> thanks, Martijn!
>
> do you know any alternative?

To what? Perhaps you could describe what you're attempting to do?

Martijn Tonies
InterBase Workbench - the developer tool for InterBase and Firebird
http://www.interbaseworkbench.com

Upscene Productions
http://www.upscene.com

"This is an object-oriented system.
If we change anything, the users object."