function Bildgross (Adresse,Titel,Width,Height) {
  Fenster1 = window.open(Adresse, 'Bild', "width="+Width+",height="+Height+",left=20,top=20,scrollbars=no,resizable=no,dependent=yes");
  Fenster1.focus();
}

function groesser(div,bild) {
	document.getElementById(div).style.height="140px";
    document.getElementById(bild).style.height="110px";
	document.getElementById(bild).style.width="147px";
}
function kleiner(div,bild) {
	document.getElementById(div).style.height="55px";
    document.getElementById(bild).style.height="60px";
	document.getElementById(bild).style.width="80px";
}