fix the long standing 2px offset issue in QuirksMode in IE

diff --git a/src/offset.js b/src/offset.js
index 479f106..5c600cc 100644 (file)
--- a/src/offset.js
+++ b/src/offset.js
@@ -2,9 +2,10 @@ if ( document.documentElement["getBoundingClientRect"] )
        jQuery.fn.offset = function() {
                if ( !this[0] ) return { top: 0, left: 0 };
                if ( this[0] === this[0].ownerDocument.body ) return jQuery.offset.bodyOffset( this[0] );
-               var box  = this[0].getBoundingClientRect(), doc = this[0].ownerDocument, docElem = doc.documentElement,
-                       top  = box.top  + (self.pageYOffset || jQuery.boxModel && docElem.scrollTop  || doc.body.scrollTop ) - docElem.clientTop,
-                       left = box.left + (self.pageXOffset || jQuery.boxModel && docElem.scrollLeft || doc.body.scrollLeft) - docElem.clientLeft;
+               var box  = this[0].getBoundingClientRect(), doc = this[0].ownerDocument, body = doc.body, docElem = doc.documentElement,
+                       clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
+                       top  = box.top  + (self.pageYOffset || jQuery.boxModel && docElem.scrollTop  || body.scrollTop ) - clientTop,
+                       left = box.left + (self.pageXOffset || jQuery.boxModel && docElem.scrollLeft || body.scrollLeft) - clientLeft;
                return { top: top, left: left };
        };
 else