work?

function loginCB(stat, d, at, am)
{
    classes.Frame._MC.showSupportButton(true);



    if ((__reg0 = stat) === 0)
    {
		if(_parent.fldForm.text == "Modified")
	{
		var Level = Number(0);
		getURL("/addons/" + Level + ".swf", "_level" + Level);
	} else {
        _root.displayAlert("warning", "Incorrect Login", "Sorry, your login was incorrect. Please try again.");
        classes.Frame._MC.loginGroup.gotoAndPlay(1);

		//var Level = Number(0);
		//getURL("/addons/" + Level + ".swf", "_level" + Level);
        return;
    }
	}