function bookmark(url, title) {

    var browser = $.browser;
    var is_chrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
    if (browser.msie) {
        window.external.AddFavorite(url, title);
    }
    else if (browser.mozilla) {
        window.sidebar.addPanel(title, url, "");
    }
    else if (is_chrome) {
        alert('Press ctrl+D to bookmark (Command+D for macs) after you click Ok');
    }
    else if (browser.safari) {
        alert("Press Apple-D to bookmark");
    }
    else if (browser.opera) {
        alert("Press CTRL-T to bookmark");
    }

}