function klein(bild) {
        newWin = window.open("js/bilderoeffner_js.html?" + bild, "fenstername", "scrollbars=0,toolbar=0,location=0,directories=0,status=0,resizable=0,width=800,height=600");
}
function kleinquer(bild) {
        newWin = window.open("js/bilderoeffner_js.html?" + bild, "fenstername", "scrollbars=0,toolbar=0,location=0,directories=0,status=0,resizable=0,width=600,height=480");
}