jQuery is not defined $ is not defined $(...).scrollable is not a function
<blockquote>
  <p>Error: ReferenceError: jQuery is not defined /js/jquery.tools.min.js</p>
  
  <p>Error: ReferenceError: $ is not defined /js/popup.js</p>
  
  <p>Error: TypeError: $(...).scrollable is not a function /js/carousel.js</p>
</blockquote>

<pre><code>&lt;script type="text/javascript" src="js/jquery.tools.min.js"&gt;&lt;/script&gt; 
&lt;script type="text/javascript" src="js/popup.js"&gt;&lt;/script&gt; 
&lt;script src="ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"; type="text/javascript"&gt;&lt;/script&gt; 
&lt;script src="js/jquery-1.7.2.min.js" type="text/javascript"&gt;&lt;/script&gt; 
&lt;script src="ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/…; type="text/javascript"&gt;&lt;/script&gt; 
&lt;script src="js/jquery-ui-1.8.21.custom.min.js" type="text/javascript"&gt;&lt;/script&gt; 
&lt;script src="js/jquery-timer.js" type="text/javascript"&gt;&lt;/script&gt;
</code></pre>

<p>I am getting these errors. Please, can somebody give me some advice?</p>
