displaying details like Shopping Cart in popup window

Question

Hi i am developing a shopping cart.

 

I need urgent help regarding showing customer a shopping cart details. 

What i want is :---

 

consider example of web site www.flipkart.com  when i choose any of the product (after clicking the button Buy Now)  it shows a popup window where i see the details about the item selected , if i select more one or two items,  every time the popup window appears and shows the details, i need help regarding the same. i am giving image , about how the popup window i require. Please help me this is urgent. I have tried with Lightbox but it didnt workout at all . If there is any other way out or any other simple solution apart from popping up the window please suggest me. 

 

Following is the image that i require this is just the sample image. Just need information about how to popup that window and send the data into that window.

very great thanks in advance 

please help me, this is very urgent.