It sounds like you require the work to be completed in a program such as Adobe Edge Animate, as this can take your Photoshop files and export HTML along with the animated portions and interactivity, all in place for you to upload straight to your webspace.
I'm competent in the Adobe Creative Suite, so this won't be an issue!
I'd like to see the files so far and discuss a little further before starting, but I'm looking forward to your reply!
Best Regards,
Jacob Dodd
Business Animator