heres for nicklist

menu nicklist {
  .MUTE $+($chr(40),$1,$chr(41)):{
    var %mute.min $$?"Please Enter Minutes", %mute.reason $$?"Please Enter A Reason" 
    msg $chan $+($1,$chr(44)) you have been (Muted) silenced for %mute.min $iif(%mute.min > 1,minutes,minute) Reason: %mute.reason :Take this as a warning:
    mode $chan +b ~q: $+ $address($1,2)
    .timer 1 $calc(%mute.min * 60) mode $chan -b ~q: $+ $address($1,2)
  }
}

and here's for an alias

alias mute {
  var %mute.min $2, %mute.reason $3-
  if (!%mute.min || !%mute.reason) { echo $color(info) -a * $iif(!$1,Error Please enter a nick to mute,$iif(!%mute.min,Error Please enter number of minutes,$iif(!%mute.reason,Error Please enter a reason,)))  }
  else {
    msg $chan $+($1,$chr(44)) you have been (Muted) silenced for %mute.min $iif(%mute.min > 1,minutes,minute) Reason: %mute.reason :Take this as a warning:
    mode $chan +b ~q: $+ $address($1,2)
    .timer 1 $calc(%mute.min * 60) mode $chan -b ~q: $+ $address($1,2)
  }
}

eh im bored =/