function blank()
{
    //desktop = window.open("http://svc.interplanet.it/blank.html", "messaggio","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=400,height=100" );
    desktop = window.open("http://svc.interplanet.it/wrong.html", "messaggio","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=400,height=100" );
}