var xmlHttp
var loadingAnimation = '<img src="img/loading_animation.gif" width="31" height="31" />';

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	} catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

// Einbleden des Rechten-Bereich
function showDetails(str1,str2,str3) { 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="kurse/kurs_details.asp";
	url=url+"?id_kurs="+str1;
	url=url+"&id_va="+str2;
	url=url+"&lang="+str3;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() { 
	if (xmlHttp.readyState==4) { 
		document.getElementById("kurs_details").innerHTML=xmlHttp.responseText;
	}
}