Event.observe(window, 'load', function() {



        $$('a.share').each(function(e){

           var titolo = $('contenuto').innerHTML;

          if(e.hasClassName('fb')) e.setAttribute('href', 'http://www.facebook.com/sharer.php?u='+encodeURIComponent(document.location.href)+'&t='+titolo);
          //if(e.hasClass('fb')) e.set('href', 'http://www.facebook.com/sharer.php?u=http%3A%2F%2Fwww.settimatorre.com%2Fpage.php%3Fp%3Dracconti%26s%3Dleggi2%26idMat%3D659&t=Fondazione+Yamato
          if(e.hasClassName('tw')) e.setAttribute('href', 'http://twitter.com/home?status=nome_sito - '+encodeURIComponent(document.location.href));


        })

});