create a search javascript2

I need you to develop some software for me. I would like this software to be developed for Windows using Javascript. I need a JavaScript created to search database for dates records in database , manage d in admin cms. Am creating to JavaScript each contains data that will be store in database and managed in cms. I also need to create the pages in admin as well. I also need to update a form so that data that relates to the JavaScript is sent and update d in cms summary of work Need to Create invoice functionality in Amin (create invoice, associate with vendor who submitted, a report of vendors, Track the amount of invoices vendor submitted, (Total Revenue, Balance Due , Back charge, discount, Unpaid invoices) Add functionality of (list of grass invoices page) Add functionality to (list of inspection invoices page) Add invoice funtionality to Frontend Vendor Workorder /Inspection Form) - This is need because when a vendor complete an work order, the system should generate an invoice that is updated in admin under invoices Create functionality to vendor frontend to view the accounting for all work completed.