Reimplemented to forbid to run Lua background
Reimplemented to forbid to run Lua background

- f2bdfbd6272dde3bbc7cc10f7bfcb5a4010bece2 was disappeared.

hattya/nyagos,zetamatta/nyagos,nocd5/nyagos,hattya/nyagos,tyochiai/nyagos,kissthink/nyagos,kissthink/nyagos,kissthink/nyagos,tsuyoshicho/nyagos,hattya/nyagos