function action_view()
    {
        $get = new Validate($_GET);
        $get = Validate::factory($_GET)->rule('article_id', 'is_numeric');

        if(!$get->check())
        {
            $this->errors = $get->errors('article_id');

            $view = View::factory('error')
            ->set('errors', $this->errors);

            $this->template->content = $view;
        }
        else
        {
            $article = new Model_Article;

            if(isset($_GET['article_id']))
            {
                if($article->exists($_GET['article_id']))
                {
                    $this->template->content = 'true';
                }
                else
                {

                    $this->template->content = 'false';
                }
            }
        }
    }