Multiple Tables Sorting Problem

I am creating multiple tables from a single stylesheet. This works fine -
except for the sort feature (which works great when it's just a single table
on the web page). I've included a stripped down version of what I'm trying
to do. What happens is this: when I click on a column header to sort by that
field, that table disappears entirely, but the other table stays up.

Any help/ideas would be greatly appreciated.

-Ron

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<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/TR/WD-xsl">
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<script><xsl:comment><![CDATA[
  function pbsort(field)
  {
    sortField.value = field;
    pblisting.innerHTML = source.documentElement.transformNode(stylesheet);
  }
  function pcsort(field)
  {
    sortField.value = field;
    pclisting.innerHTML = source.documentElement.transformNode(stylesheet);
}
]]></xsl:comment></script>

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<xsl:template match="act401/act401pb">
  <table width="70%" style="background-color:white">
    <thead>
      <td><div class="header" onClick="pbsort('pbfund')">Fund</div></td>
      <td><div class="header" onClick="pbsort('pbbegbal')">Beg
Bal</div></td>
    </thead>
.
.
.
</xsl:template>

<xsl:template match="act401/act401pc">
  <table width="80%" style="background-color:white">
    <thead>
      <td><div class="header" onClick="pcsort('pcfund')">Fund</div></td>
      <td><div class="header"
onClick="pcsort('pccontr')">Contributions</div></td>
    </thead>
.
.
.
</xsl:template>


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