Very Simple JavaScript modification

Modification of the existing javascript registration form to accept modified input. Modifications required: - Need to allow user to add an option dollar amount in a field This registration form needs to calculate the amount owing based on the following criteria: - Values are selected from drop-down boxes. - The optional Donation field must add it's value to the total. A copy of the .shtml registration form and existing .js file are included. The final total needs to be submitted to PayPal as indicated by the html code found in the registration form. This project requires a very short turnaround time. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Windows Hosting, Javascript, no PHP