if (top.frames.length>0) alert("Die Startseite befindet sich in einem Frame. Das Fenster wird jetzt aus diesem Frame befreit...");
if (top.frames.length>0) top.location.href=self.location;
		function popupPage()
		{
		windowprops = "location=yes," + "scrollbars=yes,menubars=yes,toolbars=yes,resizable=yes";
		window.open(url, "Popup", windowprops);
		}
		function openWindow(url) {
			newWindow = window.open(url,"inset",'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=420');
		}
		function surfto(form) {
	        var myindex=form.select1.selectedIndex
        	if (form.select1.options[myindex].value != "0") {
	       	location=form.select1.options[myindex].value;}
		}