"Andrew" == Andrew Welch <andrew.j.welch@xxxxxxxxx> writes:

    Andrew> I think Abel was implying that you would need to append a
    Andrew> timestamp to the query string to make it a unique url per
    Andrew> request, ensuring a new number would be returned each time
    Andrew> (avoiding the rules of the doc() function and perhaps
    Andrew> caching along the way)

How are you going to do this?

fn:current-dateTime() will return the same value each time.

<xsl:function name="f:my-id">
   <xsl:variable name="new-node">
         <node />
    </xsl:variable>
    <xsl:sequence select="generate-id($new-node)" />
</xsl:function>

Cheers,
-- Abel Braaksma