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<meta charset="utf-8">
<style type="text/css">
.node {
cursor: pointer;
}
.overlay{
background-color:#EEE;
}
.node circle {
fill: #fff;
stroke: steelblue;
stroke-width: 1.5px;
}
.node text {
font-size:10px;
font-family:sans-serif;
}
.link {
fill: none;
stroke: #ccc;
stroke-width: 1.5px;
}
.templink {
fill: none;
stroke: red;
stroke-width: 3px;
}
.ghostCircle.show{
display:block;
}
.ghostCircle, .activeDrag .ghostCircle{
display: none;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="dndTree.js"></script>
<body>
<div id="tree-container"></div>
</body>
</html>
Modified http://code.jquery.com/jquery-1.10.2.min.js to a secure url
Modified http://d3js.org/d3.v3.min.js to a secure url
https://code.jquery.com/jquery-1.10.2.min.js
https://d3js.org/d3.v3.min.js