Geolocation  - AS3

package
{
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.GeolocationEvent;
    import flash.events.MouseEvent;
    import flash.events.StatusEvent;
    import flash.sensors.Geolocation;
    import flash.text.TextField;
    import flash.text.TextFormat;
    
    public class GeolocationTest extends Sprite
    {
        
        private var geo:Geolocation; 
        private var log:TextField;
        
        public function GeolocationTest()
        {            
            super();
            stage.align = StageAlign.TOP_LEFT;
            stage.scaleMode = StageScaleMode.NO_SCALE;
            setUpTextField();
            
            if (Geolocation.isSupported) 
            { 
                geo = new Geolocation(); 
                if (!geo.muted) 
                { 
                    geo.addEventListener(GeolocationEvent.UPDATE, geoUpdateHandler); 
                } 
                geo.addEventListener(StatusEvent.STATUS, geoStatusHandler);
            } 
            else 
            { 
                log.text = "Geolocation not supported"; 
            } 
        }
        
        public function geoUpdateHandler(event:GeolocationEvent):void 
        { 
            log.text = "latitude : " + event.latitude.toString() + "\n"; 
            log.appendText("longitude : " + event.longitude.toString() + "\n");
        } 
        
        public function geoStatusHandler(event:StatusEvent):void 
        { 
            if (geo.muted)
                geo.removeEventListener(GeolocationEvent.UPDATE, geoUpdateHandler);
            else
                geo.addEventListener(GeolocationEvent.UPDATE, geoUpdateHandler);
        }
        
        private function setUpTextField():void
        {
            log = new TextField();
            var format:TextFormat = new TextFormat("_sans", 24);
            log.defaultTextFormat = format;
            log.border = true;
            log.wordWrap = true;
            log.multiline = true;
            log.x = 10;
            log.y = 10;
            log.height = stage.stageHeight - 20;
            log.width = stage.stageWidth - 20;
            log.addEventListener(MouseEvent.CLICK, clearLog);
            addChild(log);
        }
        private function clearLog(event:MouseEvent):void
        {
            log.text = "";
        }
    }
}