function showCustomArguments($services_id) {

      $pmComponent = new PluginMonitoringComponent();
      $pmCommand = new PluginMonitoringCommand();
      $pmComponentscatalog_Host = new PluginMonitoringComponentscatalog_Host();

      $this->getFromDB($services_id);

      $options = array();
      $options['target'] = str_replace("service.form.php", "servicearg.form.php", $this->getFormURL());

      $this->showFormHeader($options);

      $pmComponentscatalog_Host->getFromDB($this->fields['plugin_monitoring_componentscatalogs_hosts_id']);
      $itemtype = $pmComponentscatalog_Host->fields['itemtype'];
      $item = new $itemtype();
      $item->getFromDB($pmComponentscatalog_Host->fields['items_id']);
      echo "<tr>";
      echo "<td>";
      echo $item->getTypeName()." :";
      echo "</td>";
      echo "<td>";
      echo $item->getLink();
      echo "</td>";
      echo "<td colspan='2'></td>";
      echo "</tr>";

      $pmComponent->getFromDB($this->fields['plugin_monitoring_components_id']);
      $pmCommand->getFromDB($pmComponent->fields['plugin_monitoring_commands_id']);

      $array = array();
      $a_displayarg = array();
      if (isset($pmCommand->fields['command_line'])) {
         preg_match_all("/\\$(ARG\d+)\\$/", $pmCommand->fields['command_line'], $array);
         $a_arguments = importArrayFromDB($pmComponent->fields['arguments']);
         foreach ($array[0] as $arg) {
            if (strstr($arg, "ARG")) {
               $arg = str_replace('$', '', $arg);
               if (!isset($a_arguments[$arg])) {
                  $a_arguments[$arg] = '';
               }
               $a_displayarg[$arg] = $a_arguments[$arg];
            }
         }
      }
      if (count($a_displayarg) > 0) {
         $a_tags = $pmComponent->tagsAvailable();
         array_shift($a_tags);
         $a_argtext = importArrayFromDB($pmCommand->fields['arguments']);
         echo "<tr>";
         echo "<th colspan='2'>".__('Component arguments', 'monitoring')."</th>";
         echo "<th colspan='2'>".__('List of tags available', 'monitoring')."&nbsp;</th>";
         echo "</tr>";

         foreach ($a_displayarg as $key=>$value) {
         echo "<tr>";
         echo "<td>";
            if (isset($a_argtext[$key])
                    AND $a_argtext[$key] != '') {
               echo nl2br($a_argtext[$key])."&nbsp;:";
            } else {
               echo __('Argument', 'monitoring')." (".$key.")&nbsp;:";
            }
            echo "</td>";
            echo "<td>";
            echo $value."<br/>";
            echo "</td>";
            if (count($a_tags) > 0) {
               foreach ($a_tags as $key=>$value) {
                  echo "<td class='tab_bg_3'>";
                  echo "<strong>".$key."</strong>&nbsp;:";
                  echo "</td>";
                  echo "<td class='tab_bg_3'>";
                  echo $value;
                  echo "</td>";
                  unset($a_tags[$key]);
                  break;
               }
            } else {
               echo "<td colspan='2'></td>";
            }
            echo "</tr>";
         }
         foreach ($a_tags as $key=>$value) {
            echo "<tr>";
            echo "<td colspan='2'></td>";
            echo "<td class='tab_bg_3'>";
            echo "<strong>".$key."</strong>&nbsp;:";
            echo "</td>";
            echo "<td class='tab_bg_3'>";
            echo $value;
            echo "</td>";
            echo "</tr>";
         }
      }

      // customized arguments
      echo "<tr>";
      echo "<th colspan='4'>".__('Custom arguments for this resource (empty : inherit)', 'monitoring')."</th>";
      echo "</tr>";
      $array = array();
      $a_displayarg = array();
      if (isset($pmCommand->fields['command_line'])) {
         preg_match_all("/\\$(ARG\d+)\\$/", $pmCommand->fields['command_line'], $array);
         $a_arguments = importArrayFromDB($this->fields['arguments']);
         foreach ($array[0] as $arg) {
            if (strstr($arg, "ARG")) {
               $arg = str_replace('$', '', $arg);
               if (!isset($a_arguments[$arg])) {
                  $a_arguments[$arg] = '';
               }
               $a_displayarg[$arg] = $a_arguments[$arg];
            }
         }
      }
      $a_argtext = importArrayFromDB($pmCommand->fields['arguments']);
      foreach ($a_displayarg as $key=>$value) {
         echo "<tr>";
         echo "<td>";
         if (isset($a_argtext[$key])
                 AND $a_argtext[$key] != '') {
            echo nl2br($a_argtext[$key])."&nbsp;:";
         } else {
            echo __('Argument', 'monitoring')." (".$key.")&nbsp;:";
         }
         echo "</td>";
         echo "<td>";
         echo "<input type='text' name='arg[".$key."]' value='".$value."'/><br/>";
         echo "</td>";
         echo "<td colspan='2'></td>";
         echo "</tr>";
      }

      $this->showFormButtons($options);

   }