generating id by calling template but how to use it at other places

Hello people, 

Please ignore the previous email this email contains
proper question without any typos

two unique problems:

My XML is
<publication pubid="0002">
<author>steve lawer</author>
........
<publication>


I want my new XML as:
<publication pubid="0002">
........
</publication>
<person perid="100000004"> <!-- new id generation -->
<personname>steve lawer</personname>
</person>
<pubper> <!-- publication-person intersection -->
<pubid>0002</pubid>
<perid>100000004</perid>
</pubper>

My XSL is:
<?xml version="1.0"?>

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
 <xsl:output method="xml" indent="yes"/>

<xsl:template match="publication">

<publication>
<xsl:copy-of select="@*|*[not(self::author or
self::editor)]"/> <!-- this is just to cut the authors
element-->
</publication>

<xsl:if test="author=not(.=preceding::author)"
> <!-- this is so that we get unique author names:
Please comment on this #####1-->
        <xsl:apply-templates select="author">
<xsl:with-param name="temppubid" select="@pubid" />
</xsl:apply-templates>
</xsl:if> 
</xsl:template>
   
<xsl:template match="author">
<xsl:param name="temppubid" />
 <person> 
<xsl:attribute name="perid">
 <xsl:call-template name="generate-author-id"> <!--
generating ids ####2-->
</xsl:attribute>
<personname>
<xsl:value-of select="."/>
</personname>
</person>
<pubper>
 <pubid>
       <xsl:value-of select="$temppubid"/>
  </pubid>
   <perid>
         <xsl:value-of select="???????????"/> <!- I
want to print the id at #####2 that I just created for
person element
over here. What should I use is this not
printing....how to print
the value. ####3-->
   </perid>
<persontype>1</persontype>
 </pubper>
</xsl:template>

 

 <xsl:template name="generate-author-id">
  <xsl:variable name="last"
select="number(preceding::author[(_at_)perid][1]/@perid)"/>
  <xsl:variable name="this"
select="count(preceding::author[not(@perid)])+1"/>
  <xsl:variable name="temp"
select="concat('800000000',$last+$this)" />
 <xsl:value-of
select="substring($temp,string-length($temp)-9)" />
<!-- we just want 10-digit IDs -->
<xsl:template>
       
</xsl:stylesheet>




Please comment on ###1, ###3
I want to know what select statement should I use?
I thought using a 

<xsl:variable name="tempperid">
<xsl:call-template name="generate-author-id" />
</xsl:variable>

and use $tempperid everywhere. But this does not work
since the XSL is a decraraltive language and the value
of the variable remains the same.
Thanks in advance
jinx


=====
-----------------------------------------------------------------
Jinesh Varia
Graduate Student, Information Systems
Pennsylvania State University
Email: jinesh(_at_)psu(_dot_)edu
-----------------------------------------------------------------
'Self is the author of its actions.'

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