I'd like to help, but I would rather not have to register - how about setting up a test account. You can lock/Unlock the test account during support issues
Sounds to me like you haven't uploaded inc_code.js to your forum directory.
<edit> Trying to navigate directly to your inc_code.js returns a 404 so that's definitely your problem; upload the inc_code.js file from the zip and you should be sorted </edit>
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