; document.addEventListener('DOMContentLoaded', function () { // Reference to the form elements const categorySelect = document.getElementById('category'); const subcategorySelect = document.getElementById('subcategory'); if (categorySelect && subcategorySelect) { // Function to update subcategories based on selected category function updateSubcategories() { // Store current selection if any const currentSelection = subcategorySelect.value; // Clear existing options subcategorySelect.innerHTML = 'Select Subcategory'; // Get selected category const selectedCategory = categorySelect.value; // If no category selected, hide subcategory dropdown if (!selectedCategory) { subcategorySelect.disabled = true; return; } // Enable the dropdown subcategorySelect.disabled = false; // If we have subcategories for this category, add them if (subcategories[selectedCategory]) { subcategories[selectedCategory].forEach(function (subcat) { const option = document.createElement('option'); option.value = subcat; option.textContent = subcat; // Set selected if matches current selection or matches the subcategory variable if (subcat === currentSelection || subcat === 'Brain Injury') { option.selected = true; } subcategorySelect.appendChild(option); }); } } // Attach event listener to category dropdown categorySelect.addEventListener('change', updateSubcategories); // Initialize subcategories on page load updateSubcategories(); // If category is pre-set, make sure subcategories get populated setTimeout(function () { updateSubcategories(); }, 100); } });