//1. 

  var my_req:URLRequest = new URLRequest("external_text.txt"); 

  var my_loader:URLLoader = new URLLoader(); 

 

  //2. 

  my_loader.addEventListener(Event.COMPLETE, loadText); 

  my_loader.load(my_req); 

 

  //3. 

  function loadText(event:Event):void{ 

  my_txt.text = my_loader.data; 

  }

my_loader.load(my_req);

public class TimerExample extends Sprite {

 

    public function TimerExample() {

        var myTimer:Timer = new Timer(1000, 2);

        myTimer.addEventListener(TimerEvent.TIMER, timerHandler);

        myTimer.start();

    }

    public function timerHandler(event:TimerEvent):void {

        trace("timerHandler: " + event);

    }

}