About This File
This is a shoutbox widget that you can add in any of the available widget positions.

Options:

Shoutbox refresh interval - Allows you to set refresh interval for new messages. This option can be disabled.
Maximum shout length - Set the maximum allows shout length.
Shout display limit - Set the maximum number of shouts to display on page load.
Delete shouts older than - Allows you to auto-delete shouts older than x days.
Auto prune shoutbox every x hours.
Auto prune message.
Enable sound - Enable sound notification for new shouts.
Enable avatars - Display user avatar in shout.
Allow BB codes - Controlls if BB codes are parsed or not.
Footer - Allows you to add custom content (text, ads, etc) in the shoutbox footer.
It has user group permissions for using shoutbox, editing/deleting shouts, prune shoutbox (/prune)
When scrolling at the bottom of the shouts, older shouts will be automatically loaded.

I don't plan to add new features to this add-on. If you want a feature rich chat application, then please see my Chat 2 add-on (coming soon).