function rotateSlideshow() {
  var totalImages  = $('#slideshow img').length;
  var currentIndex = Number($('#slideshow img.current').attr('id').split('-')[1]);

  $('#slideshow').children('img.current').fadeOut(5000).removeClass('current');

  if (currentIndex + 1 == $('#slideshow').children('img').length) {
    $($('#slideshow img')[0]).fadeIn(5000).addClass('current');
  } else {
    $($('#slideshow img')[currentIndex + 1]).fadeIn(5000).addClass('current');
  }

  setTimeout(rotateSlideshow, 6000);
}

$(document).ready(function() {
  setTimeout(rotateSlideshow, 1000);
});