request, course_id):
     course = get_course_with_access(request.user, course_id, 'load')
     staff_access = has_access(request.user, course, 'staff')
 
-    return render_to_response('courseware/info.html', {'request' : request, 'course_id' : course_id, 'cache' : None, 
+    return render_to_response('courseware/info.html', {'request': request, 'course_id': course_id, 'cache': None,
             'course': course, 'staff_access': staff_access})
 
+
 @ensure_csrf_cookie
 def static_tab(request, course_id, tab_slug):
     """
@@ -368,9 +455,11 @@ def static_tab(request, course_id, tab_slug):
                               {'course': course,
                                'tab': tab,
                                'tab_contents': contents,
-                               'staff_access': staff_access,})
+                               'staff_access': staff_access, })
 
 # TODO arjun: remove when custom tabs in place, see courseware/syllabus.py
+
+
 @ensure_csrf_cookie
 def syllabus(request, course_id):
     """
@@ -382,7 +471,7 @@ def syllabus(request, course_id):
     staff_access = has_access(request.user, course, 'staff')
 
     return render_to_response('courseware/syllabus.html', {'course': course,
-                                            'staff_access': staff_access,})
+                                            'staff_access': staff_access, })
 
 
 def registered_for_course(course, user):
@@ -394,6 +483,7 @@ def registered_for_course(course, user):
     else:
         return False
 
+
 @ensure_csrf_cookie
 @cache_if_anonymous
 def course_about(request, course_id):
@@ -412,7 +502,7 @@ def course_about(request, course_id):
                               {'course': course,
                                'registered': registered,
                                'course_target': course_target,
-                               'show_courseware_link' : show_courseware_link})
+                               'show_courseware_link': show_courseware_link})
 
 
 @ensure_csrf_cookie
@@ -425,6 +515,7 @@ def static_university_profile(request, org_id):
     context = dict(courses=[], org_id=org_id)
     return render_to_response(template_file, context)
 
+
 @ensure_csrf_cookie
 @cache_if_anonymous
 def university_profile(request, org_id):
@@ -446,6 +537,7 @@ def university_profile(request, org_id):
 
     return render_to_response(template_file, context)
 
+
 def render_notifications(request, course, notifications):
     context = {
         'notifications': notifications,
@@ -454,6 +546,7 @@ def render_notifications(request, course, notifications):
     }
     return render_to_string('courseware/notifications.html', context)
 
+
 @login_required
 def news(request, course_id):
     course = get_course_with_access(request.user, course_id, 'load')
@@ -467,6 +560,7 @@ def news(request, course_id):
 
     return render_to_response('courseware/news.html', context)
 
+
 @login_required
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def progress(request, course_id, student_id=None):
diff --git a/lms/djangoapps/dashboard/views.py b/lms/djangoapps/dashboard/views.py
index 964b3fac4a..f5929f241b 100644
--- a/lms/djangoapps/dashboard/views.py
+++ b/lms/djangoapps/dashboard/views.py
@@ -3,6 +3,7 @@ import json
 from datetime import datetime
 from django.http import HttpResponse, Http404
 
+
 def dictfetchall(cursor):
     '''Returns all rows from a cursor as a dict.
     Borrowed from Django documentation'''
@@ -12,23 +13,24 @@ def dictfetchall(cursor):
         for row in cursor.fetchall()
     ]
 
+
 def dashboard(request):
     """
     Quick hack to show staff enrollment numbers.  This should be
     replaced with a real dashboard later. This version is a short-term
-    bandaid for the next couple weeks. 
+    bandaid for the next couple weeks.
     """
     if not request.user.is_staff:
         raise Http404
 
-    queries=[]
+    queries = []
     queries.append("select count(user_id) as students, course_id from student_courseenrollment group by course_id order by students desc;")
     queries.append("select count(distinct user_id) as unique_students from student_courseenrollment;")
     queries.append("select registrations, count(registrations) from (select count(user_id) as registrations from student_courseenrollment group by user_id) as registrations_per_user group by registrations;")
-    
+
     from django.db import connection
     cursor = connection.cursor()
-    results =[]
+    results = []
 
     for query in queries:
         cursor.execute(query)
diff --git a/lms/djangoapps/django_comment_client/base/urls.py b/lms/djangoapps/django_comment_client/base/urls.py
index 23f2afa037..d8fd4927fb 100644
--- a/lms/djangoapps/django_comment_client/base/urls.py
+++ b/lms/djangoapps/django_comment_client/base/urls.py
@@ -23,7 +23,7 @@ urlpatterns = patterns('django_comment_client.base.views',
     url(r'comments/(?P<comment_id>[\w\-]+)/upvote$', 'vote_for_comment', {'value': 'up'}, name='upvote_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/downvote$', 'vote_for_comment', {'value': 'down'}, name='downvote_comment'),
     url(r'comments/(?P<comment_id>[\w\-]+)/unvote$', 'undo_vote_for_comment', name='undo_vote_for_comment'),
-    
+
     url(r'^(?P<commentable_id>[\w\-.]+)/threads/create$', 'create_thread', name='create_thread'),
     # TODO should we search within the board?
     url(r'^(?P<commentable_id>[\w\-.]+)/threads/search_similar$', 'search_similar_threads', name='search_similar_threads'),
diff --git a/lms/djangoapps/django_comment_client/base/views.py b/lms/djangoapps/django_comment_client/base/views.py
index 777c7bafce..7ca00cb37c 100644
--- a/lms/djangoapps/django_comment_client/base/views.py
+++ b/lms/djangoapps/django_comment_client/base/views.py
@@ -30,6 +30,7 @@ from django_comment_client.models import Role
 
 log = logging.getLogger(__name__)
 
+
 def permitted(fn):
     @functools.wraps(fn)
     def wrapper(request, *args, **kwargs):
@@ -47,6 +48,7 @@ def permitted(fn):
             return JsonError("unauthorized", status=401)
     return wrapper
 
+
 def ajax_content_response(request, course_id, content, template_name):
     context = {
         'course_id': course_id,
@@ -82,11 +84,11 @@ def create_thread(request, course_id, commentable_id):
 
     thread = cc.Thread(**extract(post, ['body', 'title', 'tags']))
     thread.update_attributes(**{
-        'anonymous'          : anonymous,
-        'anonymous_to_peers' : anonymous_to_peers,
-        'commentable_id'     : commentable_id,
-        'course_id'          : course_id,
-        'user_id'            : request.user.id,
+        'anonymous': anonymous,
+        'anonymous_to_peers': anonymous_to_peers,
+        'commentable_id': commentable_id,
+        'course_id': course_id,
+        'user_id': request.user.id,
     })
 
 
@@ -118,6 +120,7 @@ def create_thread(request, course_id, commentable_id):
     else:
         return JsonResponse(utils.safe_content(data))
 
+
 @require_POST
 @login_required
 @permitted
@@ -130,6 +133,7 @@ def update_thread(request, course_id, thread_id):
     else:
         return JsonResponse(utils.safe_content(thread.to_dict()))
 
+
 def _create_comment(request, course_id, thread_id=None, parent_id=None):
     post = request.POST
     comment = cc.Comment(**extract(post, ['body']))
@@ -146,12 +150,12 @@ def _create_comment(request, course_id, thread_id=None, parent_id=None):
         anonymous_to_peers = False
 
     comment.update_attributes(**{
-        'anonymous'          : anonymous,
-        'anonymous_to_peers' : anonymous_to_peers,
-        'user_id'   : request.user.id,
-        'course_id' : course_id,
-        'thread_id' : thread_id,
-        'parent_id' : parent_id,
+        'anonymous': anonymous,
+        'anonymous_to_peers': anonymous_to_peers,
+        'user_id': request.user.id,
+        'course_id': course_id,
+        'thread_id': thread_id,
+        'parent_id': parent_id,
     })
     comment.save()
     if post.get('auto_subscribe', 'false').lower() == 'true':
@@ -162,6 +166,7 @@ def _create_comment(request, course_id, thread_id=None, parent_id=None):
     else:
         return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -171,6 +176,7 @@ def create_comment(request, course_id, thread_id):
             return JsonError("Comment level too deep")
     return _create_comment(request, course_id, thread_id=thread_id)
 
+
 @require_POST
 @login_required
 @permitted
@@ -179,6 +185,7 @@ def delete_thread(request, course_id, thread_id):
     thread.delete()
     return JsonResponse(utils.safe_content(thread.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -191,6 +198,7 @@ def update_comment(request, course_id, comment_id):
     else:
         return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -200,6 +208,7 @@ def endorse_comment(request, course_id, comment_id):
     comment.save()
     return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -213,6 +222,7 @@ def openclose_thread(request, course_id, thread_id):
         'ability': utils.get_ability(course_id, thread, request.user),
     })
 
+
 @require_POST
 @login_required
 @permitted
@@ -222,6 +232,7 @@ def create_sub_comment(request, course_id, comment_id):
             return JsonError("Comment level too deep")
     return _create_comment(request, course_id, parent_id=comment_id)
 
+
 @require_POST
 @login_required
 @permitted
@@ -230,6 +241,7 @@ def delete_comment(request, course_id, comment_id):
     comment.delete()
     return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -239,6 +251,7 @@ def vote_for_comment(request, course_id, comment_id, value):
     user.vote(comment, value)
     return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -248,6 +261,7 @@ def undo_vote_for_comment(request, course_id, comment_id):
     user.unvote(comment)
     return JsonResponse(utils.safe_content(comment.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -257,6 +271,7 @@ def vote_for_thread(request, course_id, thread_id, value):
     user.vote(thread, value)
     return JsonResponse(utils.safe_content(thread.to_dict()))
 
+
 @require_POST
 @login_required
 @permitted
@@ -276,6 +291,7 @@ def follow_thread(request, course_id, thread_id):
     user.follow(thread)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -285,6 +301,7 @@ def follow_commentable(request, course_id, commentable_id):
     user.follow(commentable)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -294,6 +311,7 @@ def follow_user(request, course_id, followed_user_id):
     user.follow(followed_user)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -303,6 +321,7 @@ def unfollow_thread(request, course_id, thread_id):
     user.unfollow(thread)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -312,6 +331,7 @@ def unfollow_commentable(request, course_id, commentable_id):
     user.unfollow(commentable)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -321,6 +341,7 @@ def unfollow_user(request, course_id, followed_user_id):
     user.unfollow(followed_user)
     return JsonResponse({})
 
+
 @require_POST
 @login_required
 @permitted
@@ -351,6 +372,7 @@ def update_moderator_status(request, course_id, user_id):
     else:
         return JsonResponse({})
 
+
 @require_GET
 def search_similar_threads(request, course_id, commentable_id):
     text = request.GET.get('text', None)
@@ -362,11 +384,12 @@ def search_similar_threads(request, course_id, commentable_id):
         threads = cc.search_similar_threads(course_id, recursive=False, query_params=query_params)
     else:
         theads = []
-    context = { 'threads': map(utils.extend_content, threads) }
+    context = {'threads': map(utils.extend_content, threads)}
     return JsonResponse({
         'html': render_to_string('discussion/_similar_posts.html', context)
     })
 
+
 @require_GET
 def tags_autocomplete(request, course_id):
     value = request.GET.get('q', None)
@@ -375,10 +398,11 @@ def tags_autocomplete(request, course_id):
         results = cc.tags_autocomplete(value)
     return JsonResponse(results)
 
+
 @require_POST
 @login_required
 @csrf.csrf_exempt
-def upload(request, course_id):#ajax upload file to a question or answer
+def upload(request, course_id):  # ajax upload file to a question or answer
     """view that handles file upload via Ajax
     """
 
@@ -409,7 +433,7 @@ def upload(request, course_id):#ajax upload file to a question or answer
                             time.time()
                         ).replace(
                             '.',
-                            str(random.randint(0,100000))
+                            str(random.randint(0, 100000))
                         ) + file_extension
 
         file_storage = get_storage_class()()
diff --git a/lms/djangoapps/django_comment_client/forum/views.py b/lms/djangoapps/django_comment_client/forum/views.py
index 2c1d3c68d5..70d9f40fcf 100644
--- a/lms/djangoapps/django_comment_client/forum/views.py
+++ b/lms/djangoapps/django_comment_client/forum/views.py
@@ -30,6 +30,7 @@ PAGES_NEARBY_DELTA = 2
 escapedict = {'"': '&quot;'}
 log = logging.getLogger("edx.discussions")
 
+
 def get_threads(request, course_id, discussion_id=None, per_page=THREADS_PER_PAGE):
     """
     This may raise cc.utils.CommentClientError or
@@ -78,6 +79,7 @@ def get_threads(request, course_id, discussion_id=None, per_page=THREADS_PER_PAG
 
     return threads, query_params
 
+
 def inline_discussion(request, course_id, discussion_id):
     """
     Renders JSON for DiscussionModules
@@ -111,6 +113,7 @@ def inline_discussion(request, course_id, discussion_id):
         'allow_anonymous': allow_anonymous,
     })
 
+
 @login_required
 def forum_form_discussion(request, course_id):
     """
@@ -136,7 +139,7 @@ def forum_form_discussion(request, course_id):
             thread.update(courseware_context)
     if request.is_ajax():
         return utils.JsonResponse({
-            'discussion_data': threads, # TODO: Standardize on 'discussion_data' vs 'threads'
+            'discussion_data': threads,   # TODO: Standardize on 'discussion_data' vs 'threads'
             'annotated_content_info': annotated_content_info,
             'num_pages': query_params['num_pages'],
             'page': query_params['page'],
@@ -157,11 +160,11 @@ def forum_form_discussion(request, course_id):
             'course': course,
             #'recent_active_threads': recent_active_threads,
             #'trending_tags': trending_tags,
-            'staff_access' : has_access(request.user, course, 'staff'),
-            'threads': saxutils.escape(json.dumps(threads),escapedict),
+            'staff_access': has_access(request.user, course, 'staff'),
+            'threads': saxutils.escape(json.dumps(threads), escapedict),
             'thread_pages': query_params['num_pages'],
-            'user_info': saxutils.escape(json.dumps(user_info),escapedict),
-            'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info),escapedict),
+            'user_info': saxutils.escape(json.dumps(user_info), escapedict),
+            'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
             'course_id': course.id,
             'category_map': category_map,
             'roles': saxutils.escape(json.dumps(utils.get_role_ids(course_id)), escapedict),
@@ -169,6 +172,7 @@ def forum_form_discussion(request, course_id):
         # print "start rendering.."
         return render_to_response('discussion/index.html', context)
 
+
 @login_required
 def single_thread(request, course_id, discussion_id, thread_id):
 
@@ -234,13 +238,13 @@ def single_thread(request, course_id, discussion_id, thread_id):
         context = {
             'discussion_id': discussion_id,
             'csrf': csrf(request)['csrf_token'],
-            'init': '', #TODO: What is this?
-            'user_info': saxutils.escape(json.dumps(user_info),escapedict),
+            'init': '',   # TODO: What is this?
+            'user_info': saxutils.escape(json.dumps(user_info), escapedict),
             'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
             'course': course,
             #'recent_active_threads': recent_active_threads,
             #'trending_tags': trending_tags,
-            'course_id': course.id, #TODO: Why pass both course and course.id to template?
+            'course_id': course.id,   # TODO: Why pass both course and course.id to template?
             'thread_id': thread_id,
             'threads': saxutils.escape(json.dumps(threads), escapedict),
             'category_map': category_map,
@@ -250,6 +254,7 @@ def single_thread(request, course_id, discussion_id, thread_id):
 
         return render_to_response('discussion/single_thread.html', context)
 
+
 @login_required
 def user_profile(request, course_id, user_id):
     #TODO: Allow sorting?
@@ -259,7 +264,7 @@ def user_profile(request, course_id, user_id):
 
         query_params = {
             'page': request.GET.get('page', 1),
-            'per_page': THREADS_PER_PAGE, # more than threads_per_page to show more activities
+            'per_page': THREADS_PER_PAGE,   # more than threads_per_page to show more activities
             }
 
         threads, page, num_pages = profiled_user.active_threads(query_params)
@@ -274,7 +279,7 @@ def user_profile(request, course_id, user_id):
                 'discussion_data': map(utils.safe_content, threads),
                 'page': query_params['page'],
                 'num_pages': query_params['num_pages'],
-                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info),escapedict),
+                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
             })
         else:
 
@@ -285,8 +290,8 @@ def user_profile(request, course_id, user_id):
                 'django_user': User.objects.get(id=user_id),
                 'profiled_user': profiled_user.to_dict(),
                 'threads': saxutils.escape(json.dumps(threads), escapedict),
-                'user_info': saxutils.escape(json.dumps(user_info),escapedict),
-                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info),escapedict),
+                'user_info': saxutils.escape(json.dumps(user_info), escapedict),
+                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
 #                'content': content,
             }
 
@@ -302,7 +307,7 @@ def followed_threads(request, course_id, user_id):
 
         query_params = {
             'page': request.GET.get('page', 1),
-            'per_page': THREADS_PER_PAGE, # more than threads_per_page to show more activities
+            'per_page': THREADS_PER_PAGE,   # more than threads_per_page to show more activities
             'sort_key': request.GET.get('sort_key', 'date'),
             'sort_order': request.GET.get('sort_order', 'desc'),
         }
@@ -328,8 +333,8 @@ def followed_threads(request, course_id, user_id):
                 'django_user': User.objects.get(id=user_id),
                 'profiled_user': profiled_user.to_dict(),
                 'threads': saxutils.escape(json.dumps(threads), escapedict),
-                'user_info': saxutils.escape(json.dumps(user_info),escapedict),
-                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info),escapedict),
+                'user_info': saxutils.escape(json.dumps(user_info), escapedict),
+                'annotated_content_info': saxutils.escape(json.dumps(annotated_content_info), escapedict),
                 #                'content': content,
             }
 
diff --git a/lms/djangoapps/django_comment_client/helpers.py b/lms/djangoapps/django_comment_client/helpers.py
index 0a1e8639ef..733856e2a9 100644
--- a/lms/djangoapps/django_comment_client/helpers.py
+++ b/lms/djangoapps/django_comment_client/helpers.py
@@ -15,12 +15,16 @@ import os
 # This method is used to pluralize the words "discussion" and "comment"
 # when referring to how many discussion threads or comments the user
 # has contributed to.
+
+
 def pluralize(singular_term, count):
     if int(count) >= 2 or int(count) == 0:
         return singular_term + 's'
     return singular_term
 
 # TODO there should be a better way to handle this
+
+
 def include_mustache_templates():
     mustache_dir = settings.PROJECT_ROOT / 'templates' / 'discussion' / 'mustache'
     valid_file_name = lambda file_name: file_name.endswith('.mustache')
@@ -31,6 +35,7 @@ def include_mustache_templates():
     file_contents = map(read_file, filter(valid_file_name, os.listdir(mustache_dir)))
     return '\n'.join(map(wrap_in_tag, map(strip_file_name, file_contents)))
 
+
 def render_content(content, additional_context={}):
 
     context = {
diff --git a/lms/djangoapps/django_comment_client/management/commands/assign_roles_for_course.py b/lms/djangoapps/django_comment_client/management/commands/assign_roles_for_course.py
index 82f2290bc7..304907cdae 100644
--- a/lms/djangoapps/django_comment_client/management/commands/assign_roles_for_course.py
+++ b/lms/djangoapps/django_comment_client/management/commands/assign_roles_for_course.py
@@ -8,6 +8,7 @@ from django.core.management.base import BaseCommand, CommandError
 
 from student.models import CourseEnrollment, assign_default_role
 
+
 class Command(BaseCommand):
     args = 'course_id'
     help = 'Add roles for all users in a course'
diff --git a/lms/djangoapps/django_comment_client/management/commands/create_roles_for_existing.py b/lms/djangoapps/django_comment_client/management/commands/create_roles_for_existing.py
index d1244a6690..638d59f5fe 100644
--- a/lms/djangoapps/django_comment_client/management/commands/create_roles_for_existing.py
+++ b/lms/djangoapps/django_comment_client/management/commands/create_roles_for_existing.py
@@ -8,6 +8,7 @@ from django.core.management.base import BaseCommand, CommandError
 
 from student.models import CourseEnrollment, assign_default_role
 
+
 class Command(BaseCommand):
     args = 'course_id'
     help = 'Seed default permisssions and roles'
diff --git a/lms/djangoapps/django_comment_client/management/commands/seed_permissions_roles.py b/lms/djangoapps/django_comment_client/management/commands/seed_permissions_roles.py
index 958b67cdb3..6a31e73af3 100644
--- a/lms/djangoapps/django_comment_client/management/commands/seed_permissions_roles.py
+++ b/lms/djangoapps/django_comment_client/management/commands/seed_permissions_roles.py
@@ -18,7 +18,7 @@ class Command(BaseCommand):
         student_role = Role.objects.get_or_create(name="Student", course_id=course_id)[0]
 
         for per in ["vote", "update_thread", "follow_thread", "unfollow_thread",
-                       "update_comment", "create_sub_comment", "unvote" , "create_thread",
+                       "update_comment", "create_sub_comment", "unvote", "create_thread",
                        "follow_commentable", "unfollow_commentable", "create_comment", ]:
             student_role.add_permission(per)
 
diff --git a/lms/djangoapps/django_comment_client/middleware.py b/lms/djangoapps/django_comment_client/middleware.py
index 08e20b0296..abf2d40cab 100644
--- a/lms/djangoapps/django_comment_client/middleware.py
+++ b/lms/djangoapps/django_comment_client/middleware.py
@@ -2,7 +2,8 @@ from comment_client import CommentClientError
 from django_comment_client.utils import JsonError
 import json
 
-class AjaxExceptionMiddleware(object): 
+
+class AjaxExceptionMiddleware(object):
     def process_exception(self, request, exception):
         if isinstance(exception, CommentClientError) and request.is_ajax():
             return JsonError(json.loads(exception.message))
diff --git a/lms/djangoapps/django_comment_client/migrations/0001_initial.py b/lms/djangoapps/django_comment_client/migrations/0001_initial.py
index 4993984d74..0b5f88e2f2 100644
--- a/lms/djangoapps/django_comment_client/migrations/0001_initial.py
+++ b/lms/djangoapps/django_comment_client/migrations/0001_initial.py
@@ -129,4 +129,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['django_comment_client']
\ No newline at end of file
+    complete_apps = ['django_comment_client']
diff --git a/lms/djangoapps/django_comment_client/models.py b/lms/djangoapps/django_comment_client/models.py
index 10c05c75e9..023b355a29 100644
--- a/lms/djangoapps/django_comment_client/models.py
+++ b/lms/djangoapps/django_comment_client/models.py
@@ -35,7 +35,7 @@ class Role(models.Model):
     def __unicode__(self):
         return self.name + " for " + (self.course_id if self.course_id else "all courses")
 
-    def inherit_permissions(self, role): # TODO the name of this method is a little bit confusing,
+    def inherit_permissions(self, role):   # TODO the name of this method is a little bit confusing,
                                          # since it's one-off and doesn't handle inheritance later
         if role.course_id and role.course_id != self.course_id:
             logging.warning("{0} cannot inherit permissions from {1} due to course_id inconsistency", \
@@ -52,7 +52,7 @@ class Role(models.Model):
            (permission.startswith('edit') or permission.startswith('update') or permission.startswith('create')) and \
            (not course.forum_posts_allowed):
             return False
-        
+
         return self.permissions.filter(name=permission).exists()
 
 
diff --git a/lms/djangoapps/django_comment_client/mustache_helpers.py b/lms/djangoapps/django_comment_client/mustache_helpers.py
index 9756294696..5743dba9cb 100644
--- a/lms/djangoapps/django_comment_client/mustache_helpers.py
+++ b/lms/djangoapps/django_comment_client/mustache_helpers.py
@@ -7,6 +7,8 @@ import inspect
 
 # This method is used to pluralize the words "discussion" and "comment"
 # which is why you need to tack on an "s" for the case of 0 or two or more.
+
+
 def pluralize(content, text):
     num, word = text.split(' ')
     num = int(num or '0')
@@ -15,12 +17,15 @@ def pluralize(content, text):
     else:
         return word
 
+
 def url_for_user(content, user_id):
     return urlresolvers.reverse('django_comment_client.forum.views.user_profile', args=[content['course_id'], user_id])
 
-def url_for_tags(content, tags): # assume that attribute 'tags' is in the format u'a, b, c'
+
+def url_for_tags(content, tags):   # assume that attribute 'tags' is in the format u'a, b, c'
     return _url_for_tags(content['course_id'], tags)
 
+
 def close_thread_text(content):
     if content.get('closed'):
         return 'Re-open thread'
diff --git a/lms/djangoapps/django_comment_client/permissions.py b/lms/djangoapps/django_comment_client/permissions.py
index b95a890dda..dfdcd3e7ba 100644
--- a/lms/djangoapps/django_comment_client/permissions.py
+++ b/lms/djangoapps/django_comment_client/permissions.py
@@ -8,6 +8,7 @@ from util.cache import cache
 from django.core import cache
 cache = cache.get_cache('default')
 
+
 def cached_has_permission(user, permission, course_id=None):
     """
     Call has_permission if it's not cached. A change in a user's role or
@@ -21,6 +22,7 @@ def cached_has_permission(user, permission, course_id=None):
         cache.set(key, val, CACHE_LIFESPAN)
     return val
 
+
 def has_permission(user, permission, course_id=None):
     for role in user.roles.filter(course_id=course_id):
         if role.has_permission(permission):
@@ -29,6 +31,8 @@ def has_permission(user, permission, course_id=None):
 
 
 CONDITIONS = ['is_open', 'is_author']
+
+
 def check_condition(user, condition, course_id, data):
     def check_open(user, condition, course_id, data):
         try:
@@ -43,8 +47,8 @@ def check_condition(user, condition, course_id, data):
             return False
 
     handlers = {
-        'is_open'      : check_open,
-        'is_author'    : check_author,
+        'is_open': check_open,
+        'is_author': check_author,
     }
 
     return handlers[condition](user, condition, course_id, data)
@@ -93,7 +97,7 @@ VIEW_PERMISSIONS = {
     'unfollow_commentable':     ['unfollow_commentable'],
     'unfollow_user'     :       ['unfollow_user'],
     'create_thread'     :       ['create_thread'],
-    'update_moderator_status' : ['manage_moderator'],
+    'update_moderator_status': ['manage_moderator'],
 }
 
 
diff --git a/lms/djangoapps/django_comment_client/settings.py b/lms/djangoapps/django_comment_client/settings.py
index 3234c32478..b9a8d18081 100644
--- a/lms/djangoapps/django_comment_client/settings.py
+++ b/lms/djangoapps/django_comment_client/settings.py
@@ -1,7 +1,7 @@
 from django.conf import settings
 
 MAX_COMMENT_DEPTH = None
-MAX_UPLOAD_FILE_SIZE = 1024 * 1024 #result in bytes
+MAX_UPLOAD_FILE_SIZE = 1024 * 1024   # result in bytes
 ALLOWED_UPLOAD_FILE_TYPES = ('.jpg', '.jpeg', '.gif', '.bmp', '.png', '.tiff')
 
 if hasattr(settings, 'DISCUSSION_SETTINGS'):
diff --git a/lms/djangoapps/django_comment_client/tests.py b/lms/djangoapps/django_comment_client/tests.py
index ac059a1e3f..4b5fe2ba5a 100644
--- a/lms/djangoapps/django_comment_client/tests.py
+++ b/lms/djangoapps/django_comment_client/tests.py
@@ -6,7 +6,7 @@ from django.conf import settings
 
 from mock import Mock
 
-from override_settings import override_settings
+from django.test.utils import override_settings
 
 import xmodule.modulestore.django
 
diff --git a/lms/djangoapps/django_comment_client/tests/test_helpers.py b/lms/djangoapps/django_comment_client/tests/test_helpers.py
index bd67830841..e2c074231f 100644
--- a/lms/djangoapps/django_comment_client/tests/test_helpers.py
+++ b/lms/djangoapps/django_comment_client/tests/test_helpers.py
@@ -2,10 +2,11 @@ import string
 import random
 import collections
 
-from django.test import TestCase                         
+from django.test import TestCase
 
 from django_comment_client.helpers import pluralize
 
+
 class PluralizeTestCase(TestCase):
 
     def testPluralize(self):
diff --git a/lms/djangoapps/django_comment_client/tests/test_middleware.py b/lms/djangoapps/django_comment_client/tests/test_middleware.py
index e3249551b3..55e4c72c75 100644
--- a/lms/djangoapps/django_comment_client/tests/test_middleware.py
+++ b/lms/djangoapps/django_comment_client/tests/test_middleware.py
@@ -2,27 +2,28 @@ import string
 import random
 import collections
 
-from django.test import TestCase                         
+from django.test import TestCase
 
 import comment_client
 import django.http
 import django_comment_client.middleware as middleware
 
+
 class AjaxExceptionTestCase(TestCase):
 
-# TODO: check whether the correct error message is produced. 
+# TODO: check whether the correct error message is produced.
 # The error message should be the same as the argument to CommentClientError
-	def setUp(self):
-		self.a = middleware.AjaxExceptionMiddleware()
-		self.request1 = django.http.HttpRequest()
-		self.request0 = django.http.HttpRequest()
-		self.exception1 = comment_client.CommentClientError('{}')
-		self.exception0 = ValueError()
-		self.request1.META['HTTP_X_REQUESTED_WITH'] = "XMLHttpRequest"
-		self.request0.META['HTTP_X_REQUESTED_WITH'] = "SHADOWFAX"
-		
-	def test_process_exception(self):
-		self.assertIsInstance(self.a.process_exception(self.request1, self.exception1), middleware.JsonError)
-		self.assertIsNone(self.a.process_exception(self.request1, self.exception0))
-		self.assertIsNone(self.a.process_exception(self.request0, self.exception1))
-		self.assertIsNone(self.a.process_exception(self.request0, self.exception0))
+        def setUp(self):
+                self.a = middleware.AjaxExceptionMiddleware()
+                self.request1 = django.http.HttpRequest()
+                self.request0 = django.http.HttpRequest()
+                self.exception1 = comment_client.CommentClientError('{}')
+                self.exception0 = ValueError()
+                self.request1.META['HTTP_X_REQUESTED_WITH'] = "XMLHttpRequest"
+                self.request0.META['HTTP_X_REQUESTED_WITH'] = "SHADOWFAX"
+
+        def test_process_exception(self):
+                self.assertIsInstance(self.a.process_exception(self.request1, self.exception1), middleware.JsonError)
+                self.assertIsNone(self.a.process_exception(self.request1, self.exception0))
+                self.assertIsNone(self.a.process_exception(self.request0, self.exception1))
+                self.assertIsNone(self.a.process_exception(self.request0, self.exception0))
diff --git a/lms/djangoapps/django_comment_client/tests/test_mustache_helpers.py b/lms/djangoapps/django_comment_client/tests/test_mustache_helpers.py
index 8638aba67e..5b788b3cc4 100644
--- a/lms/djangoapps/django_comment_client/tests/test_mustache_helpers.py
+++ b/lms/djangoapps/django_comment_client/tests/test_mustache_helpers.py
@@ -2,25 +2,27 @@ import string
 import random
 import collections
 
-from django.test import TestCase                         
+from django.test import TestCase
 
 import django_comment_client.mustache_helpers as mustache_helpers
 
+
 class PluralizeTestCase(TestCase):
 
-	def test_pluralize(self):
-		self.text1 = '0 goat'
-		self.text2 = '1 goat'
-		self.text3 = '7 goat'
-		self.content = 'unused argument'
-		self.assertEqual(mustache_helpers.pluralize(self.content, self.text1), 'goats')
-		self.assertEqual(mustache_helpers.pluralize(self.content, self.text2), 'goat')
-		self.assertEqual(mustache_helpers.pluralize(self.content, self.text3), 'goats')
+        def test_pluralize(self):
+                self.text1 = '0 goat'
+                self.text2 = '1 goat'
+                self.text3 = '7 goat'
+                self.content = 'unused argument'
+                self.assertEqual(mustache_helpers.pluralize(self.content, self.text1), 'goats')
+                self.assertEqual(mustache_helpers.pluralize(self.content, self.text2), 'goat')
+                self.assertEqual(mustache_helpers.pluralize(self.content, self.text3), 'goats')
+
 
 class CloseThreadTextTestCase(TestCase):
-	
-	def test_close_thread_text(self):
-		self.contentClosed = {'closed': True}
-		self.contentOpen = {'closed': False}
-		self.assertEqual(mustache_helpers.close_thread_text(self.contentClosed), 'Re-open thread')
-		self.assertEqual(mustache_helpers.close_thread_text(self.contentOpen), 'Close thread')
+
+        def test_close_thread_text(self):
+                self.contentClosed = {'closed': True}
+                self.contentOpen = {'closed': False}
+                self.assertEqual(mustache_helpers.close_thread_text(self.contentClosed), 'Re-open thread')
+                self.assertEqual(mustache_helpers.close_thread_text(self.contentOpen), 'Close thread')
diff --git a/lms/djangoapps/django_comment_client/tests/test_utils.py b/lms/djangoapps/django_comment_client/tests/test_utils.py
index 2e24cbd837..cec006e630 100644
--- a/lms/djangoapps/django_comment_client/tests/test_utils.py
+++ b/lms/djangoapps/django_comment_client/tests/test_utils.py
@@ -2,7 +2,7 @@ import string
 import random
 import collections
 
