ond" onClick="checkAll('choicesCodesPerSecond');">Display samples</a>
                                        </li>
                                        <li><a href="#codesPerSecond" onClick="uncheckAll('choicesCodesPerSecond');">Hide samples</a>
                                        </li>
                                        <li><a href="#codesPerSecond" onclick="exportToPNG('flotCodesPerSecond', this);">Save as PNG</a></li>
                                    </ul>
                                