AS3 XML slideshow not able to loop through xml

With the following AS3, and the following XML how do I update the xml to load in the next sequence of nodes?

Any help is better than none, so Thanks!

AS3:
import com.flashotaku.slideshow.events.SlideshowEvent;
import flash.utils.Timer;
import flash.events.TimerEvent;
stop();
import fl.transitions.Tween;
import fl.transitions.easing.;
import fl.transitions.TweenEvent;
import gs.
;

var myTimer:Timer = new Timer(5000);
var xmlLoader:URLLoader = new URLLoader();
var xmlData:XML = new XML();
xmlLoader.addEventListener(Event.COMPLETE, LoadXML);
xmlLoader.load(new URLRequest(“content.xml”));
function LoadXML(e:Event):void {
trace(“LoadXML”);
xmlData = new XML(e.target.data);
ParseContent(xmlData);
}
function ParseContent(contentInput:XML):void {
trace(“ParseContent”);
txtBox_mc.EventHeader.htmlText = contentInput.callout.EventHeader;
txtBox_mc.EventDate.htmlText = contentInput.callout.EventDate;
txtBox_mc.EventPlace.htmlText = contentInput.callout.EventPlace;
trace(“XML Output”);
trace("------------------------");
trace(contentInput);
}

txtBox_mc.getTix.buttonMode = true;
txtBox_mc.prev_btn.buttonMode = true;
txtBox_mc.next_btn.buttonMode = true;

txtBox_mc.prev_btn.addEventListener(MouseEvent.CLICK, Previous);
txtBox_mc.next_btn.addEventListener(MouseEvent.CLICK, Next);
mySlideshow.addEventListener(SlideshowEvent.TRANSITION_COMPLETE, transitionCompleteHandler);
myTimer.addEventListener(TimerEvent.TIMER, timerHandler);
TweenLite.to(txtBox_mc, .5, {y:190, ease:Back.easeOut});
function transitionCompleteHandler(event:SlideshowEvent) {
myTimer.start();
TweenLite.to(txtBox_mc, .4, {y:190, ease:Back.easeOut});
}

function Next(event:MouseEvent):void {
myTimer.stop();
TweenLite.to(txtBox_mc, .5, {y:290, ease:Strong.easeOut});
mySlideshow.nextImage();
}
function Previous(event:MouseEvent):void {
myTimer.stop();
TweenLite.to(txtBox_mc, .5, {y:290, ease:Strong.easeOut});
mySlideshow.prevImage();
}
function timerHandler(event:TimerEvent) {
myTimer.stop();
TweenLite.to(txtBox_mc, .5, {y:290, ease:Strong.easeOut});
mySlideshow.nextImage();
}
XML:
<?xml version=“1.0” encoding=“UTF-8”?>
<content>
<callout>
<EventHeader>Another Show at the PAC</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>
<callout>
<EventHeader>This is the Show</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>
<callout>
<EventHeader>Another Show at the PAC</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>
<callout>
<EventHeader>This is the Show</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>
</content>
BTW the first section:
<callout>
<EventHeader>Another Show at the PAC</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>…is loaded with no problem but what I need is when:
function timerHandler(event:TimerEvent) {
myTimer.stop();
TweenLite.to(txtBox_mc, .5, {y:290, ease:Strong.easeOut});
mySlideshow.nextImage();
}…I need the next xml:
<callout>
<EventHeader>This is the Show</EventHeader>
<EventDate>July 07, 2009</EventDate>
<EventPlace>Tulsa Performing Arts Center</EventPlace>
</callout>… to display in the same text boxes…

Thanks!