Fun XML...

Hi, I would really like some help with this code which has given me a HUGE headache...
This is my xml structure.

Code:

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<gallery name="UK">
            <picture>
                <pictureName>Picture One</pictureName>
                <pictureURL>pictures/1.jpg</pictureURL>
                <pictureDesc>Taken In France</pictureDesc>
            </picture>
</gallery>
<gallery name="France">
      <picture>
          <pictureName>Picture One</pictureName>
          <pictureURL>pictures/1.jpg</pictureURL>
          <pictureDesc>Taken In France</pictureDesc>
    </picture>
</gallery>
<gallery name="Africa">
    <picture>
        <pictureName>Picture One</pictureName>
        <pictureURL>pictures/1.jpg</pictureURL>
        <pictureDesc>Taken In France</pictureDesc>
    </picture>
</gallery>

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THis is the structure at the moment but if it needs to change it can...
So, in flash i need to see how many galleries there are, i can do this.
I then need to create mc and add them to the stage with the text field insside of them saying what the gallery is called (the attribute) that bit i can also do. The problem then is i need to be able to click the button of the gallery and it loads all of the picture URLs for that gallery but i cant work out how to do that....
This is my flash code at the moment.

Code:

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public function galleryNames():void
        {
            for each (var gallery:XML in xml.gallery)
            {
                var galleryArray:Array = createGallery(gallery);
               
                for (var i = 0; i<galleryArray.length; i++)
                {
                    galleryHolder_mc.in_mc.addChild(galleryArray[i]);
                    galleryArray[i].x = 0;
                    galleryArray[i].y = galleryTotal;
                    galleryTotal += galleryTotal2;
                    galleryTotal2 = 0;
                    trace(galleryArray);
                }

            }
            TweenLite.to(galleryHolder_mc.in_mc, 0.8, {x: 0, ease:Quart.easeOut, overwrite:false});
        }
       
        private function createGallery(menu:XML):Array
        {
            var galleryArrays:Array = new Array();
           
            var galleryItem:emptyGallery = new emptyGallery();
            galleryItem.mouseChildren = false;
            galleryItem.buttonMode = true;
            galleryItem.in_mc.txt_txt.text = menu. @ name;
            galleryTotal2 = (galleryItem.height + 5);
            galleryArrays.push(galleryItem);
            galleryItem.name = menu. @ name;
            galleryItem.addEventListener(MouseEvent.CLICK, galleryClick);
            return galleryArrays;
        }
       
        public function galleryClick(e:MouseEvent):void
        {
            clickedGallery = e.target.name;
            TweenLite.to(thumbNames_mc.in_mc, 0.8, {x: 0, ease:Quart.easeOut, overwrite:false});
            TweenLite.to(backPic_mc.in_mc, 1.4, {x:0, ease:Quart.easeOut, overwrite:false});
        }

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Thanks for your time - please help! =-)

Chris