Recode CMS for www.elpuntodeventa.com . Not Joomla, Not Drupal, Not Wordpress

I have a website [login to view URL] that is running but I want to have a new CMS to manage it, and also convert it from from tables to divs, css, google friendly. Will use exactly same design that website has actually [login to view URL] The purpose of the site is to promote ads. Not using shopping cart neither online payment. The design is exactly the same, the code has to be changed from tables to divs and css and the CMS to create-modify categories/subcategories ads, must be quite friendly and simple . Rather not use Joomla, not Wordpress, Not Drupal. Better CMS developed by freelancer. Features: - Rol webmaster: create / delete / modify categories-subcategories ; Includes ad owners info and its ads. Includes content into content sections such as "About us", "Faq", "News". set number of ads per page. ads will be deactivated when reaching expiration date. - Rol Ad owner: Modify its info. place ads within categories/subcategories. May modify its ads - Ads are grouped by categories /subcategories. No need to filter them by city or country. - Detailed ad page contains for each ad: Detailed page is splited in two columns . Left column contains logo, secondary images, and company address. Rigth column contains brief company info and a contact form that send messages to ad owner (Example here [login to view URL] ).