535

function _ajax_example_get_second_dropdown_options($key = '') {
  $options = array(
    t('String') => drupal_map_assoc(array(t('Violin'), t('Viola'), t('Cello'), t('Double Bass'))),
    t('Woodwind') => drupal_map_assoc(array(t('Flute'), t('Clarinet'), t('Oboe'), t('Bassoon'))),
    t('Brass') => drupal_map_assoc(array(t('Trumpet'), t('Trombone'), t('French Horn'), t('Euphonium'))),
    t('Percussion') => drupal_map_assoc(array(t('Bass Drum'), t('Timpani'), t('Snare Drum'), t('Tambourine'))),
  );
  if (isset($options[$key])) {
    return $options[$key];
  }
  else {
    return array();
  }
}