a simple network with some nodes and edges. Some of the events are
            logged in the console in improve readability.
        </p>

        <div id="mynetwork"></div>

        <h2 id="eventSpanHeading"></h2>
        <pre id="eventSpanContent"></pre>

        <script type="text/javascript">
            var nodes = new vis.DataSet([
                {
                    id: 1,
                    label: "0de983fa7e1e0af211722f364d62844b_0",
                    title: "I have popup",
                   