$site = isset ($_GET['s']) && file_exists('pages/'.$_GET['s']) ? $_GET['s'] : 'home.html'; header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); header("Content-type: text/html; charset=utf-8"); echo '<'.'?xml version="1.0" encoding="utf-8" ?'.'>'; ?>