From 3cc921dd3da81612a9fd9d33357d4a99ba4fd01e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Thu, 19 Nov 2009 16:37:05 +0000
Subject: [PATCH] Position: Changed document/window detection to be consistent
 with jQuery core.

Fixes a bug in IE7/8 where window == document.
---
 ui/jquery.ui.position.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ui/jquery.ui.position.js b/ui/jquery.ui.position.js
index 6c5250959..0b7563b10 100644
--- a/ui/jquery.ui.position.js
+++ b/ui/jquery.ui.position.js
@@ -29,11 +29,11 @@ $.fn.position = function(options) {
 		targetHeight,
 		basePosition;
 
-	if (options.of == document) {
+	if (options.of.nodeType === 9) {
 		targetWidth = target.width();
 		targetHeight = target.height();
 		basePosition = { top: 0, left: 0 };
-	} else if (options.of == window) {
+	} else if ('scrollTo' in options.of && options.of.document) {
 		targetWidth = target.width();
 		targetHeight = target.height();
 		basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
-- 
2.39.5