function ImageWindow(Imgsrc, ImgName, xSize, ySize) {
if (ImgName == '' ) ImgName = Imgsrc;
xxSize = xSize +20;
yySize = ySize +20;
var popup = window.open(Imgsrc,"Bild",'width='+xxSize+',height='+yySize+',resizable=yes,left=0,top=2');
// popup.resizeTo(xSize+20,ySize+30);
popup.document.write('');
popup.document.write('Jürgens Fotozoom - ' +ImgName +', Bildgröße: ' +xSize +' * ' +ySize +' Pixel');
popup.document.write('');
popup.document.write('');
popup.document.write('
');
popup.document.write('');
popup.focus();
}