function changeOnglet(id, active)
{
  obj = document.getElementById('onglet'+id);
  if (active)
    obj.className = 'ongletOver';
  else
    obj.className = 'onglet';
}

function info()
{
  open("infoentr.html", "infos", "height=300, width=300, location=no");
}

function verifMail(email)
{
  var usr    = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
  var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
  var regex  = "^" + usr + "\@" + domain + "$";

  var rgx    = new RegExp(regex);
  return rgx.exec(email) ? true : false;
}