How to link "reply" in adv profile guestbook to profile guestbook of the poster ?

Currently the "reply" link in guestbook comment in userprofile leads to a post in the same page - it is expected behavior in profile comments that
either the reply link should lead to comment form in the profile page of the user who made the comment
or it will open a reply/comment box ) ajax in the same page but the reply gets deposited in the profile comments of the user who made the comment.

How to link "reply" in adv profile guestbook to profile guestbook of the poster ?