Trouble using document()

Sorry if I have included too much or too little of my XSL document.  This
section is attempting to replace a recursive solution that worked well in
Saxon but causes a stack overflow error in XALAN.

Basically, I want to use the known number of nodes in 

document($nodeFileName)/nodes/n

to go through my smaller list of stats in my main XML document to produce a
known number of nodes in the final XML.  I believe I am getting some
confusion between the document() items and the items in my pd: XML because
sections like:

          <xsl:for-each select="pd:stats">
            <xsl:if test="@index = position()-1">
              <xsl:value-of select="'true'"/>
            </xsl:if>
          </xsl:for-each>


don't seem to be getting accessed at all.

That is, I think when I reference pd:stats, the XLST is thinking I'm
referring to something in document($nodeFileName) rather than something in
my main XML file in the name space pd: 

Can anyone suggest what I'm doing wrong?




<xsl:template match="pd:electrodeStatsList">
<xsl:element name="electrodeStatsList" namespace="urn:probe-design-service">
    <xsl:element name="statsNamesList" namespace="urn:probe-design-service">
        <xsl:for-each select="pd:stats[1]/pd:stat">
            <xsl:element name="statName"
namespace="urn:probe-design-service">
                <xsl:value-of select="@name" />
            </xsl:element>
        </xsl:for-each>
    </xsl:element>
<!-- Handle full set of electrode data -->
      <xsl:if test="$useLoop = 'false'">
          <xsl:for-each select="pd:stats">
              <xsl:element name="stats"
namespace="urn:probe-design-service">
                  <xsl:for-each select="pd:stat">
                      <xsl:element name="st"
namespace="urn:probe-design-service">
                          <xsl:value-of select="." />
                      </xsl:element>
                  </xsl:for-each>
              </xsl:element>
          </xsl:for-each>
    </xsl:if>
<!-- Handle sparse electrode data -->
    <xsl:if test="$useLoop = 'true'">
      <xsl:for-each select="document($nodeFileName)/nodes/n">
        <xsl:variable name="found">
          <xsl:for-each select="pd:stats">
            <xsl:if test="@index = position()-1">
              <xsl:value-of select="'true'"/>
            </xsl:if>
          </xsl:for-each>
        </xsl:variable>
        <xsl:choose>
          <xsl:when test="$found = 'true'">
            <xsl:for-each select="pd:stats">
              <xsl:if test="@index = position()-1">
                <xsl:element name="stats"
namespace="urn:probe-design-service">
                    <xsl:for-each select="pd:stat">
                        <xsl:element name="st"
namespace="urn:probe-design-service">
                            <xsl:value-of select="." />
                        </xsl:element>
                    </xsl:for-each>
                </xsl:element>
              </xsl:if>
            </xsl:for-each>
          </xsl:when>
          <xsl:otherwise>
            <xsl:element name="stats" namespace="urn:probe-design-service">
              <xsl:for-each select="pd:stats[1]/pd:stat">
                <xsl:element name="st" namespace="urn:probe-design-service"
/>
              </xsl:for-each>
            </xsl:element>
          </xsl:otherwise>
        </xsl:choose>
      </xsl:for-each>
    </xsl:if>
</xsl:element>
</xsl:template>




Michael Webster
CombiMatrix Corporation
Software Department
(425) 493-2266




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