jsPlumb - detaching single connection

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.min.js"></script>
<script src="http://jsplumbtoolkit.com/js/dom.jsPlumb-1.6.1-min.js"></script>
    <body >
        
        <!-- Adds new windows to the page -->
        <div class="window" style="left: 600px" id="details">
            <p style="text-align: center">Window</p>
            <div class="button_container">
                <div class="button_add_window">Add</div>
            </div>
        </div>
        
        <!-- Primary window - used as html templated for descendants -->
        <div class="window" style="left: 20px" id="container0">
            <div class="button_container">
                <div class="button_add">Add</div>
                <div class="button_remove">Remove</div>
            </div>
        </div>

        <div class="window" style="left: 200px" id="container1">
        </div>
     

    </body>

CSS

.window { 
            background-color: #EEEEEF;
            border: 1px solid #346789;
            border-radius: 0.5em;
            box-shadow: 2px 2px 5px #AAAAAA;
            color: black;
            height: 5em;
            position: absolute;
            width: 5em;
        }

        .window:hover { 
            box-shadow: 2px 2px 19px #AAAAAA;
            cursor: pointer;
        }


        .button_add, .button_add_window, .button_remove, .button {
            background-color: deepskyblue;
            text-align: center;
            border: 1px solid;
        }

        .button_container {
            margin: 5px;
            background-color: #aaaaaa
        }

JavaScript

ddsadjsPlumb.ready(function () {

            //FIX DOM:
            $(("#container1"))[0].innerHTML = $(("#container0"))[0].innerHTML;

            //all windows are draggable
            jsPlumb.draggable($(".window"));

            //jsPlumb events:
    
             //connection was established let's add listener
            jsPlumb.bind("jsPlumbConnection", function(info) {

                //get connection from event info
                var connection = info.connection;

                //add on click event
                connection.bind("click", function(conn) {
                    jsPlumb.detach(conn);
                });
            });

            //endpoint to use
            var anEndpointDestination = {
                endpoint: "Dot",
                isSource: true,
                isTarget: true,
                maxConnections: 1,
             
                anchor:"AutoDefault"
            };

            

            //Add additional anchor
            $(".button_add").live("click", function () {

                var parentnode = $(this)[0].parentNode.parentNode;
                
                
                jsPlumb.addEndpoint(
                    parentnode,
                    anEndpointDestination
                );
               
            });
            
            //Remove anchor 
            $(".button_remove").live("click", function () {

                var parentnode = $(this)[0].parentNode.parentNode;

                //get list of current endpoints
                var endpoints = jsPlumb.getEndpoints(parentnode);
                
                //remove last one
                
                if (endpoints.length > 0) {
                    jsPlumb.deleteEndpoint(endpoints[endpoints.length - 1]);
                }
            });
            

            //adds new window
            $(".button_add_window").click(function () {

                var id = "dynamic_" + $(".window").length;
                
             ...