<?

if ((!isset($_SESSION['admin'])) || ($_SESSION['admin'] == ''))
{
    echo '<META http-equiv="refresh" content="0;URL=index.php?page=login&message=2';
    if (isset($_SERVER['HTTP_REFERER']))
        echo '&url=' . htmlentities($_SERVER['REQUEST_URI']) . '">';
    else
        echo '">';
}
?>