text: $(document).ready(function(){
      $('ul li a').click(function(){
          $('li a').removeClass("active");
          $(this).addClass("active");
      });
  });
  
  function openModal() {
      document.getElementById("myModal").style.display = "block";
    }
  
    function closeModal() {
      document.getElementById("myModal").style.display = "none";
    }
  
    var slideIndex = 1;
  showSlides(slideIndex);
  
  function plusSlides(n) {
      showSlides(slideIndex += n);
    }
  
    function currentSlide(n) {
      showSlides(slideIndex = n);
    }
  
    function showSlides(n) {
      var i;
      var slides = document.getElementsByClassName("mySlides");
      var dots = document.getElementsByClassName("demo");
      var captionText = document.getElementById("caption");
      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";
      captionText.innerHTML = dots[slideIndex-1].alt;
    }