Display catalogue and cart

Hi everybody I need some skills to complete my new project here are the details : You have to create : - a Search page with category name and subcategory - a Category page where will be displayed the pictures representing subcategories and the name - a Subcategory page where will be displayed the pictures of item the name of the item and the price - a Item Page ( with a rollover effects on image to make it bigger ) I will tell you all the details to integrate on this page - Integrate a cart when they choose the item to buy, the cart have to work with paypal . The cart have to be displayed on all pages showing the number of items and total price - All this pages except the search page have to be modifiable by Admin ( add category, add subcategory, add item...) I will give all details to bid winner ( Size for teh pictures and table etc...) I will choose the bid winner between people who show me admin part done Thanks Remi