title: i get error in jquery of piczoomer
body: <p>I get Error in this line of pic Zoomer js jquery.picZoomer.js</p>
  
  <pre><code>picBDOffset = {x:$picBD.offset().left,y:$picBD.offset().top};
  </code></pre>
  
  <p>Error :</p>
  
  <pre><code>  Uncaught TypeError: Cannot read property 'left' of undefined
  </code></pre>