var xmlHttp

function addHit(itemCode,itemDesc,itemID) { 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)  {  
		return  // Browser does not support HTTP Request
	}
	
	var url="../inc/update_catlog.php";
	url=url+"?itemCode="+itemCode;
	url=url+"&itemDesc="+itemDesc;
	url=url+"&itemID="+itemID;	
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {  // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
 
		try {  //Internet Explorer
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}