[xsl] Incrementation i=i+1

Is there something in xsl for incrementing
a number like i = i + 1 ?

I need to use that as a function for <a href="link-to-somewhere?para=i>Link</a>

Thank you.

Partho
_______________________________________________________________________
Partho Paul                     email: uk4u@xxxxxxxxxxxxxxxxxxx
Computer science student        or:    paul@xxxxxxxxx
-----------------------------------------------------------------------
Homepage:   http://www.partho.de
Durga Puja: http://www.uni-karlsruhe.de/~uk4u/durga.html


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list