public function aliasAction()
{
// get page by alias
$page = Knowledgeroot_Page::findBy("alias", $this->_getParam('alias'));
// alias not found -> redirect to homepage
if ($page === null) {
$this->_redirect('');
}
// forward to listing
$this->_forward('list', 'page', null, array('id' => $page->getId()));
}
