In XSLT how do I increment a global variable from a different scope?

Question

I am processing an XML file where I want to keep count of the number of nodes, so that I can use it as an ID as I write new nodes.

At the moment I have a global vari

Answer 1

Use and $RowNum as an incrementing value.

Eg: ...

This will create classes for link with values tile1, tile2, tile3 etc...