From fb2ddc4504313688c2b69aa326e1db30c0fefc92 Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Tue, 27 Jan 2009 01:16:18 +0000
Subject: [PATCH] MINOR Defensive handling of events in
 TreeSelectorField->hideTree

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@70769 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 javascript/TreeSelectorField.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/javascript/TreeSelectorField.js b/javascript/TreeSelectorField.js
index 0c92f9467..13d5c17a0 100755
--- a/javascript/TreeSelectorField.js
+++ b/javascript/TreeSelectorField.js
@@ -134,7 +134,7 @@ TreeDropdownField.prototype = {
 		this.treeShown = false;
 		if(this.itemTree) {
 			this.itemTree.style.display = 'none';
-			Event.stopObserving(document, 'click', this.bound_testForBlur);
+			if(this.bound_testForBlur) Event.stopObserving(document, 'click', this.bound_testForBlur);
 			// this.editLink.style.display = this.humanItems.style.display = 'block';
 			this.unstretchIframeIfNeeded();
 		}