-from django.test import TestCase                         
+from django.test import TestCase
 
 import factory
 from django.contrib.auth.models import User
@@ -14,6 +14,7 @@ import django_comment_client.utils as utils
 
 import xmodule.modulestore.django as django
 
+
 class UserFactory(factory.Factory):
     FACTORY_FOR = User
     username = 'robot'
@@ -22,20 +23,24 @@ class UserFactory(factory.Factory):
     is_active = True
     is_staff = False
 
+
 class CourseEnrollmentFactory(factory.Factory):
-    FACTORY_FOR = CourseEnrollment  
+    FACTORY_FOR = CourseEnrollment
     user = factory.SubFactory(UserFactory)
     course_id = 'edX/toy/2012_Fall'
 
+
 class RoleFactory(factory.Factory):
     FACTORY_FOR = Role
     name = 'Student'
     course_id = 'edX/toy/2012_Fall'
 
+
 class PermissionFactory(factory.Factory):
-    FACTORY_FOR = Permission  
+    FACTORY_FOR = Permission
     name = 'create_comment'
 
+
 class DictionaryTestCase(TestCase):
     def test_extract(self):
         d = {'cats': 'meow', 'dogs': 'woof'}
@@ -54,11 +59,12 @@ class DictionaryTestCase(TestCase):
         self.assertEqual(utils.strip_blank(d), expected)
 
     def test_merge_dict(self):
-        d1 ={'cats': 'meow', 'dogs': 'woof'}
-        d2 ={'lions': 'roar','ducks': 'quack'}
-        expected ={'cats': 'meow', 'dogs': 'woof','lions': 'roar','ducks': 'quack'}
+        d1 = {'cats': 'meow', 'dogs': 'woof'}
+        d2 = {'lions': 'roar', 'ducks': 'quack'}
+        expected = {'cats': 'meow', 'dogs': 'woof', 'lions': 'roar', 'ducks': 'quack'}
         self.assertEqual(utils.merge_dict(d1, d2), expected)
 
+
 class AccessUtilsTestCase(TestCase):
     def setUp(self):
         self.course_id = 'edX/toy/2012_Fall'
diff --git a/lms/djangoapps/django_comment_client/utils.py b/lms/djangoapps/django_comment_client/utils.py
index b58e3b30e6..877c730539 100644
--- a/lms/djangoapps/django_comment_client/utils.py
+++ b/lms/djangoapps/django_comment_client/utils.py
@@ -11,6 +11,8 @@ from django.http import HttpResponse
 from django.utils import simplejson
 from django_comment_client.models import Role
 from django_comment_client.permissions import check_permissions_by_view
+from xmodule.modulestore.exceptions import NoPathToItem
+
 from mitxmako import middleware
 import pystache_custom as pystache
 
@@ -24,21 +26,27 @@ log = logging.getLogger(__name__)
 _FULLMODULES = None
 _DISCUSSIONINFO = defaultdict(dict)
 
+
 def extract(dic, keys):
     return {k: dic.get(k) for k in keys}
 
+
 def strip_none(dic):
     return dict([(k, v) for k, v in dic.iteritems() if v is not None])
 
+
 def strip_blank(dic):
     def _is_blank(v):
         return isinstance(v, str) and len(v.strip()) == 0
     return dict([(k, v) for k, v in dic.iteritems() if not _is_blank(v)])
 
 # TODO should we be checking if d1 and d2 have the same keys with different values?
+
+
 def merge_dict(dic1, dic2):
     return dict(dic1.items() + dic2.items())
 
+
 def get_role_ids(course_id):
     roles = Role.objects.filter(course_id=course_id)
     staff = list(User.objects.filter(is_staff=True).values_list('id', flat=True))
@@ -47,6 +55,7 @@ def get_role_ids(course_id):
         roles_with_ids[role.name] = list(role.users.values_list('id', flat=True))
     return roles_with_ids
 
+
 def has_forum_access(uname, course_id, rolename):
     try:
         role = Role.objects.get(name=rolename, course_id=course_id)
@@ -54,12 +63,14 @@ def has_forum_access(uname, course_id, rolename):
         return False
     return role.users.filter(username=uname).exists()
 
+
 def get_full_modules():
     global _FULLMODULES
     if not _FULLMODULES:
         _FULLMODULES = modulestore().modules
     return _FULLMODULES
 
+
 def get_discussion_id_map(course):
     """
         return a dict of the form {category: modules}
@@ -68,18 +79,21 @@ def get_discussion_id_map(course):
     initialize_discussion_info(course)
     return _DISCUSSIONINFO[course.id]['id_map']
 
+
 def get_discussion_title(course, discussion_id):
     global _DISCUSSIONINFO
     initialize_discussion_info(course)
     title = _DISCUSSIONINFO[course.id]['id_map'].get(discussion_id, {}).get('title', '(no title)')
     return title
 
+
 def get_discussion_category_map(course):
 
     global _DISCUSSIONINFO
     initialize_discussion_info(course)
     return filter_unstarted_categories(_DISCUSSIONINFO[course.id]['category_map'])
 
+
 def filter_unstarted_categories(category_map):
 
     now = time.gmtime()
@@ -117,6 +131,7 @@ def filter_unstarted_categories(category_map):
 
     return result_map
 
+
 def sort_map_entries(category_map):
     things = []
     for title, entry in category_map["entries"].items():
@@ -151,6 +166,7 @@ def initialize_discussion_info(course):
     # get all discussion models within this course_id
     all_modules = modulestore().get_items(['i4x', course.location.org, course.location.course, 'discussion', None], course_id=course_id)
 
+    path_to_locations = {}
     for module in all_modules:
         skip_module = False
         for key in ('id', 'discussion_category', 'for'):
@@ -158,6 +174,14 @@ def initialize_discussion_info(course):
                 log.warning("Required key '%s' not in discussion %s, leaving out of category map" % (key, module.location))
                 skip_module = True
 
+        # cdodge: pre-compute the path_to_location. Note this can throw an exception for any
+        # dangling discussion modules
+        try:
+            path_to_locations[module.location] = path_to_location(modulestore(), course.id, module.location)
+        except NoPathToItem:
+            log.warning("Could not compute path_to_location for {0}. Perhaps this is an orphaned discussion module?!? Skipping...".format(module.location))
+            skip_module = True
+
         if skip_module:
             continue
 
@@ -211,7 +235,7 @@ def initialize_discussion_info(course):
     # TODO.  BUG! : course location is not unique across multiple course runs!
     # (I think Kevin already noticed this)  Need to send course_id with requests, store it
     # in the backend.
-    default_topics = {'General': {'id' :course.location.html_id()}}
+    default_topics = {'General': {'id': course.location.html_id()}}
     discussion_topics = course.metadata.get('discussion_topics', default_topics)
     for topic, entry in discussion_topics.items():
         category_map['entries'][topic] = {"id": entry["id"],
@@ -222,6 +246,8 @@ def initialize_discussion_info(course):
     _DISCUSSIONINFO[course.id]['id_map'] = discussion_id_map
     _DISCUSSIONINFO[course.id]['category_map'] = category_map
     _DISCUSSIONINFO[course.id]['timestamp'] = datetime.now()
+    _DISCUSSIONINFO[course.id]['path_to_location'] = path_to_locations
+
 
 class JsonResponse(HttpResponse):
     def __init__(self, data=None):
@@ -229,6 +255,7 @@ class JsonResponse(HttpResponse):
         super(JsonResponse, self).__init__(content,
                                            mimetype='application/json; charset=utf-8')
 
+
 class JsonError(HttpResponse):
     def __init__(self, error_messages=[], status=400):
         if isinstance(error_messages, str):
@@ -239,14 +266,17 @@ class JsonError(HttpResponse):
         super(JsonError, self).__init__(content,
                                         mimetype='application/json; charset=utf-8', status=status)
 
+
 class HtmlResponse(HttpResponse):
     def __init__(self, html=''):
         super(HtmlResponse, self).__init__(html, content_type='text/plain')
 
+
 class ViewNameMiddleware(object):
     def process_view(self, request, view_func, view_args, view_kwargs):
         request.view_name = view_func.__name__
 
+
 class QueryCountDebugMiddleware(object):
     """
     This middleware will log the number of queries run
@@ -272,6 +302,7 @@ class QueryCountDebugMiddleware(object):
             log.info('%s queries run, total %s seconds' % (len(connection.queries), total_time))
         return response
 
+
 def get_ability(course_id, content, user):
     return {
             'editable': check_permissions_by_view(user, course_id, content, "update_thread" if content['type'] == 'thread' else "update_comment"),
@@ -283,6 +314,8 @@ def get_ability(course_id, content, user):
     }
 
 #TODO: RENAME
+
+
 def get_annotated_content_info(course_id, content, user, user_info):
     """
     Get metadata for an individual content (thread or comment)
@@ -299,6 +332,8 @@ def get_annotated_content_info(course_id, content, user, user_info):
     }
 
 #TODO: RENAME
+
+
 def get_annotated_content_infos(course_id, thread, user, user_info):
     """
     Get metadata for a thread and its children
@@ -311,6 +346,7 @@ def get_annotated_content_infos(course_id, thread, user, user_info):
     annotate(thread)
     return infos
 
+
 def get_metadata_for_threads(course_id, threads, user, user_info):
     def infogetter(thread):
         return get_annotated_content_infos(course_id, thread, user, user_info)
@@ -319,13 +355,17 @@ def get_metadata_for_threads(course_id, threads, user, user_info):
     return metadata
 
 # put this method in utils.py to avoid circular import dependency between helpers and mustache_helpers
+
+
 def url_for_tags(course_id, tags):
     return reverse('django_comment_client.forum.views.forum_form_discussion', args=[course_id]) + '?' + urllib.urlencode({'tags': tags})
 
+
 def render_mustache(template_name, dictionary, *args, **kwargs):
     template = middleware.lookup['main'].get_template(template_name).source
     return pystache.render(template, dictionary)
 
+
 def permalink(content):
     if content['type'] == 'thread':
         return reverse('django_comment_client.forum.views.single_thread',
@@ -334,6 +374,7 @@ def permalink(content):
         return reverse('django_comment_client.forum.views.single_thread',
                        args=[content['course_id'], content['commentable_id'], content['thread_id']]) + '#' + content['id']
 
+
 def extend_content(content):
     roles = {}
     if content.get('user_id'):
@@ -349,10 +390,11 @@ def extend_content(content):
         'raw_tags': ','.join(content.get('tags', [])),
         'permalink': permalink(content),
         'roles': roles,
-        'updated': content['created_at']!=content['updated_at'],
+        'updated': content['created_at'] != content['updated_at'],
     }
     return merge_dict(content, content_info)
 
+
 def get_courseware_context(content, course):
     id_map = get_discussion_id_map(course)
     id = content['commentable_id']
@@ -360,14 +402,27 @@ def get_courseware_context(content, course):
     if id in id_map:
         location = id_map[id]["location"].url()
         title = id_map[id]["title"]
-        (course_id, chapter, section, position) = path_to_location(modulestore(), course.id, location)
+
+        # cdodge: did we pre-compute, if so, then let's use that rather than recomputing
+        if 'path_to_location' in _DISCUSSIONINFO[course.id] and location in _DISCUSSIONINFO[course.id]['path_to_location']:
+            (course_id, chapter, section, position) = _DISCUSSIONINFO[course.id]['path_to_location'][location]
+        else:
+            try:
+                (course_id, chapter, section, position) = path_to_location(modulestore(), course.id, location)
+            except NoPathToItem:
+                # Object is not in the graph any longer, let's just get path to the base of the course
+                # so that we can at least return something to the caller
+                (course_id, chapter, section, position) = path_to_location(modulestore(), course.id, course.location)
+
         url = reverse('courseware_position', kwargs={"course_id":course_id,
                                                      "chapter":chapter,
                                                      "section":section,
                                                      "position":position})
+
         content_info = {"courseware_url": url, "courseware_title": title}
     return content_info
 
+
 def safe_content(content):
     fields = [
         'id', 'title', 'body', 'course_id', 'anonymous', 'anonymous_to_peers',
diff --git a/lms/djangoapps/instructor/management/commands/compute_grades.py b/lms/djangoapps/instructor/management/commands/compute_grades.py
index 462833ba3c..92db04f09a 100644
--- a/lms/djangoapps/instructor/management/commands/compute_grades.py
+++ b/lms/djangoapps/instructor/management/commands/compute_grades.py
@@ -3,7 +3,9 @@
 # django management command: dump grades to csv files
 # for use by batch processes
 
-import os, sys, string
+import os
+import sys
+import string
 import datetime
 import json
 
@@ -15,6 +17,7 @@ from xmodule.modulestore.django import modulestore
 from django.conf import settings
 from django.core.management.base import BaseCommand
 
+
 class Command(BaseCommand):
     help = "Compute grades for all students in a course, and store result in DB.\n"
     help += "Usage: compute_grades course_id_or_dir \n"
@@ -25,7 +28,7 @@ class Command(BaseCommand):
 
         print "args = ", args
 
-        if len(args)>0:
+        if len(args) > 0:
             course_id = args[0]
         else:
             print self.help
@@ -46,7 +49,3 @@ class Command(BaseCommand):
         print "Computing grades for %s" % (course.id)
 
         offline_grade_calculation(course.id)
-
-
-    
-        
diff --git a/lms/djangoapps/instructor/management/commands/dump_grades.py b/lms/djangoapps/instructor/management/commands/dump_grades.py
index 65825271f3..13f86c0e0f 100644
--- a/lms/djangoapps/instructor/management/commands/dump_grades.py
+++ b/lms/djangoapps/instructor/management/commands/dump_grades.py
@@ -3,7 +3,9 @@
 # django management command: dump grades to csv files
 # for use by batch processes
 
-import os, sys, string
+import os
+import sys
+import string
 import datetime
 import json
 
@@ -14,6 +16,7 @@ from xmodule.modulestore.django import modulestore
 from django.conf import settings
 from django.core.management.base import BaseCommand
 
+
 class Command(BaseCommand):
     help = "dump grades to CSV file.  Usage: dump_grades course_id_or_dir filename dump_type\n"
     help += "   course_id_or_dir: either course_id or course_dir\n"
@@ -32,12 +35,12 @@ class Command(BaseCommand):
         fn = "grades.csv"
         get_raw_scores = False
 
-        if len(args)>0:
+        if len(args) > 0:
             course_id = args[0]
-        if len(args)>1:
+        if len(args) > 1:
             fn = args[1]
-        if len(args)>2:
-            get_raw_scores = args[2].lower()=='raw'
+        if len(args) > 2:
+            get_raw_scores = args[2].lower() == 'raw'
 
         request = self.DummyRequest()
         try:
@@ -54,15 +57,15 @@ class Command(BaseCommand):
         print "-----------------------------------------------------------------------------"
         print "Dumping grades from %s to file %s (get_raw_scores=%s)" % (course.id, fn, get_raw_scores)
         datatable = get_student_grade_summary_data(request, course, course.id, get_raw_scores=get_raw_scores)
-    
-        fp = open(fn,'w')
-    
+
+        fp = open(fn, 'w')
+
         writer = csv.writer(fp, dialect='excel', quotechar='"', quoting=csv.QUOTE_ALL)
         writer.writerow(datatable['header'])
         for datarow in datatable['data']:
             encoded_row = [unicode(s).encode('utf-8') for s in datarow]
             writer.writerow(encoded_row)
-    
+
         fp.close()
         print "Done: %d records dumped" % len(datatable['data'])
 
@@ -74,6 +77,3 @@ class Command(BaseCommand):
             return 'edx.mit.edu'
         def is_secure(self):
             return False
-
-    
-        
diff --git a/lms/djangoapps/instructor/offline_gradecalc.py b/lms/djangoapps/instructor/offline_gradecalc.py
index 7c102805b4..8182c4e58a 100644
--- a/lms/djangoapps/instructor/offline_gradecalc.py
+++ b/lms/djangoapps/instructor/offline_gradecalc.py
@@ -31,7 +31,7 @@ class MyEncoder(JSONEncoder):
 
 def offline_grade_calculation(course_id):
     '''
-    Compute grades for all students for a specified course, and save results to the DB.  
+    Compute grades for all students for a specified course, and save results to the DB.
     '''
 
     tstart = time.time()
@@ -59,16 +59,16 @@ def offline_grade_calculation(course_id):
         ocg, created = models.OfflineComputedGrade.objects.get_or_create(user=student, course_id=course_id)
         ocg.gradeset = gs
         ocg.save()
-        print "%s done" % student	# print statement used because this is run by a management command
+        print "%s done" % student  	# print statement used because this is run by a management command
 
     tend = time.time()
     dt = tend - tstart
-    
+
     ocgl = models.OfflineComputedGradeLog(course_id=course_id, seconds=dt, nstudents=len(enrolled_students))
     ocgl.save()
     print ocgl
     print "All Done!"
-    
+
 
 def offline_grades_available(course_id):
     '''
@@ -80,7 +80,7 @@ def offline_grades_available(course_id):
         return False
     return ocgl.latest('created')
 
-    
+
 def student_grades(student, request, course, keep_raw_scores=False, use_offline=False):
     '''
     This is the main interface to get grades.  It has the same parameters as grades.grade, as well
@@ -89,15 +89,11 @@ def student_grades(student, request, course, keep_raw_scores=False, use_offline=
 
     if not use_offline:
         return grades.grade(student, request, course, keep_raw_scores=keep_raw_scores)
-    
+
     try:
         ocg = models.OfflineComputedGrade.objects.get(user=student, course_id=course.id)
     except models.OfflineComputedGrade.DoesNotExist:
-        return dict(raw_scores=[], section_breakdown=[], 
+        return dict(raw_scores=[], section_breakdown=[],
                     msg='Error: no offline gradeset available for %s, %s' % (student, course.id))
-    
+
     return json.loads(ocg.gradeset)
-
-
-        
-
diff --git a/lms/djangoapps/instructor/tests.py b/lms/djangoapps/instructor/tests.py
index e2ee878021..b775aa158a 100644
--- a/lms/djangoapps/instructor/tests.py
+++ b/lms/djangoapps/instructor/tests.py
@@ -15,7 +15,7 @@ import json
 from nose import SkipTest
 from mock import patch, Mock
 
-from override_settings import override_settings
+from django.test.utils import override_settings
 
 # Need access to internal func to put users in the right group
 from django.contrib.auth.models import Group
@@ -71,13 +71,13 @@ class TestInstructorDashboardGradeDownloadCSV(ct.PageLoader):
         response = self.client.post(url, {'action': 'Download CSV of all student grades for this course'})
         msg += "instructor dashboard download csv grades: response = '{0}'\n".format(response)
 
-        self.assertEqual(response['Content-Type'],'text/csv',msg)
+        self.assertEqual(response['Content-Type'], 'text/csv', msg)
 
         cdisp = response['Content-Disposition']
         msg += "Content-Disposition = '%s'\n" % cdisp
         self.assertEqual(cdisp, 'attachment; filename=grades_{0}.csv'.format(course.id), msg)
 
-        body = response.content.replace('\r','')
+        body = response.content.replace('\r', '')
         msg += "body = '{0}'\n".format(body)
 
         # All the not-actually-in-the-course hw and labs come from the
@@ -89,9 +89,10 @@ class TestInstructorDashboardGradeDownloadCSV(ct.PageLoader):
         self.assertEqual(body, expected_body, msg)
 
 
-FORUM_ROLES = [ FORUM_ROLE_ADMINISTRATOR, FORUM_ROLE_MODERATOR, FORUM_ROLE_COMMUNITY_TA ]
-FORUM_ADMIN_ACTION_SUFFIX = { FORUM_ROLE_ADMINISTRATOR : 'admin', FORUM_ROLE_MODERATOR : 'moderator', FORUM_ROLE_COMMUNITY_TA : 'community TA'}
-FORUM_ADMIN_USER = { FORUM_ROLE_ADMINISTRATOR : 'forumadmin', FORUM_ROLE_MODERATOR : 'forummoderator', FORUM_ROLE_COMMUNITY_TA : 'forummoderator'}
+FORUM_ROLES = [FORUM_ROLE_ADMINISTRATOR, FORUM_ROLE_MODERATOR, FORUM_ROLE_COMMUNITY_TA]
+FORUM_ADMIN_ACTION_SUFFIX = {FORUM_ROLE_ADMINISTRATOR: 'admin', FORUM_ROLE_MODERATOR: 'moderator', FORUM_ROLE_COMMUNITY_TA: 'community TA'}
+FORUM_ADMIN_USER = {FORUM_ROLE_ADMINISTRATOR: 'forumadmin', FORUM_ROLE_MODERATOR: 'forummoderator', FORUM_ROLE_COMMUNITY_TA: 'forummoderator'}
+
 
 def action_name(operation, rolename):
     if operation == 'List':
@@ -146,7 +147,7 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
         for action in ['Add', 'Remove']:
             for rolename in FORUM_ROLES:
                 response = self.client.post(url, {'action': action_name(action, rolename), FORUM_ADMIN_USER[rolename]: username})
-                self.assertTrue(response.content.find('Error: unknown username "{0}"'.format(username))>=0)
+                self.assertTrue(response.content.find('Error: unknown username "{0}"'.format(username)) >= 0)
 
     def test_add_forum_admin_users_for_missing_roles(self):
         course = self.toy
@@ -155,7 +156,7 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
         for action in ['Add', 'Remove']:
             for rolename in FORUM_ROLES:
                 response = self.client.post(url, {'action': action_name(action, rolename), FORUM_ADMIN_USER[rolename]: username})
-                self.assertTrue(response.content.find('Error: unknown rolename "{0}"'.format(rolename))>=0)
+                self.assertTrue(response.content.find('Error: unknown rolename "{0}"'.format(rolename)) >= 0)
 
     def test_remove_forum_admin_users_for_missing_users(self):
         course = self.toy
@@ -165,7 +166,7 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
         action = 'Remove'
         for rolename in FORUM_ROLES:
             response = self.client.post(url, {'action': action_name(action, rolename), FORUM_ADMIN_USER[rolename]: username})
-            self.assertTrue(response.content.find('Error: user "{0}" does not have rolename "{1}"'.format(username, rolename))>=0)
+            self.assertTrue(response.content.find('Error: user "{0}" does not have rolename "{1}"'.format(username, rolename)) >= 0)
 
     def test_add_and_remove_forum_admin_users(self):
         course = self.toy
@@ -174,10 +175,10 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
         username = 'u2'
         for rolename in FORUM_ROLES:
             response = self.client.post(url, {'action': action_name('Add', rolename), FORUM_ADMIN_USER[rolename]: username})
-            self.assertTrue(response.content.find('Added "{0}" to "{1}" forum role = "{2}"'.format(username, course.id, rolename))>=0)
+            self.assertTrue(response.content.find('Added "{0}" to "{1}" forum role = "{2}"'.format(username, course.id, rolename)) >= 0)
             self.assertTrue(has_forum_access(username, course.id, rolename))
             response = self.client.post(url, {'action': action_name('Remove', rolename), FORUM_ADMIN_USER[rolename]: username})
-            self.assertTrue(response.content.find('Removed "{0}" from "{1}" forum role = "{2}"'.format(username, course.id, rolename))>=0)
+            self.assertTrue(response.content.find('Removed "{0}" from "{1}" forum role = "{2}"'.format(username, course.id, rolename)) >= 0)
             self.assertFalse(has_forum_access(username, course.id, rolename))
 
     def test_add_and_read_forum_admin_users(self):
@@ -189,7 +190,7 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
             # perform an add, and follow with a second identical add:
             self.client.post(url, {'action': action_name('Add', rolename), FORUM_ADMIN_USER[rolename]: username})
             response = self.client.post(url, {'action': action_name('Add', rolename), FORUM_ADMIN_USER[rolename]: username})
-            self.assertTrue(response.content.find('Error: user "{0}" already has rolename "{1}", cannot add'.format(username, rolename))>=0)
+            self.assertTrue(response.content.find('Error: user "{0}" already has rolename "{1}", cannot add'.format(username, rolename)) >= 0)
             self.assertTrue(has_forum_access(username, course.id, rolename))
 
     def test_add_nonstaff_forum_admin_users(self):
@@ -199,7 +200,7 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
         username = 'u1'
         rolename = FORUM_ROLE_ADMINISTRATOR
         response = self.client.post(url, {'action': action_name('Add', rolename), FORUM_ADMIN_USER[rolename]: username})
-        self.assertTrue(response.content.find('Error: user "{0}" should first be added as staff'.format(username))>=0)
+        self.assertTrue(response.content.find('Error: user "{0}" should first be added as staff'.format(username)) >= 0)
 
     def test_list_forum_admin_users(self):
         course = self.toy
@@ -213,12 +214,10 @@ class TestInstructorDashboardForumAdmin(ct.PageLoader):
             self.assertTrue(has_forum_access(username, course.id, rolename))
             response = self.client.post(url, {'action': action_name('List', rolename), FORUM_ADMIN_USER[rolename]: username})
             for header in ['Username', 'Full name', 'Roles']:
-                self.assertTrue(response.content.find('<th>{0}</th>'.format(header))>0)
-            self.assertTrue(response.content.find('<td>{0}</td>'.format(username))>=0)
+                self.assertTrue(response.content.find('<th>{0}</th>'.format(header)) > 0)
+            self.assertTrue(response.content.find('<td>{0}</td>'.format(username)) >= 0)
             # concatenate all roles for user, in sorted order:
             added_roles.append(rolename)
             added_roles.sort()
             roles = ', '.join(added_roles)
-            self.assertTrue(response.content.find('<td>{0}</td>'.format(roles))>=0, 'not finding roles "{0}"'.format(roles))
-
-
+            self.assertTrue(response.content.find('<td>{0}</td>'.format(roles)) >= 0, 'not finding roles "{0}"'.format(roles))
diff --git a/lms/djangoapps/instructor/views.py b/lms/djangoapps/instructor/views.py
index a707506045..2bb4f00724 100644
--- a/lms/djangoapps/instructor/views.py
+++ b/lms/djangoapps/instructor/views.py
@@ -50,9 +50,11 @@ template_imports = {'urllib': urllib}
 FORUM_ROLE_ADD = 'add'
 FORUM_ROLE_REMOVE = 'remove'
 
+
 def split_by_comma_and_whitespace(s):
     return re.split(r'[\s,]', s)
 
+
 @ensure_csrf_cookie
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def instructor_dashboard(request, course_id):
@@ -69,11 +71,11 @@ def instructor_dashboard(request, course_id):
 
     # the instructor dashboard page is modal: grades, psychometrics, admin
     # keep that state in request.session (defaults to grades mode)
-    idash_mode = request.POST.get('idash_mode','')
+    idash_mode = request.POST.get('idash_mode', '')
     if idash_mode:
         request.session['idash_mode'] = idash_mode
     else:
-        idash_mode = request.session.get('idash_mode','Grades')
+        idash_mode = request.session.get('idash_mode', 'Grades')
 
     def escape(s):
         """escape HTML special characters in string"""
@@ -130,7 +132,7 @@ def instructor_dashboard(request, course_id):
 
     # process actions from form POST
     action = request.POST.get('action', '')
-    use_offline = request.POST.get('use_offline_grades',False)
+    use_offline = request.POST.get('use_offline_grades', False)
 
     if settings.MITX_FEATURES['ENABLE_MANUAL_GIT_RELOAD']:
         if 'GIT pull' in action:
@@ -155,12 +157,12 @@ def instructor_dashboard(request, course_id):
                 course_errors = modulestore().get_item_errors(course.location)
                 msg += '<ul>'
                 for cmsg, cerr in course_errors:
-                    msg += "<li>{0}: <pre>{1}</pre>".format(cmsg,escape(cerr))
+                    msg += "<li>{0}: <pre>{1}</pre>".format(cmsg, escape(cerr))
                 msg += '</ul>'
             except Exception as err:
                 msg += '<br/><p>Error: {0}</p>'.format(escape(err))
 
-    if action == 'Dump list of enrolled students' or action=='List enrolled students':
+    if action == 'Dump list of enrolled students' or action == 'List enrolled students':
         log.debug(action)
         datatable = get_student_grade_summary_data(request, course, course_id, get_grades=False, use_offline=use_offline)
         datatable['title'] = 'List of students enrolled in {0}'.format(course_id)
@@ -195,44 +197,44 @@ def instructor_dashboard(request, course_id):
 
     elif "Reset student's attempts" in action:
         # get the form data
-        unique_student_identifier=request.POST.get('unique_student_identifier','')
-        problem_to_reset=request.POST.get('problem_to_reset','')
+        unique_student_identifier = request.POST.get('unique_student_identifier', '')
+        problem_to_reset = request.POST.get('problem_to_reset', '')
 
-        if problem_to_reset[-4:]==".xml":
-            problem_to_reset=problem_to_reset[:-4]
+        if problem_to_reset[-4:] == ".xml":
+            problem_to_reset = problem_to_reset[:-4]
 
         # try to uniquely id student by email address or username
         try:
             if "@" in unique_student_identifier:
-                student_to_reset=User.objects.get(email=unique_student_identifier)
+                student_to_reset = User.objects.get(email=unique_student_identifier)
             else:
-                student_to_reset=User.objects.get(username=unique_student_identifier)
-            msg+="Found a single student to reset.  "
+                student_to_reset = User.objects.get(username=unique_student_identifier)
+            msg += "Found a single student to reset.  "
         except:
-            student_to_reset=None
-            msg+="<font color='red'>Couldn't find student with that email or username.  </font>"
+            student_to_reset = None
+            msg += "<font color='red'>Couldn't find student with that email or username.  </font>"
 
         if student_to_reset is not None:
             # find the module in question
             try:
-                (org, course_name, run)=course_id.split("/")
-                module_state_key="i4x://"+org+"/"+course_name+"/problem/"+problem_to_reset
-                module_to_reset=StudentModule.objects.get(student_id=student_to_reset.id,
+                (org, course_name, run) = course_id.split("/")
+                module_state_key = "i4x://" + org + "/" + course_name + "/problem/" + problem_to_reset
+                module_to_reset = StudentModule.objects.get(student_id=student_to_reset.id,
                                                           course_id=course_id,
                                                           module_state_key=module_state_key)
-                msg+="Found module to reset.  "
+                msg += "Found module to reset.  "
             except Exception as e:
-                msg+="<font color='red'>Couldn't find module with that urlname.  </font>"
+                msg += "<font color='red'>Couldn't find module with that urlname.  </font>"
 
         # modify the problem's state
         try:
             # load the state json
-            problem_state=json.loads(module_to_reset.state)
-            old_number_of_attempts=problem_state["attempts"]
-            problem_state["attempts"]=0
+            problem_state = json.loads(module_to_reset.state)
+            old_number_of_attempts = problem_state["attempts"]
+            problem_state["attempts"] = 0
 
             # save
-            module_to_reset.state=json.dumps(problem_state)
+            module_to_reset.state = json.dumps(problem_state)
             module_to_reset.save()
             track.views.server_track(request,
                                     '{instructor} reset attempts from {old_attempts} to 0 for {student} on problem {problem} in {course}'.format(
@@ -243,19 +245,19 @@ def instructor_dashboard(request, course_id):
                                         course=course_id),
                                     {},
                                     page='idashboard')
-            msg+="<font color='green'>Module state successfully reset!</font>"
+            msg += "<font color='green'>Module state successfully reset!</font>"
         except:
-            msg+="<font color='red'>Couldn't reset module state.  </font>"
+            msg += "<font color='red'>Couldn't reset module state.  </font>"
 
 
     elif "Get link to student's progress page" in action:
-        unique_student_identifier=request.POST.get('unique_student_identifier','')
+        unique_student_identifier = request.POST.get('unique_student_identifier', '')
         try:
             if "@" in unique_student_identifier:
-                student_to_reset=User.objects.get(email=unique_student_identifier)
+                student_to_reset = User.objects.get(email=unique_student_identifier)
             else:
-                student_to_reset=User.objects.get(username=unique_student_identifier)
-            progress_url=reverse('student_progress',kwargs={'course_id':course_id,'student_id': student_to_reset.id})
+                student_to_reset = User.objects.get(username=unique_student_identifier)
+            progress_url = reverse('student_progress', kwargs={'course_id': course_id, 'student_id': student_to_reset.id})
             track.views.server_track(request,
                                     '{instructor} requested progress page for {student} in {course}'.format(
                                         student=student_to_reset,
@@ -263,18 +265,18 @@ def instructor_dashboard(request, course_id):
                                         course=course_id),
                                     {},
                                     page='idashboard')
-            msg+="<a href='{0}' target='_blank'> Progress page for username: {1} with email address: {2}</a>.".format(progress_url,student_to_reset.username,student_to_reset.email)
+            msg += "<a href='{0}' target='_blank'> Progress page for username: {1} with email address: {2}</a>.".format(progress_url, student_to_reset.username, student_to_reset.email)
         except:
-            msg+="<font color='red'>Couldn't find student with that username.  </font>"
+            msg += "<font color='red'>Couldn't find student with that username.  </font>"
 
