if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') {
            if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity)
                i.overflowY[0].scrollTop = scrolled = i.overflowY[0].scrollTop + o.scrollSpeed;
            if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity)
                i.overflowY[0].scrollTop = scrolled = i.overflowY[0].scrollTop - o.scrollSpeed;