Mine

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;					eval(fnDone + '(xmlhttp.responseText);');					//fnDone(xmlhttp);				}};				xmlhttp.send(sVars);		}		catch(z) { return false; }		return true;	};	return this;}