From 4bfee29a3808d7ef41a217a70356e6fe696a1a05 Mon Sep 17 00:00:00 2001
From: piro <piro@599a83e7-65a4-db11-8015-0010dcdd6dc2>
Date: Fri, 17 Sep 2010 09:34:41 +0000
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git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@7250 599a83e7-65a4-db11-8015-0010dcdd6dc2
---
 content/treestyletab/treestyletab.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index b6438c7f..1c6e521d 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -121,7 +121,8 @@ var TreeStyleTabService = {
  
 	get isToolbarCustomizing() 
 	{
-		return window.gToolbox && gToolbox.customizing;
+		var toolbox = window.gToolbox || window.gNavToolbox;
+		return toolbox && toolbox.customizing;
 	},
  
 	maxTabbarWidth : function TSTService_maxTabbarWidth(aWidth, aTabBrowser)