Cart content into popup window?

When i click @Buy@ i see popup window with 2 buttons, tell me, how i can insert in this popup items from my cart? in ideal i want to see in popup window items, which buy and buttons (delete, update, quantity). Thank you and sorry for my english...

You will have to use the extension Modules Anywhere and add a tag for your cart module in the file "notice" of the view "checkout" via the menu Display->Views.