diff --git a/js/dos/ext/vis/examples/timeline/interaction/navigationMenu.html b/js/dos/ext/vis/examples/timeline/interaction/navigationMenu.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>Timeline | navigation menu</title>
+
+    <style type="text/css">
+        body, html, input {
+            font-family: sans-serif;
+            font-size: 12pt;
+        }
+
+        #visualization {
+            position: relative;
+        }
+
+        .menu {
+            position: absolute;
+            top: 0;
+            right: 0;
+            margin: 10px;
+            z-index: 9999;
+        }
+    </style>
+
+    <script src="../../../dist/vis.js"></script>
+    <link href="../../../dist/vis.css" rel="stylesheet" type="text/css" />
+    <script src="../../googleAnalytics.js"></script>
+</head>
+<body>
+
+<p>
+    Create your own navigation menu by creating an overlay with buttons to zoom and move.
+</p>
+
+<div id="visualization">
+    <div class="menu">
+        <input type="button" id="zoomIn" value="Zoom in"/>
+        <input type="button" id="zoomOut" value="Zoom out"/>
+        <input type="button" id="moveLeft" value="Move left"/>
+        <input type="button" id="moveRight" value="Move right"/>
+    </div>
+</div>
+
+<script type="text/javascript">
+    // create a timeline with some data
+    var container = document.getElementById('visualization');
+    var items = new vis.DataSet([
+        {id: 1, content: 'item 1', start: '2014-04-20'},
+        {id: 2, content: 'item 2', start: '2014-04-14'},
+        {id: 3, content: 'item 3', start: '2014-04-18'},
+        {id: 4, content: 'item 4', start: '2014-04-16', end: '2014-04-19'},
+        {id: 5, content: 'item 5', start: '2014-04-25'},
+        {id: 6, content: 'item 6', start: '2014-04-27', type: 'point'}
+    ]);
+    var options = {};
+    var timeline = new vis.Timeline(container, items, options);
+
+    /**
+     * Move the timeline a given percentage to left or right
+     * @param {Number} percentage   For example 0.1 (left) or -0.1 (right)
+     */
+    function move (percentage) {
+        var range = timeline.getWindow();
+        var interval = range.end - range.start;
+
+        timeline.setWindow({
+            start: range.start.valueOf() - interval * percentage,
+            end:   range.end.valueOf()   - interval * percentage
+        });
+    }
+
+    /**
+     * Zoom the timeline a given percentage in or out
+     * @param {Number} percentage   For example 0.1 (zoom out) or -0.1 (zoom in)
+     */
+    function zoom (percentage) {
+        var range = timeline.getWindow();
+        var interval = range.end - range.start;
+
+        timeline.setWindow({
+            start: range.start.valueOf() - interval * percentage,
+            end:   range.end.valueOf()   + interval * percentage
+        });
+    }
+
+    // attach events to the navigation buttons
+    document.getElementById('zoomIn').onclick    = function () { zoom(-0.2); };
+    document.getElementById('zoomOut').onclick   = function () { zoom( 0.2); };
+    document.getElementById('moveLeft').onclick  = function () { move( 0.2); };
+    document.getElementById('moveRight').onclick = function () { move(-0.2); };
+
+</script>
+</body>
+</html>
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