function bildvergroesserung(bild) {
	bildFile = "functions/grossbild/zoom.php?bild=" + bild;
	h = 560;
	w = 320;
	bildfenster = open(bildFile,"bildfenster","toolbar=no,scrollbars=no,resizable=yes,status=no,location=no,directories=no,width=290,height=100,menubar=no");
	}

function fensterZu() {
	bildfenster.close();
	}