Load bar

Hello,

how do I get a load bar and text block to work with the following code…

var request:URLRequest = new URLRequest("slideY_A2.swf");
var loader:Loader = new Loader();

loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, loadProgress);
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);

function loadProgress(event:ProgressEvent):void {
    var percentLoaded:Number = event.bytesLoaded/event.bytesTotal;
    percentLoaded = Math.round(percentLoaded * 100);
    trace("Loading: "+percentLoaded+"%");
}
function loadComplete(event:Event):void {
    trace("Complete");
}

loader.load(request);
addChild(loader);

I am so lost now, help!