var xmlPath:String = "index.xml";

var settingsXML:XML;

var tweensArray:Array = new Array();

var buttonTween:Tween;

var loader = new URLLoader();
loader.load (new URLRequest(xmlPath));
loader.addEventListener (Event.COMPLETE, xmlLoaded);

stage.addEventListener(Event.RESIZE,resized);

function xmlLoaded (e:Event):void
{
if ((e.target as URLLoader) != null )
{
settingsXML = new XML(loader.data);
createMenu ();
}
}

function createMenu ():void
{
var but:butMC;

var i:uint = 0;

i++;

for each (var mI:XML in settingsXML.menuitem)
{

var stageW:Number = stage.stageWidth;
var stageH:Number = stage.stageHeight;

var nameTxt:String = mI.name.toString();

var pageMC:String = mI.mov.toString();

var pageLdr:Loader = new Loader();
var pageURL:String = pageMC;
var pageURLReq:URLRequest = new URLRequest(pageURL);
pageLdr.load(pageURLReq);

var xmlPath:String = "artists.xml";
var settingsXML:XML;

var tweensArray:Array = new Array();

var buttonTween:Tween;


var xPlacement:int = 0;
var yPlacement:int = 0;

var loader = new URLLoader();
loader.load (new URLRequest(xmlPath));
loader.addEventListener (Event.COMPLETE, xmlLoaded);

function xmlLoaded (e:Event):void
{
if ((e.target as URLLoader) != null )
{
settingsXML = new XML(loader.data);
createMenu ();
}
}

function createMenu ():void
{
var but:butMC;

var i:Number = 0;

i++;

for each (var mI:XML in settingsXML.menuitem)
{

var stageX:Number = stage.stageWidth;
var stageY:Number = stage.stageHeight;

var nameTxt:String = mI.name.toString();

TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at artists_fla::MainTimeline/createMenu()
    at artists_fla::MainTimeline/xmlLoaded()
    at flash.events::EventDispatcher/dispatchEventFunction()
    at flash.events::EventDispatcher/dispatchEvent()
    at flash.net::URLLoader/onComplete()