To use these links you need Java installed and you need to allow the java applit.
Please do not abbuse the service.
For Freenodes chat.freenode.net service #dreamhost #habari and #wordpress
For irc.borknet.net for #alt-f4 #wireless #borknet
All of those connect to there respective channels and they can all join channels that are on those servers.
Please report any problems to admin (at) alt-f4.co.uk