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