Useful Affiliate Code Snippet

I have just been asked by a Forbidden Planet Affiliate (to sign click here) for a search box code.And thought the the following piece of search code can be very usefull for most sites.

PHP Code:

This can be used with any merchant - aslong as they support deep linking and have a friendly search URL.all you have to do is replace the search deeplink (http://scripts.affiliatefuture.com/AFClick.asp?affiliateI...&keyword=) with the search deep link for any merchant = ending with "keyword=" or whatever is used on the merchant site (eg could be 'searchterm=')