Adding web reference to ISP

Question

i have my website deployed on ISP.

i have the copy of website project on my local machine

i modified my code on local machine to add web services.

now i have a web reference folder added in my website project on local machine.

it also adds a key in web.config.

i need to reflect these changes on my website deployed on ISP.

how do i add web reference on ISP?

its really urgent .. please reply at the earliest ..