Buy & sell (dynamic market)

Have your visitors buy and sell through your site. In less then 5 minutes you have this complete function running at your site, It's totally ready to go. It uses access 2000 database, dynamic dropdownsboxes, ability to search products, advanced sql queryes with loads of inner join, client and server-side validation, spamcontrol, ip-logging, passwords, emailcontrol, voting system for removal of bad ads, javascript with mouseover effects, popup windows, hide/show; similar to www.blocket.se, working for both NN and IE. Please write a comment, rate this code and feel free to add links to where it is used. Working demo http://www34.brinkster.com/buyandsellapp/