replaceByBitmap

/**
 * Makes a bitmap copy of an image clip and 
 * rewrites it with the same name, depth, position.
 *
 * @param	target 		The movie clip to replace.
 * @param	transparent	Specifies whether the bitmap image supports per-pixel transparency.
 * @param	fillColor	A 32-bit ARGB color value that you use to fill the bitmap image area.
 */
function replaceByBitmap(target:MovieClip, transparent:Boolean, fillColor:Number):Void {
	import flash.display.BitmapData;
	var ox:Number = target._x;
	var oy:Number = target._y;
	if(transparent && fillColor){
		var bm:BitmapData = new BitmapData(target._width, target._height, true, 0x00FFFFFF);
	}else{
		var bm:BitmapData = new BitmapData(target._width, target._height);
	}
	bm.draw(target);
	var copy_mc:MovieClip = target._parent.createEmptyMovieClip(target._name, target.getDepth());
	copy_mc.attachBitmap(bm, 0, "never", true);
	copy_mc._x = ox;
	copy_mc._y = oy;
}