A SOOTHING panorama greets the visitor upon passing the three layers of eerie, giant iron doors of the Batu Prison on Nusakambangan prison island, off the coast from the south Central Java town of Cilacap. The tranquil view is dominated by a white-painted mosque, which covers a plot of land the size of a badminton court and looks stately in the middle of a row of convicts' cells. The mosque is an open construction, in the sense that it has no