function FensterAuf(Url, Ziel, breite, hoehe) 
{
	breite += 0;
	hoehe += 0;
	var winOpts = "toolbar=0,location=0,directories=0,status=0,menubar=0,";
	winOpts += "scrollbars=0,resizable=1,copyhistory=0,top=0, left=0,";
	winOpts += "width=" + breite + ",height=" + hoehe;

	NewWin = window.open('',Ziel, winOpts);
	NewWin.focus();
	NewWin.location.href = Url;
}