// 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("Jan", "Feb", "Mar", "Apr", "May", 
   "Jul", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
  document.write("Revised: " + monthName[modiDate.getMonth()] + " ");
  document.write(modiDate.getDate() + ", " + modiYear);
}