Custom CMS system in PHP & mysql (No joomla or others! Pure custom)

We need a CMS system with the minimal following: *** Frontend** - template support - Guestbook - News page - Photobook - Now playing info from streams - Poll system - Song request system *** Backend** - Manage guestbook - Manage pages (adding and removing pages for the frontend - Manage news - Manage photobook - Manage station information - Manage polls - Manage templates (possibility to change layouts) *** Design** - Full new design or use existing one we allready have!