title: prettyPhoto, "title" and tooltips
body: <p>In prettyPhoto, how can I have the photo description come from something other than <code>"title"</code> (added to <code>&lt;a&gt;</code> tag surrounding the <code>&lt;img&gt;</code>)? When hovering over the image, it displays ugly html on my website that I only want to be seen and displayed by prettyPhoto when it opens (hence it contains html), but not as a tooltip.</p>
  
  <p>One thought I had was to plug into an event but the only one relevant is changepicturecallback, and I can't figure out how to access the current photo element from that.</p>
  
  <p>Maybe it's something in jQuery itself but I'm a little lost as to where to find it.</p>
  
  <p>Any idea would help.</p>
  
  <p>Thanks,
  Igor</p>