protected function addTrackSelect(array &$elements, $data, $elementId = 'gto_id_track')
    {
        // Store for use in addFillerSelect
        $this->trackFieldId = $elementId;
        
        $orgs   = $this->currentUser->getRespondentOrganizations();
        $tracks = $this->util->getTrackData()->getTracksForOrgs($orgs);

        if (count($tracks) > 1) {
            $elements[$elementId] = $this->_createSelectElement($elementId, $tracks, $this->_('(select a track)'));
            $elements[$elementId]->setAttrib('onchange', 'this.form.submit();');
        }
    }