diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ung_js/ung.js.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ung_js/ung.js.xml
index 421b2b74f281a0c7c652373cfdaa64c04506c28c..b228467cdc4cdc20a74e7a575c669f9c5458848f 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ung_js/ung.js.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ung_js/ung.js.xml
@@ -152,6 +152,8 @@ $(document).ready(function(){\n
      var height = tr_length * 1.5;\n
      $("div.main-right tbody").css("height", height + "em");\n
    }\n
+   if ($("div.listbox-navigation").text() == "null")\n
+     $("div.listbox-navigation").hide();\n
  }\n
  $("#edit_document").dialog({\n
     autoOpen: false,\n
diff --git a/bt5/erp5_web_ung_theme/bt/revision b/bt5/erp5_web_ung_theme/bt/revision
index 8bc6583717d617da1f8bf8bbaa7c16c25ef17113..5a396e28e80321703d56c67ec21cc076b67f5d46 100644
--- a/bt5/erp5_web_ung_theme/bt/revision
+++ b/bt5/erp5_web_ung_theme/bt/revision
@@ -1 +1 @@
-120
\ No newline at end of file
+121
\ No newline at end of file