+ $entities = array();
+ $entity_count = array();
+ $c = 0;
+
+ foreach($message->parent->entities as $ent) {
+ if ($ent->type0 == 'message' && $ent->type1 == 'rfc822') {
+ $c++;
+ $entity_count[$c] = $ent->entity_id;
+ $entities[$ent->entity_id] = $c;
+ }
+ }
+ $prev_link = _("Previous");
+ $next_link = _("Next");
+ if($entities[$passed_ent_id] > 1) {
+ $prev_ent_id = $entity_count[$entities[$passed_ent_id] - 1];
+ $prev_link = '<a href="'
+ . set_url_var($PHP_SELF, 'passed_ent_id', $prev_ent_id)
+ . '">' . $prev_link . '</a>';
+ }
+ if($entities[$passed_ent_id] < $c) {
+ $next_ent_id = $entity_count[$entities[$passed_ent_id] + 1];
+ $next_link = '<a href="'
+ . set_url_var($PHP_SELF, 'passed_ent_id', $next_ent_id)
+ . '">' . $next_link . '</a>';
+ }
+ $s .= $topbar_delimiter . $prev_link;