function verifLangue()
{
  if (navigator.language)
  {
    var navigateur = navigator.language;
  }
  else if (navigator.userLanguage)
  {
    var navigateur = navigator.userLanguage;
  }
  else
  {
    document.location.href="./html/EN/critt.html"
  }


  if ( navigateur.indexOf("en") >-1)
  {
     document.location.href="./html/EN/critt.html";
  }
  else if ( navigateur.indexOf("fr")>-1 )
  {
     document.location.href="./html/FR/critt.html";
  }
  else
  {
      document.location.href="./html/EN/critt.html";
  }
}