function bookmark(url, title) {
 if (window.sidebar) { // Mozilla Firefox Bookmark
  window.sidebar.addPanel(title, url,"");
 } 
 else if( window.external ) { // IE Favorite
  window.external.AddFavorite( url, title); 
 }
 else if(window.opera && window.print) { // Opera Hotlist
  return true;
 }
}