anchor.diff:  	}
   	</script>
   </head>
  +
   <body>
  -<%
  -String ua = request.getHeader( "User-Agent" );
  -boolean isFirefox = ( ua != null && ua.indexOf( "Firefox/" ) != -1 );
  -boolean isMSIE = ( ua != null && ua.indexOf( "MSIE" ) != -1 );
  -request.setAttribute("isMSIE", isMSIE);
  -response.setHeader( "Vary", "User-Agent" );
  -%>
  +<tags:instructions code="study_stratifications" />
   <c:choose>
   <c:when test="${command.study.stratificationIndicator =='false' }">
   			<tags:formPanelBox tab="${tab}" flow="${flow}"><br/><br><div align="center"><fmt:message key="STUDY.NO_STRATIFICATION"/></div><br><br>
  
positive.code: 				</tr>
  				</table>
  				<table id="sgCombinationsTable_${epochCount.index}" border="1" class="tablecontent"  width="60%">
  					<!-- we dont display tBody for IE browser as it distorts the display
  						this means that the drag drop wont work in IE...this will be addressed in future releases -->
  					<c:if test="${!isMSIE}">
  						<tbody id="sortablelist_${epochCount.index}">
  					</c:if>
  						
  						<c:forEach var="stratumGroup" varStatus="statusStratumGroup"
  							items="${command.study.epochs[epochCount.index].stratumGroups}">	
  
negative.code: 		<br/>
  		
  		<chrome:division title="Questions and Answers">
  		<br/>
  			<table id="epoch-${epochCount.index }" class="tablecontent">
  			<input type="hidden" name="epochCountIndex" value="${epochCount.index}"/>
  