... 'preview-html', 'preview-text', 'send');break;}As you can see, this again uses the display_items() function with buttons for the pre-view-html, preview-text ,and send ... '".$HTTP_SESSION_VARS['admin_user']."','".$subject."','".$list."','STORED', NULL, NULL)";$result = mysql_ query($query);if(!$result) { do_html_footer(); exit; }//get the id MySQL assigned to this mail$mailid = mysql_ insert_id();if(!$mailid) { do_html_footer(); ... characters, but we have ignored this for the sake of brevity.Next, we set up and send the headers for the page, and validate that the form wasfilled in correctly.This is important here as it’s...