function showURL(data,x,y,scrolling){
	fenster=window.open(data, 'fenster', 'scrollbars=' + scrolling +',status=yes,menubar=no,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
			fenster.moveTo(x,y);
       	}
}

function over(obj,color){
	if(document.getElementById){
    		//document.getElementById(obj).style.backgroundColor=color;
	}
	return true;
}