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;
}