myskn/myexfoliator info site/ adding ecommerce

This is our exstablished site [login to view URL] it wass designed for product info only. Moving to ecommerce, need a new front page, add products and shopping cart For Australia, Middle East, India, Pakistan, India, Thailand and Malaysia buyers at this stage 3 products only single pack twin pack 2x twin pack plus postage using Paypal All orders to go to myself at first at depending on timming and then on to UPS as sales grow. I am not sure about below expect PHP, it should look like the way this site below has its shopping cart set up for my product go to; [login to view URL];search_in_description=1&keyword=my+exfoliator I will attach the script for the fronf page. Many Thanks Robert Durso