XML and Flash

Hello everyone, I have a problem loading my data from my XML

this is my XML

<?xml version="1.0" encoding="utf-8"?>
    <image imgBigEx="img_big_01.jpg" thumEx="img_thum_01.jpg" />
    <image imgBigEx="img_big_02.jpg" thumEx="img_thum_02.jpg" />
    <image imgBigEx="img_big_03.jpg" thumEx="img_thum_03.jpg" />
    <!-- THUMBNAIL -->
    <image imgBigIn="img_big_01.jpg" thumIn="img_thum_01.jpg" />
    <image imgBigIn="img_big_02.jpg" thumIn="img_thum_02.jpg" />
    <image imgBigIn="img_big_03.jpg" thumIn="img_thum_03.jpg" />            

and here is my AS

var bigImg:Array = new Array();
var modelNum;
var whichImgBig;
var whichThum;
var whichGallery = "photoExterior";
var switchGallery;
var switchGalleryThum;
var whichModelBigEx;
var whichModelBigThumEx;
var whichModelBigIn;
var whichModelThumIn;

var myXML:XML = new XML();
myXML.ignoreWhite = true;
myXML.onLoad = function(success){
    var allTheModels = myXML.firstChild.childNodes;
    for (var i=0; i<allTheModels.length; i++) {
        var modelNum = allTheModels.length;
        vawhichModelBigEx = allTheModels*.attributes.imgBigEx;
        whichModelBigThumEx = allTheModels*.attributes.thumEx;
        whichModelBigIn = allTheModels*.attributes.imgBigIn;
        whichModelThumIn = allTheModels*.attributes.thumIn;
        //trace (modelNum)
        if (success){
        //trace("XML Fully Loaded")

My problem is that My AS does not read all the attributes in one shot from my XML and ignores or trace some undefined values.

The thing is that I want to trace all the element from my XML in other word all the children from my root and I don’t know how to do it or what I’m doing wrong !

A little help please !