I am trying to create a gallery that will load images off a database. this is what i have so far and its not working. i can supply files if necessary. i set up a msql database on my godaddy hosting plan.

Code:
<?xml version="1.0" encoding="utf-8"?>
<s:HGroup xmlns:s="library://ns.adobe.com/flex/spark"
		  xmlns:fx="http://ns.adobe.com/mxml/2009"
		  xmlns:mx="library://ns.adobe.com/flex/mx"
		  xmlns:components="components.*"
		  width="946" height="524">
	
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			
			import spark.events.IndexChangeEvent;
			import spark.events.RendererExistenceEvent;
			
			import valueObjects.ImageVO;
			import valueObjects.SectionVO;
			
			[Bindable]
			public var selectedSection:SectionVO;
			//public var selectedIndex:Number;
			public var sectionData:Array=new Array();
			public var xmlLoader:URLLoader=new URLLoader();
			
			protected var _data : Array;
			
			public function get dataProvider() : Array
			{
				return _data;	
			}
			
			public function set dataProvider( data : Array ) : void
			{
				_data = data;
				
				var split : Array;
				var section : SectionVO;
				for each( var item : String in _data )
				{
					split = item.split(":");
					section = new SectionVO();
					section.id = split[0];
					section.name = split[1];
					sectionData.push(section);
				}
				
				navList.dataProvider=new ArrayCollection(sectionData);
				navList.selectedIndex=0;
				selectedSection=sectionData[0];
				loadSection();
			}
			
			public function loadSection() : void
			{
				if( selectedSection.items.length > 0 )
				{
					setSelectedIndex(0);
					return;
				}
				
				var l : URLLoader = new URLLoader();
				l.addEventListener(Event.COMPLETE, sectionComplete);
				
				var rv: URLVariables = new URLVariables();
				rv.a = "list";
				rv.pid = selectedSection.id;
				
				var r : URLRequest = new URLRequest("http://benedictumdesigns.com/service/service.php");
				r.method = URLRequestMethod.POST;
				r.data = rv;
				l.load(r);
			}
			
			public function sectionComplete( event : Event ) : void
			{
				var image : ImageVO;
				var data : String = event.target.data;
				var imgList : Array = data.split(":");
				imgList.splice(0,1);
				
				for each (var item:String in imgList)
				{
					image= new ImageVO();
					image.thumb="http://benedictumdesigns.com/service/assets/" + item;
					image.image="http://benedictumdesigns.com/service/assets/" + item;
					selectedSection.items.addItem(image);
				}
				setSelectedIndex(0);
			}
			
			public function indexChangeHandler(event:IndexChangeEvent):void
			{
				selectedSection=sectionData[event.newIndex];
				loadSection();
			}
			
			public function handleThumbAdd(event:RendererExistenceEvent):void
			{
				event.renderer.addEventListener(MouseEvent.CLICK, handleThumbClick);
			}
			
			public function handleThumbClick(event:Event):void
			{
				var image:ImageVO=event.currentTarget.data as ImageVO;
				setSelectedIndex(selectedSection.items.getItemIndex(image));
			}
			
			public function setSelectedIndex(value:Number):void
			{
				if (value >= selectedSection.items.length)
				{
					value=0;
				}
				
				var selectedImage:ImageVO=selectedSection.items.getItemAt(value) as ImageVO;
				curImage.source = selectedImage.image;
			}
		]]>
	</fx:Script>
	
	<s:List id="navList" width="126" height="500" allowMultipleSelection="false"
			borderVisible="false" change="indexChangeHandler(event)"
			itemRenderer="components.GalleryButtonRenderer"/>
	
	<s:VGroup>
		<s:HGroup verticalAlign="middle" horizontalAlign="center" height="396" width="800">
			<s:Image id="curImage" maxHeight="500" maxWidth="800"/>
		</s:HGroup>
		
		<s:DataGroup id="thumbList"
					 itemRenderer="components.ThumbRenderer"
					 dataProvider="{selectedSection.items}"
					 rendererAdd="handleThumbAdd(event)"
					 height="120"
					 width="800">
			<s:layout>
				<s:TileLayout horizontalGap="8"
							  verticalGap="8"/>
			</s:layout>
		</s:DataGroup>
	</s:VGroup>
</s:HGroup>