Javascript on click go to other div

currently, i have a comment box, where user can comment, however when too many comment on it, the page stretches down. so when user press comment, the box appear, however user have to scroll down to comment.

how do i achieve when开发者_如何学Python user click comment box, page slide down to comment box or straight go to comment box?

i;m using jquery..

---

What if you give the comment box the id="comment-box" attribute and just use a link h href="#comment-box" on a link that say 'go to comment box'?