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//set up variables
var slideIndex = 1;
var timer = null;
showSlides(slideIndex);
//Arrow slide controls
function plusSlides(n) {
//resets timer
clearTimeout(timer);
showSlides(slideIndex += n);
}
//Slide controls using dots on bottom of display
function currentSlide(n) {
clearTimeout(timer);
showSlides(slideIndex = n);
}
//function to progress image slides
function showSlides(n) {
//setup variables
var i;
var slides = document.getElementsByClassName("slides");
var dots = document.getElementsByClassName("dot");
if (n == undefined) {
n = ++slideIndex;
}
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";
//highlights dot of current image in slideshow
dots[slideIndex-1].className += " active";
//determines length each image is displayed for
timer = setTimeout(showSlides, 6000);
}
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