function CalcularPivot() 
{
	var F = document.forexpivot;
	var pivot,re1,re2,re3,su1,su2,su3,High,Close,Low;
	High=parseFloat(F.H.value);
	Low=parseFloat(F.L.value);
	Close=parseFloat(F.C.value);
			
	pivot= (1*High+1*Low+1*Close)/3;
	re1 = 2*pivot-Low;
	su1 = 2*pivot-High;
	re2 = pivot+(re1-su1);
	su2 = pivot-(re1-su1);
	re3 = High+2*(pivot-Low);
	su3 = Low-2*(High-pivot);
			
	F.P.value= Math.round(pivot*10000)/10000;
	F.R1.value= Math.round(re1*10000)/10000;
	F.S1.value= Math.round(su1*10000)/10000;
	F.R2.value= Math.round(re2*10000)/10000;
	F.S2.value= Math.round(su2*10000)/10000;
	F.R3.value= Math.round(re3*10000)/10000;
	F.S3.value= Math.round(su3*10000)/10000;
	return;
}