uchar code rmsfactor[100]={255, 254, 253, 253, 252, 251, 250, 249, 248, 247,
							 246, 246, 244, 243, 242, 241, 240, 239, 238, 237,
							 235, 234, 233, 232, 230, 229, 228, 226, 225, 223,
							 222, 220, 219, 217, 216, 214, 213, 211, 209, 208,
						     206, 204, 202, 201, 199, 197, 195, 193, 192, 190,
							 188, 186, 184, 182, 180, 178, 176, 174, 172, 170,
							 168, 166, 164, 161, 159, 157, 155, 153, 151, 148,
							 146, 144, 142, 140, 137, 135, 133, 131, 128, 126,
							 124, 122, 119, 117, 115, 113, 110, 108, 106, 103,
							 101,  99,  97,  94,  92,  90,  88,  85,  83,  81 };