 <div class="tab-content">
            <div id="instances" role="tabpanel" class="tab-pane ">
                <div class="menu-container">
                        <div class="menu-toolbar pull-right btn-group grid-group-btn" style="margin-right: 0px;margin-top: 9px;">
                                <button id="collapseTree" type="button" title="Collapse All" class="btn btn-questa btn-default dropdown-toggle">
                                    <img src="icons/collapse-all.png" alt="Collapse All" height="1