From c2f3cfaf1771755a94c38df1d68d8a0816f88eb6 Mon Sep 17 00:00:00 2001
From: SHIMODA Hiroshi <shimoda@clear-code.com>
Date: Thu, 9 Dec 2010 23:33:04 +0900
Subject: [PATCH] can't do search from the web search bar in some webpages

---
 content/treestyletab/treestyletab.js | 7 +++++--
 install.rdf                          | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index e8bdfa86..a7c78a34 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -157,9 +157,12 @@ var TreeStyleTabService = {
 			w = this.browser.contentWindow;
 
 		return (function(aWindow) {
-			if (aWindow.getSelection().toString() == aTerm)
+			if (!aWindow || !(aWindow instanceof Components.interfaces.nsIDOMWindow))
+				return false;
+			var selection = aWindow.getSelection();
+			if (selection && selection.toString() == aTerm)
 				return true;
-			return Array.slice(aWindow.frames).some(arguments.callee);
+			return aWindow.frames ? Array.slice(aWindow.frames).some(arguments.callee) : false ;
 		})(w);
 	},
 	kSEARCH_RESULT_DO_NOT_ATTACH      : 0,
diff --git a/install.rdf b/install.rdf
index 82dacd8e..d53eceb1 100644
--- a/install.rdf
+++ b/install.rdf
@@ -5,7 +5,7 @@
   <RDF:Description RDF:about="urn:mozilla:install-manifest"
                    em:id="treestyletab@piro.sakura.ne.jp"
                    em:name="Tree Style Tab"
-                   em:version="0.11.2010120902"
+                   em:version="0.11.2010120903"
                    em:creator="SHIMODA Hiroshi"
                    em:description="Show tabs like a tree."
                    em:homepageURL="http://piro.sakura.ne.jp/xul/_treestyletab.html.en"