function bookmark(desc, url) {
  var url = "http://www.arcadecabin.com/";
  var desc = "ArcadeCabin.com - Free Flash Arcade Games!";
  if (document.all) {
    window.external.AddFavorite(url, desc); }
  else if (window.sidebar) {
    alert("Press CTRL + D on your keyboard to bookmark us."); }
}