function loginUser($un, $psw)
{
    $_SESSION['uid'] = $uid = Adapter::getAValue('UID', '`person`', 'name=?', array($un), "s");
    $_SESSION['type'] = Adapter::getAValue('type', '`person`', 'uid=?', array($uid), "i");
    if ($uid == -1) {
        print 1;
        return;
    }
    if (!Adapter::isExists('`person`', 'UID=? AND hash=?', array($uid, getHash($psw)), "is")) {
        print 2;
        return;
    }
    /*login code*/
    $_SESSION['logged'] = 1;
    print 3;
}