SO jQuery Fiddle

Test Fiddle mainly for SO Questions jQuery 1.4.3, UI 1.8.5

HTML

<script src="https://github.com/carhartl/jquery-cookie/raw/master/jquery.cookie.js"></script>

<div class="Image"><img src="/image1.jpg">1</div>
<div class="Image"><img src="/image2.jpg">2</div>
<div class="Image"><img src="/image3.jpg">3</div>
<div class="Image"><img src="/image4.jpg">4</div>
<div class="Image"><img src="/image5.jpg">5</div>
<div class="Image"><img src="/image6.jpg">6</div>
<div class="Image"><img src="/image7.jpg">7</div>

CSS

.Image {display: none;}

JavaScript

var divIndex = $.cookie('div_index') || -1;
var divs = $('.Image');
divIndex = (parseInt(divIndex, 10) + 1) % divs.length;
divs.eq(divIndex).show();
$.cookie('div_index', divIndex);