/**
  * Prefetch MIME types and media classes for representations attached to objects in this result set
  */
 private function _prefetchMimeTypes($pa_options)
 {
     $o_db = new Db();
     $va_check_access = isset($pa_options['checkAccess']) ? $pa_options['checkAccess'] : null;
     $vs_sql_access = '';
     if (is_array($va_check_access) && sizeof($va_check_access)) {
         $vs_sql_access = ' AND caor.access IN (' . join(",", $va_check_access) . ')';
     }
     $va_ids = $this->getRowIDsToPrefetch('ca_objects', $this->currentIndex(), 5);
     $qr_res = $o_db->query("\n\t\t\tSELECT oxor.object_id, caor.representation_id, caor.mimetype\n\t\t\tFROM ca_object_representations caor\n\t\t\tINNER JOIN ca_objects_x_object_representations AS oxor ON caor.representation_id = oxor.representation_id\n\t\t\tWHERE\n\t\t\t\toxor.object_id IN (" . join(",", $va_ids) . ") {$vs_sql_access}\n\t\t");
     while ($qr_res->nextRow()) {
         $this->opa_mimetype_cache[(int) $qr_res->get('object_id')][$qr_res->get('mimetype')][] = (int) $qr_res->get('representation_id');
         $this->opa_class_cache[(int) $qr_res->get('object_id')][caGetMediaClass($qr_res->get('mimetype'))][] = (int) $qr_res->get('representation_id');
     }
     return true;
 }
 while ($vn_item_count < $vn_items_per_page && $vo_result->nextHit()) {
     $vn_object_id = $vo_result->get('object_id');
     $va_labels = $vo_result->getDisplayLabels();
     $vs_caption = "";
     foreach ($va_labels as $vs_label) {
         $vs_caption .= $vs_label;
     }
     # --- get the height of the image so can calculate padding needed to center vertically
     if ($vo_result->get("ca_objects.object_status") != 348) {
         $va_media_info = $vo_result->getMediaInfo('ca_object_representations.media', 'thumbnail', null, array('checkAccess' => $va_access_values));
         $vn_padding_top = 0;
         $vn_padding_top_bottom = (130 - $va_media_info["HEIGHT"]) / 2;
     }
     $va_media_info_orig = $vo_result->getMediaInfo('ca_object_representations.media', 'original');
     $vs_video_icon = "";
     if (caGetMediaClass($va_media_info_orig["MIMETYPE"]) == "video") {
         $vs_video_icon = "<div class='videoIconResults'><!-- empty --></div>";
     }
     print "<td align='center' valign='top' class='searchResultTd'>" . caNavLink($this->request, $vs_video_icon, '', 'Detail', 'Object', 'Show', array('object_id' => $vn_object_id)) . "<div class='searchThumbBg searchThumbnail" . $vn_object_id . "' style='padding: " . $vn_padding_top_bottom . "px 0px " . $vn_padding_top_bottom . "px 0px;'>";
     if ($vo_result->get("ca_objects.object_status") != 348) {
         print caNavLink($this->request, $vo_result->getMediaTag('ca_object_representations.media', 'thumbnail', array('checkAccess' => $va_access_values)), '', 'Detail', 'Object', 'Show', array('object_id' => $vn_object_id));
         $this->setVar('tooltip_no_image', 0);
     } else {
         print "<div class='imagePlaceholderThumb'>Image not available</div>";
         $this->setVar('tooltip_no_image', 1);
     }
     // Get thumbnail caption
     $this->setVar('object_id', $vn_object_id);
     $this->setVar('caption_title', $vs_caption);
     $this->setVar('caption_idno', $vo_result->get("ca_objects.idno"));
     $this->setVar('tooltip_caption', $vo_result->get("ca_objects.caption"));