Working demo of your example: JSFiddle1 and JSFiddle2
Please check the link and how you call it. This tree should be exactly the same as what you are looking for.
A late source of all documentation can be found here: http://www.jstree.com/
<script type="text/javascript" src="http://static.jstree.com/v.1.0pre/jquery.jstree.js"></script>
Include the files below. See the demo here .
<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js'></script> <link rel="stylesheet" type="text/css" href="/css/normalize.css"> <link rel="stylesheet" type="text/css" href="/css/result-light.css"> <script type='text/javascript' src="http://static.jstree.com/v.1.0pre/jquery.jstree.js"></script>
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