public function deleteAction()
{
// check acl
if (!Knowledgeroot_Acl::iAmAllowed('content_' . $this->_getParam('id'), 'delete')) {
$this->_redirect('page/' . $this->_getParam('content_page'));
}
$content = new Knowledgeroot_Content($this->_getParam('id'));
$parent = $content->getParent();
$content->delete();
$this->_redirect('page/' . $parent);
}