anchor.diff:  		var showdisabled=document.getElementById('showdisabled').style;
   		showdisabled.display="none";
   		
  +		for(var i = 0; i < <%=size%>; i++)
  +		{
  +			var requestQtyId = "requestedQuantity"+i;
  +			document.getElementById(requestQtyId).value="";
  +			document.getElementById(requestQtyId).disabled=false;
  +		}
  +		
  +		span_tags = document.all.tags("span");
  +		for(var counter = 0; counter < span_tags.length; counter++)
  +		{
  +			var current_object = span_tags[counter+1];
  +			current_object.innerHTML="";
  +		}
  +		
   	}
   	if(element=="block")
   	{
  
positive.code: 			var current_object = span_tags[counter+1];
  			current_object.innerHTML=unitreq.innerHTML;
  		}
  	}
  }
  
  
negative.code: 
  function showDerivative(objectenabled,objectdisabled,element)
  {
  	<% int size=pathologyCase.size();%>
  	var unitRequestedQuantity;
  	if(element=="derivative")
  	{
  