if app.ENABLE_EXTEND_INVEN_SYSTEM:
		def UpdateInven(self):
			page = self.inventoryPageIndex
			for i in xrange(9):
				inv_plus = player.GetEnvanter() + i
				inv_pluss = player.GetEnvanter() - i
				if page == 2:
					if player.GetEnvanter() > 8:
						self.EX_INVEN_COVER_IMG_OPEN[i].Hide()
						self.EX_INVEN_COVER_IMG_CLOSE[i].Hide()
					else:
						self.EX_INVEN_COVER_IMG_OPEN[player.GetEnvanter()].Show()
						self.EX_INVEN_COVER_IMG_CLOSE[player.GetEnvanter()].Hide()
						if inv_pluss >= 0:
							self.EX_INVEN_COVER_IMG_OPEN[inv_pluss].Hide()
							self.EX_INVEN_COVER_IMG_CLOSE[inv_pluss].Hide()
						if inv_plus < 9:
							self.EX_INVEN_COVER_IMG_CLOSE[inv_plus].Show()
							self.EX_INVEN_COVER_IMG_OPEN[inv_plus].Hide()
				elif page == 3:
					if player.GetEnvanter() < 9:
						self.EX_INVEN_COVER_IMG_OPEN[i].Hide()
						self.EX_INVEN_COVER_IMG_CLOSE[i].Show()
					elif player.GetEnvanter() > 17:
						self.EX_INVEN_COVER_IMG_OPEN[i].Hide()
						self.EX_INVEN_COVER_IMG_CLOSE[i].Hide()
					else:
						self.EX_INVEN_COVER_IMG_OPEN[player.GetEnvanter()-9].Show()
						self.EX_INVEN_COVER_IMG_CLOSE[player.GetEnvanter()-9].Hide()
						if inv_pluss >= 0:
							self.EX_INVEN_COVER_IMG_OPEN[inv_pluss-9].Hide()
						if inv_plus < 18:
							self.EX_INVEN_COVER_IMG_CLOSE[inv_plus-9].Show()
				else:
					self.EX_INVEN_COVER_IMG_OPEN[i].Hide()
					self.EX_INVEN_COVER_IMG_CLOSE[i].Hide()