function switchFileTab(span, window_id) { let old_span = document.querySelector('.tabSelected'); old_span.classList.remove('tabSelected'); span.classList.add('tabSelected'); let old_window = document.querySelector('.tabWindowSelected'); old_window.classList.remove('tabWindowSelected'); for (let input of old_window.querySelectorAll('input')) { input.value = ''; } let tab_window = document.querySelector('#' + window_id); tab_window.classList.add('tabWindowSelected'); } function disable_text_filename(checkbox) { let input = document.querySelector('#text_filename'); if (checkbox.checked) { input.disabled = true; } else { input.disabled = false; } }