<script> var slideIndex = 1; showSlides(slideIndex);

// Next/previous controls function plusSlides(n) {

showSlides(slideIndex += n);

}

// Thumbnail image controls function currentSlide(n) {

showSlides(slideIndex = n);

}

function showSlides(n) {

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

} </script>