var xmlHttp;

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

function noAjax() {
	alert('Browser does not support HTTP Request');
	return;
}

function ajaxComplete() {
	return (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete');
}