case 'clean_all_cache':
     mosCache::cleanCache();
     mosRedirect('index2.php', 'Todas as caches foram limpas');
     break;
 case 'redirect':
     $goto = strval(strtolower(mosGetParam($_REQUEST, 'link')));
     if ($goto == 'null') {
         $msg = 'Não existe nenhum link associado a este item';
         mosRedirect('index2.php?option=com_admin&task=listcomponents', $msg);
         exit;
     }
     $goto = str_replace("'", '', $goto);
     mosRedirect($goto);
     break;
 case 'listcomponents':
     HTML_admin_misc::ListComponents();
     break;
 case 'sysinfo':
     HTML_admin_misc::system_info($version, $option);
     break;
 case 'changelog':
     HTML_admin_misc::changelog();
     break;
 case 'help':
     HTML_admin_misc::help();
     break;
 case 'version':
     HTML_admin_misc::version();
     break;
 case 'preview':
     HTML_admin_misc::preview();