Javascript for WHMCS

We have a website in WHMCS and we want to make some changes 1) We want to capture the client name & lastname is the first step of the cart (comparison) and assign that to the final step 2) Bypass the final checkout and simply proceeding to paypal for payment (assigning the name & last name from the step 1 and random 3) setting up our accounts to run for a free trial base and after that it automatically 4) Getting the items in the custom fields during registration and verifying that they match. We already have a javascript that does the most of the above items and you just need to tweak that to make the changes you need. If you have a good Javascript skills this project should be easy for you. You should have good English skills to communicate effectively with us. You should have reliable internet access. Previous work with Javascript and WHMCS is a must