on *:TEXT:!auto *:#: {
  if ($nick isop $chan && $2 == on ) {
    set %auto $2
  }
  if ($nick isop $chan && $2 == off ) {
    set %auto $2  
  }
}

on *:JOIN:#: {
  if (%auto == off ) { notice $nick Welcome to $chan $+ , $nick ~ to invite me to your channel type /invite iW1ll #YOURCHANNEL~ 
  }
  else mode $chan +v $nick | notice $nick Welcome to $chan $+ , $nick ~ to invite me to your channel type /invite iW1ll #YOURCHANNEL~
}