function doku() {window.open ("doku.php","Bild",'width=405,height=430,screenX=0,screenY=0,toolbar=no,directories=no,location=no,menubar=no,scrollbars=no,status=yes,titlebar=no,resizable=no');}

function anfahrt() {window.open ("anfahrtdetail.php","Bild",'width=550,height=570,screenX=0,screenY=0,toolbar=no,directories=no,location=no,menubar=no,scrollbars=no,status=yes,titlebar=no,resizable=no');}