var eiSlider = {

  currentSlideIndex: 0,

  nextSlide: null, // we will define this later

  autoPlay: null, // we will define this later too

  advanceSlide: null // ditto

};

​

eiSlider.nextSlide = function() {

​

  var currentSlideIndex = eiSlider.currentSlideIndex,

      nextSlideIndex = currentSlideIndex + 1,

      slideLink = null,

      totalSlides = $('.ei-slider-large img').length;

  console.log('totalSlides', totalSlides);

​

  // If we are already at the end of the images, loop back to the beginning

  if ( nextSlideIndex > totalSlides - 1 ) {

​

    nextSlideIndex = 0;

  }

  console.log(nextSlideIndex);

​

  // Move forward to the next slide

  slideLink = $('.feature .ei-slider-nav li:eq(' + nextSlideIndex + ') a');

  eiSlider.advanceSlide(slideLink);

};

​

eiSlider.advanceSlide = function(item) {

  var thisLink = $(item),

      navIndex = thisLink.parent('li').index();

  if( !$('.feature .ei-slider-nav li:eq('+navIndex+')').hasClass('active')) {

    thisLink.closest('li').siblings().removeClass('active');

    thisLink.closest('li').addClass('active');

    // Set the currentSlide index on the global eiSlider tracking object

    eiSlider.currentSlideIndex = navIndex;

    $('.ei-slider-current #currentSlide').text(eiSlider.currentSlideIndex);

  }

};

​

$('.feature .ei-slider-nav li a').click( function(e) {

  e.preventDefault();

  if ( eiSlider.autoPlay ) {

    window.clearInterval(eiSlider.autoPlay);

  }

  eiSlider.advanceSlide(this);

});

​

eiSlider.autoPlay = window.setInterval(function(){

  eiSlider.nextSlide();

}, 1000);