public function editAccessAction()
{
$group = $this->_helper->entity(new Group(), 'group');
$this->view->group = $group;
$form = $this->getForm();
$form->setMethod('post');
$form->setAction($this->view->url(array('action' => 'edit')));
$form->setDefaults(array('name' => $group->getName()));
$this->view->form = $form;
$this->_helper->actionStack('edit', 'acl', 'admin', array('role' => $group->getRoleId(), 'group' => $group->getId()));
}