/**
  * @return Aitoc_Aitsys_Model_News_Recent
  */
 public function getNews()
 {
     if (!$this->_news) {
         $this->_news = Mage::getModel('aitsys/news_recent');
         $this->_news->loadData();
     }
     return $this->_news->getNews();
 }
 /**
  * Update news from www.aitoc.com
  */
 public function updateNews()
 {
     $news = new Aitoc_Aitsys_Model_News_Recent();
     $news->loadData();
     $important = new Aitoc_Aitsys_Model_News_Important();
     $important->loadData();
 }