Using msxsl:script or EXSLT function to define a function

Does anybody know how to use msxsl:script to define a
javascript function, or EXSLT function definition?

I'm not able to use it inside xsl: without having
error.


=====
Regards, Claudio.

IT Consultant.
Buenos Aires, Argentina.
e-mail: claudio_russo(_at_)yahoo(_dot_)com


__________________________________
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!
http://sbc.yahoo.com

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list