Динамическая загрузка кадров

var countImages:uint=4;
var loadedImages:int = 0;
var currentImage:Number = 0;
 
var imageURLs = new Array();
var imageHolders = new Array();
 
var imageWidth:Number = 833;
var imageHeight:Number = 351;
 
for (var k:uint=1;k<countImages+1;k++)
{
    imageURLs.push(k + ".png");
}
 
loadImage();
 
function loadImage():void 
{
    var loader:Loader = new Loader();
    var urlRequest:URLRequest = new URLRequest(imageURLs[0]);
 
    loader.load(urlRequest);
    loader.contentLoaderInfo.addEventListener(Event.COMPLETE, imageLoaded);
 
    imageURLs.splice(0,1);
}
 
 
function imageLoaded(e:Event):void 
{
    var image:Bitmap = (Bitmap)(e.target.content);
    imageHolders.push(image);
    Scr.addChildAt(imageHolders[loadedImages], loadedImages);
    loadedImages++;
    
    if (loadedImages == 1)
    {
        setInterval(playAnimation, 5000);
    }
    
    if (imageURLs.length > 0) 
    {
        loadImage();
    }
}
 
function playAnimation()
{
    if (++currentImage > 3)
        currentImage = 0;
    Scr.addChild(imageHolders[currentImage]);
    trace("Interval called\n");
}