//////////////////////
<? 
if(isset($Edit))
  {
   [block of code that is in caledit2.php3]
  }
?>
What would you like to do?<P>

 <form enctype="multipart/form-data" method="post" action="/old?u=http%3A%2F%2Fwww.devshed.com%2FServer_Side%2FPHP%2FIntroduction%2Fcomments.html%2Fc2806%2F%24PHP_SELF&y=1999">
 <input type="submit" name="Add" value="Add">
 <input type="submit" name="Edit" value="Edit">
 <input type="submit" name="Delete" value="Delete">

//////////////////////

now that script will only run if someone has pressed the edit button, if you want one for the delete button just add it for

if(isset($Delete)){ [block of code] }