Remove unused JavaScript on the page bottom

templates/coffee/src/modules/sequence.coffee

@@ -11,9 +11,10 @@ class @Sequence
   bind: ->
     @element.bind 'contentChanged', @toggleArrows
     @$('#sequence-list a').click @goto
+    @$('.sequence-nav li a').hover @navHover
 
   buildNavigation: ->
-    $.each @elements, (index, item) ->
+    $.each @elements, (index, item) =>
       link = $('<a>').attr class: "seq_#{item.type}_inactive", 'data-element': index + 1
       title = $('<p>').html(item.title)
       list_item = $('<li>').append(link.append(title))
@@ -45,6 +46,9 @@ class @Sequence
       @position = new_position
       @element.trigger 'contentChanged'
 
+  navHover: (event) =>
+    $(event.target).siblings().toggleClass("shown")
+
   goto: (event) =>
     event.preventDefault()
     new_position = $(event.target).data('element')

templates/courseware.html

@@ -7,12 +7,10 @@
 </%block>
 
 <%block name="js_extra">
-##Is there a reason this isn't in header_extra? Is it important that the javascript is at the bottom of the generated document?
 <!-- TODO: http://docs.jquery.com/Plugins/Validation -->
 <script type="text/javascript">
-  $(function() {
-    ${init}
-  });
+  document.write('\x3Cscript type="text/javascript" src="' +
+      document.location.protocol + '//www.youtube.com/player_api">\x3C/script>');
 </script>
 </%block>
 

templates/main.html

@@ -113,7 +113,6 @@
   <script type="text/javascript" src="${static.url('js/jquery.leanModal.min.js')}"></script>
   <script type="text/javascript" src="${static.url('js/jquery.qtip.min.js')}"></script>
   <script type="text/javascript" src="${static.url('js/jquery.cookie.js')}"></script>
-  <script type="text/javascript" src="${static.url('js/video_player.js')}"></script>
   <script type="text/javascript" src="${static.url('js/schematic.js')}"></script>
   <script type="text/javascript" src="${static.url('js/cktsim.js')}"></script>
   <script type="text/javascript" src="${static.url('js/jquery.scrollTo-1.4.2-min.js')}"></script>
@@ -121,7 +120,6 @@
     document.write('\x3Cscript type="text/javascript" src="' +
         document.location.protocol + '//www.youtube.com/player_api">\x3C/script>');
   </script>
-
   <%block name="js_extra"/>
 </body>
 </html>