d_browser = navigator.appName;
    function pm_addBookMark(p_url,p_title) {
      if (d_browser=='Microsoft Internet Explorer') {
        window.external.AddFavorite(p_url,p_title);
      }
      else if (d_browser=='Netscape') {
      alert("Click OK, then press CTRL+D on your keyboard to bookmark.");
      }
    }