public function processControlMenu()
 {
     if (isset($_REQUEST['main_tab'])) {
         $option = $_REQUEST['main_tab'];
         if ($option === 'lights') {
             echo Lightbulb::getLightBulbForm();
         } elseif ($option === 'locks') {
             echo Lock::getLockForm();
         } elseif ($option === 'thermostat') {
             echo Thermostat::getThermostatForm();
         } else {
             if ($option == 'lightGroups') {
                 echo LightGroup::getLightGroupForm();
             } else {
                 echo "<h3>Undefined Tab Selected</h3>";
             }
         }
         //continue with locks
         //thermostat etc.
         $this->display = FALSE;
     } else {
         $command = escapeshellcmd("python /var/www/python/killall.py");
         shell_exec($command);
         $command = escapeshellcmd("python /var/www/python/clear.py");
         shell_exec($command);
     }
 }