This is an example of the HTML a publisher can use to place any collection of ads on his or her site so that all will be hidden except one random ad for each page refresh. You can see an example of the output here: http://jsfiddle.net/TUats/embedded/result/

RandomAdRotate.html

<div id="cj_rolling_container">

    <!-- Put Your Ads In This Container Like So -->

    <a href='http://www.kqzyfj.com/click-6743399-11396752' target='_top'>
        <img src='http://www.lduhtrp.net/image-6743399-11396752' width='300' height='250' alt='' border='0' />
    </a>
    
    <a href='http://www.kqzyfj.com/click-6743399-11396757' target='_top'>
        <img src='http://www.lduhtrp.net/image-6743399-11396757' width='300' height='250' alt='' border='0' />
    </a>
    
    <a href='http://www.kqzyfj.com/click-6743399-11396760' target='_top'>
        <img src='http://www.lduhtrp.net/image-6743399-11396760' width='300' height='250' alt='' border='0' />
    </a>
    
    <a href='http://www.kqzyfj.com/click-6743399-11396761' target='_top'>
        <img src='http://www.lduhtrp.net/image-6743399-11396761' width='300' height='250' alt='' border='0' />
    </a>
    
</div>

<script>
var elements = document.querySelectorAll("#cj_rolling_container > *");
var choice = Math.floor(Math.random()*elements.length);
for(var i=0; i<elements.length; i++){
    if (i!==choice) elements[i].style.display='none';
}
</script>