From ad0ebf00abca53caaaa46fb172024ba9b23b03a1 Mon Sep 17 00:00:00 2001
From: Dave Methvin <dave.methvin@gmail.com>
Date: Fri, 21 Jan 2011 09:51:30 -0500
Subject: [PATCH] Don't do body-related feature tests on frameset docs that
 have no body. Fixes #7398.

---
 src/support.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/support.js b/src/support.js
index 7be28fda..4807ce27 100644
--- a/src/support.js
+++ b/src/support.js
@@ -136,10 +136,16 @@
 	// Figure out if the W3C box model works as expected
 	// document.body must exist before we can do this
 	jQuery(function() {
-		var div = document.createElement("div");
-		div.style.width = div.style.paddingLeft = "1px";
+		var div = document.createElement("div"),
+			body = document.getElementsByTagName("body")[0];
 
-		document.body.appendChild( div );
+		// Frameset documents with no body should not run this code
+		if ( !body ) {
+			return;
+		}
+
+		div.style.width = div.style.paddingLeft = "1px";
+		body.appendChild( div );
 		jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
 
 		if ( "zoom" in div.style ) {
@@ -178,7 +184,7 @@
 		jQuery.support.reliableHiddenOffsets = jQuery.support.reliableHiddenOffsets && tds[0].offsetHeight === 0;
 		div.innerHTML = "";
 
-		document.body.removeChild( div ).style.display = "none";
+		body.removeChild( div ).style.display = "none";
 		div = tds = null;
 	});