[Nirth]

function attachMovie(movie:DisplayObject, container:DisplayObjectContainer, init:Object = null):DisplayObject
{
        var result:DisplayObject = container.addChild(movie);
 
	if(init)
        {
		for(var propertyName:String in init)
                {
                        try
                        {
			        result[propertyName] = init[propertyName];
                        }
                        catch(e:Error)
                        {
                                trace('You Bloody Moron, there is no such property, motherfucker!');
                        }
                 }
        }	
	return result;
}

И вот еще тебе createEmptyDisplayObject

function createEmptyDisplayObject(container:DisplayObjectContainer, generator:Class = null):DisplayObject
{
    if(generator == null)
        generator = flash.display.Sprite;
    return container.addChild(new generator());
}