i want to understand how they have made this site
http://www.autobulbsdirect.co.uk/xenon-hid-kits/
my current uderstanding is
they used Javascript for the form find bulbs for my
that script will look in a sql database row [e.g. carinfo], for that make, model, varient, year to find information for that cars lights.
(this is the bit i find difficult to understand and would love some help and something to refer to)
when you click on one of those bulbs it willl link to another row in that database [e.g. products], which would display that products infomation
or
isit that row carinfo has informaton from row products
cant some one please help me, im loosing hair trying to understand