diff --git a/js/dos/ext/vis/examples/network/nodeStyles/groups.html b/js/dos/ext/vis/examples/network/nodeStyles/groups.html
new file mode 100644
index 0000000..0377833
--- /dev/null
+++ b/js/dos/ext/vis/examples/network/nodeStyles/groups.html
@@ -0,0 +1,119 @@
+<!doctype html>
+<html>
+<head>
+    <title>Network | Groups</title>
+
+    <style>
+        body {
+            color: #d3d3d3;
+            font: 12pt arial;
+            background-color: #222222;
+        }
+
+        #mynetwork {
+            width: 800px;
+            height: 800px;
+            border: 1px solid #444444;
+            background-color: #222222;
+        }
+    </style>
+
+    <script type="text/javascript" src="../../../dist/vis.js"></script>
+    <link href="../../../dist/vis.css" rel="stylesheet" type="text/css"/>
+
+    <script src="../../googleAnalytics.js"></script>
+</head>
+
+<body>
+
+<div id="mynetwork"></div>
+<script type="text/javascript">
+    var color = 'gray';
+    var len = undefined;
+
+    var nodes = [{id: 0, label: "0", group: 0},
+        {id: 1, label: "1", group: 0},
+        {id: 2, label: "2", group: 0},
+        {id: 3, label: "3", group: 1},
+        {id: 4, label: "4", group: 1},
+        {id: 5, label: "5", group: 1},
+        {id: 6, label: "6", group: 2},
+        {id: 7, label: "7", group: 2},
+        {id: 8, label: "8", group: 2},
+        {id: 9, label: "9", group: 3},
+        {id: 10, label: "10", group: 3},
+        {id: 11, label: "11", group: 3},
+        {id: 12, label: "12", group: 4},
+        {id: 13, label: "13", group: 4},
+        {id: 14, label: "14", group: 4},
+        {id: 15, label: "15", group: 5},
+        {id: 16, label: "16", group: 5},
+        {id: 17, label: "17", group: 5},
+        {id: 18, label: "18", group: 6},
+        {id: 19, label: "19", group: 6},
+        {id: 20, label: "20", group: 6},
+        {id: 21, label: "21", group: 7},
+        {id: 22, label: "22", group: 7},
+        {id: 23, label: "23", group: 7},
+        {id: 24, label: "24", group: 8},
+        {id: 25, label: "25", group: 8},
+        {id: 26, label: "26", group: 8},
+        {id: 27, label: "27", group: 9},
+        {id: 28, label: "28", group: 9},
+        {id: 29, label: "29", group: 9}
+    ];
+    var edges = [{from: 1, to: 0},
+        {from: 2, to: 0},
+        {from: 4, to: 3},
+        {from: 5, to: 4},
+        {from: 4, to: 0},
+        {from: 7, to: 6},
+        {from: 8, to: 7},
+        {from: 7, to: 0},
+        {from: 10, to: 9},
+        {from: 11, to: 10},
+        {from: 10, to: 4},
+        {from: 13, to: 12},
+        {from: 14, to: 13},
+        {from: 13, to: 0},
+        {from: 16, to: 15},
+        {from: 17, to: 15},
+        {from: 15, to: 10},
+        {from: 19, to: 18},
+        {from: 20, to: 19},
+        {from: 19, to: 4},
+        {from: 22, to: 21},
+        {from: 23, to: 22},
+        {from: 22, to: 13},
+        {from: 25, to: 24},
+        {from: 26, to: 25},
+        {from: 25, to: 7},
+        {from: 28, to: 27},
+        {from: 29, to: 28},
+        {from: 28, to: 0}
+    ]
+
+    // create a network
+    var container = document.getElementById('mynetwork');
+    var data = {
+        nodes: nodes,
+        edges: edges
+    };
+    var options = {
+        nodes: {
+            shape: 'dot',
+            size: 30,
+            font: {
+                size: 32,
+                color: '#ffffff'
+            },
+            borderWidth: 2
+        },
+        edges: {
+            width: 2
+        }
+    };
+    network = new vis.Network(container, data, options);
+</script>
+</body>
+</html>
