IRC and WebChat Help

I am wanting to use IRC and Webchat. But I have been getting an error. This pops up after I click IRC on the top of the forum :

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And when I click Webchat nothing happens... Btw I am useing Firefox 3.0.1. Thanks

Get an IRC chat program for windows and try again.

Download chatzilla, A firefox addon. Google it.

Download mirc.
mIRC - Free software downloads and reviews - CNET Download.com<-----Download that.