<form action="$db_script_url" method="POST">
<input type=hidden name="db" value="$db_setup">
<input type=hidden name="uid" value="$db_uid">
<input type=hidden name="Platform" value="$in{'Platform'}">
<input type=hidden name="Customer" value="$in{'Customer'}">
<input type=hidden name="Commodity" value="$in{'Commodity'}">

in html_add_form