document.addEventListener('DOMContentLoaded', function () { const enquiryField = document.querySelector('select[name="form_fields[enquiry]"]'); const recipientField = document.querySelector('input[name="form_fields[recipient_email]"]'); if (!enquiryField || !recipientField) return; const updateRecipient = () => { switch (enquiryField.value) { case 'Servicing / Technical Support': recipientField.value = 'sdc@furuno.sg'; break; case 'Spare Parts': recipientField.value = 'parts@furuno.sg'; break; case 'Projects & Retrofit': recipientField.value = 'sdc@furuno.sg'; break; case 'Radio Survey / VDR / SVDR APT (Local)': recipientField.value = 'survey@furuno.sg'; break; case 'Radio Survey / VDR / SVDR APT (Overseas)': recipientField.value = 'survey@furuno.sg'; break; default: recipientField.value = 'sdc@furuno.sg'; } }; enquiryField.addEventListener('change', updateRecipient); updateRecipient(); });