sorry but for add another sever don't work its log me with username of 1st server:

on *:START:{
server irc.example.com +6697
server -m irc.example2.com +7000
}

on *:CONNECT: {
if ($network == Engine) {
nick username
msg NickServ IDENTIFY password
join #Cars,#Fast,#Help......
}
}
if ($network == Earth) {
nick username
msg NickServ IDENTIFY password
join #Planet,......
}
}

tried with "if" and "elseif" but don'work, on second network log me with username of 1st newtwork