print same topic more than once with XSL

[pavithra a kaveriappa]

Hi

I am trying to write this bit
<Extension category="Trade" instance="1" name="Payment">
<Field name="AccountTo"></Field>
<Field name="Amount"></Field>
<Field name="Ccy"></Field>
<Field name="Note"></Field>
<Field name="PayType"></Field>
<Field name="ValueDate">24 Jun 2005 12:00:00</Field>
</Extension>
more than once with changing of instance number like below
<Extension category="Trade" instance="2" name="Payment">

how can I achive with without hard coding it number of times i wnated it,

Anyhelp will greatly appreciated

Thanks
Pavithra