In the list of SNs present in the chat window, an
'away' or 'idle' icon should show up next to each
user's name where it applies. This could be done
partially, by synching with the status of SNs already
on a buddy list.
It could be done fully either by creating a temporary
buddy group of SNs not already on the buddy list.
It could also be done (in a less accurate manner) by
periodically polling each ScreenName in the chat for