I'm pretty sure the chat is Java-based. iPads don't naturally support Java. There are some unofficial things floating around that say they will make java work on an iPad, but I've never tried any of them and its use-at-your-own-risk kind of stuff.
"As long as the child within is not allowed to become aware of what happened to him or her, a part of his or her emotional life will remain frozen . . . all appeals to love, solidarity, and compassion will be useless."
-- Alice Miller