Advanced CSS `zoom` test

Primarily for researching ZeroClipboard, Bug #149: https://github.com/zeroclipboard/ZeroClipboard/issues/149

HTML

<div style="display: none">
<iframe width="650" height="494" src="http://www.youtube.com/embed/4LTZms54FXs?list=PL-EwswMO8z8isLTRUuWaYtVtrHFt3-9jl" frameborder="0" allowfullscreen></iframe>
</div>

 <div onclick="actualNextSibling(this).style.display=block; this.style.display=none">
<img src="http://www.stevedawson.com/tutorials/images/splash.jpg" alt="splash" style="cursor: pointer" />
</div>

JavaScript

<script type="text/javascript">
    function actualNextSibling(el) { 
        do { el = el.nextSibling } while (el && el.nodeType !== 1);
            return el;
    }
</script>