$form['term-selection']['autocomplete'] = array(
      '#title' => variable_get('autocomplete_sync_shs_autocomplete_headline',t('Type in directly')),
      '#description' => variable_get('autocomplete_sync_shs_autocomplete_info',t('')),
      '#type' => 'textfield',
      '#autocomplete_path' => 'third-level-auto-suggest/autocomplete-taxonomy-term/'.$field_name.'/'.$entity_type.'/' . $node_type ,
      '#states' => array(
         'disabled' => array(
           ':input[name="widget-selection"]' => array('value' => 1 ),
         ),
      ),
      '#default_value' => $default_autocomplete,
    );