I added a link to the IRC channel. Just click it, type a nickname and you're in It uses Mibbit.com IRC client that works directly in your browser. And the best thing: no Java, no Flash.
For others, here is a link that works if you've installed mIRC or some other client that is able to use IRC urls:
irc://irc.irchighway.net/maayasakamoto
Mibbit IRC link
Mibbit IRC link
Now stuck in programming JavaScript