[Mediawiki-l] Get a page passing a part of content in the URL

Hi, I need help to figure out how to do the following: I have 200 pages in my wiki. The content of each page is something like this: PRODUCT TITLE Product_description Product_price Product_size Product_website I need a way to get the page that matches whit "Product_website" passing the "website" via URL. Example: mydomain.com/wiki/index.php?website=www.billabong.com must show the page whit this content: Billabong T-shirt <-- product title Description of this product blah blah... <-- product description $60 <-- price M - L - XL <-- size www.billabong.com <-- WEBSITE How can I do this? thanks in advance Lichi.