How to load external image in as3

Code :-

var salads_btn:MovieClip = new MovieClip();
addChild(salads_btn);

salads_btn.x = 100;
salads_btn.y = 100;

var salads_btn_loader = new Loader();
salads_btn_loader.load(new URLRequest("coffeeitems1.GIF"));
salads_btn.addChild(salads_btn_loader);

Out put :-