XML Problem Displaying data in Firefox

[admin]

I have a problem retrieving my XML data and Displaying it on Firefox
but on IE everything works fine,

here is my html file

<!-- m --><a class="postlink" href="http://www22.brinkster.com/jmerts/display2.html">http://www22.brinkster.com/jmerts/display2.html</a><!-- m -->

here is the XML file

<!-- m --><a class="postlink" href="http://www22.brinkster.com/jmerts/items2.xml">http://www22.brinkster.com/jmerts/items2.xml</a><!-- m -->

hoping for your help thanks

Jmerts