function showURL(name,data,x,y,scrolling){
	eval(name + "=window.open(data, name, 'scrollbars=' + scrolling +',status=yes,menubar=yes,width=' + x +',height='+y+'')");
	browserName=navigator.appName;
	browserVer=parseInt(navigator.appVersion);
 	if ((browserVer >= 4 & browserName == "Netscape") | (browserVer >= 4 & browserName == "Microsoft Internet Explorer"))
 		version="4";
 	else
  		version="3";
   		if (version=="4") {
       		var xB = screen.availWidth;	// Bildschirmaufloesung ermitteln
			var yB = screen.availHeight;
			var xW = x; // Groesse des Popup
			var yW = y;
			var x = (xB / 2) - (xW / 2 ); // Popup zentrieren
			var y = (yB / 2) - (yW / 2 ); // Bildschirmmitte minus halbe Fenstergroesse
			test = name  +".moveTo(x,y)";
			eval(test);
       	}
}