multilanguage database struct

[eluser]siubie[/eluser]
this is my controller is this the right way to extend the class?

Code:

<?php
include "baseController.php";
class Web extends BaseController {

    function Web()
    {
        parent::Controller();
    }

    function index()
    {
      echo $this->idioma; // this one return nothing
//      echo $this->session->userdata('language_id'); // this line return 1 wich is in my database english language have id 1
      $this->template->set_template('webTemplate');
      $this->template->write_view('header', 'web/header/default');
      $this->template->write_view('menu', 'web/menu/default');
      $this->template->write_view('slide', 'web/slide/default');
      $this->template->write_view('content', 'web/content/default');
      $this->template->write_view('footer', 'web/footer/default');
      $this->template->render();
    }



}

/* End of file welcome.php */
/* Location: ./system/application/controllers/welcome.php */