def refresh_menu(req, cfg_timestamp):
""" refresh menu from db if timestamp is change """
global timestamp
global static_menu
check = check_timestamp(req, cfg_timestamp)
if check > timestamp: # if last load was in past to timestamp file
req.log_error("file timestamp is older, loading menu from DB...", state.LOG_INFO)
static_menu = MenuItem.get_menu(req)
timestamp = check
