function doBookmark(a)
{
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4))
  {
    window.external.AddFavorite( document.location.href  , document.title + ' - ' + a) ;
  }
  else
  {
    if(navigator.appName == "Netscape") 
      alert('Per aggiungere la pagina ai Preferiti premere CTRL+D');
  }
}


function ShowHideInvia(ID) {
    if (document.getElementById(ID).style.display == "none") {
        document.getElementById(ID).style.display = "block";
    } else {
        document.getElementById(ID).style.display = "none";
    }
}


function chiudiRichiestaSilverlight(ID) {
    document.getElementById(ID).style.display = "none";
}

function installaRichiestaSilverlight(ID) {
    location.href = "http://go.microsoft.com/fwlink/?LinkID=149156&v=3.0.40818.0";
    document.getElementById(ID).style.display = "none";
}


function nascondiRichiestaSilverlight() {

    try {document.getElementById('no_silverlight').style.display = "none";}
    catch (e) {}
    finally {}
    
}