Getting Only Web services with a [ScriptService] attribute on the class definition can be called from script error when the webmethods have the [ScriptService] attribute

Hi,
we are trying to make a webservice call using Ajax and the solution works fine when both the web service and the page are on the same machine, however i get the above error when i move the page to another machine (the new machine is in a different domain)
This is the scriptmanager configuration i am using
<
asp:ScriptManager ID="ScriptManager1" runatGo to the complete details ...