Paging in XSL

I have the following requirement.  Can anyone tell me how to do this

Say Example:
<messages>
 <message>
  <from><![CDATA[Vasu R <vasu@xxxxxxxx>]]></from>
  <subject>Test 1</subject>
  <date>29 May 2001 22:37:32</date>
 </message>
 <message>
  <from><![CDATA[Vasu R <vasu@xxxxxxxx>]]></from>
  <subject>Aasdf sdfasdf 2</subject>
  <date>30 May 2001 23:15:24</date>
 </message>
 <message>
  <from><![CDATA[Narsu A <narsu@xxxxxxxxx>]]></from>
  <subject>Test attachment 3</subject>
  <date>31 May 2001 18:45:25</date>
 </message>
 <message>
  <from><![CDATA[John K <john@xxxxx>]]></from>
  <subject>Multiple attachmetns 4</subject>
  <date>2 Jun 2001 08:03:41</date>
 </message>
</messages>

First I want build the index like
 [J] [N] [V]      ...Prev [1] [2] [3] Next...

I took the first character of <from> element,
 If I click on any of the characters above, I should go to the page which
has name starts with the character I clicked .
 There may be 'n' number of pages.  Is it possible to do this in XSL


 Thanks in advance
 Narsu



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