How to fade in a NetStream object in Flash AS3

var videoConnection:NetConnection = new NetConnection();
videoConnection.connect(null);
var videoStream:NetStream = new NetStream(videoConnection);
videoStream.play("Keys fallin.flv");
var metaListener:Object = new Object();
metaListener.onMetaData = onMetaData;
videoStream.client = metaListener;
var video:Video = new Video();
video.attachNetStream(videoStream);
addChild(video);
 
function onMetaData(data:Object):void
{
	play_btn.addEventListener(MouseEvent.MOUSE_OVER, resumeMovie);
	play_btn.addEventListener(MouseEvent.CLICK, playMovie);
	play_btn.addEventListener(MouseEvent.MOUSE_OUT, pauseMovie);
}
 
function playMovie(event:MouseEvent):void
{
	videoStream.play("Keys fallin.flv");
}
 
function stopMovie(event:MouseEvent):void
{
	videoStream.pause();
}
 
function pauseMovie(event:MouseEvent):void
{
	videoStream.pause();
}
 
function resumeMovie(event:MouseEvent):void
{
	videoStream.resume();
}