document(lang_*.xml)?

Hi!

I have situation where I should choose one attribute value from 
several xml file. I dont have the exact count or names of the files, 
because it varies from time to time. But the name of these files constructs of
lang_*.xml, where * can have two characters (alphabets).The structure 
of the sourcetrees is always similar:

<?xml version ="1.0" encoding="ISO-8859-1"?>
<Language id="English" value="en"/>

Now this kind of selecting does not work:

<xsl:value-of select="document(lang_*.xml)/Language/@id"/>

Idea is like using * to point to several files.

Any ideas how to do it......

Cheers, Jarkko

***************************************************
* Jarkko Moilanen                                 *
* Project Researcher, ITCM (www.itcm.org)         *
* Profound XML technology Expert (dreams)         *
* University of Tampere                           *
* Hypermedia Laboratory                           *
***************************************************

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