Theme Based Multilingual Website Builder Script

Please read carefully before bidding else we will be wasting our each others time. I need a strong Admin where: 1. Should able to select a number of themes. 2. Each page Should Support Multiple Languages [login to view URL] able to support multiple currency, multiple Payment getaways and User roles who can access this page 4. Should able to have list of all pages in tree menu and Should be able to open any website in Editor. [login to view URL] able to edit every thing from there like Images,Menu, Forms, Content, and Other properties like title tags,meta tags(Search Engine Optimization.) [login to view URL] work with main website editor in pop up windows 7. Should able to duplicate any website for other language and it should be inside of main website in sub folders e.g.: [login to view URL] or [login to view URL] [login to view URL] shouldn't be like wordpress or joomla and other cms. More Information Available for selected bidder. Note:1.I need a proof of similar work before selecting the bidder else i will simply reject. So dont bid if you do not have similar kind of project experience. 2. Do not bid if you want to build it from scratch as i dont have much time. All the Best Guys.