document.addEventListener('DOMContentLoaded', function () { const params = new URLSearchParams(window.location.search); const paketo = params.get('paketo'); if (!paketo) return; const select = document.querySelector('select'); if (!select) return; for (let i = 0; i < select.options.length; i++) { if (select.options[i].value === paketo || select.options[i].text === paketo) { select.selectedIndex = i; select.dispatchEvent(new Event('change', { bubbles: true })); break; } } });