 return false;
                    }
                }
                let hasPng = await fileExists('fumo.png');
                let hasMp3 = await fileExists('fumo.mp3');
                sevcatorLink.addEventListener('click', (e) => {
                    if (!hasPng || !hasMp3) {
                        return;
                    }
                    e.preventDefault();
                    const fumo = document.createElement('img');
                    fumo.src = 'fumo.png';
                    fumo.cla