public function render($datas)
 {
     global $dbh;
     global $opac_url_base;
     global $opac_show_book_pics;
     global $opac_book_pics_url;
     global $opac_notice_affichage_class;
     global $opac_bannette_notices_depliables;
     global $opac_bannette_notices_format;
     global $opac_bannette_notices_order;
     global $liens_opac;
     if ($datas['id']) {
         $bannette = new bannette($datas['id']);
         $info_header = $bannette->construit_liens_HTML();
         $datas['info']['header'] = $info_header;
         $bannette->notice_tpl = $this->parameters['used_template'];
         $bannette->document_notice_tpl = $this->parameters['used_template'];
         $bannette->get_datas_content();
         $datas = array_merge($datas, $bannette->data_document);
     }
     return parent::render($datas);
 }