erc config in .emacs

erc.el

;; ERC
(erc-autojoin-mode t)
(setq erc-save-buffer-on-part nil
      erc-save-queries-on-quit nil
      erc-log-write-after-send t
      erc-log-write-after-insert t
      erc-echo-notices-in-minibuffer-flag t
      erc-log-channels-directory "~/.erc/logs/"
      erc-autojoin-channels-alist '(("freenode.net" "#lisp")
				    ("wnpt.brlcloud.com" "#brl")))

(defun erc-start-or-switch ()
  "Connect to ERC, or switch to last active buffer"
  (interactive)
  (if (and (get-buffer "irc.freenode.net:6667")
	   (get-buffer "wnpt.brlcloud.com:6667")) 
      (erc-track-switch-buffer 1)  
    (when (y-or-n-p "Start ERC? ") 
      (erc :server "irc.freenode.net"  :port 6667 :nick "arademaker"
	   :full-name user-full-name)
      (erc :server "wnpt.brlcloud.com" :port 6667 :nick "arademaker"
	   :full-name user-full-name))))