function quer(bild) 
{
newWin = window.open("vergroesserung.html?" + bild, "fenstername", "scrollbars=0,toolbar=0,location=0,directories=0,status=0,resizable=0,width=500,height=325");
}

function hoch(bild) 
{
newWin = window.open("vergroesserung.html?" + bild, "fenstername", "scrollbars=0,toolbar=0,location=0,directories=0,status=0,resizable=0,width=375,height=500");
}