function SetArchiveCookie() {
  var dObj = document.getElementById('idArchiveDay');
  var mObj = document.getElementById('idArchiveMonth');
  var yObj = document.getElementById('idArchiveYear');

  var aDate = yObj.value + '-' + mObj.value + '-' + dObj.value;
  
  var expdate = new Date ();
  FixCookieDate (expdate);
  expdate.setTime (expdate.getTime() + (365 * 24 * 60 * 60 * 1000)); 
  SetCookie('wxARCHIVE', aDate, expdate, '/data');
}