let currentIndex = 0;
const track = document.getElementById("slideshowTrack");
const slides = track.children;
const totalSlides = slides.length;
function slideTo(index) {
const percent = -index * 100;
track.style.transform = `translateX(${percent}%)`;
}
setInterval(() => {
currentIndex = (currentIndex + 1) % totalSlides;
slideTo(currentIndex);
}, 3000); // เปลี่ยนทุก 3 วินาที