public function popupajaxAction()
 {
     $response = new Varien_Object();
     $response->setError(0);
     try {
         $pageName = $this->getRequest()->getParam('page');
         if (!$pageName) {
             throw new Exception($this->__('PageType not found'));
         }
         $pageName = Mage::helper('core')->escapeHtml($pageName);
         $popup = Mage::helper('promotional')->getPopup($pageName);
         if (isset($popup['promotional_id'])) {
             Mage::helper('promotional')->setViewedPopup($popup['promotional_id']);
             $response->addData($popup->toArray());
             $autoHideTime = Mage::helper('promotional')->getAutoHide();
             if ($autoHideTime > 0) {
                 $response->setAutoHideTime($autoHideTime);
             }
         } else {
             throw new Exception('Promotional Popup not found');
         }
     } catch (Exception $e) {
         $response->setError(1);
         $response->setErrorMessage($e->getMessage());
     }
     $this->getResponse()->setBody($response->toJson());
     return;
 }