assuming that the checked value of the completed check box is "true", you could use code similar to this:
<?php if(isset($_POST['completed']) && $_POST['completed'] == "true") { ?>
UE CODE BLOCK HERE
<?php } ?>
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.