//var arr:Array = ["A" , "B" , "C" , "D"];
//라벨에 붙인 이름을 모를때
var arr:Array = _mc.currentLabels;
trace(arr);
for(var i:int =0; i<4; i++){
_mc["btn"+i].addEventListener(MouseEvent.CLICK, onGo);
}
function onGo(e:MouseEvent):void{
//trace(e.currentTarget.name.charAt(3));
var myLabel:String = e.currentTarget.name.charAt(3);
//_mc.gotoAndStop(arr[myLabel]);
_mc.gotoAndStop(arr[myLabel].name);
}