    <li>Elements not draggable to other groups (<strong>dropOverride:true</strong>)</li>
                                <li>Deletes group only</li>
                            </ul>
                            <div class="del"></div>
                            <div class="node-collapse"></div>
                            <div data-jtk-group-content="true">
                                <div id="c2_1" class="w" style="left:30px;top:40px">2.1</div>
                                <div id="c2_2" class="w" 