var agt = navigator.userAgent.toLowerCase();
var is_ie = (agt.indexOf('msie') != -1);
var is_ie5 = (agt.indexOf('msie 5') != -1);

function CreateXmlHttpReq(handler) {
	var xmlhttp = null;
	if (is_ie) {
		var control = (is_ie5) ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP";
		try {
			xmlhttp = new ActiveXObject(control);
			xmlhttp.onreadystatechange = handler;
		} catch(e) {
		}
	} else {
		xmlhttp = new XMLHttpRequest();
		xmlhttp.onload = handler;
		xmlhttp.onerror = handler;
	}
	return xmlhttp;
}

function DummyHandler() { }

function SavePreference(key,value) {
	var url = "http://www.lesbayern.de/?q=les/users/dummy&sid=e30402d71f096a4be2fdb34446a0694d&savePref[" + key + "]=" + value;
	var xmlhttp = CreateXmlHttpReq(DummyHandler);
	
	xmlhttp.open("GET",url,false);
	xmlhttp.send(null);
}