DataAssist Search has a "list" search which you can use to filter based on a checkbox group. Just name the checkboxes with the same name and make sure the name ends with 
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.