AICN's chat can be accessed via any IRC client at server irc.chat-solutions.org, port 6667, channel name #aintitcool.com, or through the java applet above.
Make sure you select "yes" (or "accept") when the Dialog box appears. You will need Java to use this application, if you see a red "x", this probably means it is not installed on your PC. You can download it from Sun Microsystems' site.
Type /nick newname
to change your nickname. Example: /nick JoeBlow
Click on the "Channels" button to get a list of all the chatrooms on the network.
Type /join #channel
to join another channel. Example: /join #help