Masked dynamic text

hi, I’m not sure why the dynamic text only appears once and doesn’t loop. It’s in a movieclip that’s in another tweened movieclip. Any suggestions?

ActionScript Code:
[FONT=Courier New][LEFT]logoX = [COLOR=#000080]379[/COLOR].[COLOR=#000080]0[/COLOR];[COLOR=#808080]**[/COLOR]

logoY = [COLOR=#000080]178[/COLOR].[COLOR=#000080]0[/COLOR];[COLOR=#808080]**[/COLOR]
[COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]attachMovie[/COLOR][COLOR=#000000]([/COLOR][COLOR=#FF0000]“animation”[/COLOR], [COLOR=#FF0000]“animation”[/COLOR], [COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]getNextHighestDepth[/COLOR]COLOR=#000000[/COLOR], [COLOR=#000000]{[/COLOR][COLOR=#0000FF]_x[/COLOR]:logoX, [COLOR=#0000FF]_y[/COLOR]:logoY[COLOR=#000000]}[/COLOR] [COLOR=#000000])[/COLOR];

[COLOR=#000000]function[/COLOR] loadXMLCOLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]

[COLOR=#0000FF]if[/COLOR] COLOR=#000000[/COLOR] [COLOR=#000000]{[/COLOR]

[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc1[/COLOR].[COLOR=#000080]line1[/COLOR] = [COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]firstChild[/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]0[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]0[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]nodeValue[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc2[/COLOR].[COLOR=#000080]line2[/COLOR] = [COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]firstChild[/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]1[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]0[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]nodeValue[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc3[/COLOR].[COLOR=#000080]line3[/COLOR] = [COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]firstChild[/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]2[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]0[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]nodeValue[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc4[/COLOR].[COLOR=#000080]line4[/COLOR] = [COLOR=#0000FF]this[/COLOR].[COLOR=#0000FF]firstChild[/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]3[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]childNodes[/COLOR][COLOR=#000000][[/COLOR][COLOR=#000080]0[/COLOR][COLOR=#000000]][/COLOR].[COLOR=#0000FF]nodeValue[/COLOR];

[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc1[/COLOR].[COLOR=#000080]line_one[/COLOR].[COLOR=#0000FF]text[/COLOR] = [COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc1[/COLOR].[COLOR=#000080]line1[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc2[/COLOR].[COLOR=#000080]line_two[/COLOR].[COLOR=#0000FF]text[/COLOR] = [COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc2[/COLOR].[COLOR=#000080]line2[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc3[/COLOR].[COLOR=#000080]line_three[/COLOR].[COLOR=#0000FF]text[/COLOR] = [COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc3[/COLOR].[COLOR=#000080]line3[/COLOR];
[COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc4[/COLOR].[COLOR=#000080]line_four[/COLOR].[COLOR=#0000FF]text[/COLOR] = [COLOR=#0000FF]_root[/COLOR].[COLOR=#000080]animation[/COLOR].[COLOR=#000080]tagmc4[/COLOR].[COLOR=#000080]line4[/COLOR];
[COLOR=#0000FF]trace[/COLOR][COLOR=#000000]([/COLOR][COLOR=#FF0000]“file successfully loaded”[/COLOR][COLOR=#000000])[/COLOR];
[COLOR=#000000]}[/COLOR] [COLOR=#0000FF]else[/COLOR] [COLOR=#000000]{[/COLOR]
[COLOR=#0000FF]trace[/COLOR][COLOR=#000000]([/COLOR][COLOR=#FF0000]“file not loaded!”[/COLOR][COLOR=#000000])[/COLOR];

[COLOR=#000000]}[/COLOR]

[COLOR=#000000]}[/COLOR]
xmlData = [COLOR=#000000]new[/COLOR] [COLOR=#0000FF]XML[/COLOR]COLOR=#000000[/COLOR];
xmlData.[COLOR=#0000FF]ignoreWhite[/COLOR] = [COLOR=#000000]true[/COLOR];
xmlData.[COLOR=#0000FF]onLoad[/COLOR] = loadXML;
xmlData.[COLOR=#0000FF]load[/COLOR]COLOR=#000000[/COLOR];
[/LEFT]
[/FONT]

xml:
<?xml version=“1.0”?>
<tag>
<line1>This is a test.</line1>
<line2>And this is a test.</line2>
<line3>I think this is a test too.</line3>
<line4>Yep, another test.</line4>
</tag>

Thank you in advance