From 4ac8cef7adeac1dbd7ff67fa4fa7e80a886addf6 Mon Sep 17 00:00:00 2001
From: "cst%yecc.com" <cst%yecc.com>
Date: Sat, 5 May 2007 04:37:24 +0000
Subject: [PATCH] Bug 354140 In <bookmarksMenu.js>, "Error:
 aDragSession.sourceNode has no properties" r+sr=neil

---
 suite/common/bookmarks/bookmarksMenu.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/suite/common/bookmarks/bookmarksMenu.js b/suite/common/bookmarks/bookmarksMenu.js
index c7a0f65615d..be14939321c 100644
--- a/suite/common/bookmarks/bookmarksMenu.js
+++ b/suite/common/bookmarks/bookmarksMenu.js
@@ -474,7 +474,9 @@ var BookmarksMenuDNDObserver = {
   {
     var target = aEvent.target;
 
-    if (aDragSession) { // this function gets its API abused by onDragStart
+    // onDragStart calls this without a drag session
+    // There will be no sourceNode for drags from external apps
+    if (aDragSession && aDragSession.sourceNode) {
       var orientation = BookmarksMenu.getBTOrientation(aEvent, target);
       if (target == aDragSession.sourceNode ||
           (target == aDragSession.sourceNode.previousSibling &&