Hello, This is working: <input type="submit" value="do-something!" name="apythonscript:method"> but this not: <input type="submit" value="do-something!" name ="apythonscript?number=4:method"> i get this as an answer: Resource not found Resource: http/................apythonscript%3Fnumber%3D4 Why is this and what can i do about it The traceback states: Traceback (innermost last): File M:\Program Files\Zope\lib\python\ZPublisher\Publish.py, line 223, in publish_module File M:\Program Files\Zope\lib\python\ZPublisher\Publish.py, line 187, in publish File M:\Program Files\Zope\lib\python\Zope\__init__.py, line 226, in zpublisher_exception_hook (Object: hetformulier) File M:\Program Files\Zope\lib\python\ZPublisher\Publish.py, line 162, in publish File M:\Program Files\Zope\lib\python\ZPublisher\BaseRequest.py, line 373, in traverse File M:\Program Files\Zope\lib\python\ZPublisher\HTTPResponse.py, line 540, in notFoundError NotFound: (see above) Thanks in advance Hans de Wit Stichting Farmaceutische Kengetallen Postbus 30460 2500 GL DEN HAAG Tel. 070-3737448 Fax 070-3737445