]) || empty($_POST['password']) )
    {
        $tpl->assign('NOTICE','Empty Fields. Fill up all the fields.');
        $tpl->assign('COLOR_TABLE','FFA8A8');
    }
    elseif(!preg_match( '/^[A-Za-z0-9]+$/i', $_POST['username'])){
        $tpl->assign('NOTICE','Your username contains illegal characters, only alphanumeric characters and underscore are allowed.');
        $tpl->assign('COLOR_TABLE','FFA8A8');
    }
    else
    {
        $CheckUser= $db->query("SELECT * FROM users WHERE username = '".$db->escape($_POST['username'])."'");
        if($db->num_rows($CheckUser))
        {
            $tpl->assign('NOTICE','Username or Email is already used by an another member.');
            $tpl->assign('COLOR_TABLE','FFA8A8');
        }
        else
        {
            $done = $db->query('INSERT into USERS (  username,  email,  password,  name,  reg_ip  )   values  (
            "' . $db->escape($_POST['username']) . '",
            "' . $db->escape($_POST['email']) . '",
            "' . $db->escape(md5($_POST['password'])) . '",
            "' . $db->escape($_POST['name']) . '",
            "' . $_SERVER['REMOTE_ADDR'] . '"
            )');
            if($done)
            {
                $tpl->assign('NOTICE','Successfuly Registered.You may login now.');
                $tpl->assign('COLOR_TABLE','CCFF99');
            }
            else
            {
                $tpl->assign('NOTICE','<b>There is an error: '.$db->error());
                $tpl->assign('COLOR_TABLE','FFA8A8');

            }
        }
    }
}

echo $tpl->draw( 'regform', $return_string = true );
?>