`); printWindow.document.close(); printWindow.focus(); printBtn.innerHTML = ' Printed!'; setTimeout(() => { printBtn.innerHTML = ' Print Schedule'; }, 1500); setTimeout(() => { printWindow.print(); }, 500); } // Initialize FAQ functionality function initFAQs() { const faqQuestions = document.querySelectorAll('.amortcalc-faq-question'); faqQuestions.forEach(question => { question.addEventListener('click', function() { const answer = this.nextElementSibling; const isActive = this.classList.contains('active'); // Close all FAQs document.querySelectorAll('.amortcalc-faq-question').forEach(q => { q.classList.remove('active'); q.nextElementSibling.classList.remove('active'); }); // Open clicked FAQ if it wasn't active if (!isActive) { this.classList.add('active'); answer.classList.add('active'); } }); }); // Open first FAQ if (faqQuestions.length > 0) { faqQuestions[0].classList.add('active'); faqQuestions[0].nextElementSibling.classList.add('active'); } } // Set up event listeners function setupEventListeners() { // Input change listeners loanAmountInput.addEventListener('input', function() { this.value = this.value.replace(/[^0-9.]/g, ''); loanAmountSlider.value = parseInputValue(this.value); updateInputDisplays(); calculateAmortization(); }); loanAmountSlider.addEventListener('input', function() { loanAmountInput.value = this.value; updateInputDisplays(); calculateAmortization(); }); interestRateInput.addEventListener('input', function() { this.value = this.value.replace(/[^0-9.]/g, ''); if (parseFloat(this.value) > 15) this.value = '15'; if (parseFloat(this.value) < 0.5) this.value = '0.5'; interestRateSlider.value = this.value; updateInputDisplays(); calculateAmortization(); }); interestRateSlider.addEventListener('input', function() { interestRateInput.value = this.value; updateInputDisplays(); calculateAmortization(); }); extraPaymentInput.addEventListener('input', function() { this.value = this.value.replace(/[^0-9.]/g, ''); updateInputDisplays(); calculateAmortization(); }); startMonth.addEventListener('change', function() { updateInputDisplays(); calculateAmortization(); }); startYear.addEventListener('change', function() { updateInputDisplays(); calculateAmortization(); }); // Loan term button listeners loanTermButtons.forEach(btn => { btn.addEventListener('click', function() { loanTermButtons.forEach(b => b.classList.remove('active')); this.classList.add('active'); currentLoanTerm = parseInt(this.getAttribute('data-term')); updateInputDisplays(); calculateAmortization(); }); }); // Table navigation listeners prevBtn.addEventListener('click', function() { if (currentPage > 1) { currentPage--; updateAmortizationTable(); } }); nextBtn.addEventListener('click', function() { if (currentPage < totalPages) { currentPage++; updateAmortizationTable(); } }); yearSelector.addEventListener('change', function() { currentPage = 1; updateAmortizationTable(); }); // Button listeners calculateBtn.addEventListener('click', calculateAmortization); resetBtn.addEventListener('click', resetCalculator); exportBtn.addEventListener('click', exportToCSV); printBtn.addEventListener('click', printSchedule); // Initialize populateYearDropdowns(); updateInputDisplays(); calculateAmortization(); initFAQs(); } // Start everything if (typeof Chart !== 'undefined') { setupEventListeners(); } else { // Wait for Chart.js to load const checkChart = setInterval(() => { if (typeof Chart !== 'undefined') { clearInterval(checkChart); setupEventListeners(); } }, 100); } } })();