var xmlhttp = false;

if (!xmlhttp && typeof XMLHttpRequest!='undefined')  {
	xmlhttp = new XMLHttpRequest();
}

function toggleStartAddProducts() {
	startQuotingAjax();
}

function toggleStopAddProducts() {
	stopQuotingAjax();
}

function startQuotingAjax() {
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null) {
		alert ("Browser does not support HTTP Request");
		return;
	} 

	var url = "request_quote_lib.asp";
	url = url + "?ref=start";
	xmlhttp.open("GET", url, true);

	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 || xmlhttp.readyState=="complete") {
			document.getElementById('startAddProducts').innerHTML = "<a href='javascript:toggleStopAddProducts();'><img src='images/content/img_btn_stopaddproductstoquote.gif' border='0' /></a><br />";
		}
	}

	xmlhttp.send(null);
	return false;
}


function stopQuotingAjax() {
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null) {
		alert ("Browser does not support HTTP Request");
		return;
	} 

	var url = "request_quote_lib.asp";
	url = url + "?ref=stop";
	xmlhttp.open("GET", url, true);

	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 || xmlhttp.readyState=="complete") {
			document.getElementById('startAddProducts').innerHTML = "<a href='javascript:toggleStartAddProducts();'><img src='images/content/img_btn_addproductstoquote.gif' border='0' /></a><br />";
		}
	}

	xmlhttp.send(null);
	return false;
}


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