function bookmark(w_url, w_title) {
    // Mozilla Firefox Bookmark
        if (window.sidebar) {
            window.sidebar.addPanel(w_title, w_url,"");
        // IE Favorite
        } else if(window.external) {
            window.external.AddFavorite(w_url, w_title); 
        // Opera Hotlist
        } else if(window.opera && window.print) {
            var elem = document.createElement('a');
            elem.setAttribute('href', w_url);
            elem.setAttribute('title', w_title);
            elem.setAttribute('rel', 'sidebar');
            elem.click();
        }
}