public function medcatrulerAction()
{
if ($this->_getParam('term', false)) {
$rulers = new Rulers();
$rulerOptions = $rulers->getMedievalRulersAjax($this->_getParam('term'));
if ($rulerOptions) {
$response = $rulerOptions;
} else {
$response = array(array('id' => '', 'term' => 'No options available'));
}
} else {
$response = array(array('id' => NULL, 'term' => 'No category specified'));
}
echo Zend_Json::encode($response);
}