function addFavorite() {
    var aUrls = document.URL.split("/");
    var vDomainName = "http://" + aUrls[2] + "/";
    var description = document.title;
    try {//IE 
        window.external.AddFavorite(vDomainName, description);
    } catch (e) {//FF 
        window.sidebar.addPanel(description, vDomainName, "");
    }
}