(BIM41) Chatbox [4.1.X] 1.2.0

This is very simple chat system with the basic features:
Ajax chat, auto update.
Display as IPS widgets, so you can place it in sidebar or top page.
Sound notification. User can toggle on/off.
Block users.
Announcement (on Top or Tab).
Support emoticons, URL, Image URL (gif, png, jpg)
@mention by clicking on usernames.
Flood control.
Time format.
Display newer messages in top or bottom.
Permissions for viewing, chatting & management.
Edit/Delete messages.