if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {

            if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
                i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
            else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity)