                                  </button>
                                    <ul class="dropdown-menu dropdown-user">
                                        <li><a href="#responseTimePercentiles" onClick="checkAll('choicesResponseTimePercentiles');">Display all samples</a>
                                        </li>
                                        <li><a href="#responseTimePercentiles" onClick="uncheckAll('choicesResponseTimePercentiles');">Hide all samples</a>
                                