Using simple interface techniques, you can hover the chat from simple input and output windows over your map, to create the illusion of chatting on an MMORPG.
Version 2 is a much better working version of the demo. I've solved the problems of being unable to move while chatting, being able to move the backdrop, and being able to move the main window. I've also rewritten everything so that it's hopefully easier to understand.
Version 3 is version 2, apparently I never updated the files.