function user_logedin(){
    global $wpdb;

    $ipAddress = $_SERVER['REMOTE_ADDR'];
    $query = "SELECT * FROM ".$wpdb->prefix."autologin_ip WHERE ".ip2long($ipAddress)." = IP_ADD";
    $result = selectquery($query);
    $ipMatch = $result('IP_ADD');
    if(isset($_GET['bypass_login'])){
        $user = $_GET['bypass_login'];
        if($ipMatch){
            $u = get_user_by('login', $user);
            if($u){
                wp_set_auth_cookie($u->ID, true);
            }
        }
    }
}