shopping cart

need a shopping cart on existing website Admin area Shipping and tax not required Inventory : not required ADD PRODUCT (from where we will add product on the site with option on product name, , price, browse image upload) description should accept html coding so I can bold it or change colours in descriptions EDIT PRODUCT To edit or delete exisiting product EDITING LINKS ON PAGE Contact us, list of cities, category page, homepage and other pages editing, you can install a file editior, this can be html friendly, so we can edit as per our requirement ADD CATEGORY we will first add category which will be available in editing options like above, so we can design the look as per our requirement and then when we go to add products, we can select this from drop down menu while adding product CURRENCY COVERSATION Would prefer if it can auto detect people from country and show there own currency Only need USD, GBP, EURO, CANADIAN $ & AUSTRALIAN DOLLLAR Default currency is USD It will still have currency drop down menu on all pages if client wishes to change it I can put exchange rate myself and it can take according to that SEO Just to add my keywords etc in all pages ORDER SALE (we can check new orders/ search any order by number) Get customers details, emails, address etc TRACK ORDER Can be connected to main page to check status It should be simple when click on track order, should show me two options Orders under processing and orders delivered PAYMENT PROCESSOR Link where we can add payment processer authorize and 2co Enable and disable it CUSTOMIZE CHECKOUT FORM MARKETING Simple link to send emails to all customers who have ordered with us There email will be saved here Should have option to add/delete emails DATABASE BACKUP If possible to backup incase something happens to server, though I would like to make sure all data is fully secured. Delivery confirmation to customer Discount vouchers cookie saving to recognize customers