use the click and see method...lol. actually the only buttons you can use are under Nickserv and Memoserv (i think). Really, the only buttons you need are:
Register - to register you nickname and keep others from using it and
Identify - to identify you as the owner of a nickname using the password you created when you registered your nickname.

They are pretty self explanatory, but when you're in chat, just ask someone there and they'll tell you.

__________________
"I am so smart! S-M-R-T!" - Homer Simpson

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~I love Nikki~