code: public function clientOnPageRender(Eresus_Event_Render $event)
      {
          $articles = $this->renderArticlesBlock();
          $text = str_replace('$(ArticlesBlock)', $articles, $event->getText());
          $event->setText($text);
      }
docs: Вставляет блок статей на страницу
  
  @param Eresus_Event_Render $event