public function getJsSources()
{
return '
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="' . $this->_uri . 'prettify/prettify.js"></script>
<script type="text/javascript" src="' . $this->_uri . 'js/pretty.js"></script>
<script type="text/javascript" src="' . $this->_uri . 'js/jquery.scrollTo-min.js"></script>';
}