Uncaught TypeError: Object [Object object] has no method 'Sortable'
<p>I am a newbie of using Jquery and UI.</p>

<p>I am using the Sortable method: <code>$('#div').Sortable()</code></p>

<p>and got this error: </p>

<blockquote>
  <p>Uncaught TypeError: Object [Object object] has no method 'Sortable'</p>
</blockquote>

<p>Even I have included all of the jquery files needed:</p>

<pre><code>&lt;script type="text/javascript" src="./drag/jquery-1.8.0.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript" src="./drag/jquery-ui-1.8.23.custom.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript" src="./drag/jquery.ui.core.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript" src="./drag/jquery.ui.mouse.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript" src="./drag/jquery.ui.widget.min.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript" src="./drag/jquery.ui.sortable.min.js"&gt;&lt;/script&gt;
</code></pre>

<p>So that is the problem here?</p>

<p>Thanks in advance.</p>
