From 45d712c23f7e21a1ac08e8db34adb38151bec98c Mon Sep 17 00:00:00 2001
From: SHIMODA Hiroshi <shimoda@clear-code.com>
Date: Wed, 6 Apr 2011 20:32:12 +0900
Subject: [PATCH] we should do smooth scroll if the second argument is not
 given

---
 content/treestyletab/treestyletabbrowser.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/content/treestyletab/treestyletabbrowser.js b/content/treestyletab/treestyletabbrowser.js
index 14558064..b9d7f542 100644
--- a/content/treestyletab/treestyletabbrowser.js
+++ b/content/treestyletab/treestyletabbrowser.js
@@ -1222,7 +1222,10 @@ TreeStyleTabBrowser.prototype = {
 						'{',
 						<![CDATA[{
 							var treeStyleTab = TreeStyleTabService.getTabBrowserFromChild(this).treeStyleTab;
-							if (treeStyleTab && arguments[1])
+							if (
+								treeStyleTab &&
+								(arguments.length == 1 || arguments[1])
+								)
 								return treeStyleTab.scrollToTab(arguments[0]);
 						]]>.toString()
 					)