function XHConn()
{
	var xmlhttp, bComplete = false;
	try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
	catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
	catch (e) { try { xmlhttp = new XMLHttpRequest(); }
	catch (e) { xmlhttp = false; }}}
	if (!xmlhttp) return null;

	this.connect = function(sURL, sMethod, sVars, fnDone) {
		if (!xmlhttp) return false;
		bComplete = false;
		sMethod = sMethod.toUpperCase();
		try {
			if (sMethod == "GET") {
				xmlhttp.open(sMethod, sURL+"?"+sVars, true);
				sVars = "";
			}
			else {
				xmlhttp.open(sMethod, sURL, true);
				xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
				xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
			}
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4 && !bComplete) {
		  			bComplete = true;
		  			fnDone(xmlhttp);
				}
			};
			xmlhttp.send(sVars);
		}
		catch(z) { return false; }
		return true;
	};
	return this;
}