loader 된 이미지에 Name 값 추출

for(var i:uint = 0; i<5; i++){
     var ldr:Loader = new Loader();

     ldr.load(new URLRequest("img"+i+".jpg"));
     ldr.name = "mc" + i ;
     ldr.contentLoaderInfo.addEventListener(Event.COMPLETE, ldrComplete);
}

function ldrConplete (e:Event):void{
     var n:int = e.target.loader.name.substr(2);
     trace(n);
}