X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Foffset.js;h=b94faf37b200a612ac16626ed0cb3b53c7531fd0;hb=ea507b3e998126ae1f94f4fd1618994d645c9cc8;hp=c472f98520a65c578870dd8fb6101588730dc912;hpb=37b607d2815b893d13de4ac3461090d0dd46535e;p=jquery.git

diff --git a/src/offset.js b/src/offset.js
index c472f98..b94faf3 100644
--- a/src/offset.js
+++ b/src/offset.js
@@ -1,8 +1,11 @@
 (function( jQuery ) {
 
+var rtable = /^t(?:able|d|h)$/i,
+	rroot = /^(?:body|html)$/i;
+
 if ( "getBoundingClientRect" in document.documentElement ) {
 	jQuery.fn.offset = function( options ) {
-		var elem = this[0];
+		var elem = this[0], box;
 
 		if ( options ) { 
 			return this.each(function( i ) {
@@ -18,10 +21,19 @@ if ( "getBoundingClientRect" in document.documentElement ) {
 			return jQuery.offset.bodyOffset( elem );
 		}
 
-		var box = elem.getBoundingClientRect(),
-			doc = elem.ownerDocument,
-			body = doc.body,
-			docElem = doc.documentElement,
+		try {
+			box = elem.getBoundingClientRect();
+		} catch(e) {}
+
+		var doc = elem.ownerDocument,
+			docElem = doc.documentElement;
+
+		// Make sure we're not dealing with a disconnected DOM node
+		if ( !box || !jQuery.contains( docElem, elem ) ) {
+			return box || { top: 0, left: 0 };
+		}
+
+		var body = doc.body,
 			win = getWindow(doc),
 			clientTop  = docElem.clientTop  || body.clientTop  || 0,
 			clientLeft = docElem.clientLeft || body.clientLeft || 0,
@@ -72,7 +84,7 @@ if ( "getBoundingClientRect" in document.documentElement ) {
 				top  += elem.offsetTop;
 				left += elem.offsetLeft;
 
-				if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && /^t(able|d|h)$/i.test(elem.nodeName)) ) {
+				if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && rtable.test(elem.nodeName)) ) {
 					top  += parseFloat( computedStyle.borderTopWidth  ) || 0;
 					left += parseFloat( computedStyle.borderLeftWidth ) || 0;
 				}
@@ -207,7 +219,7 @@ jQuery.fn.extend({
 
 		// Get correct offsets
 		offset       = this.offset(),
-		parentOffset = /^body|html$/i.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();
+		parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();
 
 		// Subtract element margins
 		// note: when an element has margin: auto the offsetLeft and marginLeft
@@ -229,7 +241,7 @@ jQuery.fn.extend({
 	offsetParent: function() {
 		return this.map(function() {
 			var offsetParent = this.offsetParent || document.body;
-			while ( offsetParent && (!/^body|html$/i.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
+			while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
 				offsetParent = offsetParent.offsetParent;
 			}
 			return offsetParent;
@@ -277,7 +289,7 @@ jQuery.each( ["Left", "Top"], function( i, name ) {
 });
 
 function getWindow( elem ) {
-	return ("scrollTo" in elem && elem.document) ?
+	return jQuery.isWindow( elem ) ?
 		elem :
 		elem.nodeType === 9 ?
 			elem.defaultView || elem.parentWindow :