Create a script

I need an auction website for freelancers projects something contains all the features in Ifreelance, getafreelance ...etc the following points will cover most of these features. But the main feature I need you to be considered is to create a live instant messages for each project between the buyer and bidders , it allows the buyer to manage private conversation between him and one of the bidders , it's something like these in social websites . One last thing I want the status of any user to be clear, if he online or offline , with simple sign like red and green or some thing like that. Feature List * Numerous fee options include, sign up fees, sign up bonuses, monthly, quarterly and annual fee structures, percentage discounts and more. * Use escrow payment system. * Plugin payment system (allows for additional payment methods to be installed easily) * Payment solutions are fully integrated with PayPal, [login to view URL], [login to view URL] and [login to view URL], for fast and easy transaction support. PLUS Manual Check and Wire Transfer option. * Unlimited number of users, categories and sub-categories, PLUS unlimited amount of project * Gives one total control over all operations via web browser * * Easy to edit language files. No need to setup a cronjob. * Powerful Admin panel for controlling site. * View past transactions. * Buyers can pick a freelancer at any time. * Admin can manage the file types and size limit users can attach to projects. * When a project is posted, freelancers who might be interested are automatically alerted by email. * Buyers can edit or add extra information to the bottom of their project description at any time. * Admin can edit project description. * Close a project at any time * Manage list of banned usernames, e-mails, and Pay Pal Adresses * Delete users accounts. * Find, edit and close projects. * Manage rules by regular expressions * Optional signup process users requires email verification * Set meta description and keywords * A members account gets frozen automatically if their balance goes below zero * Buyers can close a project at any time * Buyers can attach files to there project * Buyers can extend the end date on their project. * Users can be rated and reviewed after they have completed a project. * Project Discussion Board * Complete internal messaging system * Configure all outgoing emails * Contact us form for getting feedback from visitors * * Tell a friend system Email verification (Can be switched on/off from admin panel) * Password retrieval system * In built ad management system * Support for banner ads, text ads and affiliate ads. * Support for running google adwords. * ( Please if I missed some thing include it ) Note : if you don't have samples of you previous work please don't bid. Last things NO kubelance or any similar scripts , I need unique script. Thank You.