element position differ due to scrollbar

[kuldeep]

hi frds,
I have div in my code with the help javascript i cover that portion
black shaded background on loading. but if i scroll my page it wont
get exect position. it come different place.so any one why this
happening.

[Maarten]

Hi,

I have no experience with this, but I would give getScrollOffsets a
try:

window.scrollTo(0, 120);
document.viewport.getScrollOffsets();
//-> { left: 0, top: 120 }

See http://www.prototypejs.org/api/document/viewport/getscrolloffsets.