function winOpen(url, breite, hoehe) {

      links = (screen.width)-(breite);
      oben = (screen.height)-(hoehe);
      fenster = window.open(url,"popup","height="+hoehe+",width="+breite+",status = no,toolbar = no,menubar = no,location = no,resizable = no,titlebar = no,scrollbars = no,fullscreen = no,top ="+oben+",left ="+links);
      fenster.window.focus();
     
   }