//<![CDATA[
function agregarFavorito() {
    if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
        var url = document.location;
        var titulo = document.title;
        window.external.AddFavorite(url, titulo);
    } else {
        if (navigator.appName == "Netscape")
            window.sidebar.addPanel(document.title, location.href, "");
    }
}
//]]>