create new compact better code for product layout page in php javascript

we have a product layout page, which shows the details of product once the user clicks on it. the code is made in php, javascript, and uses mysql database. the code currently written works but it is not? written properly? and we basically need someone to create new better code for the page. we also need to add couple of features on the page. we need someone very skilled in php, mysql and javascript to modify the page and create it for us. once you make your bid/comment i can send you the details of the page to modify, including the new feature to add. for any questions let me know thanks