Staff login · Dr. Narendran's Veterinary Clinic  <script> document.querySelectorAll('section form').forEach(function (f) { f.addEventListener('submit', function () { var b = f.querySelector('button[type=submit]'); if (!b) return; setTimeout(function () { b.disabled = true; b.classList.add('opacity-60', 'cursor-wait'); }, 0); }); }); </script>