how to return from exsl:node-set

Hi all.

I have one question about exsl:node-set.
Here is my example:

data.xml
<document>
	<data>
		<id>1</id>
	</data>
<document>


style.xsl
<xslo:stylesheet ....>
...

	<xslo:variable name="stored">
		<grp>...</grp>
		<grp>...</grp>
		<grp>...</grp>
	</xslo:variable>
...


	<xslo:for-each select="exsl:node-set($stored)/grp">
		<!-- i will store index of current grp -->
		<xslo:variable name="pos" select="position"/>

		<!--
			NOW I want to have access to data.xml (/document/data/id)
			but i am still in $stored variable stored locally in xsl file
			because exsl:node-set in for-each statement.
			How to acces data from xml file without using
			document(data.xml) function?
			(I can't use it)
		-->

	</xslo:for-each>

</xslo:stylesheet ...>



Thank you.


-- 

Dusan Zatkovsky