function sq_check($post, &$sq, $uid=__fud_real_user__, $ses=s)
{
	/* no sequence # check for anonymous users */
	if (!$uid) {
		return 1;
	}

	if ($post && isset($_POST['SQ'])) {
		$s = $_POST['SQ'];
	} else if (!$post && isset($_GET['SQ'])) {
		$s = $_GET['SQ'];
	} else {
		$s = 0;
	}

	if ($sq !== $s) {
		if ($GLOBALS['t'] == 'post' || $GLOBALS['t'] == 'ppost') {
			define('fud_bad_sq', 1);
			$sq = regen_sq($uid);
			return 1;
		}
		header('Location: http://www.forum.toyota.org.pl/index.php?S='.$ses);
		exit;
	}

	return 1;
}