This is what i use, and it should work.

Code:
on 1:START:{ 
  /server us.quakenet.org 
 } 
on *:CONNECT: { 
 if (.quakenet.org isin $server) { 
  /authserv auth user password 
  /mode $me +x 
  /join #channel 
  /join #channel key
}


multi server > http://www.quiglag.com/irc/join.html