case BTN_SM_UPDATE_BODY:
                return "Update body text";
            case BTN_SM_CANCEL_BODY:
                return "Cancel body update";
            case BTN_SM_REMOVE_ALL_ATTACHMENTS:
            	return "Remove all attachment";
            case BTN_SM_PREVIEW:
            	return "Preview";

            case BTN_AS_NEW:
                return "New account";
            case BTN_AS_SET_PRIMARY:
                return "Set as primary";

            case BTN_TB_REPLY:
                return "Reply";
            case BTN_TB_QUOTED_REPLY:
                return "Quoted reply";
            case BTN_TB_REPLY_ALL:
                return "Reply all";
            case BTN_TB_REDOWNLOAD:
                return "Redownload";

            case BTN_MF_ATTACHMENTS:
                return "Bodyparts";
            case BTN_MF_HEADERS_DETAILS:
                return "Header details";
            case BTN_MF_EMAIL_ADDRS:
                return "E-mail addresses";
            case BTN_MF_DEL_ATTACHMENTS:
                return "Delete bodypart";
            case BTN_MF_DETAILS:
                return "Details";
            case BTN_MF_ADD_EMAIL:
                return "Save addresses";
            case BTN_MF_REDOWN_ATTACHMENTS:
                return "Redownload bodypart";
            //#ifdef MUJMAIL_FS
            case BTN_MF_EXPORT_MAIL_TO_FS:
            	return "Export mail to filesystem";
            //#endif
            case BTN_MF_DISPLAY_AS_TEXT:
            	return "Display as text";
            case BTN_MF_EXPORT_BP_TO_FS:
            	return "Export to filesystem";
            case BTN_MF_VIEW_CONVERTED:
            	return "View converted";

            //#ifdef MUJMAIL_SEARCH	
            case BTN_SEA_NEW_SEARCH:
            	return "New search";
            case BTN_SEA_STOP_SEARCH:
            	return "Stop search";
            case BTN_SEA_ADD_NEW_PHRASE:
            	return "Add new search phrase";
            case BTN_SEA_SEARCH:
            	return "Search";
            //#endif

            //#ifdef MUJMAIL_FS
            case BTN_FS_CREATE_DIR:
            	return "Create directory";
            //#endif
            case BTN_ABT_FEEDBACK:
                return "Feedback";

            //#ifdef MUJMAIL_USR_FOLDERS
            case BTN_USR_FLD_ADD: 
                return "Add folder";
            //#endif
            
            
            case ALRT_WAIT:
                return "..please wait.";
            case ALRT_LOADING:
                return "Loading ";
            case ALRT_SAVING:
                return "Saving ";
            case ALRT_DELETING:
                return "Deleting ";
            case ALRT_BAD_EMAIL:
                return "Invalid email format.";
            case ALRT_SORTING:
                return "Sorting ";
            case ALRT_INITIATING:
                return "Initiating ";
            case ALRT_SYNCHRONIZING:
                return "Servers->InBox Synchronizing ";


            case ALRT_AS_NONEXIST:
                return "Account does not exist or is inactive";
            case ALRT_AS_NO_ACCOUNT_SET_ACTIVE:
                return "You have no account set or all accounts are inactive";
            case ALRT_AS_LOAD:
                return "Loading accounts";
            case ALRT_AS_ALREADY_EXITS:
                return "Account already exists: ";
            case ALRT_AS_SET_DEFAULT_ACCOUNT:
                return "Please set up an account for receiving emails.";

            case ALRT_ST_SAVING:
                return "Savings settings ";
            case ALRT_ST_LOADING:
                return "Loading settings ";

            case ALRT_SM_NO_RCP:
                return "No recipient specified.";
            case ALRT_SM_CAN_NOT_ATTACH_BODY:
                return "Mail body is empty or can not be attached.";

