function doLogin($user, $pass){
    $_user = trim($user);
    $_pass = md5(trim($pass));

    $query = "SELECT * FROM accounts WHERE user='$_user';";
    $result = @mysql_query($query);
//    var_dump($result,$_user,$_pass);
    if(@mysql_num_rows($result) == false)
        return false;
    else
        return true;
}