     #----------------------------------------
     # export grades to remote gradebook
 
-    elif action=='List assignments available in remote gradebook':
+    elif action == 'List assignments available in remote gradebook':
         msg2, datatable = _do_remote_gradebook(request.user, course, 'get-assignments')
         msg += msg2
 
-    elif action=='List assignments available for this course':
+    elif action == 'List assignments available for this course':
         log.debug(action)
         allgrades = get_student_grade_summary_data(request, course, course_id, get_grades=True, use_offline=use_offline)
 
@@ -285,11 +287,11 @@ def instructor_dashboard(request, course_id):
 
         msg += 'assignments=<pre>%s</pre>' % assignments
 
-    elif action=='List enrolled students matching remote gradebook':
+    elif action == 'List enrolled students matching remote gradebook':
         stud_data = get_student_grade_summary_data(request, course, course_id, get_grades=False, use_offline=use_offline)
         msg2, rg_stud_data = _do_remote_gradebook(request.user, course, 'get-membership')
         datatable = {'header': ['Student  email', 'Match?']}
-        rg_students = [ x['email'] for x in rg_stud_data['retdata'] ]
+        rg_students = [x['email'] for x in rg_stud_data['retdata']]
         def domatch(x):
             return '<font color="green">yes</font>' if x.email in rg_students else '<font color="red">No</font>'
         datatable['data'] = [[x.email, domatch(x)] for x in stud_data['students']]
@@ -300,7 +302,7 @@ def instructor_dashboard(request, course_id):
 
         log.debug(action)
         datatable = {}
-        aname = request.POST.get('assignment_name','')
+        aname = request.POST.get('assignment_name', '')
         if not aname:
             msg += "<font color='red'>Please enter an assignment name</font>"
         else:
@@ -383,6 +385,46 @@ def instructor_dashboard(request, course_id):
             user.groups.remove(group)
             track.views.server_track(request, 'remove-instructor {0}'.format(user), {}, page='idashboard')
 
+    #----------------------------------------
+    # DataDump
+
+    elif 'Download CSV of all student profile data' in action:
+        enrolled_students = User.objects.filter(courseenrollment__course_id=course_id).order_by('username').select_related("profile")
+        profkeys = ['name', 'language', 'location', 'year_of_birth', 'gender', 'level_of_education',
+                    'mailing_address', 'goals']
+        datatable = {'header': ['username', 'email'] + profkeys}
+        def getdat(u):
+            p = u.profile
+            return [u.username, u.email] + [getattr(p,x,'') for x in profkeys]
+        
+        datatable['data'] = [getdat(u) for u in enrolled_students]
+        datatable['title'] = 'Student profile data for course %s' % course_id
+        return return_csv('profiledata_%s.csv' % course_id, datatable)
+
+
+    elif 'Download CSV of all responses to problem' in action:
+        problem_to_dump = request.POST.get('problem_to_dump','')
+
+        if problem_to_dump[-4:]==".xml":
+            problem_to_dump=problem_to_dump[:-4]
+        try:
+            (org, course_name, run)=course_id.split("/")
+            module_state_key="i4x://"+org+"/"+course_name+"/problem/"+problem_to_dump
+            smdat = StudentModule.objects.filter(course_id=course_id,
+                                                 module_state_key=module_state_key)
+            smdat = smdat.order_by('student')
+            msg+="Found module to reset.  "
+        except Exception as err:
+            msg+="<font color='red'>Couldn't find module with that urlname.  </font>"
+            msg += "<pre>%s</pre>" % escape(err)
+            smdat = []
+        
+        if smdat:
+            datatable = {'header': ['username', 'state']}
+            datatable['data'] = [ [x.student.username, x.state] for x in smdat ]
+            datatable['title'] = 'Student state for problem %s' % problem_to_dump
+            return return_csv('student_state_from_%s.csv' % problem_to_dump, datatable)
+
     #----------------------------------------
     # Group management
 
@@ -476,13 +518,13 @@ def instructor_dashboard(request, course_id):
 
     elif action == 'Enroll student':
 
-        student = request.POST.get('enstudent','')
+        student = request.POST.get('enstudent', '')
         ret = _do_enroll_students(course, course_id, student)
         datatable = ret['datatable']
 
     elif action == 'Un-enroll student':
 
-        student = request.POST.get('enstudent','')
+        student = request.POST.get('enstudent', '')
         datatable = {}
         isok = False
         cea = CourseEnrollmentAllowed.objects.filter(course_id=course_id, email=student)
@@ -506,7 +548,7 @@ def instructor_dashboard(request, course_id):
 
     elif action == 'Enroll multiple students':
 
-        students = request.POST.get('enroll_multiple','')
+        students = request.POST.get('enroll_multiple', '')
         ret = _do_enroll_students(course, course_id, students)
         datatable = ret['datatable']
 
@@ -519,8 +561,8 @@ def instructor_dashboard(request, course_id):
                     'Overload enrollment list using remote gradebook',
                     'Merge enrollment list with remote gradebook']:
 
-        section = request.POST.get('gradebook_section','')
-        msg2, datatable = _do_remote_gradebook(request.user, course, 'get-membership', dict(section=section) )
+        section = request.POST.get('gradebook_section', '')
+        msg2, datatable = _do_remote_gradebook(request.user, course, 'get-membership', dict(section=section))
         msg += msg2
 
         if not 'List' in action:
@@ -539,7 +581,7 @@ def instructor_dashboard(request, course_id):
         msg += nmsg
         track.views.server_track(request, 'psychometrics {0}'.format(problem), {}, page='idashboard')
 
-    if idash_mode=='Psychometrics':
+    if idash_mode == 'Psychometrics':
         problems = psychoanalyze.problems_with_psychometric_data(course_id)
 
 
@@ -563,10 +605,10 @@ def instructor_dashboard(request, course_id):
                'problems': problems,		# psychometrics
                'plots': plots,			# psychometrics
                'course_errors': modulestore().get_item_errors(course.location),
-               'djangopid' : os.getpid(),
-               'mitx_version' : getattr(settings,'MITX_VERSION_STRING',''),
-               'offline_grade_log' : offline_grades_available(course_id),
-               'cohorts_ajax_url' : reverse('cohorts', kwargs={'course_id': course_id}),
+               'djangopid': os.getpid(),
+               'mitx_version': getattr(settings, 'MITX_VERSION_STRING', ''),
+               'offline_grade_log': offline_grades_available(course_id),
+               'cohorts_ajax_url': reverse('cohorts', kwargs={'course_id': course_id}),
                }
 
     return render_to_response('courseware/instructor_dashboard.html', context)
@@ -576,17 +618,17 @@ def _do_remote_gradebook(user, course, action, args=None, files=None):
     '''
     Perform remote gradebook action.  Returns msg, datatable.
     '''
-    rg = course.metadata.get('remote_gradebook','')
+    rg = course.metadata.get('remote_gradebook', '')
     if not rg:
         msg = "No remote gradebook defined in course metadata"
         return msg, {}
 
-    rgurl = settings.MITX_FEATURES.get('REMOTE_GRADEBOOK_URL','')
+    rgurl = settings.MITX_FEATURES.get('REMOTE_GRADEBOOK_URL', '')
     if not rgurl:
         msg = "No remote gradebook url defined in settings.MITX_FEATURES"
         return msg, {}
 
-    rgname = rg.get('name','')
+    rgname = rg.get('name', '')
     if not rgname:
         msg = "No gradebook name defined in course remote_gradebook metadata"
         return msg, {}
@@ -606,8 +648,8 @@ def _do_remote_gradebook(user, course, action, args=None, files=None):
         msg += "<br/>data=%s" % data
         return msg, {}
 
-    msg = '<pre>%s</pre>' % retdict['msg'].replace('\n','<br/>')
-    retdata = retdict['data']	# a list of dicts
+    msg = '<pre>%s</pre>' % retdict['msg'].replace('\n', '<br/>')
+    retdata = retdict['data']  	# a list of dicts
 
     if retdata:
         datatable = {'header': retdata[0].keys()}
@@ -619,6 +661,7 @@ def _do_remote_gradebook(user, course, action, args=None, files=None):
 
     return msg, datatable
 
+
 def _list_course_forum_members(course_id, rolename, datatable):
     """
     Fills in datatable with forum membership information, for a given role,
@@ -672,7 +715,7 @@ def _update_forum_role_membership(uname, course, rolename, add_or_remove):
     log.debug('rolename={0}'.format(rolename))
     if add_or_remove == FORUM_ROLE_REMOVE:
         if not alreadyexists:
-            msg ='<font color="red">Error: user "{0}" does not have rolename "{1}", cannot remove</font>'.format(uname, rolename)
+            msg = '<font color="red">Error: user "{0}" does not have rolename "{1}", cannot remove</font>'.format(uname, rolename)
         else:
             user.roles.remove(role)
             msg = '<font color="green">Removed "{0}" from "{1}" forum role = "{2}"</font>'.format(user, course.id, rolename)
@@ -688,6 +731,7 @@ def _update_forum_role_membership(uname, course, rolename, add_or_remove):
 
     return msg
 
+
 def _group_members_table(group, title, course_id):
     """
     Return a data table of usernames and names of users in group_name.
@@ -756,6 +800,7 @@ def add_user_to_group(request, username_or_email, group, group_title, event_name
     """
     return _add_or_remove_user_group(request, username_or_email, group, group_title, event_name, True)
 
+
 def remove_user_from_group(request, username_or_email, group, group_title, event_name):
     """
     Look up the given user by username (if no '@') or email (otherwise), and remove them from group.
@@ -809,22 +854,22 @@ def get_student_grade_summary_data(request, course, course_id, get_grades=True,
     data = []
 
     for student in enrolled_students:
-        datarow = [ student.id, student.username, student.profile.name, student.email ]
+        datarow = [student.id, student.username, student.profile.name, student.email]
         try:
             datarow.append(student.externalauthmap.external_email)
-        except:	# ExternalAuthMap.DoesNotExist
+        except:  	# ExternalAuthMap.DoesNotExist
             datarow.append('')
 
         if get_grades:
             gradeset = student_grades(student, request, course, keep_raw_scores=get_raw_scores, use_offline=use_offline)
-            log.debug('student={0}, gradeset={1}'.format(student,gradeset))
+            log.debug('student={0}, gradeset={1}'.format(student, gradeset))
             if get_raw_scores:
                 # TODO (ichuang) encode Score as dict instead of as list, so score[0] -> score['earned']
-                sgrades = [(getattr(score,'earned','') or score[0]) for score in gradeset['raw_scores']]
+                sgrades = [(getattr(score, 'earned', '') or score[0]) for score in gradeset['raw_scores']]
             else:
                 sgrades = [x['percent'] for x in gradeset['section_breakdown']]
             datarow += sgrades
-            student.grades = sgrades	# store in student object
+            student.grades = sgrades  	# store in student object
 
         data.append(datarow)
     datatable['data'] = data
@@ -832,6 +877,7 @@ def get_student_grade_summary_data(request, course, course_id, get_grades=True,
 
 #-----------------------------------------------------------------------------
 
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def gradebook(request, course_id):
     """
@@ -886,9 +932,9 @@ def _do_enroll_students(course, course_id, students, overload=False):
     if '' in new_students:
         new_students.remove('')
 
-    status = dict([x,'unprocessed'] for x in new_students)
+    status = dict([x, 'unprocessed'] for x in new_students)
 
-    if overload:	# delete all but staff
+    if overload:  	# delete all but staff
         todelete = CourseEnrollment.objects.filter(course_id=course_id)
         for ce in todelete:
             if not has_access(ce.user, course, 'staff') and ce.user.email.lower() not in new_students_lc:
@@ -903,7 +949,7 @@ def _do_enroll_students(course, course_id, students, overload=False):
 
     for student in new_students:
         try:
-            user=User.objects.get(email=student)
+            user = User.objects.get(email=student)
         except User.DoesNotExist:
             # user not signed up yet, put in pending enrollment allowed table
             if CourseEnrollmentAllowed.objects.filter(email=student, course_id=course_id):
@@ -928,9 +974,9 @@ def _do_enroll_students(course, course_id, students, overload=False):
     datatable['data'] = [[x, status[x]] for x in status]
     datatable['title'] = 'Enrollment of students'
 
-    def sf(stat): return [x for x in status if status[x]==stat]
+    def sf(stat): return [x for x in status if status[x] == stat]
 
-    data = dict(added=sf('added'), rejected=sf('rejected')+sf('exists'),
+    data = dict(added=sf('added'), rejected=sf('rejected') + sf('exists'),
                 deleted=sf('deleted'), datatable=datatable)
 
     return data
@@ -1013,5 +1059,5 @@ def compute_course_stats(course):
             walk(c)
 
     walk(course)
-    stats = dict(counts)	# number of each kind of module
+    stats = dict(counts)  	# number of each kind of module
     return stats
diff --git a/lms/djangoapps/licenses/migrations/0001_initial.py b/lms/djangoapps/licenses/migrations/0001_initial.py
index bdc1d3ead4..365046272d 100644
--- a/lms/djangoapps/licenses/migrations/0001_initial.py
+++ b/lms/djangoapps/licenses/migrations/0001_initial.py
@@ -115,4 +115,4 @@ class Migration(SchemaMigration):
         }
     }
 
-    complete_apps = ['licenses']
\ No newline at end of file
+    complete_apps = ['licenses']
diff --git a/lms/djangoapps/lms_migration/management/commands/create_groups.py b/lms/djangoapps/lms_migration/management/commands/create_groups.py
index 7b52795606..95c9e4238b 100644
--- a/lms/djangoapps/lms_migration/management/commands/create_groups.py
+++ b/lms/djangoapps/lms_migration/management/commands/create_groups.py
@@ -4,7 +4,10 @@
 #
 # Create all staff_* groups for classes in data directory.
 
-import os, sys, string, re
+import os
+import sys
+import string
+import re
 
 from django.core.management.base import BaseCommand
 from django.conf import settings
@@ -12,6 +15,7 @@ from django.contrib.auth.models import User, Group
 from path import path
 from lxml import etree
 
+
 def create_groups():
     '''
     Create staff and instructor groups for all classes in the data_dir
@@ -26,7 +30,7 @@ def create_groups():
             continue
         if not os.path.isdir(path(data_dir) / course_dir):
             continue
-        
+
         cxfn = path(data_dir) / course_dir / 'course.xml'
         try:
             coursexml = etree.parse(cxfn)
@@ -38,11 +42,12 @@ def create_groups():
         if course is None:
             print "oops, can't get course id for %s" % course_dir
             continue
-        print "course=%s for course_dir=%s" % (course,course_dir)
-    
+        print "course=%s for course_dir=%s" % (course, course_dir)
+
         create_group('staff_%s' % course)		# staff group
         create_group('instructor_%s' % course)		# instructor group (can manage staff group list)
 
+
 def create_group(gname):
     if Group.objects.filter(name=gname):
         print "    group exists for %s" % gname
@@ -51,6 +56,7 @@ def create_group(gname):
     g.save()
     print "    created group %s" % gname
 
+
 class Command(BaseCommand):
     help = "Create groups associated with all courses in data_dir."
 
diff --git a/lms/djangoapps/lms_migration/management/commands/create_user.py b/lms/djangoapps/lms_migration/management/commands/create_user.py
index 7d39accc44..86b355e571 100644
--- a/lms/djangoapps/lms_migration/management/commands/create_user.py
+++ b/lms/djangoapps/lms_migration/management/commands/create_user.py
@@ -4,7 +4,10 @@
 #
 # Create user.  Prompt for groups and ExternalAuthMap
 
-import os, sys, string, re
+import os
+import sys
+import string
+import re
 import datetime
 from getpass import getpass
 import json
@@ -16,6 +19,7 @@ from student.models import UserProfile, Registration
 from external_auth.models import ExternalAuthMap
 from django.contrib.auth.models import User, Group
 
+
 class MyCompleter(object):  # Custom completer
 
     def __init__(self, options):
@@ -24,23 +28,25 @@ class MyCompleter(object):  # Custom completer
     def complete(self, text, state):
         if state == 0:  # on first trigger, build possible matches
             if text:  # cache matches (entries that start with entered text)
-                self.matches = [s for s in self.options 
+                self.matches = [s for s in self.options
                                     if s and s.startswith(text)]
             else:  # no text entered, all matches possible
                 self.matches = self.options[:]
 
         # return match indexed by state
-        try: 
+        try:
             return self.matches[state]
         except IndexError:
             return None
 
+
 def GenPasswd(length=8, chars=string.letters + string.digits):
     return ''.join([choice(chars) for i in range(length)])
 
 #-----------------------------------------------------------------------------
 # main command
 
+
 class Command(BaseCommand):
     help = "Create user, interactively; can add ExternalAuthMap for MIT user if email@MIT.EDU resolves properly."
 
@@ -52,27 +58,27 @@ class Command(BaseCommand):
                 print "username %s already taken" % uname
             else:
                 break
-        
+
         make_eamap = False
-        if raw_input('Create MIT ExternalAuth? [n] ').lower()=='y':
+        if raw_input('Create MIT ExternalAuth? [n] ').lower() == 'y':
             email = '%s@MIT.EDU' % uname
             if not email.endswith('@MIT.EDU'):
                 print "Failed - email must be @MIT.EDU"
                 sys.exit(-1)
             mit_domain = 'ssl:MIT'
-            if ExternalAuthMap.objects.filter(external_id = email, external_domain = mit_domain):
+            if ExternalAuthMap.objects.filter(external_id=email, external_domain=mit_domain):
                 print "Failed - email %s already exists as external_id" % email
                 sys.exit(-1)
             make_eamap = True
             password = GenPasswd(12)
-            
+
             # get name from kerberos
             try:
                 kname = os.popen("finger %s | grep 'name:'" % email).read().strip().split('name: ')[1].strip()
             except:
                 kname = ''
             name = raw_input('Full name: [%s] ' % kname).strip()
-            if name=='':
+            if name == '':
                 name = kname
             print "name = %s" % name
         else:
@@ -82,17 +88,17 @@ class Command(BaseCommand):
                 if password == password2:
                     break
                 print "Oops, passwords do not match, please retry"
-        
+
             while True:
                 email = raw_input('email: ')
                 if User.objects.filter(email=email):
                     print "email %s already taken" % email
                 else:
                     break
-                
+
             name = raw_input('Full name: ')
-        
-                
+
+
         user = User(username=uname, email=email, is_active=True)
         user.set_password(password)
         try:
@@ -100,41 +106,41 @@ class Command(BaseCommand):
         except IntegrityError:
             print "Oops, failed to create user %s, IntegrityError" % user
             raise
-            
+
         r = Registration()
         r.register(user)
-        
+
         up = UserProfile(user=user)
         up.name = name
         up.save()
-        
+
         if make_eamap:
-            credentials = "/C=US/ST=Massachusetts/O=Massachusetts Institute of Technology/OU=Client CA v1/CN=%s/emailAddress=%s" % (name,email)
-            eamap = ExternalAuthMap(external_id = email,
-                                    external_email = email,
-                                    external_domain = mit_domain,
-                                    external_name = name,
-                                    internal_password = password,
-                                    external_credentials = json.dumps(credentials),
+            credentials = "/C=US/ST=Massachusetts/O=Massachusetts Institute of Technology/OU=Client CA v1/CN=%s/emailAddress=%s" % (name, email)
+            eamap = ExternalAuthMap(external_id=email,
+                                    external_email=email,
+                                    external_domain=mit_domain,
+                                    external_name=name,
+                                    internal_password=password,
+                                    external_credentials=json.dumps(credentials),
                 )
             eamap.user = user
             eamap.dtsignup = datetime.datetime.now()
             eamap.save()
-        
+
         print "User %s created successfully!" % user
-        
-        if not raw_input('Add user %s to any groups? [n] ' % user).lower()=='y':
+
+        if not raw_input('Add user %s to any groups? [n] ' % user).lower() == 'y':
             sys.exit(0)
-        
+
         print "Here are the groups available:"
-        
+
         groups = [str(g.name) for g in Group.objects.all()]
         print groups
-        
+
         completer = MyCompleter(groups)
         readline.set_completer(completer.complete)
         readline.parse_and_bind('tab: complete')
-        
+
         while True:
             gname = raw_input("Add group (tab to autocomplete, empty line to end): ")
             if not gname:
@@ -144,6 +150,6 @@ class Command(BaseCommand):
                 continue
             g = Group.objects.get(name=gname)
             user.groups.add(g)
-            print "Added %s to group %s" % (user,g)
-        
+            print "Added %s to group %s" % (user, g)
+
         print "Done!"
diff --git a/lms/djangoapps/lms_migration/management/commands/manage_course_groups.py b/lms/djangoapps/lms_migration/management/commands/manage_course_groups.py
index f3a39db5ca..b63ef7859b 100644
--- a/lms/djangoapps/lms_migration/management/commands/manage_course_groups.py
+++ b/lms/djangoapps/lms_migration/management/commands/manage_course_groups.py
@@ -4,7 +4,10 @@
 #
 # interactively list and edit membership in course staff and instructor groups
 
-import os, sys, string, re
+import os
+import sys
+import string
+import re
 import datetime
 from getpass import getpass
 import json
@@ -17,26 +20,27 @@ from django.contrib.auth.models import User, Group
 #-----------------------------------------------------------------------------
 # get all staff groups
 
+
 class Command(BaseCommand):
     help = "Manage course group membership, interactively."
 
     def handle(self, *args, **options):
 
         gset = Group.objects.all()
-        
+
         print "Groups:"
-        for cnt,g in zip(range(len(gset)), gset):
-            print "%d. %s" % (cnt,g)
-        
+        for cnt, g in zip(range(len(gset)), gset):
+            print "%d. %s" % (cnt, g)
+
         gnum = int(raw_input('Choose group to manage (enter #): '))
-        
+
         group = gset[gnum]
-        
+
         #-----------------------------------------------------------------------------
         # users in group
-        
+
         uall = User.objects.all()
-        if uall.count()<50:
+        if uall.count() < 50:
             print "----"
             print "List of All Users: %s" % [str(x.username) for x in uall]
             print "----"
@@ -44,24 +48,24 @@ class Command(BaseCommand):
             print "----"
             print "There are %d users, which is too many to list" % uall.count()
             print "----"
-        
+
         while True:
-        
+
             print "Users in the group:"
-            
+
             uset = group.user_set.all()
             for cnt, u in zip(range(len(uset)), uset):
                 print "%d. %s" % (cnt, u)
-        
+
             action = raw_input('Choose user to delete (enter #) or enter usernames (comma delim) to add: ')
-        
-            m = re.match('^[0-9]+$',action)
+
+            m = re.match('^[0-9]+$', action)
             if m:
                 unum = int(action)
                 u = uset[unum]
                 print "Deleting user %s" % u
                 u.groups.remove(group)
-            
+
             else:
                 for uname in action.split(','):
                     try:
@@ -71,6 +75,3 @@ class Command(BaseCommand):
                         continue
                     print "adding %s to group %s" % (user, group)
                     user.groups.add(group)
-                
-            
-            
diff --git a/lms/djangoapps/lms_migration/migrate.py b/lms/djangoapps/lms_migration/migrate.py
index ecde31d6dd..9cdc783bb9 100644
--- a/lms/djangoapps/lms_migration/migrate.py
+++ b/lms/djangoapps/lms_migration/migrate.py
@@ -22,29 +22,32 @@ log = logging.getLogger("mitx.lms_migrate")
 LOCAL_DEBUG = True
 ALLOWED_IPS = settings.LMS_MIGRATION_ALLOWED_IPS
 
+
 def escape(s):
     """escape HTML special characters in string"""
-    return str(s).replace('<','&lt;').replace('>','&gt;')
+    return str(s).replace('<', '&lt;').replace('>', '&gt;')
+
 
 def getip(request):
     '''
     Extract IP address of requester from header, even if behind proxy
     '''
-    ip = request.META.get('HTTP_X_REAL_IP','')	# nginx reverse proxy
+    ip = request.META.get('HTTP_X_REAL_IP', '')  	# nginx reverse proxy
     if not ip:
-        ip = request.META.get('REMOTE_ADDR','None')
+        ip = request.META.get('REMOTE_ADDR', 'None')
     return ip
 
 
 def get_commit_id(course):
-    return course.metadata.get('GIT_COMMIT_ID','No commit id')
+    return course.metadata.get('GIT_COMMIT_ID', 'No commit id')
     # getattr(def_ms.courses[reload_dir], 'GIT_COMMIT_ID','No commit id')
 
 
-def set_commit_id(course,commit_id):
+def set_commit_id(course, commit_id):
     course.metadata['GIT_COMMIT_ID'] = commit_id
     # setattr(def_ms.courses[reload_dir], 'GIT_COMMIT_ID', new_commit_id)
 
+
 def manage_modulestores(request, reload_dir=None, commit_id=None):
     '''
     Manage the static in-memory modulestores.
@@ -65,7 +68,7 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
         html += '<h3>IP address: %s <h3>' % ip
         html += '<h3>User: %s </h3>' % request.user
         html += '<h3>My pid: %s</h3>' % os.getpid()
-        log.debug('request from ip=%s, user=%s' % (ip,request.user))
+        log.debug('request from ip=%s, user=%s' % (ip, request.user))
 
     if not (ip in ALLOWED_IPS or 'any' in ALLOWED_IPS):
         if request.user and request.user.is_staff:
@@ -89,7 +92,7 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
             log.debug('commit_id="%s"' % commit_id)
             log.debug('current_commit_id="%s"' % current_commit_id)
 
-            if (commit_id is not None) and (commit_id==current_commit_id):
+            if (commit_id is not None) and (commit_id == current_commit_id):
                 html += "<h2>Already at commit id %s for %s</h2>" % (commit_id, reload_dir)
                 track.views.server_track(request,
                                          'reload %s skipped already at %s (pid=%s)' % (reload_dir,
@@ -100,7 +103,7 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
             else:
                 html += '<h2>Reloaded course directory "%s"</h2>' % reload_dir
                 def_ms.try_load_course(reload_dir)
-                gdir = settings.DATA_DIR / reload_dir 
+                gdir = settings.DATA_DIR / reload_dir
                 new_commit_id = os.popen('cd %s; git log -n 1 | head -1' % gdir).read().strip().split(' ')[1]
                 set_commit_id(def_ms.courses[reload_dir], new_commit_id)
                 html += '<p>commit_id=%s</p>' % new_commit_id
@@ -121,21 +124,21 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
 
     #----------------------------------------
 
-    dumpfields = ['definition','location','metadata']
+    dumpfields = ['definition', 'location', 'metadata']
 
     for cdir, course in def_ms.courses.items():
         html += '<hr width="100%"/>'
-        html += '<h2>Course: %s (%s)</h2>' % (course.display_name,cdir)
+        html += '<h2>Course: %s (%s)</h2>' % (course.display_name, cdir)
 
         html += '<p>commit_id=%s</p>' % get_commit_id(course)
 
         for field in dumpfields:
-            data = getattr(course,field)
+            data = getattr(course, field)
             html += '<h3>%s</h3>' % field
-            if type(data)==dict:
+            if type(data) == dict:
                 html += '<ul>'
-                for k,v in data.items():
-                    html += '<li>%s:%s</li>' % (escape(k),escape(v))
+                for k, v in data.items():
+                    html += '<li>%s:%s</li>' % (escape(k), escape(v))
                 html += '</ul>'
             else:
                 html += '<ul><li>%s</li></ul>' % escape(data)
@@ -159,6 +162,7 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
     html += "</body></html>"
     return HttpResponse(html)
 
+
 @csrf_exempt
 def gitreload(request, reload_dir=None):
     '''
@@ -172,8 +176,8 @@ def gitreload(request, reload_dir=None):
     html += '<h3>IP address: %s ' % ip
     html += '<h3>User: %s ' % request.user
 
-    ALLOWED_IPS = []	# allow none by default
-    if hasattr(settings,'ALLOWED_GITRELOAD_IPS'):	# allow override in settings
+    ALLOWED_IPS = []  	# allow none by default
+    if hasattr(settings, 'ALLOWED_GITRELOAD_IPS'):  	# allow override in settings
         ALLOWED_IPS = settings.ALLOWED_GITRELOAD_IPS
 
     if not (ip in ALLOWED_IPS or 'any' in ALLOWED_IPS):
@@ -182,9 +186,9 @@ def gitreload(request, reload_dir=None):
         else:
             html += 'Permission denied'
             html += "</body></html>"
-            log.debug('request denied from %s, ALLOWED_IPS=%s' % (ip,ALLOWED_IPS))
-            return HttpResponse(html)    
-        
+            log.debug('request denied from %s, ALLOWED_IPS=%s' % (ip, ALLOWED_IPS))
+            return HttpResponse(html)
+
     #----------------------------------------
     # see if request is from github (POST with JSON)
 
@@ -195,19 +199,19 @@ def gitreload(request, reload_dir=None):
         log.debug("gitargs=%s" % gitargs)
         reload_dir = gitargs['repository']['name']
         log.debug("github reload_dir=%s" % reload_dir)
-        gdir = settings.DATA_DIR / reload_dir 
+        gdir = settings.DATA_DIR / reload_dir
         if not os.path.exists(gdir):
             log.debug("====> ERROR in gitreload - no such directory %s" % reload_dir)
             return HttpResponse('Error')
         cmd = "cd %s; git reset --hard HEAD; git clean -f -d; git pull origin; chmod g+w course.xml" % gdir
         log.debug(os.popen(cmd).read())
-        if hasattr(settings,'GITRELOAD_HOOK'):	# hit this hook after reload, if set
+        if hasattr(settings, 'GITRELOAD_HOOK'):  	# hit this hook after reload, if set
             gh = settings.GITRELOAD_HOOK
             if gh:
-                ghurl = '%s/%s' % (gh,reload_dir)
+                ghurl = '%s/%s' % (gh, reload_dir)
                 r = requests.get(ghurl)
                 log.debug("GITRELOAD_HOOK to %s: %s" % (ghurl, r.text))
-        
+
     #----------------------------------------
     # reload course if specified
 
@@ -220,4 +224,4 @@ def gitreload(request, reload_dir=None):
             def_ms.try_load_course(reload_dir)
             track.views.server_track(request, 'reloaded %s' % reload_dir, {}, page='migrate')
 
-    return HttpResponse(html)    
+    return HttpResponse(html)
diff --git a/lms/djangoapps/open_ended_grading/controller_query_service.py b/lms/djangoapps/open_ended_grading/controller_query_service.py
index 5d2c40b6ce..83d5617bd2 100644
--- a/lms/djangoapps/open_ended_grading/controller_query_service.py
+++ b/lms/djangoapps/open_ended_grading/controller_query_service.py
@@ -12,12 +12,13 @@ from mitxmako.shortcuts import render_to_string
 
 log = logging.getLogger(__name__)
 
