title: Supersized 3.2.7 doesn't work in IE8
body: <p>I have a jQuery plugin, supersized 3.2.7 working in Chrome and Firefox but just doesn't work in IE8. The pictures aren't loading.</p>
  
  <p>The following is the error shown in the console.</p>
  
  <pre><code>SCRIPT5007: Unable to get value of the property 'thumb': object is null or undefined 
  supersized.js?ver=3.4, line 13 character 1126
  </code></pre>
  
  <p>Javascript code:</p>
  
  <pre><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script src="assets/js/supersized.js?ver=3.4"&gt;&lt;/script&gt;
  &lt;script src="assets/js/supersized.shutter.js?ver=3.4"&gt;&lt;/script&gt;
  &lt;script src="assets/js/easing.js"&gt;&lt;/script&gt;
  &lt;script&gt;
  
      jQuery(function($){
  
          jQuery.supersized({ 
              slide_interval: 5000,
              transition: 'fade',
              transition_speed: 1000,
              new_window: 0,
              horizontal_center: 1,
              progress_bar: 0,
              mouse_scrub: 0,                             
              slides:[
  
                  {image: 'http://localhost/assets/images/city-at-night.jpg', title: '&lt;h1&gt;Discover More Possibilities...&lt;/h1&gt;&lt;h2&gt;At Lorem Ipsum, we fulfil your ideas'},
                  {image: 'http://localhost/assets/images/modern-skyscraper.jpg', title: '&lt;h1&gt;Explore Our Capabilities&lt;/h1&gt;&lt;h2&gt;Lorem Ipsum Dolor Sit Amet'},
              ]
  
          });
      });
  
  &lt;/script&gt;
  &lt;script src="assets/js/scripts.js"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>Any help would be appreciated!</p>