on *:TEXT:!mute*:#: { 
if ($nick isop $chan) {
.mode $chan +m 
.msg $chan 14 Only people with voice status or higher can talk: Set by $nick 
}
}

on *:TEXT:!unmute*:#: { 
if ($nick isop $chan) {
.mode $chan -m 
.msg $chan 14 Anyone can talk: Set by $nick
}
}