[D12]

package
{
    import flash.net.navigateToURL;
    import flash.net.URLRequest;
    import flash.display.Sprite;
    import flash.display.Stage;
    import flash.events.MouseEvent;
 
/*____________________________________________________*/
    public class Test extends Sprite
    {
        public function Test()
	{
	    mouseDownGoUrl();
        }
 
 
        private function mouseDownGoUrl(): void
        {
            stage.addEventListener(MouseEvent.MOUSE_DOWN, onClickStage);
        }
 
 
        public function onClickStage(event:MouseEvent): void
	{
            navigateToURL(new URLRequest('http://www.google.com'),"_self");
        }
    }
}

Ну где то так