script>

<script type="text/javascript">

document.addEventListener("DOMContentLoaded",function () {
    // create the canvas for the user interaction
    //
    var canvas = new draw2d.Canvas("gfx_holder");

    var circle =new draw2d.shape.basic.Circle({diameter:30});
    // standard selectionFeedback. It is not neccessary to install it manually
    circle.installEditPolicy(new draw2d.policy.figure.RectangleSelectionFeedbackPolicy());
    canvas.add(circle,90,100);

    circle =new draw2d.shape.basic.Circ