+
 class ControllerQueryService(GradingService):
     """
     Interface to staff grading backend.
     """
     def __init__(self, config):
-        config['system'] = ModuleSystem(None,None,None,render_to_string,None)
+        config['system'] = ModuleSystem(None, None, None, render_to_string, None)
         super(ControllerQueryService, self).__init__(config)
         self.check_eta_url = self.url + '/get_submission_eta/'
         self.is_unique_url = self.url + '/is_name_unique/'
@@ -29,34 +30,34 @@ class ControllerQueryService(GradingService):
     def check_if_name_is_unique(self, location, problem_id, course_id):
         params = {
             'course_id': course_id,
-            'location' : location,
-            'problem_id' : problem_id
+            'location': location,
+            'problem_id': problem_id
         }
         response = self.get(self.is_unique_url, params)
         return response
 
     def check_for_eta(self, location):
         params = {
-            'location' : location,
+            'location': location,
         }
         response = self.get(self.check_eta_url, params)
         return response
 
     def check_combined_notifications(self, course_id, student_id, user_is_staff, last_time_viewed):
-        params= {
-            'student_id' : student_id,
-            'course_id' : course_id,
-            'user_is_staff' : user_is_staff,
-            'last_time_viewed' : last_time_viewed,
+        params = {
+            'student_id': student_id,
+            'course_id': course_id,
+            'user_is_staff': user_is_staff,
+            'last_time_viewed': last_time_viewed,
         }
         log.debug(self.combined_notifications_url)
-        response = self.get(self.combined_notifications_url,params)
+        response = self.get(self.combined_notifications_url, params)
         return response
 
     def get_grading_status_list(self, course_id, student_id):
         params = {
-            'student_id' : student_id,
-            'course_id' : course_id,
+            'student_id': student_id,
+            'course_id': course_id,
         }
 
         response = self.get(self.grading_status_list_url, params)
@@ -64,7 +65,7 @@ class ControllerQueryService(GradingService):
 
     def get_flagged_problem_list(self, course_id):
         params = {
-            'course_id' : course_id,
+            'course_id': course_id,
             }
 
         response = self.get(self.flagged_problem_list_url, params)
@@ -72,12 +73,11 @@ class ControllerQueryService(GradingService):
 
     def take_action_on_flags(self, course_id, student_id, submission_id, action_type):
         params = {
-            'course_id' : course_id,
-            'student_id' : student_id,
-            'submission_id' : submission_id,
-            'action_type' : action_type
+            'course_id': course_id,
+            'student_id': student_id,
+            'submission_id': submission_id,
+            'action_type': action_type
             }
 
         response = self.post(self.take_action_on_flags_url, params)
         return response
-
diff --git a/lms/djangoapps/open_ended_grading/open_ended_notifications.py b/lms/djangoapps/open_ended_grading/open_ended_notifications.py
index b8b323acad..f79013e396 100644
--- a/lms/djangoapps/open_ended_grading/open_ended_notifications.py
+++ b/lms/djangoapps/open_ended_grading/open_ended_notifications.py
@@ -14,7 +14,7 @@ from xmodule import peer_grading_service
 from xmodule.x_module import ModuleSystem
 from mitxmako.shortcuts import render_to_string
 
-log=logging.getLogger(__name__)
+log = logging.getLogger(__name__)
 
 NOTIFICATION_CACHE_TIME = 300
 KEY_PREFIX = "open_ended_"
@@ -26,10 +26,11 @@ NOTIFICATION_TYPES = (
     ('flagged_submissions_exist', 'open_ended_flagged_problems', 'Flagged Submissions')
     )
 
+
 def staff_grading_notifications(course, user):
     staff_gs = StaffGradingService(settings.STAFF_GRADING_INTERFACE)
-    pending_grading=False
-    img_path= ""
+    pending_grading = False
+    img_path = ""
     course_id = course.id
     student_id = unique_id_for_user(user)
     notification_type = "staff"
@@ -42,7 +43,7 @@ def staff_grading_notifications(course, user):
         notifications = json.loads(staff_gs.get_notifications(course_id))
         if notifications['success']:
             if notifications['staff_needs_to_grade']:
-                pending_grading=True
+                pending_grading = True
     except:
         #Non catastrophic error, so no real action
         notifications = {}
@@ -51,17 +52,18 @@ def staff_grading_notifications(course, user):
     if pending_grading:
         img_path = "/static/images/slider-handle.png"
 
-    notification_dict = {'pending_grading' : pending_grading, 'img_path' : img_path, 'response' : notifications}
+    notification_dict = {'pending_grading': pending_grading, 'img_path': img_path, 'response': notifications}
 
     set_value_in_cache(student_id, course_id, notification_type, notification_dict)
 
     return notification_dict
 
+
 def peer_grading_notifications(course, user):
-    system = ModuleSystem(None,None,None,render_to_string,None)
+    system = ModuleSystem(None, None, None, render_to_string, None)
     peer_gs = peer_grading_service.PeerGradingService(settings.PEER_GRADING_INTERFACE, system)
-    pending_grading=False
-    img_path= ""
+    pending_grading = False
+    img_path = ""
     course_id = course.id
     student_id = unique_id_for_user(user)
     notification_type = "peer"
@@ -71,10 +73,10 @@ def peer_grading_notifications(course, user):
         return notification_dict
 
     try:
-        notifications = json.loads(peer_gs.get_notifications(course_id,student_id))
+        notifications = json.loads(peer_gs.get_notifications(course_id, student_id))
         if notifications['success']:
             if notifications['student_needs_to_peer_grade']:
-                pending_grading=True
+                pending_grading = True
     except:
         #Non catastrophic error, so no real action
         notifications = {}
@@ -83,12 +85,13 @@ def peer_grading_notifications(course, user):
     if pending_grading:
         img_path = "/static/images/slider-handle.png"
 
-    notification_dict = {'pending_grading' : pending_grading, 'img_path' : img_path, 'response' : notifications}
+    notification_dict = {'pending_grading': pending_grading, 'img_path': img_path, 'response': notifications}
 
     set_value_in_cache(student_id, course_id, notification_type, notification_dict)
 
     return notification_dict
 
+
 def combined_notifications(course, user):
     controller_url = open_ended_util.get_controller_url()
     controller_qs = ControllerQueryService(controller_url)
@@ -102,24 +105,24 @@ def combined_notifications(course, user):
         return notification_dict
 
     min_time_to_query = user.last_login
-    last_module_seen = StudentModule.objects.filter(student=user, course_id = course_id, modified__gt=min_time_to_query).values('modified').order_by('-modified')
+    last_module_seen = StudentModule.objects.filter(student=user, course_id=course_id, modified__gt=min_time_to_query).values('modified').order_by('-modified')
     last_module_seen_count = last_module_seen.count()
 
-    if last_module_seen_count>0:
+    if last_module_seen_count > 0:
         last_time_viewed = last_module_seen[0]['modified'] - datetime.timedelta(seconds=(NOTIFICATION_CACHE_TIME + 60))
     else:
         last_time_viewed = user.last_login
 
-    pending_grading= False
+    pending_grading = False
 
-    img_path= ""
+    img_path = ""
     try:
-        controller_response = controller_qs.check_combined_notifications(course.id,student_id, user_is_staff, last_time_viewed)
+        controller_response = controller_qs.check_combined_notifications(course.id, student_id, user_is_staff, last_time_viewed)
         log.debug(controller_response)
         notifications = json.loads(controller_response)
         if notifications['success']:
             if notifications['overall_need_to_check']:
-                pending_grading=True
+                pending_grading = True
     except:
         #Non catastrophic error, so no real action
         notifications = {}
@@ -128,36 +131,41 @@ def combined_notifications(course, user):
     if pending_grading:
         img_path = "/static/images/slider-handle.png"
 
-    notification_dict = {'pending_grading' : pending_grading, 'img_path' : img_path, 'response' : notifications}
+    notification_dict = {'pending_grading': pending_grading, 'img_path': img_path, 'response': notifications}
 
     set_value_in_cache(student_id, course_id, notification_type, notification_dict)
 
     return notification_dict
 
+
 def get_value_from_cache(student_id, course_id, notification_type):
     key_name = create_key_name(student_id, course_id, notification_type)
     success, value = _get_value_from_cache(key_name)
     return success, value
 
+
 def set_value_in_cache(student_id, course_id, notification_type, value):
     key_name = create_key_name(student_id, course_id, notification_type)
     _set_value_in_cache(key_name, value)
 
+
 def create_key_name(student_id, course_id, notification_type):
     key_name = "{prefix}{type}_{course}_{student}".format(prefix=KEY_PREFIX, type=notification_type, course=course_id, student=student_id)
     return key_name
 
+
 def _get_value_from_cache(key_name):
     value = cache.get(key_name)
     success = False
     if value is None:
-        return success , value
+        return success, value
     try:
         value = json.loads(value)
         success = True
     except:
         pass
-    return success , value
+    return success, value
+
 
 def _set_value_in_cache(key_name, value):
-    cache.set(key_name, json.dumps(value), NOTIFICATION_CACHE_TIME)
\ No newline at end of file
+    cache.set(key_name, json.dumps(value), NOTIFICATION_CACHE_TIME)
diff --git a/lms/djangoapps/open_ended_grading/open_ended_util.py b/lms/djangoapps/open_ended_grading/open_ended_util.py
index 07744d7d2c..1aa0f1ba70 100644
--- a/lms/djangoapps/open_ended_grading/open_ended_util.py
+++ b/lms/djangoapps/open_ended_grading/open_ended_util.py
@@ -1,12 +1,13 @@
 from django.conf import settings
 import logging
 
-log=logging.getLogger(__name__)
+log = logging.getLogger(__name__)
+
 
 def get_controller_url():
     peer_grading_url = settings.PEER_GRADING_INTERFACE['url']
     split_url = peer_grading_url.split("/")
     controller_url = "http://" + split_url[2] + "/grading_controller"
-    controller_settings=settings.PEER_GRADING_INTERFACE.copy()
+    controller_settings = settings.PEER_GRADING_INTERFACE.copy()
     controller_settings['url'] = controller_url
     return controller_settings
diff --git a/lms/djangoapps/open_ended_grading/staff_grading.py b/lms/djangoapps/open_ended_grading/staff_grading.py
index 7a48b25a49..e39b26da56 100644
--- a/lms/djangoapps/open_ended_grading/staff_grading.py
+++ b/lms/djangoapps/open_ended_grading/staff_grading.py
@@ -22,4 +22,3 @@ class StaffGrading(object):
         return "<b>Instructor grading!</b>"
         # context = {}
         # return render_to_string('courseware/instructor_grading_view.html', context)
-
diff --git a/lms/djangoapps/open_ended_grading/staff_grading_service.py b/lms/djangoapps/open_ended_grading/staff_grading_service.py
index d8bee99ac7..dfadacb724 100644
--- a/lms/djangoapps/open_ended_grading/staff_grading_service.py
+++ b/lms/djangoapps/open_ended_grading/staff_grading_service.py
@@ -21,6 +21,7 @@ from mitxmako.shortcuts import render_to_string
 
 log = logging.getLogger(__name__)
 
+
 class MockStaffGradingService(object):
     """
     A simple mockup of a staff grading service, testing.
@@ -28,7 +29,7 @@ class MockStaffGradingService(object):
     def __init__(self):
         self.cnt = 0
 
-    def get_next(self,course_id, location, grader_id):
+    def get_next(self, course_id, location, grader_id):
         self.cnt += 1
         return json.dumps({'success': True,
                            'submission_id': self.cnt,
@@ -61,7 +62,7 @@ class StaffGradingService(GradingService):
     Interface to staff grading backend.
     """
     def __init__(self, config):
-        config['system'] = ModuleSystem(None,None,None,render_to_string,None)
+        config['system'] = ModuleSystem(None, None, None, render_to_string, None)
         super(StaffGradingService, self).__init__(config)
         self.get_next_url = self.url + '/get_next_submission/'
         self.save_grade_url = self.url + '/save_grade/'
@@ -85,7 +86,7 @@ class StaffGradingService(GradingService):
         Raises:
             GradingServiceError: something went wrong with the connection.
         """
-        params = {'course_id': course_id,'grader_id': grader_id}
+        params = {'course_id': course_id, 'grader_id': grader_id}
         return self.get(self.get_problem_list_url, params)
 
 
@@ -166,6 +167,7 @@ def staff_grading_service():
 
     return _service
 
+
 def _err_response(msg):
     """
     Return a HttpResponse with a json dump with success=False, and the given error message.
@@ -329,4 +331,3 @@ def save_grade(request, course_id):
     # Ok, save_grade seemed to work.  Get the next submission to grade.
     return HttpResponse(_get_next(course_id, grader_id, location),
                         mimetype="application/json")
-
diff --git a/lms/djangoapps/open_ended_grading/tests.py b/lms/djangoapps/open_ended_grading/tests.py
index 3ee8352c5c..ec2fe5ab38 100644
--- a/lms/djangoapps/open_ended_grading/tests.py
+++ b/lms/djangoapps/open_ended_grading/tests.py
@@ -22,7 +22,7 @@ from mitxmako.shortcuts import render_to_string
 
 import logging
 log = logging.getLogger(__name__)
-from override_settings import override_settings
+from django.test.utils import override_settings
 from django.http import QueryDict
 
 
@@ -44,7 +44,7 @@ class TestStaffGradingService(ct.PageLoader):
         self.create_account('u2', self.instructor, self.password)
         self.activate_user(self.student)
         self.activate_user(self.instructor)
-        
+
         self.course_id = "edX/toy/2012_Fall"
         self.toy = modulestore().get_course(self.course_id)
         def make_instructor(course):
@@ -118,7 +118,7 @@ class TestStaffGradingService(ct.PageLoader):
         self.assertTrue(d['success'], str(d))
         self.assertIsNotNone(d['problem_list'])
 
-    
+
 @override_settings(MODULESTORE=ct.TEST_DATA_XML_MODULESTORE)
 class TestPeerGradingService(ct.PageLoader):
     '''
@@ -137,7 +137,7 @@ class TestPeerGradingService(ct.PageLoader):
         self.create_account('u2', self.instructor, self.password)
         self.activate_user(self.student)
         self.activate_user(self.instructor)
-        
+
         self.course_id = "edX/toy/2012_Fall"
         self.toy = modulestore().get_course(self.course_id)
         location = "i4x://edX/toy/peergrading/init"
@@ -146,7 +146,7 @@ class TestPeerGradingService(ct.PageLoader):
         self.system = ModuleSystem(location, None, None, render_to_string, None)
         self.descriptor = peer_grading_module.PeerGradingDescriptor(self.system)
 
-        self.peer_module = peer_grading_module.PeerGradingModule(self.system,location,"<peergrading/>",self.descriptor)
+        self.peer_module = peer_grading_module.PeerGradingModule(self.system, location, "<peergrading/>", self.descriptor)
         self.peer_module.peer_gs = self.mock_service
         self.logout()
 
@@ -171,7 +171,7 @@ class TestPeerGradingService(ct.PageLoader):
     def test_save_grade_success(self):
         raise SkipTest()
         data = 'rubric_scores[]=1|rubric_scores[]=2|location=' + self.location + '|submission_id=1|submission_key=fake key|score=2|feedback=feedback|submission_flagged=False'
-        qdict = QueryDict(data.replace("|","&"))
+        qdict = QueryDict(data.replace("|", "&"))
         r = self.peer_module.save_grade(qdict)
         d = r
         self.assertTrue(d['success'])
@@ -222,7 +222,7 @@ class TestPeerGradingService(ct.PageLoader):
     def test_save_calibration_essay_success(self):
         raise SkipTest()
         data = 'rubric_scores[]=1|rubric_scores[]=2|location=' + self.location + '|submission_id=1|submission_key=fake key|score=2|feedback=feedback|submission_flagged=False'
-        qdict = QueryDict(data.replace("|","&"))
+        qdict = QueryDict(data.replace("|", "&"))
         r = self.peer_module.save_calibration_essay(qdict)
         d = r
         self.assertTrue(d['success'])
@@ -235,4 +235,3 @@ class TestPeerGradingService(ct.PageLoader):
         self.assertFalse(d['success'])
         self.assertTrue(d['error'].find('Missing required keys:') > -1)
         self.assertFalse('actual_score' in d)
-
diff --git a/lms/djangoapps/open_ended_grading/views.py b/lms/djangoapps/open_ended_grading/views.py
index af7f930207..f2e2a4513e 100644
--- a/lms/djangoapps/open_ended_grading/views.py
+++ b/lms/djangoapps/open_ended_grading/views.py
@@ -10,7 +10,7 @@ from mitxmako.shortcuts import render_to_response
 from django.core.urlresolvers import reverse
 
 from student.models import unique_id_for_user
-from courseware.courses import get_course_with_access 
+from courseware.courses import get_course_with_access
 
 from controller_query_service import ControllerQueryService
 from xmodule.grading_service_module import GradingServiceError
@@ -38,12 +38,15 @@ Reverses the URL from the name and the course id, and then adds a trailing slash
 it does not exist yet
 
 """
+
+
 def _reverse_with_slash(url_name, course_id):
     ajax_url = _reverse_without_slash(url_name, course_id)
     if not ajax_url.endswith('/'):
         ajax_url += '/'
     return ajax_url
 
+
 def _reverse_without_slash(url_name, course_id):
     ajax_url = reverse(url_name, kwargs={'course_id': course_id})
     return ajax_url
@@ -52,14 +55,16 @@ DESCRIPTION_DICT = {
             'Peer Grading': "View all problems that require peer assessment in this particular course.",
             'Staff Grading': "View ungraded submissions submitted by students for the open ended problems in the course.",
             'Problems you have submitted': "View open ended problems that you have previously submitted for grading.",
-            'Flagged Submissions' : "View submissions that have been flagged by students as inappropriate."
+            'Flagged Submissions': "View submissions that have been flagged by students as inappropriate."
     }
 ALERT_DICT = {
             'Peer Grading': "New submissions to grade",
             'Staff Grading': "New submissions to grade",
             'Problems you have submitted': "New grades have been returned",
-            'Flagged Submissions' : "Submissions have been flagged for review"
+            'Flagged Submissions': "Submissions have been flagged for review"
     }
+
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def staff_grading(request, course_id):
     """
@@ -68,7 +73,7 @@ def staff_grading(request, course_id):
     course = get_course_with_access(request.user, course_id, 'staff')
 
     ajax_url = _reverse_with_slash('staff_grading', course_id)
-        
+
     return render_to_response('instructor/staff_grading.html', {
         'course': course,
         'course_id': course_id,
@@ -76,6 +81,7 @@ def staff_grading(request, course_id):
         # Checked above
         'staff_access': True, })
 
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def peer_grading(request, course_id):
     '''
@@ -98,6 +104,7 @@ def peer_grading(request, course_id):
         log.exception(error_message + "Current course is: {0}".format(course_id))
         return HttpResponse(error_message)
 
+
 def generate_problem_url(problem_url_parts, base_course_url):
     """
     From a list of problem url parts generated by search.path_to_location and a base course url, generates a url to a problem
@@ -106,10 +113,10 @@ def generate_problem_url(problem_url_parts, base_course_url):
     @return: A path to the problem
     """
     problem_url = base_course_url + "/"
-    for z in xrange(0,len(problem_url_parts)):
+    for z in xrange(0, len(problem_url_parts)):
         part = problem_url_parts[z]
         if part is not None:
-            if z==1:
+            if z == 1:
                 problem_url += "courseware/"
             problem_url += part + "/"
     return problem_url
@@ -139,10 +146,10 @@ def student_problem_list(request, course_id):
     else:
         problem_list = problem_list_dict['problem_list']
 
-    for i in xrange(0,len(problem_list)):
+    for i in xrange(0, len(problem_list)):
         problem_url_parts = search.path_to_location(modulestore(), course.id, problem_list[i]['location'])
         problem_url = generate_problem_url(problem_url_parts, base_course_url)
-        problem_list[i].update({'actual_url' : problem_url})
+        problem_list[i].update({'actual_url': problem_url})
 
     """
     except GradingServiceError:
@@ -166,6 +173,7 @@ def student_problem_list(request, course_id):
         # Checked above
         'staff_access': False, })
 
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def flagged_problem_list(request, course_id):
     '''
@@ -186,7 +194,7 @@ def flagged_problem_list(request, course_id):
         success = problem_list_dict['success']
         if 'error' in problem_list_dict:
             error_text = problem_list_dict['error']
-            problem_list=[]
+            problem_list = []
         else:
             problem_list = problem_list_dict['flagged_submissions']
 
@@ -211,6 +219,7 @@ def flagged_problem_list(request, course_id):
     }
     return render_to_response('open_ended_problems/open_ended_flagged_problems.html', context)
 
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def combined_notifications(request, course_id):
     """
@@ -220,11 +229,11 @@ def combined_notifications(request, course_id):
     user = request.user
     notifications = open_ended_notifications.combined_notifications(course, user)
     response = notifications['response']
-    notification_tuples=open_ended_notifications.NOTIFICATION_TYPES
+    notification_tuples = open_ended_notifications.NOTIFICATION_TYPES
 
     notification_list = []
-    for response_num in xrange(0,len(notification_tuples)):
-        tag=notification_tuples[response_num][0]
+    for response_num in xrange(0, len(notification_tuples)):
+        tag = notification_tuples[response_num][0]
         if tag in response:
             url_name = notification_tuples[response_num][1]
             human_name = notification_tuples[response_num][2]
@@ -241,11 +250,11 @@ def combined_notifications(request, course_id):
                 alert_message = ALERT_DICT[human_name]
             else:
                 alert_message = ""
-                
+
             notification_item = {
-                'url' : url,
-                'name' : human_name,
-                'alert' : has_img,
+                'url': url,
+                'name': human_name,
+                'alert': has_img,
                 'description': description,
                 'alert_message': alert_message
             }
@@ -253,17 +262,18 @@ def combined_notifications(request, course_id):
 
     ajax_url = _reverse_with_slash('open_ended_notifications', course_id)
     combined_dict = {
-        'error_text' : "",
-        'notification_list' : notification_list,
-        'course' : course,
-        'success' : True,
-        'ajax_url' : ajax_url,
+        'error_text': "",
+        'notification_list': notification_list,
+        'course': course,
+        'success': True,
+        'ajax_url': ajax_url,
     }
 
     return render_to_response('open_ended_problems/combined_notifications.html',
         combined_dict
     )
 
+
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 def take_action_on_flags(request, course_id):
     """
@@ -293,5 +303,3 @@ def take_action_on_flags(request, course_id):
     except GradingServiceError:
         log.exception("Error saving calibration grade, submission_id: {0}, submission_key: {1}, grader_id: {2}".format(submission_id, submission_key, grader_id))
         return _err_response('Could not connect to grading service')
-    
-
diff --git a/lms/djangoapps/portal/features/common.py b/lms/djangoapps/portal/features/common.py
index 20c2ab56b8..8bfb548367 100644
--- a/lms/djangoapps/portal/features/common.py
+++ b/lms/djangoapps/portal/features/common.py
@@ -1,4 +1,4 @@
-from lettuce import world, step#, before, after
+from lettuce import world, step  # , before, after
 from factories import *
 from django.core.management import call_command
 from nose.tools import assert_equals, assert_in
@@ -11,74 +11,90 @@ import time
 from logging import getLogger
 logger = getLogger(__name__)
 
+
 @step(u'I wait (?:for )?"(\d+)" seconds?$')
 def wait(step, seconds):
     time.sleep(float(seconds))
 
+
 @step('I (?:visit|access|open) the homepage$')
 def i_visit_the_homepage(step):
     world.browser.visit(django_url('/'))
     assert world.browser.is_element_present_by_css('header.global', 10)
 
+
 @step(u'I (?:visit|access|open) the dashboard$')
 def i_visit_the_dashboard(step):
     world.browser.visit(django_url('/dashboard'))
     assert world.browser.is_element_present_by_css('section.container.dashboard', 5)
 
+
 @step(r'click (?:the|a) link (?:called|with the text) "([^"]*)"$')
 def click_the_link_called(step, text):
     world.browser.find_link_by_text(text).click()
 
+
 @step('I should be on the dashboard page$')
 def i_should_be_on_the_dashboard(step):
     assert world.browser.is_element_present_by_css('section.container.dashboard', 5)
     assert world.browser.title == 'Dashboard'
 
+
 @step(u'I (?:visit|access|open) the courses page$')
 def i_am_on_the_courses_page(step):
     world.browser.visit(django_url('/courses'))
     assert world.browser.is_element_present_by_css('section.courses')
 
+
 @step('I should see that the path is "([^"]*)"$')
 def i_should_see_that_the_path_is(step, path):
     assert world.browser.url == django_url(path)
 
+
 @step(u'the page title should be "([^"]*)"$')
 def the_page_title_should_be(step, title):
     assert world.browser.title == title
 
+
 @step(r'should see that the url is "([^"]*)"$')
 def should_have_the_url(step, url):
     assert_equals(world.browser.url, url)
 
+
 @step(r'should see (?:the|a) link (?:called|with the text) "([^"]*)"$')
 def should_see_a_link_called(step, text):
     assert len(world.browser.find_link_by_text(text)) > 0
 
+
 @step(r'should see "(.*)" (?:somewhere|anywhere) in (?:the|this) page')
 def should_see_in_the_page(step, text):
     assert_in(text, world.browser.html)
 
+
 @step('I am logged in$')
 def i_am_logged_in(step):
     world.create_user('robot')
     world.log_in('robot@edx.org', 'test')
 
+
 @step('I am not logged in$')
 def i_am_not_logged_in(step):
     world.browser.cookies.delete()
 
+
 @step(u'I am registered for a course$')
 def i_am_registered_for_a_course(step):
     world.create_user('robot')
     u = User.objects.get(username='robot')
     CourseEnrollment.objects.create(user=u, course_id='MITx/6.002x/2012_Fall')
     world.log_in('robot@edx.org', 'test')
-    
+
+
 @step(u'I am an edX user$')
 def i_am_an_edx_user(step):
     world.create_user('robot')
 
+
 @step(u'User "([^"]*)" is an edX user$')
 def registered_edx_user(step, uname):
     world.create_user(uname)
diff --git a/lms/djangoapps/portal/features/factories.py b/lms/djangoapps/portal/features/factories.py
index 07b615f468..71781ea3d6 100644
--- a/lms/djangoapps/portal/features/factories.py
+++ b/lms/djangoapps/portal/features/factories.py
@@ -3,6 +3,7 @@ from student.models import User, UserProfile, Registration
 from datetime import datetime
 import uuid
 
+
 class UserProfileFactory(factory.Factory):
     FACTORY_FOR = UserProfile
 
@@ -13,12 +14,14 @@ class UserProfileFactory(factory.Factory):
     mailing_address = None
     goals = 'World domination'
 
+
 class RegistrationFactory(factory.Factory):
     FACTORY_FOR = Registration
 
     user = None
     activation_key = uuid.uuid4().hex
 
+
 class UserFactory(factory.Factory):
     FACTORY_FOR = User
 
diff --git a/lms/djangoapps/portal/features/homepage.py b/lms/djangoapps/portal/features/homepage.py
index 638d65077c..442098c161 100644
--- a/lms/djangoapps/portal/features/homepage.py
+++ b/lms/djangoapps/portal/features/homepage.py
@@ -1,6 +1,7 @@
 from lettuce import world, step
 from nose.tools import assert_in
 
+
 @step('I should see "([^"]*)" in the Partners section$')
 def i_should_see_partner(step, partner):
     partners = world.browser.find_by_css(".partner .name span")
diff --git a/lms/djangoapps/portal/features/login.py b/lms/djangoapps/portal/features/login.py
index 5f200eb259..094db078ca 100644
--- a/lms/djangoapps/portal/features/login.py
+++ b/lms/djangoapps/portal/features/login.py
@@ -1,26 +1,31 @@
 from lettuce import step, world
 from django.contrib.auth.models import User
 
+
 @step('I am an unactivated user$')
 def i_am_an_unactivated_user(step):
     user_is_an_unactivated_user('robot')
 
+
 @step('I am an activated user$')
 def i_am_an_activated_user(step):
     user_is_an_activated_user('robot')
 
+
 @step('I submit my credentials on the login form')
 def i_submit_my_credentials_on_the_login_form(step):
     fill_in_the_login_form('email', 'robot@edx.org')
     fill_in_the_login_form('password', 'test')
     login_form = world.browser.find_by_css('form#login_form')
     login_form.find_by_value('Access My Courses').click()
-    
+
+
 @step(u'I should see the login error message "([^"]*)"$')
 def i_should_see_the_login_error_message(step, msg):
     login_error_div = world.browser.find_by_css('form#login_form #login_error')
     assert (msg in login_error_div.text)
 
+
 @step(u'click the dropdown arrow$')
 def click_the_dropdown(step):
     css = ".dropdown"
@@ -29,16 +34,19 @@ def click_the_dropdown(step):
 
 #### helper functions
 
+
 def user_is_an_unactivated_user(uname):
     u = User.objects.get(username=uname)
     u.is_active = False
     u.save()
 
+
 def user_is_an_activated_user(uname):
     u = User.objects.get(username=uname)
     u.is_active = True
     u.save()
 
+
 def fill_in_the_login_form(field, value):
     login_form = world.browser.find_by_css('form#login_form')
     form_field = login_form.find_by_name(field)
diff --git a/lms/djangoapps/portal/features/registration.py b/lms/djangoapps/portal/features/registration.py
index 124bed4923..b2b4c4bd8d 100644
--- a/lms/djangoapps/portal/features/registration.py
+++ b/lms/djangoapps/portal/features/registration.py
@@ -1,5 +1,6 @@
 from lettuce import world, step
 
+
 @step('I register for the course numbered "([^"]*)"$')
 def i_register_for_the_course(step, course):
     courses_section = world.browser.find_by_css('section.courses')
@@ -13,11 +14,13 @@ def i_register_for_the_course(step, course):
 
     assert world.browser.is_element_present_by_css('section.container.dashboard')
 
+
 @step(u'I should see the course numbered "([^"]*)" in my dashboard$')
 def i_should_see_that_course_in_my_dashboard(step, course):
     course_link_css = 'section.my-courses a[href*="%s"]' % course
     assert world.browser.is_element_present_by_css(course_link_css)
 
+
 @step(u'I press the "([^"]*)" button in the Unenroll dialog')
 def i_press_the_button_in_the_unenroll_dialog(step, value):
     button_css = 'section#unenroll-modal input[value="%s"]' % value
diff --git a/lms/djangoapps/portal/features/signup.py b/lms/djangoapps/portal/features/signup.py
index afde72b589..3a697a6102 100644
--- a/lms/djangoapps/portal/features/signup.py
+++ b/lms/djangoapps/portal/features/signup.py
@@ -1,22 +1,25 @@
 from lettuce import world, step
 
+
 @step('I fill in "([^"]*)" on the registration form with "([^"]*)"$')
 def when_i_fill_in_field_on_the_registration_form_with_value(step, field, value):
     register_form = world.browser.find_by_css('form#register_form')
     form_field = register_form.find_by_name(field)
     form_field.fill(value)
 
+
 @step('I press the "([^"]*)" button on the registration form$')
 def i_press_the_button_on_the_registration_form(step, button):
     register_form = world.browser.find_by_css('form#register_form')
     register_form.find_by_value(button).click()
 
+
 @step('I check the checkbox named "([^"]*)"$')
 def i_check_checkbox(step, checkbox):
     world.browser.find_by_name(checkbox).check()
 
+
 @step('I should see "([^"]*)" in the dashboard banner$')
 def i_should_see_text_in_the_dashboard_banner_section(step, text):
     css_selector = "section.dashboard-banner h2"
     assert (text in world.browser.find_by_css(css_selector).text)
-    
\ No newline at end of file
diff --git a/lms/djangoapps/psychometrics/management/commands/init_psychometrics.py b/lms/djangoapps/psychometrics/management/commands/init_psychometrics.py
index 5e782df595..53f6e17e9d 100644
--- a/lms/djangoapps/psychometrics/management/commands/init_psychometrics.py
+++ b/lms/djangoapps/psychometrics/management/commands/init_psychometrics.py
@@ -2,7 +2,9 @@
 #
 # generate pyschometrics data from tracking logs and student module data
 
-import os, sys, string
+import os
+import sys
+import string
 import datetime
 import json
 
@@ -17,7 +19,7 @@ from django.core.management.base import BaseCommand
 #db = "ocwtutor"	# for debugging
 #db = "default"
 
-db = getattr(settings,'DATABASE_FOR_PSYCHOMETRICS','default')
+db = getattr(settings, 'DATABASE_FOR_PSYCHOMETRICS', 'default')
 
 
 class Command(BaseCommand):
@@ -32,39 +34,39 @@ class Command(BaseCommand):
         #PsychometricData.objects.using(db).all().delete()
 
         smset = StudentModule.objects.using(db).exclude(max_grade=None)
-        
+
         for sm in smset:
             url = sm.module_state_key
             location = Location(url)
-            if not location.category=="problem":
+            if not location.category == "problem":
                 continue
             try:
                 state = json.loads(sm.state)
                 done = state['done']
             except:
-                print "Oops, failed to eval state for %s (state=%s)" % (sm,sm.state)
+                print "Oops, failed to eval state for %s (state=%s)" % (sm, sm.state)
                 continue
-            
+
             if done:			# only keep if problem completed
                 try:
                     pmd = PsychometricData.objects.using(db).get(studentmodule=sm)
                 except PsychometricData.DoesNotExist:
                     pmd = PsychometricData(studentmodule=sm)
-        
+
                 pmd.done = done
                 pmd.attempts = state['attempts']
-        
+
                 # get attempt times from tracking log
                 uname = sm.student.username
-                tset = TrackingLog.objects.using(db).filter(username=uname, event_type__contains='save_problem_check')        
+                tset = TrackingLog.objects.using(db).filter(username=uname, event_type__contains='save_problem_check')
                 tset = tset.filter(event_source='server')
                 tset = tset.filter(event__contains="'%s'" % url)
                 checktimes = [x.dtcreated for x in tset]
                 pmd.checktimes = checktimes
-                if not len(checktimes)==pmd.attempts:
+                if not len(checktimes) == pmd.attempts:
                     print "Oops, mismatch in number of attempts and check times for %s" % pmd
-        
+
                 #print pmd
                 pmd.save(using=db)
-        
+
         print "%d PMD entries" % PsychometricData.objects.using(db).all().count()
diff --git a/lms/djangoapps/psychometrics/models.py b/lms/djangoapps/psychometrics/models.py
index 4ffdf59120..60455f01b8 100644
--- a/lms/djangoapps/psychometrics/models.py
+++ b/lms/djangoapps/psychometrics/models.py
@@ -7,6 +7,7 @@
 from django.db import models
 from courseware.models import StudentModule
 
