Last_Modified

session_start();
if(!isset($_SESSION['random_code']))
	$_SESSION['random_code'] = mt_rand(100000,1000000);
?>
<?header("Last-Modified: " . date("r", time()-432000));?>
<?header("Expires: " . date("r", time()+432000));?> 
<?
$Last_Modified = @date ( 'D, d M Y H:i:00' , time () - 432000 );
$Expires = @date ( 'D, d M Y H:i:00' , time () + 432000 );