function FensterOeffnen (Foto) {
  	Fenster1 = window.open(Foto, "neuesFenster", "width=720,height=550,left=100,top=20");
  	Fenster1.focus();
	}
function GallerieOeffnen (gallerie) {
  	Fenster1 = window.open(gallerie, "neuFenster", "width=1200px,height=790px,left=100px,top=20px,scrollbars=yes");
  	Fenster1.focus();
	}