public function deleteAction()
 {
     SxCms_Acl::requireAcl('account', 'account.delete');
     $user = new SxCms_User();
     $user->setId($this->_getParam('id'));
     $mapper = new SxCms_User_DataMapper();
     $mapper->delete($user);
     $flashMessenger = $this->_helper->getHelper('FlashMessenger');
     $flashMessenger->addMessage($this->admin_tmx->_('userdeleted'));
     $this->_helper->redirector->gotoSimple('index', 'account');
 }