only the name should contain the square brackets, not the id. For example, instead of:
<input type="checkbox" name="checkbox[]" id="checkbox[]" value="1"/>
use:
<input type="checkbox" name="checkbox[]" id="checkbox" value="1"/>
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.