Create an ebay Listing HTML generator tool

This project is to make a HTML generator for ebay. Similar to add new product in something like magneto, Oscommerce or any other cart software. Only this will simply create a html or txt that can be paste into ebay. There must be a login system. The script must.. 1) Upload images and resize them 2) Have a WYSIWYG Visual Editor for decription. 3) Be able to master control top links. Ie. Save once and it will be repeated as a master template 4) itemTitle 5) Terms and conditions, Saved as a master and edits will be default to newly opened listings. 6) Edit or change footer banner. A special place to update ebay API code, this will edit the api code in a php file. I dont mind if code is taken from a magneto, or other cart system as long as it does whats needed.