I can't be bothered to find out how to open a bug report, so I'll just
put it here. Maybe somone cares.
cumulativeOffset ignores borders of parent elements, which is wrong.
It was hard to find any information because ALL implementations I
found were wrong but one. (Astonishing, it's very basic.)
cumulativeOffset should read something like this:
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
+ valueT += Element.getStyle(element, 'borderTopWidth') || 0;
+ valueL += Element.getStyle(element, 'borderLeftWidth') || 0;
element = element.offsetParent;
} while (element);
return [valueL, valueT];
},
Sorry, untestet.
Cheers,
Searle
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