<a class="dropdown-toggle" href="#" data-toggle="dropdown">Menu<b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="findus.php">Find Us</a></li> <li><a href="about.php">About Us</a></li> </ul> </ul> </div> </div> </nav> </div> <div class="main-content"> <h1>Graph</h1> Select Node <?php $obj = new Model(); $arr_node = $obj->getNode(); echo '<select name="node" class="node">'; foreach ($arr_node as $val) { echo '<option value="' . $val . '">' . $val . '</option>'; } echo '</select>'; $arr_accel = $obj->getAccel(); ?> <div id="graph1" style="width:100%; height:320px;"></div> <h2>Accel</h2> <div class="table-responsive"> <table class="table table-striped"> <thead> <tr> <th>timestamp</th> <th>node</th>