Problem in loading external HTML content using SpryHTMLDataSet in Firefox

Question

I have a very simple placement of the contents of an HTML DIV within a subsidiary HTML file (statespecificassets.html) into a main HTML document, using SpryHTMLDataSet in Dreamweaver CS4.
The relevant bits of code in the main HTML doc:
In the header:
<script src="../../SpryAssets/SpryData.js" type="text/javascript"></script>
<script src="../../SpryAssets/SpryHTMLDataSet.js" type="text/javascript"></script>
<script type="text/javascript">
<!--
var ds1 = new Spry.Data.HTMLDataSet("../../statespecificassets.html", "NN_Data_s3a");
ds1.setColumnType("column0", "html");
//-->
</script>
And at the point of inclusion of the external DIV:
<div spry:region="ds1" class="StackedContainers">
         <div spry:repeat="ds1" class="RowContainer">
            <div class="RowColumn" style="background-color: #D7DF21;">{column0}</div>
         </div>
      </div>
The problem: This works fine in Safari 4.0 on a Mac, and IE7 on a PC. It doesn't work in Firefox 3.0.11 (latest version) on Mac or PC: In firefox the reference content simply doesn't load. The only way I can get it to work in Firefox is if I place the main HTML doc and its subsidiary reference HTML file in exactly the same directory/ on the same level, and adjust the script reference accordingly ( var ds1 = new Spry.Data.HTMLDataSet("statespecificassets.html", "NN_Data_s3a"); ) ...But I can't/ don't want to alter my directory structure, because multiple files in other directories will need to use the reference file.
Is there some other way of making it all-browser compatible -- possibly by adjusting a relevant bit of code in SpryHTMLDataSet.js in the Spry Assets? .. I've attached the SpryHTMLDataSet.js file for reference.
Thank you to any kind soul who might have the nous to solve this.

Answer 1

This is the latest version of SpryHTMLDataSet: http://labs.adobe.com/technologies/spry/preview/SpryHTMLDataSet.js
Check out if works for, if not, please provide us with a online url.