Create a website for second hand shopping

Contact only if you are good in javascript and database handling. I want you to create a website which can be used for second hand product advertising. Any seller can advertise their things which they want to sell and any buyer can buy that. Its just a site which has advertisement. I want all the functions that are in [login to view URL] like city wise selection and state wise selection, a form for advertisement, please use MySQL for database handling. Navigation bar should be drop down menu. You should leave some space in left and right corner of website for advertisement. If I like your work I will give you partenership in my firm. Search engine optimization should also be done. Rest i will communicate after selecting a proper bidder. I will provide all the content needed for this website creation.