html file upload

I am using SALT to record a user interaction (wav file) in the browser. I want to upload this to the server. The attached webpage has everything but the upload being done. I need some help to make the html/javascript to upload this file. What do I need to do? ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) 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 html, java script