h='120px' style='color:#F0F0F0' bgcolor='#909090'  >MAC</th>
                                  <th width='120px' style='color:#F0F0F0' bgcolor='#909090'  >Datetime</th>
                                  <th width='120px' style='color:#F0F0F0' bgcolor='#909090'  >IP</th>
                                  <th width='120px' style='color:#F0F0F0' bgcolor='#909090'  >Event Type</th>
                                  <th width='120px' style='color:#F0F0F0' bgcolor='#909090'  >Device name</th>
                    