            case ALRT_INPL_NO_LONGER_ON_SERVER:
                return "The mail may be no longer on the server ";
            case ALRT_INPL_CHECK_MAILS:
                return "Checking mails for ";
            case ALRT_INPL_DEL_MAILS:
                return "Deleting mails from ";
            case ALRT_INPL_DOWN_MAIL:
                return "Downloading body for ";
            case ALRT_INPL_NEWMAILS:
                return "New mails for ";
            case ALRT_INPL_REDOWN_MAIL:
                return "Redownloading body for ";
            case ALRT_INPL_IMAP_CANNOT_SELECT_MAILBOX:
                return "Can not select mail box ";
            case ALRT_INPL_IMAP_UIDVALIDITY_DIFFERS:
                return "UIDVALIDITY of the mail box differs";
            case ALRT_INPL_IMAP_GETURL_NO_PAGE:
                return "Can not obtain www page";
            case ALRT_INPL_SAVE_SRV_SENT:
                return "Saving mail to server Sent "; 

            case ALRT_NEW_MAILS:
                return "New mails have arrived.";
            case ALRT_SYS_BUSY:
                return "Previous task still active. ";
            case ALRT_SYS_DEL_ALL_CONFIRM:
                return "Do you really want to clear the database?";
            case ALRT_SYS_NO_DBSPACE:
                return "Not enough of space on the device.";
            case ALRT_SYS_CHECK_COM_SETTINGS:
                return "Try to check account settings or network access.";
            case ALRT_SYS_SHUTDOWN_CONFIRM:
                return "Some tasks are still incomplete, are you sure to exit?";
            case ALRT_SYS_PROCESS_INTERRUPTED:
                return "The process was interreputed.";
            case ALRT_SYS_EXCEPTION_AROSED:
                return "An exception arosed.";
            case ALRT_SYS_LOW_MEMORY:
                return "Low memory";
            case ALRT_SYS_DEL_CONFIRM:
                return "Do you really want to delete ";
            case ALRT_SYS_TASK_FINISHED:
            	return "Task has finished";

            case ALRT_AD_LOAD:
                return "Loading addressbook ";
            case ALRT_AD_DELETE:
                return "Deleting addressbook ";

            case ALRT_MF_LOAD_BODY:
                return "Loading body ";
            case ALRT_MF_VIEW_ATT:
                return "Displaying bodypart ";
            case ALRT_MF_NO_TEXT:
                return "The mail has no text";
            case ALRT_MF_NO_ATTACHMENTS:
                return "The mail has no bodyparts";
            case ALRT_MF_DEL_ATT:
                return "Deleting attachments";
            case ALRT_MF_UNSUPPORTED_FORMAT:
                return "Unsupported or damaged email";
            case ALRT_MF_SAVE_CNTS:
                return "Saving addersses";
            case ALRT_MF_NO_VIEWABLE_BODY:
                return "The mail has no viewable body";
            case ALRT_MF_UNSUPPORTED_CONVERSION:
            	return "Unsupported conversion";

            case ALRT_PL_CONNECTING:
                return "Connecting to ";
            case ALRT_PL_CLOSING:
                return "Closing ";

            case ALRT_SMTP_SENDING:
                return "Sending mail ";
            
            case ALRT_MOB_JSR75:
                return "Your phone does not support file system access";

            case ALRT_MB_CREATING:
                return "User mailbox creating ";

            case EXP_COM_IN:
                return "100: Incomming communication problem ";
            case EXP_COM_OUT:
                return "100: Outgouing communication problem ";
            case EXP_COM_TIMEOUT:
                return "100: communication timeout ";
            case EXP_COM_HALTED:
                return "*communication interrupted ";
            case EXP_COM_UNKNOWN:
                return "100: unknown error while communicating with the server ";


