From: John Resig <jeresig@gmail.com>
Date: Mon, 5 Jan 2009 21:59:07 +0000 (+0000)
Subject: Brought in a fix from Sizzle - IE doesn't have .contains on XML elements.
X-Git-Url: http://git.asbjorn.biz/?a=commitdiff_plain;h=089da4ea777ed5c30dfc835b70b953c86943d62e;p=jquery.git

Brought in a fix from Sizzle - IE doesn't have .contains on XML elements.
---

diff --git a/src/selector.js b/src/selector.js
index b3d8dbc..8ade53b 100644
--- a/src/selector.js
+++ b/src/selector.js
@@ -778,7 +778,7 @@ function dirCheck( dir, cur, doneName, checkSet, nodeCheck ) {
 var contains = document.compareDocumentPosition ?  function(a, b){
 	return a.compareDocumentPosition(b) & 16;
 } : function(a, b){
-	return a !== b && a.contains(b);
+	return a !== b && a.contains ? a.contains(b) : true;
 };
 
 // EXPOSE