function popFenster(url) { var breite = 700; var hoehe= 500; var einstellungen = 'width=750,height=600,screenX=200,screenY=100,left=200,top=100,toolbar=no,status=no,resizable=yes,scrollbars=no,location=no,menubar=no,directories=no'; var fenster = window.open(url, 'fenster', einstellungen); if (fenster) return false; else return true; }