File Content: service-properties.phtml <?php // Copyright 1999-2025. WebPros International GmbH. All rights reserved. ?> <script type='text/javascript'> //<![CDATA[ (function () { var changePropertiesTabState = function () { if (document.getElementById('<?php echo $this->element->getId(); ?>').checked) { document.getElementById('<?php echo $this->servicePropertiesTabId ?>').style.display = ''; } else { document.getElementById('<?php echo $this->servicePropertiesTabId ?>').style.display = 'none'; } }; document.getElementById('<?php echo $this->element->getId(); ?>').addEventListener('change', changePropertiesTabState); changePropertiesTabState(); })(); //]]> </script> Submit