Switch

for(var i:uint = 0; i<5; i++){
   var mc:MovieClip = new MovieClip();
   mc.addEventListener(MouseEvent.CLICK, mouseHandler);
   mc.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);
   mc.addEventListener(MouseEvent.ROLL_OUT, mouseHandler);
}

function mouseHandler(e:MouseEvent):void{
   switch(e.type){
      case "rollOver" : [실행];
      break;
      case "rollOut" : [실행];
      break;
      case "click" : [실행];
      break;
   }
}