<?
if (isset($_COOKIE['login']) and isset($_COOKIE['pass'])) {
$login = $_COOKIE['login'];
$pass = $_COOKIE['pass'];
$u = mysql_query("SELECT * FROM `users` WHERE `login` = '".$login."' and `pass` = '".$pass."' LIMIT 1");
$user = mysql_fetch_assoc($u);
if (isset($user['id'])) {
if ($user['login'] != $login or $user['pass'] != $pass) {
setcookie('login', '', 0);
setcookie('pass', '',0);
}
}
}
?>