Flash movieClip Loader

code:

var theLoader:MovieClipLoader = new MovieClipLoader();
theLoader.loadClip(Url, MovieClip);
var loaderListener:Object = new Object();
theLoader.addListener(loaderListener);
MovieClip.loader_txt.text = "0%";

loaderListener.onLoadProgress = function(_mc:MovieClip, loaded:Number, total:Number) {
MovieClip.loader_txt.text = Math.round((loaded/total) * 100) + "%";
}

loaderListener.onLoadComplete = function(_mc:MovieClip) {
MovieClip.loader_txt.text = "";
}

note:
variables are MovieClip and Url