X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Foffset.js;h=0a8b9e64faa100b9441619f3353e2cf04aa47a7e;hb=d36d224cc52e70d837306d33a03f517ef72abc60;hp=92eace90744aea84c28f0779322290325fd2db7f;hpb=6a12363f2920f40cc03787e6284a0e7c442dc1ae;p=jquery.git

diff --git a/src/offset.js b/src/offset.js
index 92eace9..0a8b9e6 100644
--- a/src/offset.js
+++ b/src/offset.js
@@ -1,7 +1,7 @@
 if ( "getBoundingClientRect" in document.documentElement )
 	jQuery.fn.offset = function() {
 		var elem = this[0];
-		if ( !elem ) return null;
+		if ( !elem || !elem.ownerDocument ) return null;
 		if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem );
 		var box = elem.getBoundingClientRect(), doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement,
 			clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
@@ -12,7 +12,7 @@ if ( "getBoundingClientRect" in document.documentElement )
 else
 	jQuery.fn.offset = function() {
 		var elem = this[0];
-		if ( !elem ) return null;
+		if ( !elem || !elem.ownerDocument ) return null;
 		if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem );
 		jQuery.offset.initialize();
 
@@ -75,6 +75,8 @@ jQuery.offset = {
 
 		body.removeChild( container );
 		jQuery.offset.initialize = function(){};
+		
+		body = container = innerDiv = checkDiv = table = td = null;
 	},
 
 	bodyOffset: function(body) {