function callAHAH(url, pageElement, callMessage, errorMessage) {
document.getElementById(pageElement).innerHTML = callMessage;
try { req = new XMLHttpRequest(); /* e.g. Firefox */
} catch(e)
{ try { req = new ActiveXObject("Msxml2.XMLHTTP"); /* some versions IE */
} catch (e) 
{ try { req = new ActiveXObject("Microsoft.XMLHTTP"); /* some versions IE */
} catch (E) { req = false;
} } }
req.onreadystatechange = function() {
responseAHAH(pageElement, errorMessage);};
req.open("GET",url,true); req.send(null);
}
function responseAHAH(pageElement, errorMessage) {
	if(req.readyState == 4) { 
		if(req.status == 200) {
			output = req.responseText;
			document.getElementById(pageElement).innerHTML = output;
		} else {
			document.getElementById(pageElement).innerHTML = errorMessage+"\n"+responseText;
		}
	}
}