jQuery AJAX not working on production server

This is my first post on here. Any help would be awesome. I'm trying to call a vb.NET subroutine from my aspx page using jQuery and AJAX. When I run the page from VS 2008 on my PC (Windows XP SP2), it works great. When I copy the site to the production server Windows Server 2008 , it doesn't do anything. No errors or anything. I've tried debugging with IE's script debugger. I've been trying to figure this out for days and am coming up with nothing.This is my first post on here. Any help would b