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+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Timeline | Group example</title>
+
+  <style>
+    body, html {
+      font-family: arial, sans-serif;
+      font-size: 11pt;
+    }
+
+    #visualization {
+      box-sizing: border-box;
+      width: 100%;
+      height: 300px;
+    }
+  </style>
+
+  <!-- note: moment.js must be loaded before vis.js, else vis.js uses its embedded version of moment.js -->
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.8.4/moment.min.js"></script>
+
+  <script src="../../../dist/vis.js"></script>
+  <link href="../../../dist/vis.css" rel="stylesheet" type="text/css" />
+  <script src="../../googleAnalytics.js"></script>
+</head>
+<body>
+<p>
+  This example demonstrate using groups. Note that a DataSet is used for both
+  items and groups, allowing to dynamically add, update or remove both items
+  and groups via the DataSet.
+</p>
+<div id="visualization"></div>
+
+<script>
+  var now = moment().minutes(0).seconds(0).milliseconds(0);
+  var groupCount = 3;
+  var itemCount = 20;
+
+  // create a data set with groups
+  var names = ['John', 'Alston', 'Lee', 'Grant'];
+  var groups = new vis.DataSet();
+  for (var g = 0; g < groupCount; g++) {
+    groups.add({id: g, content: names[g]});
+  }
+
+  // create a dataset with items
+  var items = new vis.DataSet();
+  for (var i = 0; i < itemCount; i++) {
+    var start = now.clone().add(Math.random() * 200, 'hours');
+    var group = Math.floor(Math.random() * groupCount);
+    items.add({
+      id: i,
+      group: group,
+      content: 'item ' + i +
+          ' <span style="color:#97B0F8;">(' + names[group] + ')</span>',
+      start: start,
+      type: 'box'
+    });
+  }
+
+  // create visualization
+  var container = document.getElementById('visualization');
+  var options = {
+    groupOrder: 'content'  // groupOrder can be a property name or a sorting function
+  };
+
+  var timeline = new vis.Timeline(container);
+  timeline.setOptions(options);
+  timeline.setGroups(groups);
+  timeline.setItems(items);
+
+</script>
+</body>
+</html>
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