From 271edabfc004492a904969d59ce402d4a677f16c Mon Sep 17 00:00:00 2001
From: Akhilesh Darjee <akhileshdarjee@gmail.com>
Date: Thu, 14 Nov 2013 19:56:22 +0530
Subject: [PATCH] [fix] [minor] tree.js fix of link loading

---
 public/js/wn/ui/tree.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/public/js/wn/ui/tree.js b/public/js/wn/ui/tree.js
index 81c4295c71..2a36546c9e 100644
--- a/public/js/wn/ui/tree.js
+++ b/public/js/wn/ui/tree.js
@@ -113,10 +113,12 @@ wn.ui.TreeNode = Class.extend({
 			callback: function(r) {
 				$(me.$a).done_working();
 
-				$.each(r.message, function(i, v) {
-					node = me.addnode(v);
-					node.$a.data('node-data', v);
-				});
+				if (r.message) {
+					$.each(r.message, function(i, v) {
+						node = me.addnode(v);
+						node.$a.data('node-data', v);
+					});
+				}
 				
 				me.loaded = true;