title: set autoplay to false/true on fancybox
body: <p>I have an image gallery.</p>
  
  <pre><code>jQuery("a.thumb").fancybox({
    "loop"        : true,
    "autoPlay"    : true,
    "playSpeed"   : 4000,
    "nextSpeed"   : 500,
    "prevSpeed"   : 500,
    "openSpeed"   : 500,
    "speedOut"    : 500,
    "openEffect"  : "fade", 
    "closeEffect" : "fade",
    "nextEffect"  : "fade",
    "prevEffect"  : "fade"
  });
  </code></pre>
  
  <p>I want to add a new button to set the autoplay to false/true is it possible?</p>