Q on <xsl:sort>

I have this snippet... (see below)



I have a four record sample set ( 1 record sample xml is below ).
Each record is different date/times.

My problem is that this sort is not sorting on what I thought it would.

It should display...
  record 4
  record 1
  record 3
  record 2

But it is...
  record 4
  record 3
  record 2
  record 1

It looks like it is displaying in reverse xml order not reverse timestamp
order.

any ideas?

Walter


===========================================================

<xsl:template match='callEvent/response/interaction_list'>

   <xsl:apply-templates>
      <xsl:sort select='./interaction/timestamp'
                order='descending'
                data-type='number' />
   </xsl:apply-templates>

</xsl:template>

<!-- timestamp NODE Template -->
<xsl:template match="timestamp">
   <!-- Pull the pieces apart -->
   <xsl:variable name='datetime' select='.' />
   <xsl:variable name='year'  select='substring( $datetime, 0 , 5 )' />
   <xsl:variable name='month' select='substring( $datetime, 6 , 2 )' />
   <xsl:variable name='day'   select='substring( $datetime, 9 , 2 )' />

   <td valign='top'>
      <!-- put the date together in American order -->
      <xsl:value-of select="concat($month, '/', $day, '/', $year )" />
      <!-- Seperate the date and Time -->
      -
      <!-- Display the Time -->
      <xsl:value-of select='substring( $datetime, 12 , 9 )' />
   </td>
</xsl:template>

===========================================================
-- sample record, 1 of 4 in my demo set --
-- the interaction NODE is repeated in this set --

<callEvent>
   <response>
      <interaction_list>
         <interaction id='19766'>
            <timestamp unix='987413416000'>2001-04-16T04:30:32</timestamp>
            <media_type id='103'>Phone</media_type>
            <channel id='1'>-</channel>
            <ani></ani>
            <dnis></dnis>
            <route_type>I</route_type>
            <events>
               <call_event id='34757'>
                  <timestamp
unix='987413416000'>2001-04-16T04:30:32</timestamp>
                  <call_event_type id='98'>eMail</call_event_type>
                  <customer id='2124'>Harris</customer>
                  <curr_dest id='103'>Vincent</curr_dest >
                  <to_dest id='1'>-</to_dest>
                  <nav_code id='1'>-</nav_code>
                  <rule id='1'>-</rule>
                  <greeting id='1'>-</greeting>
                  <call_type id='1'>-</call_type>
                  <ext_call id='1'>-</ext_call>
                  <old_call_record id='1'>-</old_call_record>
                  <product id='1'>-</product>
                  <reason id='198'>Case Resolution</reason>
                  <detailed_comment>Closed issue about bad
check</detailed_comment>
               </call_event>
            </events>
         </interaction>
      </interaction_list>
   </response>
</callEvent>

=====================================

eof


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