menu_newson = new Image(); 
menu_newson.src = "img/menu_news_on.gif";
menu_newsoff = new Image(); 
menu_newsoff.src = "img/menu_news.gif";

menu_stampaon = new Image(); 
menu_stampaon.src = "img/menu_stampa_on.gif";
menu_stampaoff = new Image(); 
menu_stampaoff.src = "img/menu_stampa.gif";