anchor.diff:  		if(className == "Tissue" && (selectedOption == subTypeData1 || selectedOption == subTypeData2 || selectedOption == subTypeData3))
   		{
   			document.getElementById(unitspan).innerHTML = "<%=Constants.UNIT_CN%>";
  +			// added for Available quantity
  +			var unit1= document.getElementById("unitSpan1");
  +			if(unit1!=null)
  +			{
  +				unit1.innerHTML = "<%=Constants.UNIT_CN%>";
  +			}
   			document.forms[0].unit.value = "<%=Constants.UNIT_CN%>";
   		}	
   		else 
  
positive.code: 				typeChange(MolecularArray);
  			}
  			unit.innerHTML = unitSpecimen;
  		}
  
  // biohazard selection
  
negative.code: 		function onTypeChange(element)
  		{
  			var unit = document.getElementById("unitSpan");
  			var unit1 = document.getElementById("unitSpan1");
  			var unitSpecimen = "";
  			document.forms[0].concentration.disabled = true;
  			var subType = document.getElementById("type");
  