Light Bulb/ source Energy calculator Website

Hi, I need an energy calculator making for my website, visitors will select there exisitng light fitting and or bulb from images, click on it a variety of existing light bulbs/lights/ florescents etc appear within that category, after they choose the current light, they can then select quantity or just add one bulb then next option will be the current wattage used, usage hours etc, again they can add further lights with the same fitting, wattage and type,after selecting all there current lights used or select the next type, until they have input the total No of types of lights, type CFL, Florescent tubes etc., wattage, usage, then click calculate and it will show the carbon foot print, carbon saving, energy saving, and financial saving, and pay back period, by using our replacement ULE lighting using upto 90% less energy, a web page will be needed to be designed and a link on our flash home page simplyeco.com.