Custom Pice Calculator

I need to have a custom t-shirt calculator that can give "live" quotes via our website. The calculator needs to be able to pull individual pricing from database based on style, quantity and amount of colors the print will have, just like the link below. Like in the link below, we would like the end user to arrive to a product page and click on "live quote" and receive pricing on the product they are viewing, if they click on a different item, the calculator should be able to switch over to that item. This is exactly what I need. [login to view URL]