function fnadd_cart(Product_Id,sizeid)
{
        var xmldoc ="";
		var xmlhttp  = createRequestObject();
		var str = stanwellAppPath + "/contentadd.aspx?prod_Id="+Product_Id + "&sizeid="+sizeid ;
		xmlhttp.open("POST",str,false);
		xmlhttp.send(xmldoc);
		
		var rtvalue;
		rtvalue=xmlhttp.responseText;				
		rtvalue1= rtvalue.split("~~~");				
		if(rtvalue1[0]==1){
		    //alert("The Product you have choosen is already Exists in the Shoppping Cart");		    
		    //return 1;
		    return rtvalue;
		}
		else
		{
            return rtvalue;
		}		
}

 function createRequestObject() {
		var obj;
		var browser = navigator.appName;
		
		if(browser == "Microsoft Internet Explorer"){
			obj = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else{
			obj = new XMLHttpRequest();
		}
		return obj;    
	}