Require passkey to enter chatrooms.

I know there's some meta-programming in here ands its :-1: but i don't see a way around it. Let me know if there is!
These 2 now reflect each other. I thought javascript uses sort of camelCase, are the variables on `window` always caps? I tried to make it `PASSKEY-PROMPT` but it was error-ing, so i went with the `_` seperator instead.