It's not a scrollbar, it's just a fake placeholder I made until I can get around to writing a scrollbar, lol!
The up/down/bottom arrows work, though.
In the most recent versions, I've simply disabled my chat module if Prat is loaded, to avoid incompabilities. In the future I'll look into getting it to work seemlessly with Prat, so we can get both Prat, and the look of my UI. It's not on top of my priority list, though. Gonna actually finish the UI first!