Как добавить кнопку в модальное окно? - [VM2&3] Регистрация, покупка, управление заказами

	/**
	 * Add the product to the cart, with JS: PML
	 *
	 */
	public function addJS() {

		//maybe we should use $mainframe->close(); or jexit();instead of die;
		/* Load the cart helper */
		//require_once(JPATH_VM_SITE.DS.'helpers'.DS.'cart.php');
		$this->json = null;
		$cart = VirtueMartCart::getCart(false);
		if ($cart) {
			// Get a continue link */
			$virtuemart_category_id = shopFunctionsF::getLastVisitedCategoryId();
			if ($virtuemart_category_id) {
				$categoryLink = '&view=category&virtuemart_category_id=' . $virtuemart_category_id;
			} else
			$categoryLink = '';
			$continue_link = JRoute::_('index.php?option=com_virtuemart' . $categoryLink);
			$virtuemart_product_ids = JRequest::getVar('virtuemart_product_id', array(), 'default', 'array');
			$errorMsg = JText::_('COM_VIRTUEMART_CART_PRODUCT_ADDED');
			if ($cart->add($virtuemart_product_ids, $errorMsg )) {

				$this->json->msg = '<a class="continue" href="' . $continue_link . '" >' . JText::_('COM_VIRTUEMART_CONTINUE_SHOPPING'). '</a>';
				$this->json->msg .= '<a class="showcart floatright" href="' . JRoute::_("index.php?option=com_virtuemart&view=cart"). '">' . JText::_('COM_VIRTUEMART_CART_SHOW_MODAL'). '</a>';

				//pml1 - Тут я пробую вставить кнопку но ни чего не получается.
				$this->json->msg .= '<p>' . JText::_('<input type="submit" name="<?php echo $button_name ?>"  class="<?php echo $button_cls ?>" value="<?php echo $button_lbl ?>" title="<?php echo $button_lbl ?>" />'). '</p>';
				//pml end
				
				if ($errorMsg) $this->json->msg .= '<div>'.$errorMsg.'</div>';
				$this->json->stat = '1';
			} else {
				// $this->json->msg = '<p>' . $cart->getError(). '</p>';
				$this->json->msg = '<a class="continue" href="' . $continue_link . '" >' . JText::_('COM_VIRTUEMART_CONTINUE_SHOPPING'). '</a>';
				$this->json->msg .= '<div>'.$errorMsg.'</div>';
				$this->json->stat = '2';
			}
		} else {
			$this->json->msg = '<a href="' . JRoute::_('index.php?option=com_virtuemart'). '" >' . JText::_('COM_VIRTUEMART_CONTINUE_SHOPPING'). '</a>';
			$this->json->msg .= '<p>' . JText::_('COM_VIRTUEMART_MINICART_ERROR'). '</p>';
			$this->json->stat = '0';
		}
		//$this->json->msg='<img src="http://eda2.realsvyaz.ru/images/stories/virtuemart/product/resized/6409_250px6_190x190.jpg">';
		echo json_encode($this->json);
		jExit();
	}
//END PML