title: jquery ui sortable disable for one li item
body: <p>It is possible do disable jquery ui sortable just for one list item?
  Here is the code example:</p>
  
  <pre><code>&lt;ul class="sortable"&gt;
      &lt;li&gt;Item 1&lt;/li&gt;
      &lt;li&gt;Item 2&lt;/li&gt;
      &lt;li&gt;Item 3&lt;/li&gt;
      &lt;li&gt;Item 4&lt;/li&gt;
      &lt;li&gt;Item 5&lt;/li&gt;
  &lt;/ul&gt;
  </code></pre>
  
  <p>For example I will disable sortable when I click item.
  Please Help.</p>
  
  <p>Here is the javascript code:</p>
  
  <pre><code>$(document).ready(function(){
      $('.sortable li').click(function(){
          // Disable sortable for this item.............
      });
  });
  </code></pre>