dots[i].className = dots[i].className.replace(" active", "");
}
slideIndex--;
if (slideIndex > slides.length) {
slideIndex = 1
}
if (slideIndex == 0) {
slideIndex = 4
}
slides[slideIndex - 1].style.display = "block";
dots[slideIndex - 1].className += " active";
}
function showSlides() {
timeOut = 2000;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
for (i = 0; i < slides.length; i++) {
slides[i].style.display = "none";
dots[i].className = dots[i].className.replace(" active", "");
}
slideIndex++;
if (slideIndex > slides.length) {
slideIndex = 1
}
slides[slideIndex - 1].style.display = "block";
dots[slideIndex - 1].className += " active";
}