 ham.addEventListener("click", toggleMenu);
    let slideIndex = 1;
    showSlides(slideIndex);
    function plusSlides(n) {
      showSlides(slideIndex += n);
    }
    function currentSlide(n) {
      showSlides(slideIndex = n);
    }

    function showSlides(n) {
      let i;
      let slides = document.getElementsByClassName("mySlides");
      let dots = document.getElementsByClassName("dot");
      if (n > slides.length) {slideIndex = 1}
      if (n < 1) {slideIndex = slides.length}
   