/* add to favorites */
function addToFavorites(lang) {
 if (document.all) {
 window.external.AddFavorite(document.location.href, document.title); // Internet Explorer
 } else if (window.sidebar) {
 window.sidebar.addPanel(document.title, document.location.href, ""); // Mozilla Firefox
 } else if (navigator.appName == "Netscape") {
 if (lang == 'en') {
 alert("Puoi aggiungere la pagina all\'elenco dei \'Preferiti\' premendo i tasti CTRL+D");
 } else {
 alert("You can add this page to your \'Favorites\' with the key sequence CTRL+D");
 }
 }
}