function image_window(DATEI,WIDTH,HEIGHT) {
    window.open(DATEI,"BildFenster","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width="+ WIDTH +",height="+ HEIGHT +"");
}
function anfahrt_window() {
    window.open("/anfahrt.php","BildFenster","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=720,height=550");
}