How to set Infinite loop slideshow on tumblr header

Question

I want my slideshow header (on Tumblr theme) to loop infinitely on it's on without having to click the next arrows Please help. Code below

var interval = undefined;
$(document).ready(function() {
  interval = setInterval(getNext, 3000);
  $("a#next").on('click', getNext);
  $("a#prev").on('click', getPrev);
});

function getNext() {
  var $curr = $("#slides .slides:visible"),
      $next = ($curr.next().length) ? $curr.next() : $("#slides .slides").first();
  transition($curr, $next);
}

function getPrev() {
  var $curr = $("#slides .slides:visible"),
      $next = ($curr.prev().length) ? $curr.prev() : $("#slides .slides").last();
  transition($curr, $next);
}

function transition($curr, $next) {
  clearInterval(interval);
  $next.css("z-index", 8).fadeIn("medium", function() {
    $curr.fadeOut().css("z-index", 0);
    $next.css("z-index", 7);
  });
}

Answer 1

Just remove the line

clearInterval(interval);

in the transition() function.

JSFiddle