function bookmark() {
    url = window.location;
    title = document.title;
    if(window.sidebar) {
        //Mozila
        window.sidebar.addPanel(title,url,"");
    }
    else if (navigator.appName=='Microsoft Internet Explorer') {
        //IE
        window.external.AddFavorite(url,title);
    }
    else if(window.opera && window.print) {
        //Netscape
        var elem = document.createElement('a');
        elem.setAttribute('href',url);
        elem.setAttribute('title',title);
        elem.setAttribute('rel','sidebar');
        elem.click();
    }
}