From b2648a037a18beca383d35c8e5c5c9fe9f8c3b01 Mon Sep 17 00:00:00 2001
From: Dan Helfman <dan@luminotes.com>
Date: Thu, 29 Jan 2009 16:21:11 -0800
Subject: [PATCH] Prevent UI from attempting to load undefined toolbar buttons
 when viewing the trash.

---
 static/js/Wiki.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/static/js/Wiki.js b/static/js/Wiki.js
index 598d838..e18b972 100644
--- a/static/js/Wiki.js
+++ b/static/js/Wiki.js
@@ -1312,7 +1312,7 @@ Wiki.prototype.connect_image_button = function ( button, filename_prefix ) {
 
 Wiki.prototype.down_image_button = function ( name ) {
   var button = getElement( name );
-  if ( !button )
+  if ( !button || !button.filename_preifx )
     return;
 
   var toolbar_image_dir = this.get_toolbar_image_dir( button.always_small );
@@ -1328,7 +1328,7 @@ Wiki.prototype.down_image_button = function ( name ) {
 
 Wiki.prototype.up_image_button = function ( name ) {
   var button = getElement( name );
-  if ( !button )
+  if ( !button || !button.filename_prefix )
     return;
 
   var toolbar_image_dir = this.get_toolbar_image_dir( button.always_small );
@@ -1344,7 +1344,7 @@ Wiki.prototype.up_image_button = function ( name ) {
 
 Wiki.prototype.toggle_image_button = function ( name ) {
   var button = getElement( name );
-  if ( !button )
+  if ( !button || !button.filename_prefix )
     return;
 
   var toolbar_image_dir = this.get_toolbar_image_dir( button.always_small );