title: jQuery slimScroll & Blur on Scroll
body: <p>I used jQuery slimScroll, for one div Box. Now I want to use Blur on Scroll  so I can use these Effect. 
  The Problem when I scroll in the div-Box nothing happend. </p>
  
  <pre><code>http://codepen. io/sota0805/pen/pqLcv
  </code></pre>
  
  <p>What I want to do. 
  If somebody scroll in the div-box the background in the div box should change. </p>