speech enabled web application

I m the student of final year student.My project is based on speech recognition.We are developing the web site which capable of accepting commands from user by speech and respond to user accordingly by speech.For that we are using Visual studio 2003 and Microsoft SASDK 1.0.

For example:if there is button called NEXT when user says NEXT then page must transfered to NEXT.aspx.

please help us...