anchor.diff:  						cName = commonLabel + "_SpecimenRequirement:" + iCnt ;
   						String fName = cName + "_specimenClass)";
   						String sName = cName + "_unitspan)";
  +						String srIdentifier = cName + "_systemIdentifier)";
   					%>
   			        
  -			        <td class="formField">		
  -			        <%
  -			        	String onChangeFun = "changeUnit('" + fName + "','" + sName + "')";
  -			        %>
  +			        <td class="formField">
  +			        	<html:hidden property="<%=srIdentifier%>" />	
  +			        	<%
  +			        		String onChangeFun = "changeUnit('" + fName + "','" + sName + "')";
  +			        	%>
   			        	<html:select property="<%=fName%>" 
   										styleClass="formFieldSized10" 
   										styleId="<%=fName%>" size="1"
  
positive.code: 			    </TR><!-- SUB TITLES END -->
  				
  				<TR>	<!-- SPECIMEN REQ DATA -->
  			        <td class="tabrightmostcell">1.</td>
  			        <td class="formField">		
  			        	<html:select property="value(CollectionProtocolEvent:`_SpecimenRequirement:1_specimenClass)" 
  										styleClass="formFieldSized10" 
  
negative.code: 	
      String operation = (String) request.getAttribute(Constants.OPERATION);
      String formName;
  
      boolean readOnlyValue;
      if (operation.equals(Constants.EDIT))
  