function xmlhttp() {
var obj;
var xml = new Array();
xml[0] = "MSXML2.XMLHTTP.5.0";
xml[1] = "MSXML2.XMLHTTP.4.0";
xml[2] = "MSXML2.XMLHTTP.3.0";
xml[3] = "MSXML2.XMLHTTP";
xml[4] = "Microsoft.XMLHTTP";
xml[5] = "WinHttp.WinHttpRequest.5";
xml[6] = "WinHttp.WinHttpRequest.5.1";
if (window.ActiveXObject) {
for (var i=0; i<xml.length; i++) {
try {
obj = new ActiveXObject(xml[i]);
break;
} catch(e) {
obj = null;
}
}
} else if(window.XMLHttpRequest) {
try {
obj = new XMLHttpRequest();
} catch(e) {
obj = null;
}
}
return obj;
}

var xmlhttp= xmlhttp();



function givekalender(m,y){
	xmlhttp.open("GET", "includes/kalender.php?ajax&&m="+m+"&&y="+y,true);//method, target, async (set always true!)
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4) {
document.getElementById("kalender").innerHTML= xmlhttp.responseText;
		}
}
	xmlhttp.send(null);
}