function NoiseB(fc_B) {

	NoiseB_PI = (Math.PI);
	NoiseB_fc1 =  fc_B.NoiseB_fc.value;
	Ans1 = NoiseB_fc1*(NoiseB_PI/2);
	Ans2 = Math.sqrt(Ans1);
        fc_B.B.value = Ans1;
	fc_B.sqrtB.value = Ans2;
	}