Flash/XML display problem - plz help

i had declared xml object on the very first frame of main timeline and subsequently i placed few dynamic text boxes on different frames.

problem is, xml is not showing value except for text box puted on the first frame.

wht to do to display xml data on every frame.

my AS code on first frame -

_global.xmlData = new XML();
xmlData.ignoreWhite = true;
xmlData.onLoad = loadXML;

function loadXML(loaded) {
if (loaded) {
a.htmlText = this.firstChild.childNodes[0].toString();
b1.htmlText = this.firstChild.childNodes[1].childNodes[0].childNodes[0].toString();
b1p.htmlText = this.firstChild.childNodes[1].childNodes[0].childNodes[1].toString();
b2.htmlText = this.firstChild.childNodes[1].childNodes[1].childNodes[0].toString();
b2p.htmlText = this.firstChild.childNodes[1].childNodes[1].childNodes[1].toString();
b3.htmlText = this.firstChild.childNodes[1].childNodes[2].childNodes[0].toString();
b3p.htmlText = this.firstChild.childNodes[1].childNodes[2].childNodes[1].toString();
else {
trace(“file not loaded!”);

anyone plz help