public function listuserAction()
{
$muser = new Admin_Model_User();
$paginator = Zend_Paginator::factory($muser->list_user());
$paginator->setItemCountPerPage(15);
$paginator->setPageRange(5);
$currentPage = $this->_request->getParam('page', 1);
$paginator->setCurrentPageNumber($currentPage);
$this->view->books = $paginator;
}