function CreateXmlHttpReq(handler) {
	var xmlhttp = null;
	try {
		xmlhttp = new XMLHttpRequest();
	} catch(e) {
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	xmlhttp.onreadystatechange = handler;
	return xmlhttp;
}

function TestHandler() {
	return true;
}

function ajaxOk(req) {
	if (req.readyState == 4 && req.status == 200) {
		return req.responseText;
	} else {
		return false;
	}
}

function myDummyApply(funcname,args) {
	var e = "funcname(";
	for (var i = 0; i < args.length; i++) {
		e += "args["+i+"]";
		if (i+1 != args.length) {
			e += ",";
		}
	}
	e += ");"
	return eval(e);
}

function ajaxSend(handler) {
	var arg = new Array("placeholder");
	var qry = "";
	for (var j=1; j<arguments.length; j++) {
		arg[arg.length] = arguments[j];
	}
	var URL = "/ajax.engine." + escape(Math.random()) + ".html";

	qry  = "engine=" + arguments[1];
	for (var ind=2; ind<(arguments.length); ind++) {
		qry += "&" + arguments[ind] + "=" + escape(arguments[ind+1]);
		ind++;
	}

	var ajax_req = CreateXmlHttpReq(TestHandler);
	var myhandler = function () {
		var content = ajaxOk(ajax_req);
		if (content !== false) {
			arg[0] = content;
			try {
				return handler.apply(this, arg);
			} catch(e) {
				return myDummyApply(handler, arg);
			}
		}
	}
	with(ajax_req) {
		onreadystatechange = myhandler;
		open("POST", URL, true);
		setRequestHeader("Content-type", "application/x-www-form-urlencoded;");
		send(qry);
	}
}