AS3 与handle交互通信

function onClick(evt:MouseEvent):void
{
    if (evt.target.name == "closeBtn")
    {
        evt.target.parent.gotoAndStop("close");
    }
    else if (evt.target.name=="addour")
    {/*
        if (mailAuth() && telAuth() && repwdAuth() && numAuth() && nameAuth())
        {*/
        var loader:URLLoader = new URLLoader();

        var url:URLRequest = new URLRequest("http://localhost/Handler.ashx");
        url.method = URLRequestMethod.POST;
        var values:URLVariables = new URLVariables();
        values.message = nametxt.text + "&" + pwdtxt.text;
        url.data = values;
        loader.dataFormat = URLLoaderDataFormat.VARIABLES;
        loader.addEventListener(Event.COMPLETE,success);
        function success(e:Event):void
        {

            var l:URLLoader = e.target as URLLoader;
            var a:*=l.data;

           

            //mailtxt.text=e.currentTarget.data;
        }
        loader.load(url);

    }//}
}