function edituserAction()
 {
     $system = new Admin_Model_User();
     if ($this->_request->isPost()) {
         $pass1 = $this->_request->getParam('password');
         $pass2 = $this->_request->getParam('re_password');
         $user = $this->_request->getParam('username');
         if ($pass1 == $pass2 && $user != '') {
             $this->view->purifier = Zend_Registry::get('purifier');
             $conf = HTMLPurifier_Config::createDefault();
             $purifier = new HTMLPurifier($conf);
             $username = $purifier->purify($this->_request->getParam('username'));
             $pass = $purifier->purify($this->_request->getParam('password'));
             $email = $purifier->purify($this->_request->getParam('email'));
             $full_name = $purifier->purify($this->_request->getParam('full_name'));
             $status = $purifier->purify($this->_request->getParam('status'));
             $group_name = $purifier->purify($this->_request->getParam('group_name'));
             $id = $purifier->purify($this->_request->getParam('id'));
             if ($pass == '') {
                 $password = $purifier->purify($this->_request->getParam('pass_hidden'));
             } else {
                 $password = $purifier->purify(sha1(salt . $this->_request->getParam('password')));
             }
             //echo $password; die;
             $system->update_user($username, $password, $email, $full_name, $status, $group_name, $id);
         } else {
             thongbao("Bạn đã nhập liệu sai");
         }
     }
     $id = $this->_request->getParam('id');
     $edit = $system->list_user_1($id);
     $this->view->books = $edit;
 }