backtracking and trying to find a sub-node

Subject: backtracking and trying to find a sub-node
From: Robert Koberg <rob@xxxxxxxxxx>
Date: Tue, 21 Nov 2000 12:23:05 -0800
Hi,

Could you look at the below and offer some advice on how it should be done.
Firs there is an sample of XML followed by my attempt at XSL. I have an XML
structure that looks like this:

<config>
  <section>
     <image attributes.../>
     <image attributes.../>
        <section><page/></section>
        <section>
          <page/>
          <section>
            <page/>
            <section><page/></section>
          </section>
        </section>
  </section>

  <section>
     <image attributes.../>
     <image attributes.../>
        <section><page/></section>
        <section>
          <page/>
          <section>
            <page/>
            <section><page/></section>
          </section>
        </section>
  </section>
</config>

The Problem: I need to access the images at the 1st section no matter which
sub-section I am in.  In other words the images at the top level need to
cascade down through the other sections. This is what I have been trying:

<xsl:variable name="images" select="ancestor::section//image"/>
   <xsl:variable name="image.hd1" select="$images[@role='hd1']"/>
   <xsl:variable name="image.hd2" select="$images[@role='hd2']"/>

   &lt;image src="<xsl:value-of select="$image.hd1/@fileref"/>"
width="<xsl:value-of select="$image.hd1/@width"/>" height="<xsl:value-of
select="$image.hd1/@height"/>" /&gt;

  &lt;image src="<xsl:value-of select="$image.hd2/@fileref"/>"
width="<xsl:value-of select="$image.hd2/@width"/>" height="<xsl:value-of
select="$image.hd2/@height"/>" /&gt;
</xsl:template>

tia, Rob


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