$form = new Application_Form_Comment();
        $form->submit->setLabel('Comment');
        $this->view->form = $form;
        if ($this->getRequest()->isPost()) {
            $formData = $this->getRequest()->getPost();
            if ($form->isValid($formData)) {
            $comment = new Application_Model_DbTable_Comments();
            $comment->addComment($formData['comment'], $id);
                $this->_helper->redirector('index');
            } else {
                $form->populate($formData);
            }
        }
    }