$(function() {
  var current = $('#slides > :first');
  function nextSlide() {
    var next = current.next();
    if (next.length == 0) {
      var prev = current.prevAll();
      next = $(prev[prev.length - 1]);
    }
    current.css('left', '0').animate({'left': '-100%'}, 'slow');
    next.css('display', 'block').css('top', '0').css('left', $('html').css('width')).animate({'left': '0'}, 'slow');
    current = next;
  }
  $('body').click(nextSlide);
  $('a').click(function(event) {
    event.stopPropagation();
  });
});