From 14ab4f4f374ddda1eaa552072e6e3a86a91db4bd Mon Sep 17 00:00:00 2001
From: kborchers <k_borchers@yahoo.com>
Date: Tue, 2 Aug 2011 08:36:22 -0500
Subject: [PATCH] Mouse: Changed mouseHandled check to a local var rather than
 using originalEvent. Fixed #4333 - Nested draggables problem in IE (cherry
 picked from commit dafc941b3632bb79823a72c36bfae7f1f985ca25)

---
 ui/jquery.ui.mouse.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/ui/jquery.ui.mouse.js b/ui/jquery.ui.mouse.js
index 7e38c69c444..5efa5e63a32 100644
--- a/ui/jquery.ui.mouse.js
+++ b/ui/jquery.ui.mouse.js
@@ -12,6 +12,11 @@
  */
 (function( $, undefined ) {
 
+var mouseHandled = false;
+$( document ).mouseup( function( e ) {
+	mouseHandled = false;
+});
+
 $.widget("ui.mouse", {
 	options: {
 		cancel: ':input,option',
@@ -44,9 +49,7 @@ $.widget("ui.mouse", {
 
 	_mouseDown: function(event) {
 		// don't let more than one widget handle mouseStart
-		// TODO: figure out why we have to use originalEvent
-		event.originalEvent = event.originalEvent || {};
-		if (event.originalEvent.mouseHandled) { return; }
+		if( mouseHandled ) { return };
 
 		// we may have missed mouseup (out of window)
 		(this._mouseStarted && this._mouseUp(event));
@@ -92,7 +95,8 @@ $.widget("ui.mouse", {
 			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
 
 		event.preventDefault();
-		event.originalEvent.mouseHandled = true;
+		
+		mouseHandled = true;
 		return true;
 	},