The html is ready, just need to work with the JS.
Images must be changed by clicking on the buttons: Back and Next
See which should include the JS:
Attached is a sample image of how it should be.
21 freelancers are bidding on average $7/hour for this job
I've done this sort of thing many times before. Once we go over the specific customizations you need need I'm pretty sure I can turn this around in no more than 2 days.