Index: lams_tool_sbmt/web/WEB-INF/tags/Comments.tag
===================================================================
diff -u -r6bed0e62245e6c9ce454d4bc54920a0b41dac9bc -r1b24571dc2f9958311c8508f68e20711994418bb
--- lams_tool_sbmt/web/WEB-INF/tags/Comments.tag	(.../Comments.tag)	(revision 6bed0e62245e6c9ce454d4bc54920a0b41dac9bc)
+++ lams_tool_sbmt/web/WEB-INF/tags/Comments.tag	(.../Comments.tag)	(revision 1b24571dc2f9958311c8508f68e20711994418bb)
@@ -42,6 +42,7 @@
 <script>
 $(document).ready(function(){
 	var url='<lams:LAMSURL/>comments/comments.do?externalID=${toolSessionId}&externalSig=${toolSignature}&externalType=1${modeStr}&likeAndDislike=${likeAndDislike}&readOnly=${readOnly}&pageSize=${pageSize}&sortBy=${sortBy}';
+	$.ajaxSetup({ cache: true });
 	$('#commentFrame').load(url);
 });
 </script>
\ No newline at end of file
Index: lams_tool_sbmt/web/common/header.jsp
===================================================================
diff -u -r129b9d294bcaafb1b0aafa5dc613b103bb084c66 -r1b24571dc2f9958311c8508f68e20711994418bb
--- lams_tool_sbmt/web/common/header.jsp	(.../header.jsp)	(revision 129b9d294bcaafb1b0aafa5dc613b103bb084c66)
+++ lams_tool_sbmt/web/common/header.jsp	(.../header.jsp)	(revision 1b24571dc2f9958311c8508f68e20711994418bb)
@@ -18,7 +18,6 @@
 
  	<!-- ********************  javascript ********************** -->
 	<script type="text/javascript" src="${lams}includes/javascript/common.js"></script>
-	<script type="text/javascript" src="${lams}includes/javascript/prototype.js"></script>
 	<script type="text/javascript" src="${lams}includes/javascript/tabcontroller.js"></script>    
 	<script type="text/javascript" src="${lams}includes/javascript/jquery.js"></script>
 	<script type="text/javascript" src="${lams}includes/javascript/jquery.timeago.js"></script>
Index: lams_tool_sbmt/web/learner/sbmtlearner.jsp
===================================================================
diff -u -r40f884f2618cf022c3cb27aaa6e7e5cc04a96ae1 -r1b24571dc2f9958311c8508f68e20711994418bb
--- lams_tool_sbmt/web/learner/sbmtlearner.jsp	(.../sbmtlearner.jsp)	(revision 40f884f2618cf022c3cb27aaa6e7e5cc04a96ae1)
+++ lams_tool_sbmt/web/learner/sbmtlearner.jsp	(.../sbmtlearner.jsp)	(revision 1b24571dc2f9958311c8508f68e20711994418bb)
@@ -5,12 +5,11 @@
 <lams:html>
 <lams:head>
 	<title><fmt:message key="tool.display.name" /></title>
-	<html:base />
 	<%@ include file="/common/header.jsp"%>
 
 	<script type="text/javascript">
-		jQuery(document).ready(function() {
-			jQuery("time.timeago").timeago();
+		$(document).ready(function() {
+			$("time.timeago").timeago();
 		});
 
 		function submitCount(tUrl) {