function sendMciRequest(url, targetId) {

	document.getElementById(targetId).innerHTML = 'loading data...';
	var myReq = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		myReq = new XMLHttpRequest();
	} else if (window.ActiveXObject) { // IE
		try {
			myReq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				myReq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!myReq) {
		alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
		return false;
	}
	myReq.onreadystatechange = function() {requestDone(myReq, targetId);};
	myReq.open("GET", url, true);
	myReq.send(null);
}

function requestDone(req, target) {
   // only if req is "loaded"
   if (req.readyState == 4) {
	   // only if "OK"
	   if (req.status == 200 || req.status == 304) {
		   results = req.responseText;
		   document.getElementById(target).innerHTML = results;
	   } else {
		   document.getElementById(target).innerHTML="requestDone error:\n" +
			   req.statusText;
	   }
   }
}