How to achieve this zooming and unzooming functionlaity
<p>I'm hoping someone can point me in the right direction with regards to achieving this effect from Mozilla Firefox, when clicking on a video thumbnail as I would also like to achieve this with photos as well, i.e, See:></p>

<p><a href="http://en-gb.www.mozilla.com/en-GB/firefox/3.5.1/whatsnew/" rel="nofollow">http://en-gb.www.mozilla.com/en-GB/firefox/3.5.1/whatsnew/</a></p>

<p>and click on the thumbnail play button.</p>

<p>Thanks.
Tony.</p>
