Write an iPhone application

I need to create and publish an IOS app ( that runs on iphone and Ipad) . The app is really simple .. these are the details .. I have an ecomerce website that works fine ...I need an app published in app store . 1. the app when launched will open that website only .. 2the links should be opened inside the app ( dont ask the user to open it in a new page ) 3. the app should allow javascripts/ajax