+
 class PsychometricData(models.Model):
     """
     This data is a table linking student, module, and module performance,
@@ -25,7 +26,7 @@ class PsychometricData(models.Model):
 
     done = models.BooleanField(default=False)
     attempts = models.IntegerField(default=0)			# extracted from studentmodule.state
-    checktimes = models.TextField(null=True, blank=True)	# internally stored as list of datetime objects
+    checktimes = models.TextField(null=True, blank=True)  	# internally stored as list of datetime objects
 
     # keep in mind
     # grade = studentmodule.grade
@@ -33,7 +34,7 @@ class PsychometricData(models.Model):
     # student = studentmodule.student
     # course_id = studentmodule.course_id
     # location = studentmodule.module_state_key
-    
+
     def __unicode__(self):
         sm = self.studentmodule
         return "[PsychometricData] %s url=%s, grade=%s, max=%s, attempts=%s, ct=%s" % (sm.student,
@@ -42,4 +43,3 @@ class PsychometricData(models.Model):
                                                                                        sm.max_grade,
                                                                                        self.attempts,
                                                                                        self.checktimes)
-    
diff --git a/lms/djangoapps/psychometrics/psychoanalyze.py b/lms/djangoapps/psychometrics/psychoanalyze.py
index dd7d328278..28a5c4437c 100644
--- a/lms/djangoapps/psychometrics/psychoanalyze.py
+++ b/lms/djangoapps/psychometrics/psychoanalyze.py
@@ -66,7 +66,7 @@ class StatVar(object):
             if x > self.max:
                 self.max = x
         self.sum += x
-        self.sum2 += x**2
+        self.sum2 += x ** 2
         self.cnt += 1
 
     def avg(self):
@@ -77,11 +77,11 @@ class StatVar(object):
     def var(self):
         if self.cnt is None:
             return 0
-        return (self.sum2 / 1.0 / self.cnt / (self.unit**2)) - (self.avg()**2)
+        return (self.sum2 / 1.0 / self.cnt / (self.unit ** 2)) - (self.avg() ** 2)
 
     def sdv(self):
         v = self.var()
-        if v>0:
+        if v > 0:
             return math.sqrt(v)
         else:
             return 0
@@ -112,7 +112,7 @@ def make_histogram(ydata, bins=None):
     hist = dict(zip(bins, [0] * nbins))
     for y in ydata:
         for b in bins[::-1]:    # in reverse order
-            if y>b:
+            if y > b:
                 hist[b] += 1
                 break
     # hist['bins'] = bins
@@ -128,7 +128,7 @@ def problems_with_psychometric_data(course_id):
     '''
     pmdset = PsychometricData.objects.using(db).filter(studentmodule__course_id=course_id)
     plist = [p['studentmodule__module_state_key'] for p in pmdset.values('studentmodule__module_state_key').distinct()]
-    problems = dict( (p, pmdset.filter(studentmodule__module_state_key=p).count()) for p in plist )
+    problems = dict((p, pmdset.filter(studentmodule__module_state_key=p).count()) for p in plist)
 
     return problems
 
@@ -241,7 +241,7 @@ def generate_plots_for_problem(problem):
         ylast = 0
         for x in xdat:
             y = gset.filter(attempts=x).count() / ngset
-            ydat.append( y + ylast )
+            ydat.append(y + ylast)
             ylast = y + ylast
         yset['ydat'] = ydat
 
diff --git a/lms/djangoapps/simplewiki/mdx_mathjax.py b/lms/djangoapps/simplewiki/mdx_mathjax.py
index a9148511e3..b14803744b 100644
--- a/lms/djangoapps/simplewiki/mdx_mathjax.py
+++ b/lms/djangoapps/simplewiki/mdx_mathjax.py
@@ -28,4 +28,3 @@ class MathJaxExtension(markdown.Extension):
 
 def makeExtension(configs=None):
     return MathJaxExtension(configs)
-
diff --git a/lms/djangoapps/simplewiki/views.py b/lms/djangoapps/simplewiki/views.py
index ef0928709f..38c367dec9 100644
--- a/lms/djangoapps/simplewiki/views.py
+++ b/lms/djangoapps/simplewiki/views.py
@@ -55,6 +55,7 @@ def update_template_dictionary(dictionary, request=None, course=None, article=No
     else:
         dictionary['staff_access'] = False
 
+
 def view(request, article_path, course_id=None):
     course = get_opt_course_with_access(request.user, course_id, 'load')
 
diff --git a/lms/djangoapps/static_template_view/views.py b/lms/djangoapps/static_template_view/views.py
index 8ab6216eda..022f12b148 100644
--- a/lms/djangoapps/static_template_view/views.py
+++ b/lms/djangoapps/static_template_view/views.py
@@ -46,4 +46,3 @@ def render_404(request):
 
 def render_500(request):
     return HttpResponseServerError(render_to_string('static_templates/server-error.html', {}))
-
diff --git a/lms/djangoapps/staticbook/views.py b/lms/djangoapps/staticbook/views.py
index fabb8b861c..6750d151ce 100644
--- a/lms/djangoapps/staticbook/views.py
+++ b/lms/djangoapps/staticbook/views.py
@@ -6,6 +6,7 @@ from courseware.access import has_access
 from courseware.courses import get_course_with_access
 from lxml import etree
 
+
 @login_required
 def index(request, course_id, book_index, page=None):
     course = get_course_with_access(request.user, course_id, 'load')
@@ -22,9 +23,10 @@ def index(request, course_id, book_index, page=None):
                               {'book_index': book_index, 'page': int(page),
                                'course': course, 'book_url': textbook.book_url,
                                'table_of_contents': table_of_contents,
-                               'start_page' : textbook.start_page,
-                               'end_page' : textbook.end_page,
+                               'start_page': textbook.start_page,
+                               'end_page': textbook.end_page,
                                'staff_access': staff_access})
 
+
 def index_shifted(request, course_id, page):
     return index(request, course_id=course_id, page=int(page) + 24)
diff --git a/lms/djangoapps/terrain/__init__.py b/lms/djangoapps/terrain/__init__.py
index dd6869e7fd..3445a01d17 100644
--- a/lms/djangoapps/terrain/__init__.py
+++ b/lms/djangoapps/terrain/__init__.py
@@ -3,4 +3,4 @@
 # See https://groups.google.com/forum/?fromgroups=#!msg/lettuce-users/5VyU9B4HcX8/USgbGIJdS5QJ
 from terrain.browser import *
 from terrain.steps import *
-from terrain.factories import *
\ No newline at end of file
+from terrain.factories import *
diff --git a/lms/djangoapps/terrain/browser.py b/lms/djangoapps/terrain/browser.py
index 1c2d401680..e1925bde0b 100644
--- a/lms/djangoapps/terrain/browser.py
+++ b/lms/djangoapps/terrain/browser.py
@@ -8,20 +8,23 @@ logger.info("Loading the lettuce acceptance testing terrain file...")
 
 from django.core.management import call_command
 
+
 @before.harvest
 def initial_setup(server):
     # Launch firefox
     world.browser = Browser('chrome')
 
+
 @before.each_scenario
 def reset_data(scenario):
-    # Clean out the django test database defined in the 
+    # Clean out the django test database defined in the
     # envs/acceptance.py file: mitx_all/db/test_mitx.db
     logger.debug("Flushing the test database...")
     call_command('flush', interactive=False)
 
+
 @after.all
 def teardown_browser(total):
     # Quit firefox
     world.browser.quit()
-    pass
\ No newline at end of file
+    pass
diff --git a/lms/djangoapps/terrain/factories.py b/lms/djangoapps/terrain/factories.py
index 377ce54d56..896f115df5 100644
--- a/lms/djangoapps/terrain/factories.py
+++ b/lms/djangoapps/terrain/factories.py
@@ -7,6 +7,7 @@ from time import gmtime
 from uuid import uuid4
 from xmodule.timeparse import stringify_time
 
+
 class UserProfileFactory(Factory):
     FACTORY_FOR = UserProfile
 
@@ -17,12 +18,14 @@ class UserProfileFactory(Factory):
     mailing_address = None
     goals = 'World domination'
 
+
 class RegistrationFactory(Factory):
     FACTORY_FOR = Registration
 
     user = None
     activation_key = uuid4().hex
 
+
 class UserFactory(Factory):
     FACTORY_FOR = User
 
@@ -37,12 +40,15 @@ class UserFactory(Factory):
     last_login = datetime(2012, 1, 1)
     date_joined = datetime(2011, 1, 1)
 
-def XMODULE_COURSE_CREATION(class_to_create, **kwargs): 
+
+def XMODULE_COURSE_CREATION(class_to_create, **kwargs):
     return XModuleCourseFactory._create(class_to_create, **kwargs)
 
+
 def XMODULE_ITEM_CREATION(class_to_create, **kwargs):
     return XModuleItemFactory._create(class_to_create, **kwargs)
 
+
 class XModuleCourseFactory(Factory):
     """
     Factory for XModule courses.
@@ -58,7 +64,7 @@ class XModuleCourseFactory(Factory):
         org = kwargs.get('org')
         number = kwargs.get('number')
         display_name = kwargs.get('display_name')
-        location = Location('i4x', org, number, 
+        location = Location('i4x', org, number,
                             'course', Location.clean(display_name))
 
         store = modulestore('direct')
@@ -72,20 +78,22 @@ class XModuleCourseFactory(Factory):
 
         new_course.metadata['data_dir'] = uuid4().hex
         new_course.metadata['start'] = stringify_time(gmtime())
-        new_course.tabs = [{"type": "courseware"}, 
+        new_course.tabs = [{"type": "courseware"},
             {"type": "course_info", "name": "Course Info"}, 
             {"type": "discussion", "name": "Discussion"},
             {"type": "wiki", "name": "Wiki"},
             {"type": "progress", "name": "Progress"}]
 
         # Update the data in the mongo datastore
-        store.update_metadata(new_course.location.url(), new_course.own_metadata)   
+        store.update_metadata(new_course.location.url(), new_course.own_metadata)
 
         return new_course
 
+
 class Course:
     pass
 
+
 class CourseFactory(XModuleCourseFactory):
     FACTORY_FOR = Course
 
@@ -94,6 +102,7 @@ class CourseFactory(XModuleCourseFactory):
     number = '999'
     display_name = 'Robot Super Course'
 
+
 class XModuleItemFactory(Factory):
     """
     Factory for XModule items.
@@ -110,7 +119,7 @@ class XModuleItemFactory(Factory):
         """
 
         DETACHED_CATEGORIES = ['about', 'static_tab', 'course_info']
-        
+
         parent_location = Location(kwargs.get('parent_location'))
         template = Location(kwargs.get('template'))
         display_name = kwargs.get('display_name')
@@ -137,12 +146,14 @@ class XModuleItemFactory(Factory):
 
         return new_item
 
+
 class Item:
     pass
 
+
 class ItemFactory(XModuleItemFactory):
     FACTORY_FOR = Item
 
     parent_location = 'i4x://MITx/999/course/Robot_Super_Course'
     template = 'i4x://edx/templates/chapter/Empty'
-    display_name = 'Section One'
\ No newline at end of file
+    display_name = 'Section One'
diff --git a/lms/djangoapps/terrain/steps.py b/lms/djangoapps/terrain/steps.py
index 6824fa16ce..6b2a813d8d 100644
--- a/lms/djangoapps/terrain/steps.py
+++ b/lms/djangoapps/terrain/steps.py
@@ -15,79 +15,97 @@ import os.path
 from logging import getLogger
 logger = getLogger(__name__)
 
+
 @step(u'I wait (?:for )?"(\d+)" seconds?$')
 def wait(step, seconds):
     time.sleep(float(seconds))
 
+
 @step('I (?:visit|access|open) the homepage$')
 def i_visit_the_homepage(step):
     world.browser.visit(django_url('/'))
     assert world.browser.is_element_present_by_css('header.global', 10)
 
+
 @step(u'I (?:visit|access|open) the dashboard$')
 def i_visit_the_dashboard(step):
     world.browser.visit(django_url('/dashboard'))
     assert world.browser.is_element_present_by_css('section.container.dashboard', 5)
 
+
 @step('I should be on the dashboard page$')
 def i_should_be_on_the_dashboard(step):
     assert world.browser.is_element_present_by_css('section.container.dashboard', 5)
     assert world.browser.title == 'Dashboard'
 
+
 @step(u'I (?:visit|access|open) the courses page$')
 def i_am_on_the_courses_page(step):
     world.browser.visit(django_url('/courses'))
     assert world.browser.is_element_present_by_css('section.courses')
 
+
 @step(u'I press the "([^"]*)" button$')
 def and_i_press_the_button(step, value):
     button_css = 'input[value="%s"]' % value
     world.browser.find_by_css(button_css).first.click()
 
+
 @step(u'I click the link with the text "([^"]*)"$')
 def click_the_link_with_the_text_group1(step, linktext):
     world.browser.find_link_by_text(linktext).first.click()
 
+
 @step('I should see that the path is "([^"]*)"$')
 def i_should_see_that_the_path_is(step, path):
     assert world.browser.url == django_url(path)
 
+
 @step(u'the page title should be "([^"]*)"$')
 def the_page_title_should_be(step, title):
     assert_equals(world.browser.title, title)
 
+
 @step('I am a logged in user$')
 def i_am_logged_in_user(step):
     create_user('robot')
-    log_in('robot@edx.org','test')
+    log_in('robot@edx.org', 'test')
+
 
 @step('I am not logged in$')
 def i_am_not_logged_in(step):
     world.browser.cookies.delete()
 
+
 @step('I am registered for a course$')
 def i_am_registered_for_a_course(step):
     create_user('robot')
     u = User.objects.get(username='robot')
     CourseEnrollment.objects.get_or_create(user=u, course_id='MITx/6.002x/2012_Fall')
 
+
 @step('I am registered for course "([^"]*)"$')
 def i_am_registered_for_course_by_id(step, course_id):
     register_by_course_id(course_id)
 
+
 @step('I am staff for course "([^"]*)"$')
 def i_am_staff_for_course_by_id(step, course_id):
     register_by_course_id(course_id, True)
 
+
 @step('I log in$')
 def i_log_in(step):
-    log_in('robot@edx.org','test')    
+    log_in('robot@edx.org', 'test')
+
 
 @step(u'I am an edX user$')
 def i_am_an_edx_user(step):
     create_user('robot')
 
 #### helper functions
+
+
 @world.absorb
 def create_user(uname):
     portal_user = UserFactory.build(username=uname, email=uname + '@edx.org')
@@ -100,11 +118,12 @@ def create_user(uname):
 
     user_profile = UserProfileFactory(user=portal_user)
 
+
 @world.absorb
-def log_in(email, password):   
+def log_in(email, password):
     world.browser.cookies.delete()
     world.browser.visit(django_url('/'))
-    world.browser.is_element_present_by_css('header.global', 10)       
+    world.browser.is_element_present_by_css('header.global', 10)
     world.browser.click_link_by_href('#login-modal')
     login_form = world.browser.find_by_css('form#login_form')
     login_form.find_by_name('email').fill(email)
@@ -114,15 +133,17 @@ def log_in(email, password):
     # wait for the page to redraw
     assert world.browser.is_element_present_by_css('.content-wrapper', 10)
 
+
 @world.absorb
 def register_by_course_id(course_id, is_staff=False):
     create_user('robot')
     u = User.objects.get(username='robot')
     if is_staff:
-        u.is_staff=True
-        u.save()        
+        u.is_staff = True
+        u.save()
     CourseEnrollment.objects.get_or_create(user=u, course_id=course_id)
 
+
 @world.absorb
 def save_the_html(path='/tmp'):
     u = world.browser.url
@@ -132,6 +153,7 @@ def save_the_html(path='/tmp'):
     f.write(html)
     f.close
 
+
 @world.absorb
 def save_the_course_content(path='/tmp'):
     html = world.browser.html.encode('ascii', 'ignore')
@@ -140,12 +162,12 @@ def save_the_course_content(path='/tmp'):
     # get rid of the header, we only want to compare the body
     soup.head.decompose()
 
-    # for now, remove the data-id attributes, because they are 
+    # for now, remove the data-id attributes, because they are
     # causing mismatches between cms-master and master
     for item in soup.find_all(attrs={'data-id': re.compile('.*')}):
         del item['data-id']
 
-    # we also need to remove them from unrendered problems, 
+    # we also need to remove them from unrendered problems,
     # where they are contained in the text of divs instead of
     # in attributes of tags
     # Be careful of whether or not it was the last attribute
@@ -164,7 +186,7 @@ def save_the_course_content(path='/tmp'):
 
     # use string slicing to grab everything after 'courseware/' in the URL
     u = world.browser.url
-    section_url = u[u.find('courseware/')+11:] 
+    section_url = u[u.find('courseware/') + 11:]
 
     if not os.path.exists(path):
         os.makedirs(path)
diff --git a/lms/envs/acceptance.py b/lms/envs/acceptance.py
index e0857a4392..412815a402 100644
--- a/lms/envs/acceptance.py
+++ b/lms/envs/acceptance.py
@@ -1,5 +1,5 @@
 """
-This config file extends the test environment configuration 
+This config file extends the test environment configuration
 so that we can run the lettuce acceptance tests.
 """
 from .test import *
@@ -21,14 +21,14 @@ MODULESTORE = {
     }
 }
 
-# Set this up so that rake lms[acceptance] and running the 
+# Set this up so that rake lms[acceptance] and running the
 # harvest command both use the same (test) database
 # which they can flush without messing up your dev db
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': ENV_ROOT / "db" / "test_mitx.db",
-        'TEST_NAME': ENV_ROOT / "db" / "test_mitx.db",     
+        'TEST_NAME': ENV_ROOT / "db" / "test_mitx.db",
     }
 }
 
diff --git a/lms/envs/aws.py b/lms/envs/aws.py
index 0779f1f684..c4d3d8e772 100644
--- a/lms/envs/aws.py
+++ b/lms/envs/aws.py
@@ -53,7 +53,6 @@ with open(ENV_ROOT / CONFIG_PREFIX + "env.json") as env_file:
 
 SITE_NAME = ENV_TOKENS['SITE_NAME']
 SESSION_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
-CSRF_COOKIE_DOMAIN = ENV_TOKENS.get('SESSION_COOKIE_DOMAIN')
 
 BOOK_URL = ENV_TOKENS['BOOK_URL']
 MEDIA_URL = ENV_TOKENS['MEDIA_URL']
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 614c68b361..f3bf223451 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -40,11 +40,11 @@ DISCUSSION_SETTINGS = {
 
 # Features
 MITX_FEATURES = {
-    'SAMPLE' : False,
-    'USE_DJANGO_PIPELINE' : True,
-    'DISPLAY_HISTOGRAMS_TO_STAFF' : True,
-    'REROUTE_ACTIVATION_EMAIL' : False,		# nonempty string = address for all activation emails
-    'DEBUG_LEVEL' : 0,				# 0 = lowest level, least verbose, 255 = max level, most verbose
+    'SAMPLE': False,
+    'USE_DJANGO_PIPELINE': True,
+    'DISPLAY_HISTOGRAMS_TO_STAFF': True,
+    'REROUTE_ACTIVATION_EMAIL': False,		# nonempty string = address for all activation emails
+    'DEBUG_LEVEL': 0,				# 0 = lowest level, least verbose, 255 = max level, most verbose
 
     ## DO NOT SET TO True IN THIS FILE
     ## Doing so will cause all courses to be released on production
@@ -53,20 +53,20 @@ MITX_FEATURES = {
     # When True, will only publicly list courses by the subdomain. Expects you
     # to define COURSE_LISTINGS, a dictionary mapping subdomains to lists of
     # course_ids (see dev_int.py for an example)
-    'SUBDOMAIN_COURSE_LISTINGS' : False,
+    'SUBDOMAIN_COURSE_LISTINGS': False,
 
     # When True, will override certain branding with university specific values
     # Expects a SUBDOMAIN_BRANDING dictionary that maps the subdomain to the
     # university to use for branding purposes
     'SUBDOMAIN_BRANDING': False,
 
-    'FORCE_UNIVERSITY_DOMAIN': False,	# set this to the university domain to use, as an override to HTTP_HOST
+    'FORCE_UNIVERSITY_DOMAIN': False,  	# set this to the university domain to use, as an override to HTTP_HOST
                                         # set to None to do no university selection
 
-    'ENABLE_TEXTBOOK' : True,
+    'ENABLE_TEXTBOOK': True,
     'ENABLE_DISCUSSION_SERVICE': True,
 
-    'ENABLE_PSYCHOMETRICS': False,	# real-time psychometrics (eg item response theory analysis in instructor dashboard)
+    'ENABLE_PSYCHOMETRICS': False,  	# real-time psychometrics (eg item response theory analysis in instructor dashboard)
 
     'ENABLE_SQL_TRACKING_LOGS': False,
     'ENABLE_LMS_MIGRATION': False,
@@ -74,13 +74,16 @@ MITX_FEATURES = {
 
     'DISABLE_LOGIN_BUTTON': False,  # used in systems where login is automatic, eg MIT SSL
 
-    'STUB_VIDEO_FOR_TESTING': False, # do not display video when running automated acceptance tests
+    'STUB_VIDEO_FOR_TESTING': False,   # do not display video when running automated acceptance tests
 
     # extrernal access methods
     'ACCESS_REQUIRE_STAFF_FOR_COURSE': False,
     'AUTH_USE_OPENID': False,
-    'AUTH_USE_MIT_CERTIFICATES' : False,
+    'AUTH_USE_MIT_CERTIFICATES': False,
     'AUTH_USE_OPENID_PROVIDER': False,
+
+    # Flip to True when the YouTube iframe API breaks (again)
+    'USE_YOUTUBE_OBJECT_API': False,
 }
 
 # Used for A/B testing
@@ -90,7 +93,7 @@ DEFAULT_GROUPS = []
 GENERATE_PROFILE_SCORES = False
 
 # Used with XQueue
-XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5 # seconds
+XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5   # seconds
 
 
 ############################# SET PATH INFORMATION #############################
@@ -151,8 +154,8 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'django.core.context_processors.static',
     'django.contrib.messages.context_processors.messages',
     #'django.core.context_processors.i18n',
-    'django.contrib.auth.context_processors.auth', #this is required for admin
-    'django.core.context_processors.csrf', #necessary for csrf protection
+    'django.contrib.auth.context_processors.auth',   # this is required for admin
+    'django.core.context_processors.csrf',   # necessary for csrf protection
 
     # Added for django-wiki
     'django.core.context_processors.media',
@@ -162,7 +165,7 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'course_wiki.course_nav.context_processor',
 )
 
-STUDENT_FILEUPLOAD_MAX_SIZE = 4*1000*1000 # 4 MB
+STUDENT_FILEUPLOAD_MAX_SIZE = 4 * 1000 * 1000   # 4 MB
 MAX_FILEUPLOADS_PER_INPUT = 20
 
 # FIXME:
@@ -172,7 +175,7 @@ LIB_URL = '/static/js/'
 
 # Dev machines shouldn't need the book
 # BOOK_URL = '/static/book/'
-BOOK_URL = 'https://mitxstatic.s3.amazonaws.com/book_images/' # For AWS deploys
+BOOK_URL = 'https://mitxstatic.s3.amazonaws.com/book_images/'   # For AWS deploys
 # RSS_URL = r'lms/templates/feed.rss'
 # PRESS_URL = r''
 RSS_TIMEOUT = 600
@@ -268,8 +271,8 @@ STATICFILES_DIRS = [
 ]
 
 # Locale/Internationalization
-TIME_ZONE = 'America/New_York' # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
-LANGUAGE_CODE = 'en' # http://www.i18nguy.com/unicode/language-identifiers.html
+TIME_ZONE = 'America/New_York'   # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+LANGUAGE_CODE = 'en'   # http://www.i18nguy.com/unicode/language-identifiers.html
 USE_I18N = True
 USE_L10N = True
 
@@ -290,7 +293,7 @@ ALLOWED_GITRELOAD_IPS = ['207.97.227.253', '50.57.128.197', '108.171.174.178']
 # setting is, I'm just bumping the expiration time to something absurd (100
 # years). This is only used if DEFAULT_FILE_STORAGE is overriden to use S3
 # in the global settings.py
-AWS_QUERYSTRING_EXPIRE = 10 * 365 * 24 * 60 * 60 # 10 years
+AWS_QUERYSTRING_EXPIRE = 10 * 365 * 24 * 60 * 60   # 10 years
 
 ################################# SIMPLEWIKI ###################################
 SIMPLE_WIKI_REQUIRE_LOGIN_EDIT = True
@@ -299,8 +302,8 @@ SIMPLE_WIKI_REQUIRE_LOGIN_VIEW = False
 ################################# WIKI ###################################
 WIKI_ACCOUNT_HANDLING = False
 WIKI_EDITOR = 'course_wiki.editors.CodeMirror'
-WIKI_SHOW_MAX_CHILDREN = 0 # We don't use the little menu that shows children of an article in the breadcrumb
-WIKI_ANONYMOUS = False # Don't allow anonymous access until the styling is figured out
+WIKI_SHOW_MAX_CHILDREN = 0   # We don't use the little menu that shows children of an article in the breadcrumb
+WIKI_ANONYMOUS = False   # Don't allow anonymous access until the styling is figured out
 WIKI_CAN_CHANGE_PERMISSIONS = lambda article, user: user.is_staff or user.is_superuser
 WIKI_CAN_ASSIGN = lambda article, user: user.is_staff or user.is_superuser
 
@@ -419,7 +422,7 @@ main_vendor_js = [
 
 discussion_js = sorted(rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/discussion/**/*.coffee'))
 staff_grading_js = sorted(rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/staff_grading/**/*.coffee'))
-open_ended_js = sorted(rooted_glob(PROJECT_ROOT / 'static','coffee/src/open_ended/**/*.coffee'))
+open_ended_js = sorted(rooted_glob(PROJECT_ROOT / 'static', 'coffee/src/open_ended/**/*.coffee'))
 
 PIPELINE_CSS = {
     'application': {
@@ -476,11 +479,11 @@ PIPELINE_JS = {
         'source_filenames': discussion_js,
         'output_filename': 'js/discussion.js'
     },
-    'staff_grading' : {
+    'staff_grading': {
         'source_filenames': staff_grading_js,
         'output_filename': 'js/staff_grading.js'
     },
-    'open_ended' : {
+    'open_ended': {
         'source_filenames': open_ended_js,
         'output_filename': 'js/open_ended.js'
     }
@@ -563,9 +566,9 @@ INSTALLED_APPS = (
     'course_groups',
 
     #For the wiki
-    'wiki', # The new django-wiki from benjaoming
+    'wiki',   # The new django-wiki from benjaoming
     'django_notify',
-    'course_wiki', # Our customizations
+    'course_wiki',   # Our customizations
     'mptt',
     'sekizai',
     #'wiki.plugins.attachments',
diff --git a/lms/envs/content.py b/lms/envs/content.py
index 2584dca969..f699153895 100644
--- a/lms/envs/content.py
+++ b/lms/envs/content.py
@@ -10,7 +10,7 @@ TEMPLATE_DEBUG = True
 EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
 
 ################################ DEBUG TOOLBAR #################################
-INSTALLED_APPS += ('debug_toolbar',) 
+INSTALLED_APPS += ('debug_toolbar',)
 MIDDLEWARE_CLASSES += ('debug_toolbar.middleware.DebugToolbarMiddleware',)
 
 DEBUG_TOOLBAR_PANELS = (
@@ -24,8 +24,8 @@ DEBUG_TOOLBAR_PANELS = (
    'debug_toolbar.panels.logger.LoggingPanel',
 
 #  Enabling the profiler has a weird bug as of django-debug-toolbar==0.9.4 and
-#  Django=1.3.1/1.4 where requests to views get duplicated (your method gets 
-#  hit twice). So you can uncomment when you need to diagnose performance 
+#  Django=1.3.1/1.4 where requests to views get duplicated (your method gets
+#  hit twice). So you can uncomment when you need to diagnose performance
 #  problems, but you shouldn't leave it on.
 #  'debug_toolbar.panels.profiling.ProfilingDebugPanel',
 )
diff --git a/lms/envs/dev.py b/lms/envs/dev.py
index 338a31f641..47bcee1b7e 100644
--- a/lms/envs/dev.py
+++ b/lms/envs/dev.py
@@ -165,7 +165,7 @@ INSTALLED_APPS += ('django_openid_auth',)
 
 OPENID_CREATE_USERS = False
 OPENID_UPDATE_DETAILS_FROM_SREG = True
-OPENID_SSO_SERVER_URL = 'https://www.google.com/accounts/o8/id'	# TODO: accept more endpoints
+OPENID_SSO_SERVER_URL = 'https://www.google.com/accounts/o8/id'  	# TODO: accept more endpoints
 OPENID_USE_AS_ADMIN_LOGIN = False
 
 OPENID_PROVIDER_TRUSTED_ROOTS = ['*']
diff --git a/lms/envs/dev_edx4edx.py b/lms/envs/dev_edx4edx.py
index 0212d8b550..c138ed81ae 100644
--- a/lms/envs/dev_edx4edx.py
+++ b/lms/envs/dev_edx4edx.py
@@ -36,7 +36,7 @@ DEBUG = True
 ENABLE_MULTICOURSE = True     # set to False to disable multicourse display (see lib.util.views.mitxhome)
 QUICKEDIT = True
 
-MAKO_TEMPLATES['course'] = [DATA_DIR, EDX4EDX_ROOT ]
+MAKO_TEMPLATES['course'] = [DATA_DIR, EDX4EDX_ROOT]
 
 #MITX_FEATURES['USE_DJANGO_PIPELINE'] = False
 MITX_FEATURES['DISPLAY_HISTOGRAMS_TO_STAFF'] = False
@@ -49,12 +49,12 @@ COURSE_TITLE = "edx4edx: edX Author Course"
 SITE_NAME = "ichuang.mitx.mit.edu"
 
 COURSE_SETTINGS =  {'edx4edx': {'number' : 'edX.01',
-                                    'title'  : 'edx4edx: edX Author Course',
+                                    'title': 'edx4edx: edX Author Course',
                                     'xmlpath': '/edx4edx/',
                                     'github_url': 'https://github.com/MITx/edx4edx',
-                                    'active' : True,
-                                    'default_chapter' : 'Introduction',
-                                    'default_section' : 'edx4edx_Course',
+                                    'active': True,
+                                    'default_chapter': 'Introduction',
+                                    'default_section': 'edx4edx_Course',
                                     },
                     }
 
diff --git a/lms/envs/dev_ike.py b/lms/envs/dev_ike.py
index a17622a81a..639d186989 100644
--- a/lms/envs/dev_ike.py
+++ b/lms/envs/dev_ike.py
@@ -24,25 +24,25 @@ MITX_FEATURES['DISABLE_START_DATES'] = True
 
 myhost = socket.gethostname()
 if ('edxvm' in myhost) or ('ocw' in myhost):
-    MITX_FEATURES['DISABLE_LOGIN_BUTTON'] = True	# auto-login with MIT certificate
-    MITX_FEATURES['USE_XQA_SERVER'] = 'https://qisx.mit.edu/xqa'	# needs to be ssl or browser blocks it
-    MITX_FEATURES['USE_DJANGO_PIPELINE']=False      # don't recompile scss
+    MITX_FEATURES['DISABLE_LOGIN_BUTTON'] = True  	# auto-login with MIT certificate
+    MITX_FEATURES['USE_XQA_SERVER'] = 'https://qisx.mit.edu/xqa'  	# needs to be ssl or browser blocks it
+    MITX_FEATURES['USE_DJANGO_PIPELINE'] = False      # don't recompile scss
 
 if ('ocw' in myhost):
     MITX_FEATURES['ACCESS_REQUIRE_STAFF_FOR_COURSE'] = False
 
 if ('domU' in myhost):
     EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
-    MITX_FEATURES['REROUTE_ACTIVATION_EMAIL'] = 'ichuang@mitx.mit.edu'	# nonempty string = address for all activation emails
-    MITX_FEATURES['USE_DJANGO_PIPELINE']=False      # don't recompile scss
+    MITX_FEATURES['REROUTE_ACTIVATION_EMAIL'] = 'ichuang@mitx.mit.edu'  	# nonempty string = address for all activation emails
+    MITX_FEATURES['USE_DJANGO_PIPELINE'] = False      # don't recompile scss
 
-SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')	# django 1.4 for nginx ssl proxy
+SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')  	# django 1.4 for nginx ssl proxy
 
 #-----------------------------------------------------------------------------
 # disable django debug toolbars
 
-INSTALLED_APPS = tuple([ app for app in INSTALLED_APPS if not app.startswith('debug_toolbar') ])
-MIDDLEWARE_CLASSES = tuple([ mcl for mcl in MIDDLEWARE_CLASSES if not mcl.startswith('debug_toolbar') ])
+INSTALLED_APPS = tuple([app for app in INSTALLED_APPS if not app.startswith('debug_toolbar')])
+MIDDLEWARE_CLASSES = tuple([mcl for mcl in MIDDLEWARE_CLASSES if not mcl.startswith('debug_toolbar')])
 #TEMPLATE_LOADERS = tuple([ app for app in TEMPLATE_LOADERS if not app.startswith('mitxmako') ])
 TEMPLATE_LOADERS = (
     'django.template.loaders.filesystem.Loader',
diff --git a/lms/envs/dev_int.py b/lms/envs/dev_int.py
index 12123e12d4..21c52c8abc 100644
--- a/lms/envs/dev_int.py
+++ b/lms/envs/dev_int.py
@@ -14,7 +14,7 @@ from .dev import *
 MITX_FEATURES['SUBDOMAIN_COURSE_LISTINGS'] = True
 
 COURSE_LISTINGS = {
-    'default' : ['BerkeleyX/CS169.1x/2012_Fall',
+    'default': ['BerkeleyX/CS169.1x/2012_Fall',
                  'BerkeleyX/CS188.1x/2012_Fall',
                  'HarvardX/CS50x/2012',
                  'HarvardX/PH207x/2012_Fall',
@@ -25,8 +25,8 @@ COURSE_LISTINGS = {
     'berkeley': ['BerkeleyX/CS169.1x/2012_Fall',
                  'BerkeleyX/CS188.1x/2012_Fall'],
 
-    'harvard' : ['HarvardX/CS50x/2012'],
+    'harvard': ['HarvardX/CS50x/2012'],
 
-    'mit'     : ['MITx/3.091x/2012_Fall',
+    'mit': ['MITx/3.091x/2012_Fall',
                  'MITx/6.00x/2012_Fall']
 }
diff --git a/lms/envs/devgroups/courses.py b/lms/envs/devgroups/courses.py
index e9ed28a09d..c44717c451 100644
--- a/lms/envs/devgroups/courses.py
+++ b/lms/envs/devgroups/courses.py
@@ -1,13 +1,13 @@
 from ..dev import *
 
 CLASSES_TO_DBS = {
-    'BerkeleyX/CS169.1x/2012_Fall' : "cs169.db",
-    'BerkeleyX/CS188.1x/2012_Fall' : "cs188_1.db",
-    'HarvardX/CS50x/2012' : "cs50.db",
-    'HarvardX/PH207x/2012_Fall' : "ph207.db",
-    'MITx/3.091x/2012_Fall' : "3091.db",
-    'MITx/6.002x/2012_Fall' : "6002.db",
-    'MITx/6.00x/2012_Fall' : "600.db",
+    'BerkeleyX/CS169.1x/2012_Fall': "cs169.db",
+    'BerkeleyX/CS188.1x/2012_Fall': "cs188_1.db",
+    'HarvardX/CS50x/2012': "cs50.db",
+    'HarvardX/PH207x/2012_Fall': "ph207.db",
+    'MITx/3.091x/2012_Fall': "3091.db",
+    'MITx/6.002x/2012_Fall': "6002.db",
+    'MITx/6.00x/2012_Fall': "600.db",
 }
 
 
@@ -20,8 +20,8 @@ CACHES = {
    'general': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '127.0.0.1:11211',
-       'KEY_PREFIX' : 'general',
-       'VERSION' : 5,
+       'KEY_PREFIX': 'general',
+       'VERSION': 5,
        'KEY_FUNCTION': 'util.memcache.safe_key',
    }
 }
@@ -32,11 +32,12 @@ SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
 def path_for_db(db_name):
     return ENV_ROOT / "db" / db_name
 
+
 def course_db_for(course_id):
     db_name = CLASSES_TO_DBS[course_id]
     return {
-               'default' : {
-                    'ENGINE' : 'django.db.backends.sqlite3',
-                    'NAME' : path_for_db(db_name)
+               'default': {
+                    'ENGINE': 'django.db.backends.sqlite3',
+                    'NAME': path_for_db(db_name)
                 }
             }
diff --git a/lms/envs/devgroups/portal.py b/lms/envs/devgroups/portal.py
index b674218571..35808d56fa 100644
--- a/lms/envs/devgroups/portal.py
+++ b/lms/envs/devgroups/portal.py
@@ -10,4 +10,3 @@ for class_id, db_name in CLASSES_TO_DBS.items():
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': path_for_db(db_name)
     }
-
diff --git a/lms/envs/devplus.py b/lms/envs/devplus.py
index 5c79304c0a..ea6590291c 100644
--- a/lms/envs/devplus.py
+++ b/lms/envs/devplus.py
@@ -37,8 +37,8 @@ CACHES = {
    'general': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '127.0.0.1:11211',
-       'KEY_PREFIX' : 'general',
-       'VERSION' : 5,
+       'KEY_PREFIX': 'general',
+       'VERSION': 5,
        'KEY_FUNCTION': 'util.memcache.safe_key',
    }
 }
@@ -47,7 +47,7 @@ SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
 
 
 ################################ DEBUG TOOLBAR #################################
-INSTALLED_APPS += ('debug_toolbar',) 
+INSTALLED_APPS += ('debug_toolbar',)
 MIDDLEWARE_CLASSES += ('debug_toolbar.middleware.DebugToolbarMiddleware',)
 INTERNAL_IPS = ('127.0.0.1',)
 
@@ -62,8 +62,8 @@ DEBUG_TOOLBAR_PANELS = (
    'debug_toolbar.panels.logger.LoggingPanel',
 
 #  Enabling the profiler has a weird bug as of django-debug-toolbar==0.9.4 and
-#  Django=1.3.1/1.4 where requests to views get duplicated (your method gets 
-#  hit twice). So you can uncomment when you need to diagnose performance 
+#  Django=1.3.1/1.4 where requests to views get duplicated (your method gets
+#  hit twice). So you can uncomment when you need to diagnose performance
 #  problems, but you shouldn't leave it on.
   'debug_toolbar.panels.profiling.ProfilingDebugPanel',
 )
diff --git a/lms/envs/edx4edx_aws.py b/lms/envs/edx4edx_aws.py
index adc2c6e1ce..de377c0b57 100644
--- a/lms/envs/edx4edx_aws.py
+++ b/lms/envs/edx4edx_aws.py
@@ -5,21 +5,21 @@ COURSE_NUMBER = "edX.01"
 COURSE_TITLE = "edx4edx: edX Author Course"
 EDX4EDX_ROOT = ENV_ROOT / "data/edx4edx"
 
-### Dark code. Should be enabled in local settings for devel. 
+### Dark code. Should be enabled in local settings for devel.
 QUICKEDIT = True
-ENABLE_MULTICOURSE = True # set to False to disable multicourse display (see lib.util.views.mitxhome)
+ENABLE_MULTICOURSE = True   # set to False to disable multicourse display (see lib.util.views.mitxhome)
 ###
 PIPELINE_CSS_COMPRESSOR = None
 PIPELINE_JS_COMPRESSOR = None
 
 COURSE_DEFAULT = 'edx4edx'
 COURSE_SETTINGS =  {'edx4edx': {'number' : 'edX.01',
-                                    'title'  : 'edx4edx: edX Author Course',
+                                    'title': 'edx4edx: edX Author Course',
                                     'xmlpath': '/edx4edx/',
                                     'github_url': 'https://github.com/MITx/edx4edx',
-                                    'active' : True,
-                                    'default_chapter' : 'Introduction',
-                                    'default_section' : 'edx4edx_Course',
+                                    'active': True,
+                                    'default_chapter': 'Introduction',
+                                    'default_section': 'edx4edx_Course',
                                     },
                     }
 
@@ -34,4 +34,4 @@ STATICFILES_DIRS = [
 #    ("book", ENV_ROOT / "book_images")
 ]
 
-MAKO_TEMPLATES['course'] = [DATA_DIR, EDX4EDX_ROOT ]
+MAKO_TEMPLATES['course'] = [DATA_DIR, EDX4EDX_ROOT]
diff --git a/lms/envs/static.py b/lms/envs/static.py
index f233571a9e..23e735c747 100644
--- a/lms/envs/static.py
+++ b/lms/envs/static.py
@@ -12,7 +12,7 @@ from logsettings import get_logger_config
 
 STATIC_GRAB = True
 
-LOGGING = get_logger_config(ENV_ROOT / "log", 
+LOGGING = get_logger_config(ENV_ROOT / "log",
                             logging_env="dev",
                             tracking_filename="tracking.log",
                             debug=False)
@@ -25,7 +25,7 @@ DATABASES = {
 }
 
 CACHES = {
-    # This is the cache used for most things. 
+    # This is the cache used for most things.
     # In staging/prod envs, the sessions also live here.
     'default': {
         'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
diff --git a/lms/envs/test.py b/lms/envs/test.py
index 8b546549eb..6cad6416d0 100644
--- a/lms/envs/test.py
+++ b/lms/envs/test.py
@@ -23,7 +23,7 @@ MITX_FEATURES['ENABLE_DISCUSSION_SERVICE'] = False
 WIKI_ENABLED = True
 
 # Makes the tests run much faster...
-SOUTH_TESTS_MIGRATE = False # To disable migrations and use syncdb instead
+SOUTH_TESTS_MIGRATE = False   # To disable migrations and use syncdb instead
 
 # Nose Test Runner
 INSTALLED_APPS += ('django_nose',)
@@ -57,7 +57,7 @@ XQUEUE_INTERFACE = {
     },
     "basic_auth": ('anant', 'agarwal'),
 }
-XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5 # seconds
+XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5   # seconds
 
 
 # Don't rely on a real staff grading backend
diff --git a/lms/envs/test_ike.py b/lms/envs/test_ike.py
index b162d9e2bb..907b7eeadf 100644
--- a/lms/envs/test_ike.py
+++ b/lms/envs/test_ike.py
@@ -34,11 +34,11 @@ DATA_DIR = COURSES_ROOT
 MAKO_TEMPLATES['course'] = [DATA_DIR]
 MAKO_TEMPLATES['sections'] = [DATA_DIR / 'sections']
 MAKO_TEMPLATES['custom_tags'] = [DATA_DIR / 'custom_tags']
-MAKO_TEMPLATES['main'] = [PROJECT_ROOT / 'templates', 
+MAKO_TEMPLATES['main'] = [PROJECT_ROOT / 'templates',
                           DATA_DIR / 'info',
                           DATA_DIR / 'problems']
 
-LOGGING = get_logger_config(TEST_ROOT / "log", 
+LOGGING = get_logger_config(TEST_ROOT / "log",
                             logging_env="dev",
                             tracking_filename="tracking.log",
                             debug=True)
@@ -51,7 +51,7 @@ DATABASES = {
 }
 
 CACHES = {
-    # This is the cache used for most things. 
+    # This is the cache used for most things.
     # In staging/prod envs, the sessions also live here.
     'default': {
         'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
diff --git a/lms/lib/comment_client/comment.py b/lms/lib/comment_client/comment.py
index 6d0bafee02..0d81761512 100644
--- a/lms/lib/comment_client/comment.py
+++ b/lms/lib/comment_client/comment.py
@@ -4,6 +4,7 @@ from thread import Thread
 import models
 import settings
 
+
 class Comment(models.Model):
 
     accessible_fields = [
@@ -41,8 +42,10 @@ class Comment(models.Model):
         else:
             return super(Comment, cls).url(action, params)
 
+
 def _url_for_thread_comments(thread_id):
     return "{prefix}/threads/{thread_id}/comments".format(prefix=settings.PREFIX, thread_id=thread_id)
 
+
 def _url_for_comment(comment_id):
     return "{prefix}/comments/{comment_id}".format(prefix=settings.PREFIX, comment_id=comment_id)
diff --git a/lms/lib/comment_client/comment_client.py b/lms/lib/comment_client/comment_client.py
index fe485433d6..d7c8f05485 100644
--- a/lms/lib/comment_client/comment_client.py
+++ b/lms/lib/comment_client/comment_client.py
@@ -7,32 +7,40 @@ from utils import *
 
 import settings
 
+
 def search_similar_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     return perform_request('get', _url_for_search_similar_threads(), attributes, *args, **kwargs)
 
+
 def search_recent_active_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     return perform_request('get', _url_for_search_recent_active_threads(), attributes, *args, **kwargs)
 
+
 def search_trending_tags(course_id, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id}
     attributes = dict(default_params.items() + query_params.items())
     return perform_request('get', _url_for_search_trending_tags(), attributes, *args, **kwargs)
 
+
 def tags_autocomplete(value, *args, **kwargs):
     return perform_request('get', _url_for_threads_tags_autocomplete(), {'value': value}, *args, **kwargs)
 
+
 def _url_for_search_similar_threads():
     return "{prefix}/search/threads/more_like_this".format(prefix=settings.PREFIX)
 
+
 def _url_for_search_recent_active_threads():
     return "{prefix}/search/threads/recent_active".format(prefix=settings.PREFIX)
 
+
 def _url_for_search_trending_tags():
     return "{prefix}/search/tags/trending".format(prefix=settings.PREFIX)
 
+
 def _url_for_threads_tags_autocomplete():
     return "{prefix}/threads/tags/autocomplete".format(prefix=settings.PREFIX)
diff --git a/lms/lib/comment_client/commentable.py b/lms/lib/comment_client/commentable.py
index 8f91bfc93d..85c357ef81 100644
--- a/lms/lib/comment_client/commentable.py
+++ b/lms/lib/comment_client/commentable.py
@@ -3,6 +3,7 @@ from utils import *
 import models
 import settings
 
+
 class Commentable(models.Model):
 
     base_url = "{prefix}/commentables".format(prefix=settings.PREFIX)
diff --git a/lms/lib/comment_client/legacy.py b/lms/lib/comment_client/legacy.py
index fc87bcaf4f..fbf66a09fd 100644
--- a/lms/lib/comment_client/legacy.py
+++ b/lms/lib/comment_client/legacy.py
@@ -1,6 +1,7 @@
 def delete_threads(commentable_id, *args, **kwargs):
     return _perform_request('delete', _url_for_commentable_threads(commentable_id), *args, **kwargs)
 
+
 def get_threads(commentable_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'page': 1, 'per_page': 20, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
@@ -8,6 +9,7 @@ def get_threads(commentable_id, recursive=False, query_params={}, *args, **kwarg
             attributes, *args, **kwargs)
     return response.get('collection', []), response.get('page', 1), response.get('num_pages', 1)
 
+
 def search_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'page': 1, 'per_page': 20, 'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
@@ -15,106 +17,137 @@ def search_threads(course_id, recursive=False, query_params={}, *args, **kwargs)
             attributes, *args, **kwargs)
     return response.get('collection', []), response.get('page', 1), response.get('num_pages', 1)
 
+
 def search_similar_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     return _perform_request('get', _url_for_search_similar_threads(), attributes, *args, **kwargs)
 
+
 def search_recent_active_threads(course_id, recursive=False, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id, 'recursive': recursive}
     attributes = dict(default_params.items() + query_params.items())
     return _perform_request('get', _url_for_search_recent_active_threads(), attributes, *args, **kwargs)
 
+
 def search_trending_tags(course_id, query_params={}, *args, **kwargs):
     default_params = {'course_id': course_id}
     attributes = dict(default_params.items() + query_params.items())
     return _perform_request('get', _url_for_search_trending_tags(), attributes, *args, **kwargs)
 
+
 def create_user(attributes, *args, **kwargs):
     return _perform_request('post', _url_for_users(), attributes, *args, **kwargs)
 
+
 def update_user(user_id, attributes, *args, **kwargs):
     return _perform_request('put', _url_for_user(user_id), attributes, *args, **kwargs)
 
+
 def get_threads_tags(*args, **kwargs):
     return _perform_request('get', _url_for_threads_tags(), {}, *args, **kwargs)
 
+
 def tags_autocomplete(value, *args, **kwargs):
     return _perform_request('get', _url_for_threads_tags_autocomplete(), {'value': value}, *args, **kwargs)
 
+
 def create_thread(commentable_id, attributes, *args, **kwargs):
     return _perform_request('post', _url_for_threads(commentable_id), attributes, *args, **kwargs)
-    
+
+
 def get_thread(thread_id, recursive=False, *args, **kwargs):
     return _perform_request('get', _url_for_thread(thread_id), {'recursive': recursive}, *args, **kwargs)
 
+
 def update_thread(thread_id, attributes, *args, **kwargs):
     return _perform_request('put', _url_for_thread(thread_id), attributes, *args, **kwargs)
 
+
 def create_comment(thread_id, attributes, *args, **kwargs):
     return _perform_request('post', _url_for_thread_comments(thread_id), attributes, *args, **kwargs)
 
+
 def delete_thread(thread_id, *args, **kwargs):
     return _perform_request('delete', _url_for_thread(thread_id), *args, **kwargs)
 
+
 def get_comment(comment_id, recursive=False, *args, **kwargs):
     return _perform_request('get', _url_for_comment(comment_id), {'recursive': recursive}, *args, **kwargs)
 
+
 def update_comment(comment_id, attributes, *args, **kwargs):
     return _perform_request('put', _url_for_comment(comment_id), attributes, *args, **kwargs)
 
+
 def create_sub_comment(comment_id, attributes, *args, **kwargs):
     return _perform_request('post', _url_for_comment(comment_id), attributes, *args, **kwargs)
 
+
 def delete_comment(comment_id, *args, **kwargs):
     return _perform_request('delete', _url_for_comment(comment_id), *args, **kwargs)
 
+
 def vote_for_comment(comment_id, user_id, value, *args, **kwargs):
     return _perform_request('put', _url_for_vote_comment(comment_id), {'user_id': user_id, 'value': value}, *args, **kwargs)
 
+
 def undo_vote_for_comment(comment_id, user_id, *args, **kwargs):
     return _perform_request('delete', _url_for_vote_comment(comment_id), {'user_id': user_id}, *args, **kwargs)
 
+
 def vote_for_thread(thread_id, user_id, value, *args, **kwargs):
     return _perform_request('put', _url_for_vote_thread(thread_id), {'user_id': user_id, 'value': value}, *args, **kwargs)
 
+
 def undo_vote_for_thread(thread_id, user_id, *args, **kwargs):
     return _perform_request('delete', _url_for_vote_thread(thread_id), {'user_id': user_id}, *args, **kwargs)
 
+
 def get_notifications(user_id, *args, **kwargs):
     return _perform_request('get', _url_for_notifications(user_id), *args, **kwargs)
 
+
 def get_user_info(user_id, complete=True, *args, **kwargs):
     return _perform_request('get', _url_for_user(user_id), {'complete': complete}, *args, **kwargs)
 
+
 def subscribe(user_id, subscription_detail, *args, **kwargs):
     return _perform_request('post', _url_for_subscription(user_id), subscription_detail, *args, **kwargs)
 
+
 def subscribe_user(user_id, followed_user_id, *args, **kwargs):
     return subscribe(user_id, {'source_type': 'user', 'source_id': followed_user_id})
 
 follow = subscribe_user
 
+
 def subscribe_thread(user_id, thread_id, *args, **kwargs):
     return subscribe(user_id, {'source_type': 'thread', 'source_id': thread_id})
 
+
 def subscribe_commentable(user_id, commentable_id, *args, **kwargs):
     return subscribe(user_id, {'source_type': 'other', 'source_id': commentable_id})
 
+
 def unsubscribe(user_id, subscription_detail, *args, **kwargs):
     return _perform_request('delete', _url_for_subscription(user_id), subscription_detail, *args, **kwargs)
 
+
 def unsubscribe_user(user_id, followed_user_id, *args, **kwargs):
     return unsubscribe(user_id, {'source_type': 'user', 'source_id': followed_user_id})
 
 unfollow = unsubscribe_user
 
+
 def unsubscribe_thread(user_id, thread_id, *args, **kwargs):
     return unsubscribe(user_id, {'source_type': 'thread', 'source_id': thread_id})
 
+
 def unsubscribe_commentable(user_id, commentable_id, *args, **kwargs):
     return unsubscribe(user_id, {'source_type': 'other', 'source_id': commentable_id})
 
+
 def _perform_request(method, url, data_or_params=None, *args, **kwargs):
     if method in ['post', 'put', 'patch']:
         response = requests.request(method, url, data=data_or_params)
@@ -130,51 +163,66 @@ def _perform_request(method, url, data_or_params=None, *args, **kwargs):
         else:
             return json.loads(response.text)
 
+
 def _url_for_threads(commentable_id):
     return "{prefix}/{commentable_id}/threads".format(prefix=PREFIX, commentable_id=commentable_id)
 
+
 def _url_for_thread(thread_id):
     return "{prefix}/threads/{thread_id}".format(prefix=PREFIX, thread_id=thread_id)
 
+
 def _url_for_thread_comments(thread_id):
     return "{prefix}/threads/{thread_id}/comments".format(prefix=PREFIX, thread_id=thread_id)
 
+
 def _url_for_comment(comment_id):
     return "{prefix}/comments/{comment_id}".format(prefix=PREFIX, comment_id=comment_id)
 
+
 def _url_for_vote_comment(comment_id):
     return "{prefix}/comments/{comment_id}/votes".format(prefix=PREFIX, comment_id=comment_id)
 
+
 def _url_for_vote_thread(thread_id):
     return "{prefix}/threads/{thread_id}/votes".format(prefix=PREFIX, thread_id=thread_id)
 
+
 def _url_for_notifications(user_id):
     return "{prefix}/users/{user_id}/notifications".format(prefix=PREFIX, user_id=user_id)
 
+
 def _url_for_subscription(user_id):
     return "{prefix}/users/{user_id}/subscriptions".format(prefix=PREFIX, user_id=user_id)
 
+
 def _url_for_user(user_id):
     return "{prefix}/users/{user_id}".format(prefix=PREFIX, user_id=user_id)
 
+
 def _url_for_search_threads():
     return "{prefix}/search/threads".format(prefix=PREFIX)
 
+
 def _url_for_search_similar_threads():
     return "{prefix}/search/threads/more_like_this".format(prefix=PREFIX)
 
+
 def _url_for_search_recent_active_threads():
     return "{prefix}/search/threads/recent_active".format(prefix=PREFIX)
 
+
 def _url_for_search_trending_tags():
     return "{prefix}/search/tags/trending".format(prefix=PREFIX)
 
+
 def _url_for_threads_tags():
     return "{prefix}/threads/tags".format(prefix=PREFIX)
 
+
 def _url_for_threads_tags_autocomplete():
     return "{prefix}/threads/tags/autocomplete".format(prefix=PREFIX)
 
+
 def _url_for_users():
     return "{prefix}/users".format(prefix=PREFIX)
-
diff --git a/lms/lib/comment_client/models.py b/lms/lib/comment_client/models.py
index 3ce3858d2d..8676d3af33 100644
--- a/lms/lib/comment_client/models.py
+++ b/lms/lib/comment_client/models.py
@@ -1,5 +1,6 @@
 from utils import *
 
+
 class Model(object):
 
     accessible_fields = ['id']
@@ -26,7 +27,7 @@ class Model(object):
                 raise AttributeError("Field {0} does not exist".format(name))
             self.retrieve()
             return self.__getattr__(name)
-    
+
     def __setattr__(self, name, value):
         if name == 'attributes' or name not in self.accessible_fields:
             super(Model, self).__setattr__(name, value)
@@ -80,7 +81,7 @@ class Model(object):
 
     def initializable_attributes(self):
         return extract(self.attributes, self.initializable_fields)
-        
+
     @classmethod
     def before_save(cls, instance):
         pass
@@ -91,10 +92,10 @@ class Model(object):
 
     def save(self):
         self.__class__.before_save(self)
-        if self.id: # if we have id already, treat this as an update
+        if self.id:   # if we have id already, treat this as an update
             url = self.url(action='put', params=self.attributes)
             response = perform_request('put', url, self.updatable_attributes())
-        else: # otherwise, treat this as an insert
+        else:   # otherwise, treat this as an insert
             url = self.url(action='post', params=self.attributes)
             response = perform_request('post', url, self.initializable_attributes())
         self.retrieved = True
@@ -126,5 +127,5 @@ class Model(object):
                 return cls.url_with_id(params)
             except KeyError:
                 raise CommentClientError("Cannot perform action {0} without id".format(action))
-        else: # action must be in DEFAULT_ACTIONS_WITHOUT_ID now
+        else:   # action must be in DEFAULT_ACTIONS_WITHOUT_ID now
             return cls.url_without_id()
diff --git a/lms/lib/comment_client/thread.py b/lms/lib/comment_client/thread.py
index 6fd31b0823..912ae1af18 100644
--- a/lms/lib/comment_client/thread.py
+++ b/lms/lib/comment_client/thread.py
@@ -3,6 +3,7 @@ from utils import *
 import models
 import settings
 
+
 class Thread(models.Model):
 
     accessible_fields = [
@@ -66,7 +67,7 @@ class Thread(models.Model):
     def _retrieve(self, *args, **kwargs):
         url = self.url(action='get', params=self.attributes)
 
-        request_params = { 
+        request_params = {
                             'recursive': kwargs.get('recursive'),
                             'user_id': kwargs.get('user_id'),
                             'mark_as_read': kwargs.get('mark_as_read', True),
diff --git a/lms/lib/comment_client/user.py b/lms/lib/comment_client/user.py
index 546b27556c..c3ba84175e 100644
--- a/lms/lib/comment_client/user.py
+++ b/lms/lib/comment_client/user.py
@@ -3,6 +3,7 @@ from utils import *
 import models
 import settings
 
+
 class User(models.Model):
 
     accessible_fields = ['username', 'email', 'follower_ids', 'upvoted_ids', 'downvoted_ids',
@@ -82,17 +83,22 @@ class User(models.Model):
         response = perform_request('get', url, retrieve_params)
         self.update_attributes(**response)
 
+
 def _url_for_vote_comment(comment_id):
     return "{prefix}/comments/{comment_id}/votes".format(prefix=settings.PREFIX, comment_id=comment_id)
 
+
 def _url_for_vote_thread(thread_id):
     return "{prefix}/threads/{thread_id}/votes".format(prefix=settings.PREFIX, thread_id=thread_id)
 
+
 def _url_for_subscription(user_id):
     return "{prefix}/users/{user_id}/subscriptions".format(prefix=settings.PREFIX, user_id=user_id)
 
+
 def _url_for_user_active_threads(user_id):
     return "{prefix}/users/{user_id}/active_threads".format(prefix=settings.PREFIX, user_id=user_id)
 
+
 def _url_for_user_subscribed_threads(user_id):
     return "{prefix}/users/{user_id}/subscribed_threads".format(prefix=settings.PREFIX, user_id=user_id)
diff --git a/lms/lib/comment_client/utils.py b/lms/lib/comment_client/utils.py
index f50797d5e0..e053fea6c0 100644
--- a/lms/lib/comment_client/utils.py
+++ b/lms/lib/comment_client/utils.py
@@ -5,23 +5,28 @@ import settings
 
 log = logging.getLogger('mitx.' + __name__)
 
+
 def strip_none(dic):
     return dict([(k, v) for k, v in dic.iteritems() if v is not None])
 
+
 def strip_blank(dic):
     def _is_blank(v):
         return isinstance(v, str) and len(v.strip()) == 0
     return dict([(k, v) for k, v in dic.iteritems() if not _is_blank(v)])
 
+
 def extract(dic, keys):
     if isinstance(keys, str):
         return strip_none({keys: dic.get(keys)})
     else:
         return strip_none({k: dic.get(k) for k in keys})
 
+
 def merge_dict(dic1, dic2):
     return dict(dic1.items() + dic2.items())
 
+
 def perform_request(method, url, data_or_params=None, *args, **kwargs):
     if data_or_params is None:
         data_or_params = {}
@@ -34,7 +39,7 @@ def perform_request(method, url, data_or_params=None, *args, **kwargs):
     except Exception as err:
         log.exception("Trying to call {method} on {url} with params {params}".format(
             method=method, url=url, params=data_or_params))
-        # Reraise with a single exception type 
+        # Reraise with a single exception type
         raise CommentClientError(str(err))
 
     if 200 < response.status_code < 500:
@@ -47,6 +52,7 @@ def perform_request(method, url, data_or_params=None, *args, **kwargs):
         else:
             return json.loads(response.text)
 
+
 class CommentClientError(Exception):
     def __init__(self, msg):
         self.message = msg
@@ -54,5 +60,6 @@ class CommentClientError(Exception):
     def __str__(self):
         return repr(self.message)
 
+
 class CommentClientUnknownError(CommentClientError):
     pass
diff --git a/lms/lib/dogfood/check.py b/lms/lib/dogfood/check.py
index 0a1da38529..070d3f9262 100644
--- a/lms/lib/dogfood/check.py
+++ b/lms/lib/dogfood/check.py
@@ -59,5 +59,3 @@ def check_problem_code(ans, the_lcp, correct_answers, false_answers):
            'msg': msg + endmsg,
            }
     return ret
-
-
diff --git a/lms/lib/loncapa/loncapa_check.py b/lms/lib/loncapa/loncapa_check.py
index 0fd998e00e..2cd591520e 100644
--- a/lms/lib/loncapa/loncapa_check.py
+++ b/lms/lib/loncapa/loncapa_check.py
@@ -33,5 +33,3 @@ def lc_choose(index, *args):
 
 deg2rad = math.pi / 180.0
 rad2deg = 180.0 / math.pi
-
-
diff --git a/lms/lib/symmath/README.md b/lms/lib/symmath/README.md
new file mode 100644
index 0000000000..68868fae4a
--- /dev/null
+++ b/lms/lib/symmath/README.md
@@ -0,0 +1,13 @@
+(Originally written by Ike.)
+
+At a high level, the main challenges of checking symbolic math expressions are (1) making sure the expression is mathematically legal, and (2) simplifying the expression for comparison with what is expected.
+
+(1) Generation (and testing) of legal input is done by using MathJax to provide input math in an XML format known as Presentation MathML (PMathML).  Such expressions typeset correctly, but may not be mathematically legal, like "5 / (1 = 2)".  The PMathML is converted into "Content MathML" (CMathML), which is by definition mathematically legal, using an XSLT 2.0 stylesheet, via a module in SnuggleTeX. CMathML is then converted into a sympy expression.  This work is all done in `lms/lib/symmath/formula.py`
+
+(2) Simplifying the expression and checking against what is expected is done by using sympy, and a set of heuristics based on options flags provided by the problem author.  For example, the problem author may specify that the expected expression is a matrix, in which case the dimensionality of the input expression is checked.  Other options include specifying that the comparison be checked numerically in addition to symbolically.  The checking is done in stages, first with no simplification, then with increasing levels of testing; if a match is found at any stage, then an "ok" is returned.  Helpful messages are also returned, eg if the input expression is of a different type than the expected.  This work is all done in `lms/lib/symmath/symmath_check.py`
+
+Links:
+
+SnuggleTex: http://www2.ph.ed.ac.uk/snuggletex/documentation/overview-and-features.html
+MathML: http://www.w3.org/TR/MathML2/overview.html
+SymPy: http://sympy.org/en/index.html
diff --git a/lms/lib/symmath/symmath_check.py b/lms/lib/symmath/symmath_check.py
index 3cc4fd7d3c..d386ea6b06 100644
--- a/lms/lib/symmath/symmath_check.py
+++ b/lms/lib/symmath/symmath_check.py
@@ -143,6 +143,7 @@ def check(expect, given, numerical=False, matrix=False, normphase=False, abcsym=
 #-----------------------------------------------------------------------------
 # helper function to convert all <p> to <span class='inline-error'>
 
+
 def make_error_message(msg):
     # msg = msg.replace('<p>','<p><span class="inline-error">').replace('</p>','</span></p>')
     msg = '<div class="capa_alert">%s</div>' % msg
@@ -153,6 +154,7 @@ def make_error_message(msg):
 #
 # This is one of the main entry points to call.
 
