browserName = navigator.appName;
	browserVer = parseInt(navigator.appVersion);
	var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
	if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror") {version = "n3";} else {version = "n2";}
	function blurLink(theObject)	{
		if (msie4)	{theObject.blur();}
	}


	var Progress, Bestaetigung;

	 function fenster() {
		var breite = screen.width;
		var hoehe = screen.height;
		var left = breite/2-175;
		var top = hoehe/2-50;
		Progress = window.open("progress.html","progress","width=350,height=100,left=" + left + ",top=" + top);
	 }

	 function close_progress() {
		Progress.close();
	 }


	function ausklappen (id) {

	document.getElementById("1").style.display="none";
	document.getElementById("2").style.display="none";

	document.getElementById(id).style.display="block";

	}