anchor.diff:  		<input	type="hidden" id="_selectedStratification" name="_selectedStratification" value=""> 
   		<input type="hidden" id="_selectedAnswer" name="_selectedAnswer" value="">
   		<input type="hidden" id="generateGroups" name="generateGroups" value="false"/>
  +		<input type="hidden" id="epochId" name="epochId"  />
   	</div>
   	<c:if test="${command.study.stratificationIndicator}">
   	<c:forEach items="${command.study.epochs}" var="epoch" varStatus="epochCount">
  
positive.code: <script>
  	//firstVisit - global var	           
      var firstVisit = true;
  	function preProcessGenerateGroups(epochCountIndex){
  		var x = document.getElementById('generateGroups');
  		x.value=epochCountIndex;
  		var y = document.getElementById('_target');
  
negative.code: 					<tags:button type="button" icon="edit" color="blue" value="Edit Stratification Criteria" onclick="editStratificationCriteria('${epochCount.index}','${isBookRandomized}', '${epoch.id}');" size="small"/>
  				</span>
  				<span id="stratumButton-${epoch.id}" <c:if test="${fn:length(epoch.stratificationCriteria) == 0}"> style = "display:none" </c:if> >
  					<tags:button type="submit" color="blue" value="Generate Stratum Groups" onclick="$('stratificationIndicator-${epochCount.index }').show();preProcessGenerateGroups(${epochCount.index}, ${epoch.id});" size="small"/>
  				</span>
  				<img id="stratificationIndicator-${epochCount.index }" src="<tags:imageUrl name="indicator.white.gif"/>" alt="Indicator" align="middle" style="display:none">
  			</div>
  