Martin this is Great! I never thought it can be done this short way. I was doing a 3 level deep <choose> but still not working. There was only one complain from the compiler that cn is declared as string:

  <xsl:template match="node()">
    <xsl:param name="cn"/>
    <xsl:if test="descendant-or-self::node() intersect $cn">

So i changed it to <xsl:param name="cn" select="/.."/>
and now it is working as a charm.

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/