Webservice from a servlet

[RaviReddy]

Hi,
I have an existing application uses Servlets and hosted on Websphere6.
Now we have a requirement to meke the same functions which we have in
JSPs and Servlets existing as Webservices.

Can any one have idea how to achieve this.

At this movement what i am looking is atleast how to use the existing
servlet as a webservice? A Simple example.

Thanks for the help in advance.

regards,
Ravi