With this script you can select up to 10 people (otherwise you'll flood) to send a message to.
You can choose to send the message by /msg, /notice, both or both + a highlight in the channel.
Also check out my DICE-game: http://www.hawkee.com/snippet/5690/

Enjoy!

;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;;;;;;
;:;:[ MULTIPLE ];:[ made by  ]:;:;[ select up to 10 (flood) people ];:;:
;:;:[ MESSAGE  ];:[ koekbliq ]:;:;[ to send a msg, notice or both  ];:;:
;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;:;;;;;;

menu channel,nicklist {
  -
  [multiMSG]: multiMSG
  -
}

alias multiMSG {
  [multiMSG]: {
    set %msg1 $?="Message:"
    if (%msg1 == $null) {
      echo (multiMSG) ERROR: please type a message.
      unset %msg1
      halt
    }
    else {
      var %nbr = $snick($chan,0)
      var %i = 1
      while (%i <= %nbr) {
        var %nicks = %nicks $+ $snick($chan,%i) $+ $chr(44) 
        inc %i
      }
      set %method $?="Type 1 for /msg, 2 for /notice, 3 for both & 4 for both + highlight in channel:"
      if (%method == 1) && (%nicks != $null) {
        msg %nicks %msg1 (multiMSG)        
        echo   | echo (multiMSG)  Done, " $+ %msg1 $+ " sent to: %nicks | echo   
        unset %msg1 %nicks %method
      }
      elseif (%method == 2) && (%nicks != $null) {
        notice %nicks %msg1 (multiMSG)
        echo   | echo (multiMSG)  Done, " $+ %msg1 $+ " sent to: %nicks | echo   
        unset %msg1 %nicks %method
      }
      elseif (%method == 3) && (%nicks != $null) {
        msg %nicks %msg1 (multiMSG)
        notice %nicks %msg1 (multiMSG)        
        echo   | echo (multiMSG)  Done, " $+ %msg1  $+ " sent to: %nicks | echo   
        unset %msg1 %nicks %method
      }
      elseif (%method == 4) && (%nicks != $null) {
        msg %nicks %msg1 (multiMSG)
        notice %nicks %msg1 (multiMSG) 
        msg $active %nicks (multiMSG)
        echo   | echo (multiMSG)  Done, " $+ %msg1  $+ " sent to: %nicks | echo   
        unset %msg1 %nicks %method
      }
      elseif (%nicks == $null) {
        unset %msg1 %method
        echo (multiMSG) ERROR: select someone from the nicklist.
        halt
      }
      else {
        unset %msg1 %nicks
        echo (multiMSG) ERROR: type 1 for /msg, 2 for /notice, 3 for both & 4 for both + highlight in channel.
        halt
      }
    }
  }
}