I checked the back room.

Teddy Lupin. Post Count 42 (as of Feb 23).
Time zone GMT-6:00, Central Time. Joined July 24, 2007
Receive private messages -- yes.

But it doesn't have a place that says whether Chatbox is displayed or not.

Anyway, Teddy, Go to "Edit Options," then "Edit Options."
Scroll down to the ChatBox Options and it says "Display Chatbox" yes or no.