Thanks a lot Ingolme,
It is a very big help.
I have re-written the code following your remarks, I think this time is better:
<?php
<a href=”$ firms-> firmurladdress ”>
If (strops(“$ firms-> firmurladdress ”,”?”);=0)
< $firms->firmurladdress ></a>
Else
<substr(“$firms->firmurladdress,0, strops(“$ firms-> firmurladdress”,”?”);></a>
?>
Thanks again, much appreciated.