if ($GLOBALS[$class]->enabled && $GLOBALS[$class]->credit_class) {
     $use_credit_string = $GLOBALS[$class]->use_credit_amount();
     if ($selection_string == '')
      $selection_string = $GLOBALS[$class]->credit_selection();
     if (($use_credit_string != '') || ($selection_string != '')) {
      $output_string .= '<tr colspan="4"><td colspan="4" width="100%">'.xtc_draw_separator('pixel_trans.gif', '100%', '10').'</td></tr>';
      $output_string = ' <tr class="moduleRow">'."n".'   <td s width="10">'.xtc_draw_separator('pixel_trans.gif', '10', '1').'</td>'.'     <td   class="main"><b>'.$GLOBALS[$class]->header.'</b></td>'.$use_credit_string;
      $output_string .= '<td  width="10">'.xtc_draw_separator('pixel_trans.gif', '10', '1').'</td>';
      $output_string .= '  </tr>'."n";
      $output_string .= $selection_string;
     }

    }