Broken "Next" link in html help with suppress.navigation set to 0

With the following customization layer and a document that contains a
<glossary> and an <index>, the "Next" link on the glossary goes to an
error page (the link is to 
mk:@MSITStore:C:\workhead\docmodules\planning\stage\ProcessOverview\chm\
downdir\ProcessOverview.chm::/ix01.html)...apparently it is trying to
link to a non-existent index page. Could someone give me a hint about
where I should start looking to suppress that link or have it go
someplace (like back around to the legalnotice, index.html page). 

Thanks,
David

<?xml version='1.0'?>
<!DOCTYPE xsl:stylesheet>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns="http://www.w3.org/1999/xhtml"
  version='1.0'>
  <!-- Strange but true, I need xhtml so that my build system can parse
the output and put images in the output directory -->
  <xsl:import href="../../../../DocBookXSL/1.68.1/xhtml/chunk.xsl"/>
  <xsl:import
href="../../../../DocBookXSL/1.68.1/htmlhelp/htmlhelp-common.xsl"/>

  <xsl:param name="suppress.footer.navigation">0</xsl:param>
  <xsl:param name="suppress.header.navigation">0</xsl:param>
  <xsl:param name="suppress.navigation">0</xsl:param>

  <xsl:param name="admon.graphics.path">./common/</xsl:param>
  <xsl:param name="callout.graphics.extension" select="'.gif'"/>
  <xsl:param name="callout.graphics.path" select="'./common/'"/>
  <xsl:param name="chunk.quietly" select="0"/>
</xsl:stylesheet>