In general, this requries custom programming in
JavaScript or a server-side technology like ASP or
ASP.NET. There are also some third-party programs that
can do this.
For more info, search google for
calculate form total javascript
Jim Buyens
Microsoft FrontPage MVP
http://www.interlacken.com
Author of:
*----------------------------------------------------
|\---------------------------------------------------
|| Microsoft Office FrontPage 2003 Inside Out
||---------------------------------------------------
|| Web Database Development Step by Step .NET Edition
|| Microsoft FrontPage Version 2002 Inside Out
|| Faster Smarter Beginning Programming
|| (All from Microsoft Press)
|/---------------------------------------------------
*----------------------------------------------------