function refreshAuto()
{

  var anti_cache = new Date();
  var elementHTML = document.getElementById('titre');
  var url = 'http://www.mixfeever.com/titre.php?blabla=' + anti_cache;
  var myAjax = new Ajax.PeriodicalUpdater(
    elementHTML,
    url,
    {
      frequency:20, //-> nbre de second
      decay:1
    }
  )
};