function format(date)
{
  var d = date.getDate();
  var m = date.getMonth() + 1;
  var y = date.getFullYear();
  var mmm = 
    ( 1==m)?'January':( 2==m)?'February':(3==m)?'March':
    ( 4==m)?'April':( 5==m)?'May':(6==m)?'June':
    ( 7==m)?'July':( 8==m)?'August':(9==m)?'September':
    (10==m)?'October':(11==m)?'November':'December';
  return mmm + " " +
    (d<10?"0"+d:d) + ", " +
    (y<10?"0"+y:y);
}

function date_lastmodified()
{
  var lmd = document.lastModified;
  var s   = "Unknown";
  var d1;
  if(0 != (d1=Date.parse(lmd)))
  {
    s = "" + format(new Date(d1));
  }
  return s;
}