            case EXP_DB_NOSPACE:
                return "100: not enough of space on the device.";
            case EXP_DB_CANNOT_CLEAR:
                return "100: can not deleted the database.";
            case EXP_DB_CANNOT_SAVE_BODY:
                return "100: can not save mail's body to the database ";
            case EXP_DB_CANNOT_UPDATE_HEADER:
                return "100: can not update mail's header to the database ";
            case EXP_DB_CANNOT_SAVE_HEADER:
                return "100: can not save mail's header to the database ";
            case EXP_DB_CANNOT_DEL_HEADER:
                return "100: can not delete the header from the database ";
            case EXP_DB_CANNOT_DEL_BODY:
                return "100: can not delete the body of the mail from the database ";
            case EXP_DB_CANNOT_DEL_MAIL:
                return "100: can not delete the mail from the database ";
            case EXP_DB_CANNOT_LOAD_BODY:
                return "100: can not load the body of the mail from the database ";
            case EXP_DB_CANNOT_LOAD_CONTACT:
                return "100: can not load a contact from the database ";
            case EXP_DB_CANNOT_SAVE_CONTACT:
                return "100: can not save the contact to the database ";
            case EXP_DB_CANNOT_DEL_CONTACT:
                return "100: can not delete the contact from the database ";
            case EXP_DB_CANNOT_LOAD_SETTINGS:
                return "100: can not load settings from the database.";
            case EXP_DB_CANNOT_SAVE_SETTINGS:
                return "100: can not save settings to the database.";
            case EXP_DB_CANNOT_LOAD_ACCOUNTS:
                return "100: can not load accounts";
            case EXP_DB_CANNOT_SAVE_ACCOUNT:
                return "100: can not save acount";
            case EXP_DB_CANNOT_DELETE_ACCOUNT:
                return "100: can not delete account";
            case EXP_DB_CANNOT_OPEN_DB:
                return "100: Can not open the database ";
            case EXP_DB_CANNOT_LOAD_HEADERS:
                return "100: Can not load headers from the database ";
            case EXP_DB_CANNOT_CLOSE_DB:
                return "100: Can not close the database ";
            case EXP_DB_CANNOT_SAVE_MSGID:
                return "100: Can not save message ID to the database";
            case EXP_DB_CANNOT_LOAD_MSGID:
                return "100: Can not load message IDs from the database";
            case EXP_DB_CANNOT_DEL_MSGID:
                return "100: Can not delete message ID from the database";
            case EXP_DB_CANNOT_SAVE:
                return "100: Can not save data into database";
            case EXP_DB_CANNOT_DEL:
                return "100: Can remove from database";

            case EXP_SYS_OUT_OF_MEMORY:
                return "100: not enough of RAM memmory.";
            case EXP_SYS_IMAGE_FAILED:
                return "100: Loading image failed.";

            case EXP_PROTOCOL_CANNOT_CONNECT:
                return "200: can not connect to the server ";
            case EXP_PROTOCOL_CANNOT_RETRIEVE_BODY:
                return "200: can not receive the body of the mail ";
            case EXP_PROTOCOL_COMMAND_NOT_EXECUTED:
                return "The protocol command was not correctly executed";
            case EXP_PROTOCOL_CANNOT_DELETE_MAILS:
                return "200: can not delete selected mails ";

            case EXP_VARIOUS_BAD_EMAIL:
                return "300: bad email format";
            case EXP_VARIOUS_AB_MULTIPLE_ENTRIES:
                return "300: the email already exists in Addressbook.";
            case EXP_VARIOUS_DECODE_ILLEGAL_MIME:
                return "100: the email contains illegal MIME characters.";

            //#ifdef MUJMAIL_FS
            case EXP_FS_IO_ERROR:
            	return "400: I/O error occurred.";
            case EXP_FS_FILE_EXISTS:
            	return "400: File already exists.";
            case EXP_FS_CLOSE_FILE:
            	return "400: Error occurred while closing file.";
            case EXP_FS_OPEN_FILE:
            	return "400: Error occurred while opening file.";
            case EXP_FS_FILE_READ_ERROR:
            	return "400: Error reading from file.";
            //#endif
        }

        return "Lingual code " + lang_code + " not defined.";

    }
}