On line 157 try updating:
<form class="DetailsPage Basic_Default" id="Results_Basic_Default" name="Results_Basic_Default" method="post" action="<?php echo (htmlentities($_SERVER["PHP_SELF"], ENT_QUOTES)); ?>">
to:
<form class="DetailsPage Basic_Default" id="Results_Basic_Default" name="Results_Basic_Default" method="post" action="">