function addBookmark(url, title)
     {
      if (!url) url = location.href;
      if (!title) title = document.title;
  
      //Gecko
      if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) window.sidebar.addPanel (title, url, "");
      //IE4+
      else if (typeof window.external == "object") window.external.AddFavorite(url, title);
      //Opera7+
      else if (window.opera && document.createElement)
      {
        var a = document.createElement('A');
        if (!a) return false; //IF Opera 6
        a.setAttribute('rel','sidebar');
        a.setAttribute('href',url);
        a.setAttribute('title',title);
        a.click();
      }
      else return false;
      
      return true;
      }