if not os.path.isdir(ROOT): raise Exception,"Cannot find ROOT %s for unfold"%ROOT
if not os.path.isdir(HTTPROOT): raise Exception,"Cannot find HTTPROOT %s for unfold"%HTTPROOT
if not os.path.isdir(ROOT): raise Exception,"Cannot find ROOT %s for unfold"%ROOT
if not os.path.isdir(HTTPROOT): raise Exception,"Cannot find HTTPROOT %s for unfold"%HTTPROOT