function editlinkAction()
 {
     $system = new Admin_Model_Link();
     if ($this->_request->isPost()) {
         $this->view->purifier = Zend_Registry::get('purifier');
         $conf = HTMLPurifier_Config::createDefault();
         $purifier = new HTMLPurifier($conf);
         $title = $purifier->purify($this->_request->getParam('title'));
         $link = $purifier->purify($this->_request->getParam('link'));
         $id = $this->_request->getParam('id');
         $system->update_link($title, $link, $id);
     }
     $id = $this->_request->getParam('id');
     $edit = $system->list_link_1($id);
     $this->view->books = $edit;
 }