public function systemsAction()
    {
        $key = $this->_getParam('key');

        $brand_table = Brand::getInstance();
        $brand = $brand_table->findByKey($key);
        $this->view->brand = $brand;

        $letter = $brand->findParentRow('Dd_Alphabet');

        $system_table = Brand_System::getInstance();
        $this->view->systems = $system_table->findByBrandId($brand->brand_id);

        $this->view->placeholder('title')->set('Системы бренда ' . $brand->name);
        $this->view->headTitle('Системы бренда ' . $brand->name);
        $this->view->headTitle($brand->name);
        $this->view->headTitle($letter->value);

        $page = $this->_helper->navigation()->findBy('label', 'Бренд');
        $page->setLabel($brand->name);
        $page->setParams(array('key' => $brand->key));

        $page = $this->_helper->navigation()->findBy('label', 'Буква бренда');
        $page->setLabel($letter->value);
        $page->setParams(array('alphabet_id' => $letter->alphabet_id));
    }