osCommerce advanced_search.php rebuild

We require someone to recode the osCommerce RC2a [login to view URL] and [login to view URL] pages to achieve the following 1). Correct working functionality of the Product Extra Fields Contribution - [login to view URL],2202 2). Correct working of search functions to search via meta tags, product descriptions, manufacturers and manufacturers perscriptions 3). Correct working search of an existing availability calendar to search a table of available dates and date ranges and only return products within these ranges 4). Correct working search of products based on price, from a price range table, as opposed to standard product price These functions need to be set within the [login to view URL] file for users to be able to be selected and searched in individuall ranges or searched by combination of the ranges Code needs to be MySQL 5 and php5 compliant (register globals off)