// Formatted last-modified date
if (Date.parse(document.lastModified) != 0) {
  var modiDate = new Date(document.lastModified);
  var modiYear = modiDate.getYear();
  modiYear = (modiYear < 2000) ? modiYear + 1900 : modiYear;
  var monthName = new Array("Janvier", "Février", "Mars", "Avril", "Mai", 
   "Juin", "Juillet", "Août", "Septembre", "Octobre", "Novembre", "Decembre");
  document.write(" Dernière modification : " + modiDate.getDate() + " ");
  document.write(  monthName[modiDate.getMonth()] + " " + modiYear);
  }
// Jim Dettwiler  http://www.icehouse.net/jim_d/
// translate and modify in french by LEBON Sylvain