==== SetDriverNo ====

System function to capture the driver number from the script

=== Description ===

<code>SetDriverNo( n )</code>

Saves the driver number internally

=== Parameters ===

This function is used by system drivers to capture the current driver number.

There is no case where this function should be used in a user script.

=== Example usage ===

<code javascript>   
     SetDriverNo( nDvc ) ;
</code>
<WRAP center round tip 60%>
This function first appeard in firmware 26010701
</WRAP>