Added style to remove enrollment form for IE7 and below and added a paragraph explainaing why

create_account.html

@@ -2,6 +2,9 @@
 <div name="enroll_form" id="enroll_form">
 
   <h1>Enroll in 6.002x Circuits &amp; Electronics</h1>
+
+  <p class="ie-warning"> Enrollment requires a modern web browser with JavaScript enabled. You don't have this. You can&rsquo;t enroll without upgrading, since you couldn&rsquo;t take the course without upgrading. Feel free to download the latest version of <a href="http://www.mozilla.org/en-US/firefox/new/">Mozilla Firefox</a> or <a href="http://support.google.com/chrome/bin/answer.py?hl=en&answer=95346">Google Chrome</a>, for free, to enroll and take this course.</p>
+
   <form name="enroll" id="enroll_form"  method="get">
     <fieldset><% if 'error' in locals(): e = error %>
 

sass/layout/_leanmodal.scss

@@ -47,6 +47,10 @@ div.leanModal_box {
   &#enroll {
     max-width: 600px;
 
+    p.ie-warning {
+      display: none;
+    }
+
     ol {
       @extend .clearfix;
 

sass/marketing-ie.scss

@@ -7,3 +7,14 @@ body {
   margin: 0;
   overflow: hidden;
 }
+
+div#enroll {
+  p.ie-warning {
+    display: block !important;
+    line-height: 1.3em;
+  }
+
+  form {
+    display: none;
+  }
+}