var http_request = false;
function makerequest(url, functionname, httptype, senddata) {

	http_request = false;
	if (!httptype) httptype = "get";

	if (window.xmlhttprequest) { // non-ie...
		http_request = new xmlhttprequest();
		if (http_request.overridemimetype) {
			http_request.overridemimetype('text/plain');
		}
	} else if (window.activexobject) { // ie
		try {
			http_request = new activexobject("msxml2.xmlhttp");
		} catch (e) {
			try {
				http_request = new activexobject("microsoft.xmlhttp");
			} catch (e) {}
		}
	}

	if (!http_request) {
		alert('cannot send an xmlhttp request');
		return false;
	}

	var changefunc="http_request.onreadystatechange = "+functionname;
	eval (changefunc);
	//http_request.onreadystatechange = alertcontents;
	http_request.open(httptype, url, true);
	http_request.setrequestheader('content-type', 'application/x-www-form-urlencoded');
	http_request.send(senddata);
}

function getreturnedtext () {
	if (http_request.readystate == 4) {
		if (http_request.status == 200) {
			var messagereturn = http_request.responsetext;
			return messagereturn;
		} else {
			alert('there was a problem with the request.');
		}
	}
}

function echoreturnedtext () {
	if (http_request.readystate == 4) {
		if (http_request.status == 200) {
			var messagereturn = http_request.responsetext;
			if(messagereturn!='isfail')
			{
				var r;
				r=messagereturn.split('|');
				if(r.length!=1)
				{
					if(r[0]!='')
					{
						document.getelementbyid(r[1]).innerhtml=r[0];
					}
					if(r[2]!='')
					{
						alert(r[2]);
					}
				}
				else
				{
					document.getelementbyid('ajaxarea').innerhtml=messagereturn;
				}
			}
		} else {
			alert('there was a problem with the request.');
		}
	}
}