aTree

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v2.min.js"></script>
  <style>
circle.node {
  cursor: pointer;
  stroke: #000;
  stroke-width: .5px;
}
​
line.link {
  fill: none;
  stroke: #9ecae1;
  stroke-width: 1.5px;
}
  </style>
</head>
​
<body>
     <table>
    <tr>
      <td>
        <div class="intgraph"/>
      </td>
    </tr>
  </table>
  <script src="tree.js"></script>
​
​
</body>
​
    

https://d3js.org/d3.v2.min.js