+
 def symmath_check(expect, ans, dynamath=None, options=None, debug=None, xml=None):
     '''
     Check a symbolic mathematical expression using sympy.
@@ -183,12 +185,12 @@ def symmath_check(expect, ans, dynamath=None, options=None, debug=None, xml=None
     # msg += '<p/>abname=%s' % abname
     # msg += '<p/>adict=%s' % (repr(adict).replace('<','&lt;'))
 
-    threshold = 1.0e-3 # for numerical comparison (also with matrices)
+    threshold = 1.0e-3   # for numerical comparison (also with matrices)
     DEBUG = debug
 
     if xml is not None:
-        DEBUG = xml.get('debug',False)	# override debug flag using attribute in symbolicmath xml
-        if DEBUG in ['0','False']:
+        DEBUG = xml.get('debug', False)  	# override debug flag using attribute in symbolicmath xml
+        if DEBUG in ['0', 'False']:
             DEBUG = False
 
     # options
@@ -236,8 +238,7 @@ def symmath_check(expect, ans, dynamath=None, options=None, debug=None, xml=None
     ###### PMathML input ######
     # convert mathml answer to formula
     try:
-        if dynamath:
-            mmlans = dynamath[0]
+        mmlans = dynamath[0] if dynamath else None
     except Exception, err:
         mmlans = None
     if not mmlans:
diff --git a/lms/static/admin/js/compress.py b/lms/static/admin/js/compress.py
index 8d2caa28ea..a23b431750 100644
--- a/lms/static/admin/js/compress.py
+++ b/lms/static/admin/js/compress.py
@@ -6,6 +6,7 @@ import sys
 
 here = os.path.dirname(__file__)
 
+
 def main():
     usage = "usage: %prog [file1..fileN]"
     description = """With no file paths given this script will automatically
diff --git a/lms/static/coffee/src/staff_grading/staff_grading.coffee b/lms/static/coffee/src/staff_grading/staff_grading.coffee
index 005a8e682e..117388bab0 100644
--- a/lms/static/coffee/src/staff_grading/staff_grading.coffee
+++ b/lms/static/coffee/src/staff_grading/staff_grading.coffee
@@ -212,55 +212,19 @@ class @StaffGrading
 
 
   setup_score_selection: =>
-    # first, get rid of all the old inputs, if any.
-    @grade_selection_container.html("""
-    <h3>Overall Score</h3>
-    <p>Choose an overall score for this submission.</p>
-    """)
-    # Now create new labels and inputs for each possible score.
-    for score in [0..@max_score]
-      id = 'score-' + score
-      label = """<label for="#{id}">#{score}</label>"""
-      input = """
-              <input type="radio" class="grade-selection" name="grade-selection" id="#{id}" value="#{score}"/>
-              """  # "  fix broken parsing in emacs
-      @grade_selection_container.append(input + label)
-    $('.grade-selection').click => @graded_callback()
-
     @score_selection_container.html(@rubric)
     $('.score-selection').click => @graded_callback()
 
 
   graded_callback: () =>
-    @grade = $("input[name='grade-selection']:checked").val()
-    if @grade == undefined
-      return
-    # check to see whether or not any categories have not been scored
-    num_categories = $('table.rubric tr').length
-    for i in [0..(num_categories-1)]
-      score = $("input[name='score-selection-#{i}']:checked").val()
-      if score == undefined
-        return
-    # show button if we have scores for all categories
-    @state = state_graded
-    @submit_button.show()
+   # show button if we have scores for all categories
+    if Rubric.check_complete()
+      @state = state_graded
+      @submit_button.show()
 
   set_button_text: (text) =>
     @action_button.attr('value', text)
 
-  # finds the scores for each rubric category
-  get_score_list: () =>
-    # find the number of categories:
-    num_categories = $('table.rubric tr').length
-
-    score_lst = []
-    # get the score for each one
-    for i in [0..(num_categories-1)]
-      score = $("input[name='score-selection-#{i}']:checked").val()
-      score_lst.push(score)
-
-    return score_lst
-
   ajax_callback: (response) =>
     # always clear out errors and messages on transition.
     @error_msg = ''
@@ -285,8 +249,8 @@ class @StaffGrading
 
   skip_and_get_next: () =>
     data =
-      score: @grade
-      rubric_scores: @get_score_list()
+      score: Rubric.get_total_score()
+      rubric_scores: Rubric.get_score_list()
       feedback: @feedback_area.val()
       submission_id: @submission_id
       location: @location
@@ -299,8 +263,8 @@ class @StaffGrading
 
   submit_and_get_next: () ->
     data =
-      score: @grade
-      rubric_scores: @get_score_list()
+      score: Rubric.get_total_score()
+      rubric_scores: Rubric.get_score_list()
       feedback: @feedback_area.val()
       submission_id: @submission_id
       location: @location
diff --git a/lms/static/sass/course.scss b/lms/static/sass/course.scss
index 17406782fe..60eda5a5c8 100644
--- a/lms/static/sass/course.scss
+++ b/lms/static/sass/course.scss
@@ -22,7 +22,7 @@
 @import 'course/courseware/sidebar';
 @import 'course/courseware/amplifier';
 @import 'course/layout/calculator';
-
+@import 'course/layout/timer';
 
 // course-specific courseware (all styles in these files should be gated by a
 // course-specific class). This should be replaced with a better way of
@@ -44,9 +44,9 @@
 @import "course/gradebook";
 @import "course/tabs";
 @import "course/staff_grading";
+@import "course/rubric";
 @import "course/open_ended_grading";
 
-
 // instructor
 @import "course/instructor/instructor";
 
diff --git a/lms/static/sass/course/_rubric.scss b/lms/static/sass/course/_rubric.scss
new file mode 100644
index 0000000000..5048d70253
--- /dev/null
+++ b/lms/static/sass/course/_rubric.scss
@@ -0,0 +1,52 @@
+.rubric {
+  margin: 40px 0px;
+  tr {
+      margin:10px 0px;
+      height: 100%;
+  }
+  td {
+      padding: 20px 0px 25px 0px;
+      height: 100%;
+      border: 1px black solid;
+      text-align: center;
+  }
+  th {
+      padding: 5px;
+      margin: 5px;
+      text-align: center;
+  }
+  .points-header th {
+      padding: 0px;
+  }
+  .rubric-label
+  {
+      position: relative;
+      padding: 0px 15px 15px 15px;
+      width: 130px;
+      min-height: 50px;
+      min-width: 50px;
+      font-size: .9em;
+      background-color: white;
+      display: block;
+  }
+  .grade {
+    position: absolute;
+    bottom:0px;
+    right:0px;
+    margin:10px;
+  }
+  .selected-grade,
+  .selected-grade .rubric-label {
+    background: #666;
+    color: white; 
+  }
+   input[type=radio]:checked + .rubric-label {
+    background: white;
+    color: $base-font-color; }
+  input[class='score-selection'] {
+      position: relative;
+      margin-left: 10px;
+      font-size: 16px;
+  }
+}
+
diff --git a/lms/static/sass/course/_staff_grading.scss b/lms/static/sass/course/_staff_grading.scss
index e3de7c8eab..1aaca8f077 100644
--- a/lms/static/sass/course/_staff_grading.scss
+++ b/lms/static/sass/course/_staff_grading.scss
@@ -12,7 +12,7 @@ div.peer-grading{
     label {
         margin: 10px;
         padding: 5px;
-        display: inline-block;
+        @include inline-block;
         min-width: 50px;
         background-color: #CCC;
         text-size: 1.5em;
@@ -176,49 +176,4 @@ div.peer-grading{
         }
     }
     padding: 40px;
-  .rubric {
-      tr {
-          margin:10px 0px;
-          height: 100%;
-      }
-      td {
-          padding: 20px 0px 25px 0px;
-          height: 100%;
-      }
-      th {
-          padding: 5px;
-          margin: 5px;
-      }
-      label,
-      .view-only {
-          margin:2px;
-          position: relative;
-          padding: 15px 15px 25px 15px;
-          width: 150px;
-          height:100%;
-          display: inline-block;
-          min-height: 50px;
-          min-width: 50px;
-          background-color: #CCC;
-          font-size: .9em;
-      }
-      .grade {
-        position: absolute;
-        bottom:0px;
-        right:0px;
-        margin:10px;
-      }
-      .selected-grade {
-        background: #666;
-        color: white; 
-      }
-      input[type=radio]:checked + label {
-        background: #666;
-        color: white; }
-      input[class='score-selection'] {
-        display: none; 
-      }
-  }
-    
 }
-
diff --git a/lms/static/sass/course/courseware/_sidebar.scss b/lms/static/sass/course/courseware/_sidebar.scss
index 4e893d2455..81b497d4f9 100644
--- a/lms/static/sass/course/courseware/_sidebar.scss
+++ b/lms/static/sass/course/courseware/_sidebar.scss
@@ -67,7 +67,7 @@ section.course-index {
     }
 
     .chapter {
-      width: 100%;
+      width: 100% !important;
       @include box-sizing(border-box);
       padding: 11px 14px;
       @include linear-gradient(top, rgba(255, 255, 255, .6), rgba(255, 255, 255, 0));
@@ -99,6 +99,8 @@ section.course-index {
       @include border-radius(0);
       margin: 0;
       padding: 9px 0 9px 9px;
+      overflow: auto;
+      width: 100%;
 
       li {
         border-bottom: 0;
diff --git a/lms/static/sass/course/layout/_timer.scss b/lms/static/sass/course/layout/_timer.scss
new file mode 100644
index 0000000000..6bfa1e6c8c
--- /dev/null
+++ b/lms/static/sass/course/layout/_timer.scss
@@ -0,0 +1,38 @@
+div.timer-main {
+  position: fixed;
+  z-index: 99;
+  top: 0;
+  right: 0;
+  width: 100%;
+  border-top: 2px solid #000;
+
+  div#timer_wrapper {
+    position: absolute;
+    top: -3px;
+    right: 10px;
+    background: #000;
+    color: #fff;
+    padding: 10px 20px;
+    border-radius: 3px;
+  }
+
+  .timer_return_url {
+    display: block;
+    margin-bottom: 5px;
+    border-bottom: 1px solid tint(#000, 20%);
+    padding-bottom: 5px;
+    font-size: 13px;
+  }
+
+  .timer_label {
+    color: #b0b0b0;
+    font-size: 13px;
+    margin-bottom: 3px;
+  }
+
+  #exam_timer {
+    font-weight: bold;
+    font-size: 15px;
+    letter-spacing: 1px;
+  }
+}
diff --git a/lms/templates/courseware/courseware.html b/lms/templates/courseware/courseware.html
index 1ea3df1b5a..fcbc83d815 100644
--- a/lms/templates/courseware/courseware.html
+++ b/lms/templates/courseware/courseware.html
@@ -59,12 +59,76 @@
         });
       });
   </script>
+
+% if timer_expiration_duration:
+  <script type="text/javascript">  
+    var timer = {
+      timer_inst : null,
+      end_time : null,
+      get_remaining_secs : function(endTime) {
+        var currentTime = new Date();
+        var remaining_secs = Math.floor((endTime - currentTime)/1000);
+        return remaining_secs;
+      },
+      get_time_string : function() {
+        function pretty_time_string(num) {
+          return ( num < 10 ? "0" : "" ) + num;
+        }
+        // count down in terms of hours, minutes, and seconds:
+        var hours = pretty_time_string(Math.floor(remaining_secs / 3600));
+        remaining_secs = remaining_secs % 3600;
+        var minutes = pretty_time_string(Math.floor(remaining_secs / 60));
+        remaining_secs = remaining_secs % 60;
+        var seconds = pretty_time_string(Math.floor(remaining_secs));      
+       
+        var remainingTimeString = hours + ":" + minutes + ":" + seconds;
+        return remainingTimeString;
+      },
+      update_time : function(self) {
+        remaining_secs = self.get_remaining_secs(self.end_time);
+        if (remaining_secs <= 0) {
+          self.end(self);
+        }
+        $('#exam_timer').text(self.get_time_string(remaining_secs));
+      },
+      start : function() { var that = this;
+        // set the end time when the template is rendered.
+        // This value should be UTC time as number of milliseconds since epoch.
+        this.end_time = new Date((new Date()).getTime() + ${timer_expiration_duration});
+        this.timer_inst = setInterval(function(){ that.update_time(that); }, 1000);
+      },
+      end : function(self) {
+        clearInterval(self.timer_inst);
+        // redirect to specified URL:
+        window.location = "${time_expired_redirect_url}"; 
+      }
+    }  
+    // start timer right away: 
+    timer.start(); 
+  </script>
+% endif
+
 </%block>
 
-<%include file="/courseware/course_navigation.html" args="active_page='courseware'" />
+% if timer_expiration_duration:
+<div class="timer-main">
+  <div id="timer_wrapper">
+    % if timer_navigation_return_url:
+    <a href="${timer_navigation_return_url}" class="timer_return_url">Return to Exam</a>
+    % endif
+    <div class="timer_label">Time Remaining:</div> <div id="exam_timer" class="timer_value">&nbsp;</div>
+  </div>
+</div>
+% endif
+
+% if accordion:
+ <%include file="/courseware/course_navigation.html" args="active_page='courseware'" />
+% endif
 
 <section class="container">
   <div class="course-wrapper">
+
+% if accordion:
     <section aria-label="Course Navigation" class="course-index">
       <header id="open_close_accordion">
         <a href="#">close</a>
@@ -76,6 +140,7 @@
         </nav>
       </div>
     </section>
+% endif
 
     <section class="course-content">
       ${content}
diff --git a/lms/templates/courseware/instructor_dashboard.html b/lms/templates/courseware/instructor_dashboard.html
index 7b177c6b6c..a31ee0025e 100644
--- a/lms/templates/courseware/instructor_dashboard.html
+++ b/lms/templates/courseware/instructor_dashboard.html
@@ -64,6 +64,7 @@ function goto( mode)
           <a href="#" onclick="goto('Admin');" class="${modeflag.get('Admin')}">Admin</a> |
           <a href="#" onclick="goto('Forum Admin');" class="${modeflag.get('Forum Admin')}">Forum Admin</a> |
           <a href="#" onclick="goto('Enrollment');" class="${modeflag.get('Enrollment')}">Enrollment</a> |
+          <a href="#" onclick="goto('Data');" class="${modeflag.get('Data')}">DataDump</a> |
           <a href="#" onclick="goto('Manage Groups');" class="${modeflag.get('Manage Groups')}">Manage Groups</a> ]
     </h2>
 
@@ -269,6 +270,20 @@ function goto( mode)
 
 ##----------------------------------------------------------------------------- 
 
+%if modeflag.get('Data'):
+    <hr width="40%" style="align:left">
+    <p>
+    <input type="submit" name="action" value="Download CSV of all student profile data">
+    </p>
+    <p> Problem urlname: 
+        <input type="text" name="problem_to_dump" size="40">
+        <input type="submit" name="action" value="Download CSV of all responses to problem">
+    </p>
+    <hr width="40%" style="align:left">
+%endif
+  
+##----------------------------------------------------------------------------- 
+
 %if modeflag.get('Manage Groups'):
   %if instructor_access:
     <hr width="40%" style="align:left">
diff --git a/lms/templates/instructor/staff_grading.html b/lms/templates/instructor/staff_grading.html
index 56aed5a54a..dcfece34b8 100644
--- a/lms/templates/instructor/staff_grading.html
+++ b/lms/templates/instructor/staff_grading.html
@@ -75,6 +75,7 @@
   </p>
   <p class="grade-selection-container">
   </p>
+  <h3>Written Feedback</h3>
   <textarea name="feedback" placeholder="Feedback for student (optional)"
             class="feedback-area" cols="70" ></textarea>
 </div>
diff --git a/lms/templates/main.html b/lms/templates/main.html
index 5d3fd29104..42d5a71228 100644
--- a/lms/templates/main.html
+++ b/lms/templates/main.html
@@ -29,13 +29,18 @@
 
 <body class="<%block name='bodyclass'/>">
 
+% if not suppress_toplevel_navigation:
   <%include file="navigation.html" />
+% endif
+
   <section class="content-wrapper">
     ${self.body()}
     <%block name="bodyextra"/>
   </section>
 
+% if not suppress_toplevel_navigation:
   <%include file="footer.html" />
+% endif
 
   <%static:js group='application'/>
   <%static:js group='module-js'/>
diff --git a/lms/templates/open_ended_rubric.html b/lms/templates/open_ended_rubric.html
index 8d40c7d2b8..eb3fc564b4 100644
--- a/lms/templates/open_ended_rubric.html
+++ b/lms/templates/open_ended_rubric.html
@@ -8,26 +8,33 @@
     <p>Select the criteria you feel best represents this submission in each category.</p>
     % endif
     <table class="rubric">
+        <tr class="points-header">
+            <th></th>
+        % for i in range(max_score + 1):
+            <th>   
+                ${i} points
+            </th>
+        % endfor
+        </tr>
         % for i in range(len(categories)):
             <% category = categories[i] %>
         <tr>
             <th>${category['description']}</th>
             % for j in range(len(category['options'])):
                 <% option = category['options'][j] %>
+            %if option['selected']:
+            <td class="selected-grade">
+            %else:
             <td>
+            % endif
                 % if view_only:
                     ## if this is the selected rubric block, show it highlighted
-                    % if option['selected']:
-                        <div class="view-only selected-grade">
-                    % else:
-                        <div class="view-only">
-                    % endif
+                        <div class="rubric-label">
                         ${option['text']}
-                        <div class="grade">[${option['points']} points]</div>
                         </div>
                 % else:
                     <input type="radio" class="score-selection" name="score-selection-${i}" id="score-${i}-${j}" value="${option['points']}"/>
-                    <label for="score-${i}-${j}">${option['text']}</label>
+                    <label class="rubric-label" for="score-${i}-${j}">${option['text']}</label>
                 % endif
             </td>
             % endfor
diff --git a/lms/templates/peer_grading/peer_grading_problem.html b/lms/templates/peer_grading/peer_grading_problem.html
index 007fd42c8d..5963691700 100644
--- a/lms/templates/peer_grading/peer_grading_problem.html
+++ b/lms/templates/peer_grading/peer_grading_problem.html
@@ -52,7 +52,9 @@
           <p class="rubric-selection-container"></p>
           <p class="score-selection-container">
           </p>
-          <textarea name="feedback" placeholder="Feedback for student (optional)"
+          <h3>Written Feedback</h3>
+          <p>Please include some written feedback as well.</p>
+          <textarea name="feedback" placeholder="Feedback for student"
                     class="feedback-area" cols="70" ></textarea>
           <p class="flag-student-container">Flag this submission for review by course staff (use if the submission contains inappropriate content): <input type="checkbox" class="flag-checkbox" value="student_is_flagged"></p>
         </div>
diff --git a/lms/templates/self_assessment_rubric.html b/lms/templates/self_assessment_rubric.html
index b4fc125232..2986c5041a 100644
--- a/lms/templates/self_assessment_rubric.html
+++ b/lms/templates/self_assessment_rubric.html
@@ -2,20 +2,4 @@
     <div class="rubric">
     ${rubric | n }
     </div>
-
-    % if not read_only:
-    <div class="scoring-container">
-    <h3>Scoring</h3>
-    <p>Please select a score below:</p>
-
-    <div class="grade-selection">
-    %for i in xrange(0,max_score+1):
-    <% id = "score-{0}".format(i) %>
-        <input type="radio" class="grade-selection" name="grade-selection" value="${i}" id="${id}">
-        <label for="${id}">${i}</label>
-    %endfor
-    </div>
-    </div>
-    % endif
-
 </div>
diff --git a/lms/templates/signup_modal.html b/lms/templates/signup_modal.html
index 22a4a93499..01bc17bd65 100644
--- a/lms/templates/signup_modal.html
+++ b/lms/templates/signup_modal.html
@@ -21,7 +21,7 @@
         <div class="input-group">
 	  % if has_extauth_info is UNDEFINED:
           <label data-field="email">E-mail*</label>
-          <input name="email" type="email" placeholder="eg. example@edx.org">
+          <input name="email" type="email" placeholder="eg. yourname@domain.com">
           <label data-field="password">Password*</label>
           <input name="password" type="password" placeholder="****">
           <label data-field="username">Public Username*</label>
diff --git a/lms/templates/staff_problem_info.html b/lms/templates/staff_problem_info.html
index 61cda0c52b..9324445dd1 100644
--- a/lms/templates/staff_problem_info.html
+++ b/lms/templates/staff_problem_info.html
@@ -1,5 +1,6 @@
 ${module_content}
-%if edit_link:
+%if location.category in ['problem','video','html']:
+%  if edit_link:
 <div>
 	<a href="${edit_link}">Edit</a> /
 	<a href="#${element_id}_xqa-modal" onclick="javascript:getlog('${element_id}', {
@@ -9,7 +10,7 @@ ${module_content}
         'user': '${user}'
      })" id="${element_id}_xqa_log">QA</a>
 </div>
-% endif
+%  endif
 <div><a href="#${element_id}_debug" id="${element_id}_trig">Staff Debug Info</a></div>
 
 <section id="${element_id}_xqa-modal" class="modal xqa-modal" style="width:80%; left:20%; height:80%; overflow:auto" >
@@ -74,3 +75,5 @@ category = ${category | h}
         'user': '${user}'
     });
 </script>
+%endif
+
diff --git a/lms/templates/static_templates/jobs.html b/lms/templates/static_templates/jobs.html
index 621e25b0bd..da31e07e42 100644
--- a/lms/templates/static_templates/jobs.html
+++ b/lms/templates/static_templates/jobs.html
@@ -14,17 +14,17 @@
         <img src="${static.url('images/jobs.jpeg')}">
       </div>
       <header>
-      <h2>Our mission is to transform learning.</h2>
+        <h2>Our mission is to transform learning.</h2>
 
-      <blockquote>
-        <p>&ldquo;EdX represents a unique opportunity to improve education on our campuses through online learning, while simultaneously creating a bold new educational path for millions of learners worldwide.&rdquo;</p>
-        <cite>&mdash;Rafael Reif, MIT President </cite>
-      </blockquote>
+        <blockquote>
+          <p>&ldquo;EdX represents a unique opportunity to improve education on our campuses through online learning, while simultaneously creating a bold new educational path for millions of learners worldwide.&rdquo;</p>
+          <cite>&mdash;Rafael Reif, MIT President </cite>
+        </blockquote>
 
-      <blockquote>
-        <p>&ldquo;EdX gives Harvard and MIT an unprecedented opportunity to dramatically extend our collective reach by conducting groundbreaking research into effective education and by extending online access to quality higher education.&rdquo;</p>
-        <cite>&mdash;Drew Faust, Harvard President</cite>
-      </blockquote>
+        <blockquote>
+          <p>&ldquo;EdX gives Harvard and MIT an unprecedented opportunity to dramatically extend our collective reach by conducting groundbreaking research into effective education and by extending online access to quality higher education.&rdquo;</p>
+          <cite>&mdash;Drew Faust, Harvard President</cite>
+        </blockquote>
       </header>
     </div>
   </section>
@@ -34,25 +34,45 @@
   <section class="jobs-wrapper">
     <section class="jobs-listing">
 
-      <article id="" class="job">
+      <article id="intro" class="job">
         <div class="inner-wrapper">
           <h3>EdX is looking to add new talent to our team! </h3>
           <p align="center"><em>Our mission is to give a world-class education to everyone, everywhere, regardless of gender, income or social status</em></p>
           <p>Today, EdX.org, a not-for-profit provides hundreds of thousands of people from around the globe with access to free education.&nbsp; We offer amazing quality classes by the best professors from the best schools. We enable our members to uncover a new passion that will transform their lives and their communities.</p>
-          <p>Around the world-from coast to coast, in over 192 countries, people are making the decision to take one or several of our courses. As we continue to grow our operations, we are looking for talented, passionate people with great ideas to join the edX team. We aim to create an environment that is supportive, diverse, and as fun as our brand. If you're results-oriented, dedicated, and ready to contribute to an unparalleled member experience for our community, we really want you to apply.</p>
+          <p>Around the world-from coast to coast, in over 192 countries, people are making the decision to take one or several of our courses. As we continue to grow our operations, we are looking for talented, passionate people with great ideas to join the edX team. We aim to create an environment that is supportive, diverse, and as fun as our brand. If you&rsquo;re results-oriented, dedicated, and ready to contribute to an unparalleled member experience for our community, we really want you to apply.</p>
           <p>As part of the edX team, you&rsquo;ll receive:</p>
           <ul>
             <li>Competitive compensation</li>
             <li>Generous benefits package</li>
             <li>Free lunch every day</li>
-            <li>A great working experience where everyone cares</li>
+            <li>A great working experience where everyone cares and wants to change the world (no, we’re not kidding)</li>
           </ul>
-          <p>While we appreciate every applicant's interest, only those under consideration will be contacted. We regret that phone calls will not be accepted.</p>
+          <p>While we appreciate every applicant&rsquo;s interest, only those under consideration will be contacted. We regret that phone calls will not be accepted.  Equal opportunity employer.</p>
         </div>
       </article>
 
 
-        <article id="associate-legal-counsel" class="job">
+      <!-- Template        
+           <article id="SOME-JOB" class="job">
+             <div class="inner-wrapper">
+               <h3><strong>TITLE</strong></h3>
+               <p>INTRO</p>
+               <p><strong>Responsibilities:</strong></p>
+               <ul>
+                 <li>A LIST</li>
+               </ul>
+               <p><strong>Qualifications:</strong></p>
+               <ul>
+                 <li>A LIST</li>
+               </ul>
+               
+               <p>TEXT</p>
+               <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+             </div>
+           </article>
+           -->
+      
+      <article id="associate-legal-counsel" class="job">
         <div class="inner-wrapper">
           <h3><strong>ASSOCIATE LEGAL COUNSEL</strong></h3>
 
@@ -67,133 +87,375 @@
           </ul>
 
           <p><strong>Requirements:</strong></p>
-          <li>JD from an accredited law school</li>
-          <li>Massachusetts bar admission required</li>
-          <li>2-3 years of transactional experience at a major law firm and/or as an in-house counselor</li>
-          <li>Substantial IP licensing experience</li>
-          <li>Knowledge of copyright, trademark and patent law</li>
-          <li>Experience with open source content and open source software preferred</li>
-          <li>Outstanding communications skills (written and oral)</li>
-          <li>Experience with drafting and legal review of internet privacy policies and terms of use.</li>
-          <li>Understanding of how to balance legal risks with business objectives</li>
-          <li>Ability to develop an innovative approach to legal issues in support of strategic business initiatives</li>
-          <li>An internal business and customer focused proactive attitude with ability to prioritize effectively</li>
-          <li>Experience with higher education preferred but not required</li>
-        </ul>
-        <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
 
-      </div>
+          <ul>
+            <li>JD from an accredited law school</li>
+            <li>Massachusetts bar admission required</li>
+            <li>2-3 years of transactional experience at a major law firm and/or as an in-house counselor</li>
+            <li>Substantial IP licensing experience</li>
+            <li>Knowledge of copyright, trademark and patent law</li>
+            <li>Experience with open source content and open source software preferred</li>
+            <li>Outstanding communications skills (written and oral)</li>
+            <li>Experience with drafting and legal review of Internet privacy policies and terms of use.</li>
+            <li>Understanding of how to balance legal risks with business objectives</li>
+            <li>Ability to develop an innovative approach to legal issues in support of strategic business initiatives</li>
+            <li>An internal business and customer focused proactive attitude with ability to prioritize effectively</li>
+            <li>Experience with higher education preferred but not required</li>
+          </ul>
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+
+        </div>
+      </article>
+
+      <article id="director-of-education-services" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>DIRECTOR OF EDUCATIONAL SERVICES</strong></h3>
+          <p>The edX Director of Education Services reporting to the VP of Engineering and Educational Services is responsible for:</p>
+          <ol>
+            <li>Delivering 20 new courses in 2013 in collaboration with the partner Universities
+              <ul>
+                <li><p>Reporting to the Director of Educational Services are the Video production team, responsible for post-production of Course Video.  The Director must understand how to balance artistic quality and learning objectives, and reduce production time so that video capabilities are readily accessible and at reasonable costs.</p>
+                <li>Reporting to the Director are a small team of Program Managers, who are responsible for managing the day to day of course production and operations.  The Director must be experienced in capacity planning and operations, understand how to deploy lean collaboration and able to build alliances inside edX and the University.  In conjunction with the Program Managers, the Director of Educational Services will supervise the collection of research, the retrospectives with Professors and the assembly of best practices in course production and operations.  The three key deliverables are the use of a well-defined lean process for onboarding Professors, the development of tracking tools, and assessment of effectiveness of Best Practices.
+                <li> Also reporting to the Director of Education Services are content engineers and Course Fellows, skilled in the development of edX assessments.  The Director of Educational Services will also be responsible for communicating to the VP of Engineering requirements for new types of course assessments.  Course Fellows are extremely talented Ph.D.’s who work directly with the Professors to define and develop assessments and course curriculum.</li>
+              </ul>
+            </li>
+            <li>Training and Onboarding of 30 Partner Universities and Affiliates
+              <ul>
+                <li>The edX Director of Educational Services is responsible for building out the Training capabilities and delivery mechanisms for onboarding Professors at partner Universities. The edX Director must build out both the Training Team and the curriculum.  Training will be delivered in both online courses, self-paced formats, and workshops.  The training must cover a curriculum that enables partner institutions to be completely independent.  Additionally, partner institutions should be engaged to contribute to the curriculum and partner with edX in the delivery of the material.  The curriculum must exemplify the best in online learning, so the Universities are inspired to offer the kind of learning they have experienced in their edX Training.</li>
+                <li>Expand and extend the education goals of the partner Universities by operationalizing best practices.</li>
+                <li>Engage with University Boards to design and define the success that the technology makes possible.</li>
+              </ul>
+            </li>
+            <li>Growing the Team, Growing the Business
+              <ul>
+                <li>The edX Director will be responsible for working with Business Development to identify revenue opportunities and build profitable plans to grow the business and grow the team.</li>
+                <li>Maintain for-profit nimbleness in an organization committed to non-profit ideals.</li>
+                <li>Design scalable solutions to opportunities revealed by technical innovations</li>
+              </ul>
+            </li>
+            <li>Integrating a Strong Team within Strong Organization
+              <ul>
+                <li>Connect organization’s management and University leadership with consistent and high quality expectations and deployment</li>
+                <li>Integrate with a highly collaborative leadership team to maximize talents of the organization</li>
+                <li>Successfully escalate issues within and beyond the organization to ensure the best possible educational outcome for students and Universities</li>
+              </ul>
+            </li>
+          </ol>
+          <p><strong>Skills:</strong></p>
+          <ul>
+            <li>Ability to lead simultaneous initiatives in an entrepreneurial culture</li>
+            <li>Self-starter, challenger, strategic planner, analytical thinker</li>
+            <li>Excellent written and verbal skills</li>
+            <li>Strong, proactive leadership</li>
+            <li>Experience with deploying educational technologies on a large scale</li>
+            <li>Develop team skills in a ferociously intelligent group</li>
+            <li>Fan the enthusiasm of the partner Universities when the enormity of the transition they are facing becomes intimidating</li>
+            <li>Encourage creativity to allow the technology to provoke pedagogical possibilities that brick and mortar classes have precluded.</li>
+            <li>Lean and Agile thinking and training.  Experienced in scrum or kanban.</li>
+            <li>Design and deliver hiring/development plans which meet rapidly changing skill needs.</li>
+          </ul>
+          
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
+      <article id="manager-of-training-services" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>MANAGER OF TRAINING SERVICES</strong></h3>
+          <p>The Manager of Training Services is an integral member of the edX team, a leader who is also a doer, working  hands-on in the development and delivery of edX&rsquo;s training portfolio. Reporting to the Director of Educational Services, the manager will be a strategic thinker, providing leadership and vision in the development of world-class training solutions tailored to meet the diverse needs of edX Universities, partners and stakeholders</p>
+          <p><strong>Responsibilities:</strong></p>
+          <ul>
+            <li>Working with the Director of Educational Services, create and manage a world-class training program that includes in-person workshops and online formats such as self-paced courses, and webinars.</li>
+            <li>Work across a talented team of product developers, video producers and content experts to identify training needs and proactively develop training curricula for new products and services as they are deployed.</li>
+            <li>Develop the means for sharing and showcasing edX best practices for both internal and external audiences.</li>
+            <li>Apply sound instructional design theory and practice in the development of all edX training resources. </li>
+            <li>Work with program managers to develop training benchmarks and Key Performance Indicators. Monitor progress and proactively make adjustments as necessary.</li>
+            <li>Collaborate with product development on creating documentation and user guides. </li>
+            <li>Provide on-going evaluation of the effectiveness of edX training programs.</li>
+            <li>Assist in the revision/refinement of training curricula and resources. </li>
+            <li>Grow a train-the-trainer organization with edX partners, identifying expert edX users to provide on-site peer assistance. </li>
+            <li>Deliver internal and external trainings.</li>
+            <li>Coordinate with internal teams to ensure appropriate preparation for trainings, and follow-up after delivery.</li>
+            <li>Maintain training reporting database and training records.</li>
+            <li>Produce training evaluation reports, training support plans, and training improvement plans. </li>
+            <li>Quickly become an expert on edX’s standards, procedures and tools.</li>
+            <li>Stay current on emerging trends in eLearning, platform support and implementation strategy.</li>
+          </ul>
+          <p><strong>Requirements:</strong></p>
+          <ul>
+            <li>Minimum of 5-7 years experience developing and delivering educational training, preferably in an educational technology organization. </li>
+            <li>Lean and Agile thinking and training. Experienced in Scrum or kanban.</li>
+            <li>Excellent interpersonal skills including proven presentation and facilitation skills.</li>
+            <li>Strong oral and written communication skills.</li>
+            <li>Proven experience with production and delivery of online training programs that utilize asychronous and synchronous delivery mechanisms. </li>
+            <li>Flexibility to work on a variety of initiatives; prior startup experience preferred.</li>
+            <li>Outstanding work ethic, results-oriented, and creative/innovative style.</li>
+            <li>Proactive, optimistic approach to problem solving.</li>
+            <li>Commitment to constant personal and organizational improvement.</li>
+            <li>Willingness to travel to partner sites as needed.   </li>
+            <li>Bachelors required, Master’s in Education, organizational learning, or other related field preferred. </li>
+          </ul>
+          
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
       </article>
 
