picture_modify: do not show link to gallery if user level is too low

admin/picture_modify.php

@@ -183,6 +183,9 @@ UPDATE '.CATEGORIES_TABLE.'
 
   $page['infos'][] = l10n('Photo informations updated');
   pwg_activity('photo', $_GET['image_id'], 'edit');
+
+  // refresh page cache
+  $page['image'] = get_image_infos($_GET['image_id'], true);
 }
 
 // tags
@@ -379,6 +382,7 @@ while ($row = pwg_db_fetch_assoc($result))
 // 3. if URL category not available or reachable, use the first reachable
 //    linked category
 // 4. if no category reachable, no jumpto link
+// 5. if level is too high for current user, no jumpto link
 
 $query = '
 SELECT category_id
@@ -420,7 +424,7 @@ else
   }
 }
 
-if (isset($url_img))
+if (isset($url_img) and $user['level'] >= $page['image']['level'])
 {
   $template->assign( 'U_JUMPTO', $url_img ); 
 }