Added styles and js to hide captions

--HG--
branch : kf-captions

courseware.html

@@ -1,13 +1,11 @@
 <%inherit file="main.html" />
 
-<%block name="js_extra">
 <!-- TODO: http://docs.jquery.com/Plugins/Validation -->
 <script type="text/javascript">
   $(function() {
       ${init}
     });
 </script>
-</%block>
 
 <%include file="navigation.html" args="active_page='courseware'" />