function bookmarksite(title, url) {
    var browser = navigator.appName;
    var version = navigator.appVersion;
    var codeName = navigator.appCodeName;
    var platform = navigator.platform;
    
    if (window.sidebar) {
        window.sidebar.addPanel(title, url, "");
    }
    else if (window.opera && window.print) {
        var elem = document.createElement('a');
        elem.setAttribute('href', url);
        elem.setAttribute('title', title);
        elem.setAttribute('rel', 'sidebar');
        elem.click();
    }
    else if (document.all) {
        window.external.AddFavorite(url, title);
    }
    else{
        alert('Press <Control>+D to bookmark.');
    }
}