function Open(url,name, breite, hoehe) {

      links = (screen.width/2)-(breite/2);
      oben = (screen.height/2)-(hoehe/2);

      window.open(url,name,"height="+hoehe+",width="+breite+",status = 0,toolbar = 0,menubar = 0,location = 0,resizable = 0,titlebar = 0,scrollbars = 0,fullscreen = 0,top ="+oben+",left ="+links);
}

function Open_S(url,name, breite, hoehe) {

      links = (screen.width/2)-(breite/2);
      oben = (screen.height/2)-(hoehe/2);

      window.open(url,name,"height="+hoehe+",width="+breite+",status = 0,toolbar = 0,menubar = 0,location = 0,resizable = 0,titlebar = 0,scrollbars = 1,fullscreen = 0,top ="+oben+",left ="+links);
}