redirect script

i am making a website on how i build my aquarium / fish tank products.

i have brought a few items throw a cash back site and i want to put a link of the items i brought and used in my builds so that they track throw my cash back account when the people click on my link on my website are taken throw the cash back site invisibly and end up at the product page.

i.e.

my page

talking about my product linkclick on link

invisibly go throw my cash back account

to product page

so when they buy the item i get the money from the site

thanks for any help you can give me