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diff --git a/www/lib/vis/examples/network/layout/hierarchicalLayoutMethods.html b/www/lib/vis/examples/network/layout/hierarchicalLayoutMethods.html
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--- a/www/lib/vis/examples/network/layout/hierarchicalLayoutMethods.html
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@@ -1,108 +0,0 @@
-<!doctype html>
-<html>
-<head>
-  <title>Network | Hierarchical layout difference</title>
-
-  <style type="text/css">
-    body {
-      font: 10pt sans;
-    }
-    #mynetwork {
-      width: 800px;
-      height: 500px;
-      border: 1px solid lightgray;
-    }
-  </style>
-
-  <script type="text/javascript" src="../../../dist/vis.js"></script>
-  <link href="../../../dist/vis-network.min.css" rel="stylesheet" type="text/css" />
-
-  <script type="text/javascript">
-    var network = null;
-    var layoutMethod = "directed";
-
-    function destroy() {
-      if (network !== null) {
-        network.destroy();
-        network = null;
-      }
-    }
-
-    function draw() {
-      destroy();
-
-      var nodes = [];
-      var edges = [];
-      // randomly create some nodes and edges
-      for (var i = 0; i < 19; i++) {
-        nodes.push({id: i, label: String(i)});
-      }
-      edges.push({from: 0, to: 1});
-      edges.push({from: 0, to: 6});
-      edges.push({from: 0, to: 13});
-      edges.push({from: 0, to: 11});
-      edges.push({from: 1, to: 2});
-      edges.push({from: 2, to: 3});
-      edges.push({from: 2, to: 4});
-      edges.push({from: 3, to: 5});
-      edges.push({from: 1, to: 10});
-      edges.push({from: 1, to: 7});
-      edges.push({from: 2, to: 8});
-      edges.push({from: 2, to: 9});
-      edges.push({from: 3, to: 14});
-      edges.push({from: 1, to: 12});
-      edges.push({from: 16, to: 15});
-      edges.push({from: 15, to: 17});
-      edges.push({from: 18, to: 17});
-
-      // create a network
-      var container = document.getElementById('mynetwork');
-      var data = {
-        nodes: nodes,
-        edges: edges
-      };
-
-      var options = {
-        layout: {
-          hierarchical: {
-            sortMethod: layoutMethod
-          }
-        },
-        edges: {
-          smooth: true,
-          arrows: {to : true }
-        }
-      };
-      network = new vis.Network(container, data, options);
-    }
-
-  </script>
-  <script src="../../googleAnalytics.js"></script>
-</head>
-
-<body onload="draw();">
-<h2>Hierarchical layout difference</h2>
-<div style="width:700px; font-size:14px; text-align: justify;">
-  This example shows a the effect of the different hierarchical layout methods. Hubsize is based on the amount of edges connected to a node.
-  The node with the most connections (the largest hub) is drawn at the top of the tree. The direction method is based on the direction of the edges.
-  Try switching between the methods with the dropdown box below.
-</div>
-Layout method:
-<select id="layout">
-  <option value="hubsize">hubsize</option>
-  <option value="directed">directed</option>
-</select><br/>
-<br />
-
-<div id="mynetwork"></div>
-
-<p id="selection"></p>
-<script language="JavaScript">
-  var dropdown = document.getElementById("layout");
-  dropdown.onchange = function() {
-    layoutMethod = dropdown.value;
-    draw();
-  }
-</script>
-</body>
-</html>