The page is auto scrolling, I amn't doing the scrolling. You can see a demo here - pQbO8x6uwi8. wiki doesn't let me post a youtube video, that is the ID of the video.
Topic on Talk:Content translation
Thne CXT is a translation tool only. Change, modify and expand the article before translating it or later edit both articles. If the CXT scolls anyway, move to mouse out of the window after positioning the cursor.