       <article id="instructional-designer" class="job">
         <div class="inner-wrapper">
-        <h3><strong>INSTRUCTIONAL DESIGNER</strong> &mdash; CONTRACT OPPORTUNITY</h3>
-        <p>The Instructional Designer will work collaboratively with the edX content and engineering teams to plan, develop and deliver highly engaging and media rich online courses. The Instructional Designer will be a flexible thinker, able to determine and apply sound pedagogical strategies to unique situations and a diverse set of academic disciplines.</p>
-        <p><strong>Responsibilities:</strong></p>
-        <ul>
-          <li>Work with the video production team, product managers and course staff on the implementation of instructional design approaches in the development of media and other course materials.</li>
-          <li>Based on course staff and faculty input, articulate learning objectives and align them to design strategies and assessments.</li>
-          <li>Develop flipped classroom instructional strategies in coordination with community college faculty. </li>
-          <li>Produce clear and instructionally effective copy, instructional text, and audio and video scripts</li>
-          <li>Identify and deploy instructional design best practices for edX course staff and faculty as needed.</li>
-          <li>Create course communication style guides. Train and coach teaching staff on best practices for communication and discussion management.</li>
-          <li>Serve as a liaison to instructional design teams based at X universities.</li>
-          <li>Consult on peer review processes to be used by learners in selected courses.</li>
-          <li>Ability to apply game-based learning theory and design into selected courses as appropriate.</li>
-          <li>Use learning analytics and metrics to inform course design and revision process.</li>
-          <li>Collaborate with key research and learning sciences stakeholders at edX and partner institutions for the development of best practices for MOOC teaching and learning and course design.</li>
-          <li>Support the development of pilot courses and modules used for sponsored research initiatives.</li>
-        </ul>
-        <p><strong>Qualifications:</strong></p>
-        <ul>
-          <li>Master's Degree in Educational Technology, Instructional Design or related field. Experience in higher education with additional experience in a start-up or research environment preferable.</li>
-          <li>Excellent interpersonal and communication (written and verbal), project management, problem-solving and time management skills. The ability to be flexible with projects and to work on multiple courses essential. Ability to meet deadlines and manage expectations of constituents.</li>
-          <li>Capacity to develop new and relevant technology skills. Experience using game theory design and learning analytics to inform instructional design decisions and strategy.</li>
-          <li>Technical Skills:  Video and screencasting experience. LMS Platform experience, xml, HTML, CSS, Adobe Design Suite, Camtasia or Captivate experience. Experience with web 2.0 collaboration tools.</li>
-        </ul>
-        <p>Eligible candidates will be invited to respond to an Instructional Design task based on current or future edX course development needs.</p>
-        <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
-        </div>
-      </article>
-
-      <article id="member-services-manager" class="job">
-        <div class="inner-wrapper">
-        <h3><strong>MEMBER SERVICES MANAGER </strong></h3>
-          <p>The edX Member Services Manager is responsible for both defining support best practices and directly supporting edX members by handling or routing issues that come in from our websites, email and social media tools.&nbsp; We are looking for a passionate person to help us define and own this experience. While this is a Manager level position, we see this candidate quickly moving through the ranks, leading a larger team of employees over time. This staff member will be running our fast growth support organization.</p>
+          <h3><strong>INSTRUCTIONAL DESIGNER</strong></h3>
+          <p>The Instructional Designer will work collaboratively with the edX content and engineering teams to plan, develop and deliver highly engaging and media rich online courses. The Instructional Designer will be a flexible thinker, able to determine and apply sound pedagogical strategies to unique situations and a diverse set of academic disciplines.</p>
           <p><strong>Responsibilities:</strong></p>
           <ul>
-            <li>Define and rollout leading technology, best practices and policies to support a growing team of member care representatives.</li>
-            <li>Provide reports and visibility into member care metrics.</li>
-            <li>Identify a staffing plan that mirrors growth and work to grow the team with passionate, member-first focused staff.</li>
-            <li>Manage member services staff to predefined service levels. </li>
-            <li>Resolve issues according to edX policies; escalates non-routine issues.</li>
-            <li>Educate members on edX policies and getting started</li>
-            <li>May assist new members with edX procedures and processing registration issues.</li>
-            <li>Provides timely follow-up and resolution to issues.</li>
-            <li>A passion for doing the right thing - at edX the member is always our top priority<br>
-            </li>
+            <li>Work with the video production team, product managers and course staff on the implementation of instructional design approaches in the development of media and other course materials.</li>
+            <li>Based on course staff and faculty input, articulate learning objectives and align them to design strategies and assessments.</li>
+            <li>Develop flipped classroom instructional strategies in coordination with community college faculty.</li>
+            <li>Produce clear and instructionally effective copy, instructional text, and audio and video scripts</li>
+            <li>Identify and deploy instructional design best practices for edX course staff and faculty as needed.</li>
+            <li>Create course communication style guides. Train and coach teaching staff on best practices for communication and discussion management.</li>
+            <li>Serve as a liaison to instructional design teams based at our partner Universities.</li>
+            <li>Consult on peer review processes to be used by learners in selected courses.</li>
+            <li>Ability to apply game-based learning theory and design into selected courses as appropriate.</li>
+            <li>Use learning analytics and metrics to inform course design and revision process.</li>
+            <li>Collaborate with key research and learning sciences stakeholders at edX and partner institutions for the development of best practices for MOOC teaching and learning and course design.</li>
+            <li>Support the development of pilot courses and modules used for sponsored research initiatives.</li>
           </ul>
           <p><strong>Qualifications:</strong></p>
           <ul>
-            <li>5-8 years in a call center or support team management</li>
-            <li>Exemplary customer service skills</li>
-            <li>Experience in creating and rolling out support/service best practices </li>
-            <li>Solid computer skills &ndash; must be fluent with desktop applications and have a basic understanding of web technologies (i.e. basic HTML)</li>
-            <li>Problem solving - the individual identifies and resolves problems in a timely manner, gathers and analyzes information skillfully and maintains confidentiality.</li>
-            <li>Interpersonal skills - the individual maintains confidentiality, remains open to others' ideas and exhibits willingness to try new things.</li>
-            <li>Oral communication - the individual speaks clearly and persuasively in positive or negative situations and demonstrates group presentation skills.</li>
-            <li>Written communication &ndash; the individual edits work for spelling and grammar, presents numerical data effectively and is able to read and interpret written information.</li>
-            <li>Adaptability - the individual adapts to changes in the work environment, manages competing demands and is able to deal with frequent change, delays or unexpected events.</li>
-            <li>Dependability - the individual is consistently at work and on time, follows instructions, responds to management direction and solicits feedback to improve performance.</li>
-            <li>College degree</li>
+            <li>Master's Degree in Educational Technology, Instructional Design or related field. Experience in higher education with additional experience in a start-up or research environment preferable.</li>
+            <li>Excellent interpersonal and communication (written and verbal), project management, problem-solving and time management skills. The ability to be flexible with projects and to work on multiple courses essential.</li> Ability to meet deadlines and manage expectations of constituents.
+            <li>Capacity to develop new and relevant technology skills. Experience using game theory design and learning analytics to inform instructional design decisions and strategy.</li>
+            <li>Technical Skills: Video and screencasting experience. LMS Platform experience, xml, HTML, CSS, Adobe Design Suite, Camtasia or Captivate experience. Experience with web 2.0 collaboration tools.</li>
+          </ul>
+          
+          <p>Eligible candidates will be invited to respond to an Instructional Design task based on current or future edX course development needs.</p>
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
+
+      <article id="program-manager" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>PROGRAM MANAGER</strong></h3>
+          <p>edX Program Managers (PM) lead the edX's course production process. They are systems thinkers who manage the creation of a course from start to finish. PMs work with University Professors and course staff to help them take advantage of edX services to create world class online learning offerings and encourage the exploration of an emerging form of higher education.</p>
+          <p><strong>Responsibilities:</strong></p>
+          <ul>
+            <li>Create and execute the course production cycle. PMs are able to examine and explain what they do in great detail and able to think abstractly about people, time, and processes. They coordinate the efforts of multiple</li> teams engaged in the production of the courses assigned to them.
+            <li>Train partners and drive best practices adoption. PMs train course staff from partner institutions and help them adopt best practices for workflow and tools. </li>
+            <li>Build capacity. Mentor staff at partner institutions, train the trainers that help them scale their course production ability.</li>
+            <li>Create visibility. PMs are responsible for making the state of the course production system accessible and comprehensible to all stakeholders. They are capable of training Course development teams in Scrum and</li> Kanban, and are Lean thinkers and educators.
+            <li>Improve workflows. PMs are responsible for carefully assessing the methods and outputs of each course and adjusting them to take best advantage of available resources.</li>
+            <li>Encourage innovation. Spark creativity in course teams to build new courses that could never be produced in brick and mortar settings.</li>
+          </ul>
+          <p><strong>Qualifications:</strong></p>
+          <ul>
+            <li>Bachelor's Degree. Master's Degree preferred.</li>
+            <li>At least 2 years of experience working with University faculty and administrators.</li>
+            <li>Proven record of successful Scrum or Kanban project management, including use of project management tools. </li>
+            <li>Ability to create processes that systematically provide solutions to open ended challenges.</li>
+            <li>Excellent interpersonal and communication (written and verbal) skills, the ability to define and solve technical, process and organizational problems, and time management skills.</li>
+            <li>Proactive, optimistic approach to problem solving.</li>
+            <li>Commitment to constant personal and organizational improvement.</li>
+          </ul>
+
+          <p><strong>Preferred qualifications</strong></p>          
+          <ul>
+            <li>Some teaching experience, </li>
+            <li>Online course design and development experience.</li>
+            <li>Experience with Lean and Agile thinking and processes.</li>
+            <li>Experience with online collaboration tools</li>
+            <li>Familiarity with video production.</li>
+            <li>Basic HTML, XML, programming skills.</li>
+
           </ul>
           <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
         </div>
       </article>
 
-      <article id="director_of_pr_and_communications" class="job">
+      <article id="project-manager-pmo" class="job">
         <div class="inner-wrapper">
-          <h3><strong>DIRECTOR OF PR AND COMMUNICATIONS</strong></h3>
-          <p>The edX Director of PR & Communications is responsible for creating and executing all PR strategy and providing company-wide leadership to help create and refine the edX core messages and identity as the revolutionary global leader in both on-campus and worldwide education. The Director will design and direct a communications program that conveys cohesive and compelling information about edX's mission, activities, personnel and products while establishing a distinct identity for edX as the leader in online education for both students and learning institutions.</p>
+          <h3><strong>PROJECT MANAGER (PMO)</strong></h3>
+          <p>As a fast paced, rapidly growing organization serving the evolving online higher education market, edX maximizes its talents and resources.  To help make the most of this unapologetically intelligent and dedicated team, we seek a project manager to increase the accuracy of our resource and schedule estimates and our stakeholder satisfaction.</p>
           <p><strong>Responsibilities:</strong></p>
           <ul>
-            <li>Develop and execute goals and strategy for a comprehensive external and internal communications program focused on driving student engagement around courses and institutional adoption of the edX learning platform.</li>
-            <li>Work with media, either directly or through our agency of record, to establish edX as the industry leader in global learning.</li>
-            <li>Work with key influencers including government officials on a global scale to ensure the edX mission, content and tools are embraced and supported worldwide.</li>
-            <li>Work with marketing colleagues to co-develop and/or monitor and evaluate the content and delivery of all communications messages and collateral.</li>
-            <li>Initiate and/or plan thought leadership events developed to heighten target-audience awareness; participate in meetings and trade shows</li>
-            <li>Conduct periodic research to determine communications benchmarks</li>
-            <li>Inform employees about edX's vision, values, policies, and strategies to enable them to perform their jobs efficiently and drive morale.</li>
-            <li>Work with and manage existing communications team to effectively meet strategic goals.</li>
+            <li>Coordinate multiple projects to bring Courses, Software Product and Marketing initiatives to market, all of which are related, which have both dedicated and shared resources.</li>
+            <li>Provide, at a moment’s notice, the state of development, so that priorities can be enforced or reset, so that future expectations can be set accurately.</li>
+            <li>Develop lean processes that supports a wide variety of efforts which draw on a shared resource pool.</li>
+            <li>Develop metrics on resource use that support the leadership team in optimizing how they respond to unexpected challenges and new opportunities.</li>
+            <li>Accurately and clearly escalate only those issues which need escalation for productive resolution.  Assist in establishing consensus for all other issues.</li>
+            <li>Advise the team on best practices, whether developed internally or as industry standards.</li>
+            <li>Recommend to the leadership team how to re-deploy key resources to better match stated priorities.</li>
+            <li>Help the organization deliver on its commitments with more consistency and efficiency.  Allow the organization to respond to new opportunities with more certainty in its ability to forecast resource needs.</li>
+            <li>Select and maintain project management tools for Scrum and Kanban that can serve as the standard for those we use with our partners.</li>
+            <li>Forecast future resource needs given the strategic direction of the organization.</li>
           </ul>
-          <p><strong>Qualifications:</strong></p>
+          <p><strong>Skills:</strong></p>
           <ul>
-            <li>Ten years of experience in PR and communications</li>
-            <li>Ability to work creatively and provide company-wide leadership in a fast-paced, dynamic start-up environment required</li>
-            <li>Adaptability - the individual adapts to changes in the work environment, manages competing demands and is able to deal with frequent change, delays or unexpected events.</li>
-            <li>Experience in working in successful consumer-focused startups preferred</li>
-            <li>PR agency experience in setting strategy for complex multichannel, multinational organizations a plus.</li>
-            <li>Extensive writing experience and simply amazing oral, written, and interpersonal communications skills</li>
-            <li>B.A./B.S. in communications or related field</li>
+            <li>Bachelor’s degree or higher</li>
+            <li>Exquisite communication skills, especially listening</li>
+            <li>Inexhaustible attention to detail with the ability to let go of perfection</li>
+            <li>Deep commitment to Lean project management, including a dedication to its best intentions not just its rituals</li>
+            <li>Sense of humor and humility</li>
+            <li>Ability to hold on to the important in the face of the urgent</li>
           </ul>
           <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
         </div>
-      <article>
+      </article>
+
+
+      <article id="director-of-product-management" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>DIRECTOR, PRODUCT MANAGEMENT</strong></h3>
+          <p>When the power of edX is at its fullest, individuals become the students they had always hoped to be, Professors teach the courses they had always imagined and Universities offer educational opportunities never before seen.  None of that happens by accident, so edX is seeking a Product Manager who can keep their eyes on the future and their heart and hands with a team of ferociously intelligent and dedicated technologists.
+          </p>
+          <p>The responsibility of a Product Manager is first and foremost to provide evidence to the development team that what they build will succeed in the marketplace. It is the responsibility of the Product Manager to define the product backlog and the team to build the backlog.  The Product Manager is one of the most highly leveraged individuals in the Engineering organization.  They work to bring a deep knowledge of the Customer – Students, Professors and Course Staff to the product roadmap.  The Product Manager is well-versed in the data and sets the KPI’s that drives the team, the Product Scorecard and the Company Scorecard.  They are expected to become experts in the business of online learning, familiar with blended models, MOOC’s and University and Industry needs and the competition.  The Product Manager must be able to understand the edX stakeholders.
+          </p>
+          <p><strong>Responsibilities:</strong></p>
+          <ul>
+            <li>Assess users’ needs, whether students, Professors or Universities.</li>
+            <li>Research markets and competitors to provide data driven decisions.</li>
+            <li>Work with multiple engineering teams, through consensus and with data-backed arguments, in order to provide technology which defines the state of the art for online courses.</li>
+            <li>Repeatedly build and launch new products and services, complete with the training, documentation and metrics needed to enhance the already impressive brands of the edX partner institutions.</li>
+            <li>Establish the vision and future direction of the product with input from edX leadership and guidance from partner organizations.</li>
+            <li>Work in a lean organization, committed to Scrum and Kanban.</li>
+          </ul>
+          <p><strong>Qualifications:</strong></p>
+          <ul>
+            <li>Bachelor’s degree or higher in a Technical Area</li>
+            <li>MBA  or Masters in Design preferred</li>
+            <li>Proven ability to develop and implement strategy</li>
+            <li>Exquisite organizational skills</li>
+            <li>Deep analytical skills</li>
+            <li>Social finesse and business sense</li>
+            <li>Scrum, Kanban</li>
+            <li>Infatuation with technology, in all its frustrating and fragile complexity</li>
+            <li>Top flight communication skills, oral and written, with teams which are centrally located and spread all over the world.</li>
+            <li>Personal commitment and experience of the transformational possibilities of higher education</li>
+          </ul>
+          
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
+
+      <article id="content-engineer" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>CONTENT ENGINEER</strong></h3>
+          <p>Content engineers help create the technology for specific courses. The tasks include:</p>
+          <ul>
+            <li>Developing of course-specific user-facing elements, such as the circuit editor and simulator. </li>
+            <li>Integrating course materials into courses</li>
+            <li>Creating programs to grade questions designed with complex technical features</li>
+            <li>Knowledge of Python, XML, and/or JavaScript is desired. Strong interest and background in pedagogy and education is desired as well.</li>
+            <li>Building course components in straight XML or through our course authoring tool, edX Studio.</li>
+            <li>Assisting University teams and in house staff take advantage of new course software, including designing and developing technical refinements for implementation.</li>
+            <li>Pushing content to production servers predictably and cleanly.</li>
+            <li>Sending high volumes of course email adhering to email engine protocols.</li>
+          </ul>
+          <p><strong>Qualifications:</strong></p>
+          <ul>
+            <li>Bachelor’s degree or higher</li>
+            <li>Thorough knowledge of Python, DJango, XML,HTML, CSS , Javascript and backbone.js</li>
+            <li>Ability to work on multiple projects simultaneously without splintering</li>
+            <li>Tactfully escalate conflicting deadlines or priorities only when needed.  Otherwise help the team members negotiate a solution.</li>
+            <li>Unfailing attention to detail, especially the details the course teams have seen so often they don’t notice them anymore.</li>
+            <li>Readily zoom from the big picture to the smallest course component to notice when typos, inconsistencies or repetitions have unknowingly crept in</li>
+            <li>Curiosity to step into the shoes of an online student working to master the course content.</li>
+            <li>Solid interpersonal skills, especially good listening</li>
+          </ul>
+          
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
+
+      <article id="director-engineering-open-source" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>DIRECTOR ENGINEERING, OPEN SOURCE COMMUNITY MANAGER</strong></h3>
+          <p>In edX courses, students make (and break) electronic circuits, they manipulate molecules on the fly and they do it all at once, in their tens of thousands.  We have great Professors and great Universities.  But we can’t possibly keep up with all the great ideas out there, so we’re making our platform open source, to turn up the volume on great education.  To do that well, we’ll need a Director of Engineering who can lead our Open Source Community efforts.</p>
+          <p><strong>Responsibilities:</strong></p>
+          <ul>
+            <li>Define and implement software design standards that make the open source community most welcome and productive.</li>
+            <li>Work with others to establish the governance standards for the edX Open Source Platform, establish the infrastructure, and manage the team to deliver releases and leverage our University partners and stakeholders to</li> make the edX platform the world’s best learning platform.
+            <li>Help the organization recognize the benefits and limitations inherent in open source solutions.</li>
+            <li>Establish best practices and key tool usage, especially those based on industry standards.</li>
+            <li>Provide visibility for the leadership team into the concerns and challenges faced by the open source community.</li>
+            <li>Foster a thriving community by providing the communication, documentation and feedback that they need to be enthusiastic.</li>
+            <li>Maximize the good code design coming from the open source community.</li>
+            <li>Provide the wit and firmness that the community needs to channel their energy productively.</li>
+            <li>Tactfully balance the internal needs of the organization to pursue new opportunities with the community’s need to participate in the platform’s evolution.</li>
+            <li>Shorten lines of communication and build trust across entire team</li>
+          </ul>
+          <p><strong>Qualifications:</strong></p>
+          <ul>
+
+            <li>Bachelors, preferably Masters in Computer Science</li>
+            <li>Solid communication skills, especially written</li>
+            <li>Committed to Agile practice, Scrum and Kanban</li>
+            <li>Charm and humor</li>
+            <li>Deep familiarity with Open Source, participant and contributor</li>
+            <li>Python, Django, Javascript</li>
+            <li>Commitment to support your technical recommendations, both within and beyond the organization.</li>
+          </ul>
+          
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
+
+      <article id="software-engineer" class="job">
+        <div class="inner-wrapper">
+          <h3><strong>SOFTWARE ENGINEER</strong></h3>
+          <p>edX is looking for engineers who can contribute to its Open Source learning platform.  We are a small team with a startup, lean culture, committed to building open-source software that scales and dramatically changes the face of education.  Our ideal candidates are hands on developers who understand how to build scalable, service based systems, preferably in Python and have a proven track record of bringing their ideas to market.  We are looking for engineers with all levels of experience, but you must be a proven leader and outstanding developer to work at edX.</p>
+
+          <p>There are a number of projects for which we are recruiting engineers:<br>
+
+          <p><strong>Learning Management System</strong>: We are developing an Open Source Standard that allows for the creation of instructional plug-ins and assessments in our platform.  You must have a deep interest in semantics of learning, and able to build services at scale.</p>
+
+          <p><strong>Forums</strong>:  We are building our own Forums software because we believe that education requires a forums platform capable of supporting learning communities.  We are analytics driven.   The ideal Forums candidates are focused on metrics and key performance indicators, understand how to build on top of a service based architecture and are wedded to quick iterations and user feedback.
+
+          <p><strong>Analytics</strong>:  We are looking for a platform engineer who has deep MongoDB or no SQL database experience.  Our data infrastructure needs to scale to multiple terabytes.  Researchers from Harvard, MIT, Berkeley and edX Universities will use our analytics platform to research and examine the fundamentals of learning.  The analytics engineer will be responsible for both building out an analytics platform and a pub-sub and real-time pipeline processing architecture.  Together they will allow researchers, students and Professors access to never before seen analytics. 
+
+          <p><strong>Course Development Authoring Tools</strong>:  We are committed to making it easy for Professors to develop and publish their courses online.  So we are building the tools that allow them to readily convert their vision to an online course ready for thousands of students. </p>
+
+          <p><strong>Requirements:</strong></p>
+          <ul>
+            <li>Real-world experience with Python or other dynamic development languages.</li>
+            <li>Able to code front to back, including HTML, CSS, Javascript, Django, Python</li>
+            <li>You must be committed to an agile development practices, in Scrum or Kanban</li>
+            <li>Demonstrated skills in building Service based architecture</li>
+            <li>Test Driven Development</li>
+            <li>Committed to Documentation best practices so your code can be consumed in an open source environment</li>
+            <li>Contributor to or consumer of Open Source Frameworks</li>
+            <li>BS in Computer Science from top-tier institution</li>
+            <li>Acknowledged by peers as a technology leader </li>
+          </ul>
+
+          <p>If you are interested in this position, please send an email to <a href="mailto:jobs@edx.org">jobs@edx.org</a>.</p>
+        </div>
+      </article>
+
 
     </section>
 
     <section class="jobs-sidebar">
       <h2>Positions</h2>
       <nav>
+        <a href="#associate-legal-counsel">Associate Legal Counsel</a>
+        <a href="#director-of-education-services">Director of Education Services</a>
+        <a href="#manager-of-training-services">Manager of Training Services</a>
         <a href="#instructional-designer">Instructional Designer</a>
-        <a href="#member-services-manager">Member Services Manager</a>
-        <a href="#director_of_pr_and_communications">Director of PR & Communications</a>
+        <a href="#program-manager">Program Manager</a>
+        <a href="#project-manager-pmo">Project Manager (PMO)</a>
+        <a href="#director-of-product-management">Director of Product Management</a>
+        <a href="#content-engineer">Content Engineer</a>
+        <a href="#director-engineering-open-source">Director Engineering, Open Source Community Manager</a>
+        <a href="#software-engineer">Software Engineer</a>
       </nav>
       <h2>How to Apply</h2>
-      <p>E-mail your resume, coverletter and any other materials to <a href="mailto:jobs@edx.org">jobs@edx.org</a></p>
+      <p>E-mail your resume, cover letter and any other materials to <a href="mailto:jobs@edx.org">jobs@edx.org</a></p>
       <h2>Our Location</h2>
       <p>11 Cambridge Center <br>
-      Cambridge, MA 02142</p>
+        Cambridge, MA 02142</p>
     </section>
   </section>
 </section>
diff --git a/lms/templates/video.html b/lms/templates/video.html
index 6cee9ed39b..afbb9015ee 100644
--- a/lms/templates/video.html
+++ b/lms/templates/video.html
@@ -2,9 +2,19 @@
   <h2> ${display_name} </h2>
 % endif
 
-
 %if settings.MITX_FEATURES['STUB_VIDEO_FOR_TESTING']:
   <div id="stub_out_video_for_testing"></div>
+
+%elif settings.MITX_FEATURES.get('USE_YOUTUBE_OBJECT_API') and normal_speed_video_id:
+  <object width="640" height="390">
+    <param name="movie"
+           value="https://www.youtube.com/v/${normal_speed_video_id}?version=3&amp;autoplay=1&amp;rel=0"></param>
+    <param name="allowScriptAccess" value="always"></param>
+    <embed src="https://www.youtube.com/v/${normal_speed_video_id}?version=3&amp;autoplay=1&amp;rel=0"
+           type="application/x-shockwave-flash"
+           allowscriptaccess="always"
+           width="640" height="390"></embed>
+  </object>
 %else:
   <div id="video_${id}" class="video" data-streams="${streams}" data-caption-data-dir="${data_dir}" data-show-captions="${show_captions}" data-start="${start}" data-end="${end}" data-caption-asset-path="${caption_asset_path}">
     <div class="tc-wrapper">
diff --git a/lms/urls.py b/lms/urls.py
index e9746c2338..b25c4d259e 100644
--- a/lms/urls.py
+++ b/lms/urls.py
@@ -13,7 +13,7 @@ urlpatterns = ('',
     # certificate view
 
     url(r'^update_certificate$', 'certificates.views.update_certificate'),
-    url(r'^$', 'branding.views.index', name="root"), # Main marketing page, or redirect to courseware
+    url(r'^$', 'branding.views.index', name="root"),   # Main marketing page, or redirect to courseware
     url(r'^dashboard$', 'student.views.dashboard', name="dashboard"),
 
     url(r'^admin_dashboard$', 'dashboard.views.dashboard'),
@@ -35,7 +35,7 @@ urlpatterns = ('',
     # url(r'^testcenter/logout$', 'student.test_center_views.logout'),
 
     url(r'^event$', 'track.views.user_track'),
-    url(r'^t/(?P<template>[^/]*)$', 'static_template_view.views.index'), # TODO: Is this used anymore? What is STATIC_GRAB?
+    url(r'^t/(?P<template>[^/]*)$', 'static_template_view.views.index'),   # TODO: Is this used anymore? What is STATIC_GRAB?
 
     url(r'^accounts/login$', 'student.views.accounts_login', name="accounts_login"),
 
@@ -65,9 +65,9 @@ urlpatterns = ('',
 
     url(r'^heartbeat$', include('heartbeat.urls')),
 
-    url(r'^university_profile/UTx$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id':'UTx'}),
-    url(r'^university_profile/WellesleyX$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id':'WellesleyX'}),
-    url(r'^university_profile/GeorgetownX$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id':'GeorgetownX'}),
+    url(r'^university_profile/UTx$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id': 'UTx'}),
+    url(r'^university_profile/WellesleyX$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id': 'WellesleyX'}),
+    url(r'^university_profile/GeorgetownX$', 'courseware.views.static_university_profile', name="static_university_profile", kwargs={'org_id': 'GeorgetownX'}),
     url(r'^university_profile/(?P<org_id>[^/]+)$', 'courseware.views.university_profile', name="university_profile"),
 
     #Semi-static views (these need to be rendered and have the login bar, but don't change)
@@ -143,7 +143,7 @@ urlpatterns = ('',
 )
 
 if settings.PERFSTATS:
-    urlpatterns += (url(r'^reprofile$','perfstats.views.end_profile'),)
+    urlpatterns += (url(r'^reprofile$', 'perfstats.views.end_profile'),)
 
 
 
@@ -226,7 +226,7 @@ if settings.COURSEWARE_ENABLED:
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/info$',
             'courseware.views.course_info', name="info"),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/syllabus$',
-            'courseware.views.syllabus', name="syllabus"), # TODO arjun remove when custom tabs in place, see courseware/courses.py
+            'courseware.views.syllabus', name="syllabus"),   # TODO arjun remove when custom tabs in place, see courseware/courses.py
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/book/(?P<book_index>[^/]*)/$',
             'staticbook.views.index', name="book"),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/book/(?P<book_index>[^/]*)/(?P<page>[^/]*)$',
@@ -277,7 +277,7 @@ if settings.COURSEWARE_ENABLED:
             'open_ended_grading.views.flagged_problem_list', name='open_ended_flagged_problems'),
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/open_ended_flagged_problems/take_action_on_flags$',
             'open_ended_grading.views.take_action_on_flags', name='open_ended_flagged_problems_take_action'),
-		
+
 		# Cohorts management
         url(r'^courses/(?P<course_id>[^/]+/[^/]+/[^/]+)/cohorts$',
             'course_groups.views.list_cohorts', name="cohorts"),
diff --git a/rakefile b/rakefile
index bf80b4a87a..5647b5b13a 100644
--- a/rakefile
+++ b/rakefile
@@ -134,7 +134,7 @@ end
 
     desc "Run pep8 on all #{system} code"
     task "pep8_#{system}" => report_dir do
-        sh("pep8 --ignore=E501 #{system}/djangoapps #{system}/lib | tee #{report_dir}/pep8.report")
+        sh("pep8 #{system} | tee #{report_dir}/pep8.report")
     end
     task :pep8 => "pep8_#{system}"
 
@@ -147,6 +147,11 @@ end
                 pythonpath_prefix = "PYTHONPATH=#{File.dirname(app)}"
             end
             app = File.basename(app)
+            if app =~ /.py$/
+                app = app.gsub('.py', '')
+            elsif app =~ /.pyc$/
+                next
+            end
             sh("#{pythonpath_prefix} pylint --rcfile=.pylintrc -f parseable #{app} | tee #{report_dir}/#{app}.pylint.report")
         end
     end
diff --git a/requirements.txt b/requirements.txt
index 0faf2e3ba5..7bfaa11bc6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,6 @@ django_nose
 nosexcover==1.0.7
 rednose==0.3.3
 GitPython==0.3.2.RC1
-django-override-settings==1.2
 mock==0.8.0
 PyYAML==3.10
 South==0.7.6