SWF as Scaleable Background

programming flash
1

Im currently doing a Flash website, which required an animated background (The background is a few images rotating). The background needs to automatically scale according to the background window.

I have been able to do this with a .JPG by using the following code

import mx.transitions.Tween;import mx.transitions.easing.*;


var stageListener:Object=new Object();
stageListener.onResize=function(){
	position();
};
 
Stage.align="TL";
Stage.scaleMode="noScale";
Stage.addListener(stageListener);
 
 
function position() {
	// Find new value of stage size
	var W:Number = Stage.width;
	var H:Number = Stage.height;
	// Find center of stage  
	var centerX:Number = W/2;
	var centerY:Number = H/2;
	background_mc._x = centerX;
	background_mc._y = centerY;
	background_mc.target_mc._x = -_global.BGW/2;
	background_mc.target_mc._y = -_global.BGH/2;
	content_mc._x = centerX;
	content_mc._y = centerY;
	var imageRatio:Number;
	var imageXRatio = W/_global.BGW;
	var imageYRatio = H/_global.BGH;
	if (imageXRatio>imageYRatio) {
		imageRatio = imageXRatio;
	} else {
		imageRatio = imageYRatio;
	}
	// Make the bg image go fullscreen
	background_mc._xscale = background_mc._yscale=imageRatio*100;
}
 
// Function for smoothing resizable bitmaps
function smoothImageLoad(imgURL, targetMovie) {
	var i = 0;
	do {
		i++;
	} while (eval("_root.smoothImageLoadTemp"+i) != undefined);
	tmc = targetMovie.createEmptyMovieClip("smoothImageLoadTemp"+i, targetMovie.getNextHighestDepth());
	tmc.createEmptyMovieClip("ti",tmc.getNextHighestDepth());
	tmc.tm = targetMovie;
	with (tmc) {
		tmcl = new MovieClipLoader();
		tmcl.onLoadComplete = function() {
			var fadeBG:Tween = new Tween(targetMovie, "_alpha", None.easeOut, 0, 100, 1, true);
			ti.onEnterFrame = function() {
				pixelData = new flash.display.BitmapData(ti._width, ti._height);
				_global.BGW = ti._width;
				_global.BGH = ti._height;
				pixelData.draw(ti);
				tm.attachBitmap(pixelData,1,true,true);
				tm.smoothImageLoadComplete();
				_parent._parent._parent.position();
				removeMovieClip(ti._parent);
			};
		};
		tmcl.loadClip(imgURL,tmc.ti);
	}
}
smoothImageLoad("image.jpg",background_mc.target_mc);

I would want to do this with an SWF instead.
But simply changing the “image.jpg” to “imagerotator.swf”, doesn’t work.

Thanks in advance!