anchor.diff:  				disabled2 = false;
   				opDisabled = false;
   			}
  -			else if(!opValConcentration.equals(Constants.ANY))
  +			else if(opValConcentration != null && !opValConcentration.equals(Constants.ANY))
   			{
   				disabled = false;
   				disabled2 = true;
  
positive.code: <tr>
  	<td><html:hidden property="objectName" value="Specimen"/></td>
  	<td><html:hidden property="eventCounter"/><html:hidden property="selectedNode" /></td>
  </tr>
  <!--  MAIN TITLE ROW -->
  <tr>
  
negative.code: 	int counter = form.getEventCounter();
  
  	Map eventParametersMap = (Map)form.getEventValues();
  	System.out.println("map in jsp***"+eventParametersMap);
  
  	for(int i=1;i<=counter;i++)
  	{
  