//
// format date as dd-mmm-yy
// example: 12-Jan-99
//
function date_ddmmmyy(date, lang)
{
  var d = date.getDate();
  var m = date.getMonth() + 1;
  var y = date.getFullYear();

  // could use splitString() here 
  // but the following method is 
  // more compatible
  var mmm = "";

  if (lang == "fr")
  {
    mmm = 
    ( 1==m)?'Jan':( 2==m)?'Fév':(3==m)?'Mar':
    ( 4==m)?'Avr':( 5==m)?'Mai':(6==m)?'Jun':
    ( 7==m)?'Jul':( 8==m)?'Aoû':(9==m)?'Sep':
    (10==m)?'Oct':(11==m)?'Nov':'Déc';    
  }
  else if (lang == "en")
  {
    mmm = 
    ( 1==m)?'Jan':( 2==m)?'Feb':(3==m)?'Mar':
    ( 4==m)?'Apr':( 5==m)?'May':(6==m)?'Jun':
    ( 7==m)?'Jul':( 8==m)?'Aug':(9==m)?'Sep':
    (10==m)?'Oct':(11==m)?'Nov':'Dec';
  }
  else
  {
    mmm = 
    ( 1==m)?'01':( 2==m)?'02':(3==m)?'03':
    ( 4==m)?'04':( 5==m)?'05':(6==m)?'06':
    ( 7==m)?'07':( 8==m)?'08':(9==m)?'09':
    (10==m)?'10':(11==m)?'11':'12';    
  }

  return "" + d + "-" + mmm + "-" + y;
}


//
// get last modified date of the 
// current document.
//
function date_lastmodified(lang)
{
  var lmd = document.lastModified;
  var s   = "";
  var d1  = Date.parse(lmd);

  // check if we have a valid date
  // before proceeding
  if (0 != d1 && !isNaN(d1))
  {
    s = "" + date_ddmmmyy(new Date(d1), lang);
  }

  return s;
}