gistfile1.phtml

<?php if($listing['guest_card_id']) {
    // ***** GUEST CARDS *****
    // add Guest Card button styles below. Just make sure the <a> tag has a class of showContactUs
    // ***********************
    ?>
    <script type="text/javascript">
        jQuery.contactUsOptions.pingUrl = "https://corsa.dynamicleadsolutions.com/onsite_firstlink.asp";
    </script>
    <script language="JavaScript" type="text/javascript" src="https://www.on-site.com/extras/js_corsaManagementPrequalify.js"></script>
    <li><a href="#" class="showContactUs">Apply Online</a></li>

    <?php } else { ?>

    <li><a href="<?php echo $apply_online; ?>" target="_blank">Apply Online</a></li>

<?php } ?>