public function iageographyAction()
{
if ($this->_getParam('term', false)) {
$geographies = new Geography();
$response = $geographies->getIronAgeGeography($this->_getParam('term'));
} else {
$response = array(array('id' => NULL, 'term' => 'No ruler specified'));
}
echo Zend_Json::encode($response);
}