/*function selTotal()
		{
			var numberSelected=0;
 			for (var i=0; i<document.forms[0].elements["earringcategory_opt4Prong"].options.length; i++)
 			{
     			if(document.forms[0].elements["earringcategory_opt4Prong"].options[i].selected==true)
     					numberSelected++;
            }
   			for (var i=0; i<document.forms[0].elements["earringcategory_opt4ProngWire"].options.length; i++)
 			{
     			if(document.forms[0].elements["earringcategory_opt4ProngWire"].options[i].selected==true)
              			numberSelected++;
   			}
   			for (var i=0; i<document.forms[0].elements["earringcategory_opt4ProngBasket"].options.length; i++)
 			{
     			if(document.forms[0].elements["earringcategory_opt4ProngBasket"].options[i].selected==true)
              			numberSelected++;
   			}
   			for (var i=0; i<document.forms[0].elements["earringcategory_optBezel"].options.length; i++)
 			{
     			if(document.forms[0].elements["earringcategory_optBezel"].options[i].selected==true)
              			numberSelected++;
   			}
     		if(numberSelected==0)
     		{
     			document.forms[0].elements["earringcategory_btnCompare"].disabled=true;
     			document.forms[0].elements["earringcategory_btnSelect"].disabled=true;
     			return;
     		}
     		if(numberSelected==1)
     		{
     			document.forms[0].elements["earringcategory_btnCompare"].disabled=true;
     			document.forms[0].elements["earringcategory_btnSelect"].disabled=false;
     			return;
     		}
     		if(numberSelected>1)
     		{
     			document.forms[0].elements["earringcategory_btnCompare"].disabled=false;
     			document.forms[0].elements["earringcategory_btnSelect"].disabled=true;
     			return;
     		}
     		
} */
function selTotal(obj)
		{
			var count=0
			for(var i=0;i<obj.length;i++)
			{
				if(obj.options[i].selected==true)
				{
					count=count+1
				} 
			}
				if(count>2)
				{
					var c=0
					for(var i=0;i<obj.length;i++)
					{
						if(obj.options[i].selected==true)
						{
							c=c+1
							if(c>2)
							{
								obj.options[i].selected=false
							}
						} 
					}
				} 
		}