Changing Attributes Based on Ancestry

Hi.  I saw in a post a bit ago a similar subject, and I tried to apply it,
but it didn't seem to work.  What am I missing?

Here is the XSL:

  <xsl:template name="top_bar">
    <xsl:apply-templates select="document('./nav.xml')"/>
  </xsl:template>

  <xsl:template name="bottom_bar">
    <xsl:apply-templates select="document('./nav.xml')"/>
  </xsl:template>

  <xsl:template match="navigate">
    <xsl:if test='ancestor::top_bar'>
      <xsl:param name="navColor">#ffffff</xsl:param>
    </xsl:if>
    <xsl:if test='ancestor::bottom_bar'>
      <xsl:param name="navColor">#000000</xsl:param>
    </xsl:if>

    <xsl:value-of select="$navColor"/>
    <xsl:for-each select="lnk">
      <a href="{@href}" style="color:{$navColor};
font-size:9pt"><xsl:value-of select="."/></a>
      <xsl:choose>
        <xsl:when test="position() == last()">
        </xsl:when>
        <xsl:otherwise>
          <span style="color:{$navColor}"><xsl:text> | </xsl:text></span>
        </xsl:otherwise>
      </xsl:choose>
    </xsl:for-each>
  </xsl:template>

Basically, I want the color for the top_bar to be white and the bottom bar
to be black, but it's not applying.  I also tried using:  <xsl:template
match="//navigate">  but that didn't work either.  Thanks for the help.

(is it not working because it's importing from an outside file?)

eric


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