if (typeof XMLHttpRequest  === "undefined") {
	XMLHttpRequest = function() {
		try {
			return new ActiveXObject("Msxml2.XMLHTTP.6.0");
		}catch(e){}
		try{
			return new ActiveXObject("Msxml2.XMLHTTP.3.0");
		}catch(e){}
		try{
			return new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){}
		try{
			return new ActiveXObject("Microsoft.XMLHTTP");
		}catch(e){}
		throw new Error("This browser does not support XMLHttpRequest.");
	};
}