527899 Add new features to PHP Script

Hello, I have a PHP Topsite script and I want to add more features like password login security, Email Verification, Send email when I approve Website, client can buy a credits for increase his site rank and position in my Topsite script(Client can buy this credit through PayPal... I don't need gateway, I will use PayPal Buynow button) + Its a easy for php programmers and I will pay money through Escrow. Escrow Payment: - When I accept your bid I will make a 25% Escrow Payment - When you Add Login security and email verification then I will make another 25% money(50% Release when you add this in my website) - Once you add a "Client credit feature" then I will release other money.