Someone

on $*:text:/^[!@.]idle/Si:#gu3ss: {
  if ($Eval($+(%,nick,.,idle),2) != $null) { /notice $nick You are already idling. }
  else { 
    set $+(%,$nick,.,idle) 1
    mode $chan -a $nick
    mode $chan -o $nick
    mode $chan -h $nick
    mode $chan -v $nick
    /notice $chan $nick is now idle.
} }
on *:notice:Idle awake:?: {
  if ($Eval($+(%,$nick,.,idle),2) != $null) { 
    /mode #gu3ss +v $nick
    /notice #gu3ss $nick is no londer idle 
unset $+(%,$nick,.,idle)
  }
  else { /notice $nick You are not idle. }
} }