jQuery没有加载到客户端的办公室

I have a strange problem that is only happening in a single location. I am using jQuery and my page is working fine in my machine as well as in other locations. In a single location the page isn't working. I shamelessly asked the client to use Firefox and install Firebug and I am surprised to find that a "jQuery is not a function" error is reported.I have a strange problem that is only happening