On join chamodes radioactive

on *:join:#channel {
  if (!$istok($bothelpers,$nick,44)) {
    .notice $nick NOTICE HERE
  }
  if ($nick == $me) {
    mode $me +p
  }
  .timerchanmodes $+ $chan -m 1 500 chanmodes $chan
}
alias chanmodes {
if ($me isop $1) {
    mode $1 +s
    topic $1 TOPIC HERE
  }
}