var xmlhttp = false;

// AJAX MAMBO JAMBO
if (!xmlhttp && typeof XMLHttpRequest!='undefined')  {
	xmlhttp = new XMLHttpRequest();
}

function updateSize(ProductID, ProductOptionID) {
	// AJAX MAMBO JAMBO
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null) {
		alert ("Browser does not support HTTP Request");
		return;
	}
	
	// CALL THE ASP LIB
	var url = rootFolder  + '/ajax/getProductSizeSelect.asp?p=' + ProductID + '&o=' + ProductOptionID;
	xmlhttp.open("GET", url, true);

	// WRITE THE ASP LIB OUTPUT INTO PURCHASE PAGE
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 || xmlhttp.readyState=="complete") {
			document.getElementById("productSizeSelect").innerHTML = xmlhttp.responseText;
		}
	}

	// AJAX MAMBO JAMBO
	xmlhttp.send(null);
	return false;
}

function GetXmlHttpObject() {
	// AJAX MAMBO JAMBO
	var objXMLHttp=null;
	if (window.XMLHttpRequest) {
		objXMLHttp=new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}