Index: /trunk/admin/themes/default/template/batch_manager_global.tpl
===================================================================
--- /trunk/admin/themes/default/template/batch_manager_global.tpl	(revision 10592)
+++ /trunk/admin/themes/default/template/batch_manager_global.tpl	(revision 10637)
@@ -30,5 +30,5 @@
 var applyOnDetails_pattern = "{'on the %d selected photos'|@translate}";
 var elements = new Array();
-var all_elements = [{','|@implode:$all_elements}];
+var all_elements = [{if !empty($all_elements)}{','|@implode:$all_elements}{/if}];
 
 var selectedMessage_pattern = "{'%d of %d photos selected'|@translate}";