Canvas eCommerce Shop

Hi Developer, i plan a ecommerce shop specialized to canvas print products . Designed as a "addon" for every website should open in a "lightbox"-iframe or popup window lightbox for base-site e.g. [login to view URL] 1. Step: Upload upload multiple files with [login to view URL] 2. Step: Setup Details this is the mainpart of the project. fancy dropdownboxes with images e.g. [login to view URL] differend products results in differend options, other options should hide image cropper allready developed need to change in details to fit [login to view URL] print quality realtime calculator (depending on resulting dpi differend count of stars displayed) 2.A. Step: Preview spezial 3D Preview of the product 3D Preview should work without flash for iOS users and canvas box should be turn around by slider oder drag/wipe standard "Room" Preview with real sizing and dropshadow 3. Step: Checkout standard shopping card features list all products with options and feature to remove product, add quantity, jump back to the product for change details adresses and payment input paypal checkout, amazon checkout, google checkout? Backend: standard shop backend to list all orders, sort, change and export to csv,pdf link to uploaded files for download email information on new orders what standard shopping cart you suggest??? Generell: multilingual automated use language of browser setup and show flags for manual change starting product can selected with lightbox start shop copys will be used for differend clients as SaaS Server: Shop need to setup and run on my own server. MySQL, PHP for serverside need to used. Imagemagic/GD installed for image preview Timeframe: need a "prototype" within two months! Thanks for your attention and wait for your offers. best Stefan