function CalculaParcela1(form)
 {
 var principal  = parseFloat(form.Entrada1.value);
 var taxa = parseFloat(form.Entrada2.value);
 var meses  = parseFloat(form.Entrada3.value);
 
 taxa = taxa/100;
 var jc = Math.pow((1 + taxa), meses);

  var jc12 = Math.pow((1 + taxa), 12);
  var jc24 = Math.pow((1 + taxa), 24);
  var jc36 = Math.pow((1 + taxa), 36);
  var jc48 = Math.pow((1 + taxa), 48);
  var jc60 = Math.pow((1 + taxa), 60);
  var jc72 = Math.pow((1 + taxa), 72);

  var k = (taxa*jc)  / (jc - 1);

  var k12 = (taxa*jc12)  / (jc12 - 1);
  var k24 = (taxa*jc24)  / (jc24 - 1);
  var k36 = (taxa*jc36)  / (jc36 - 1);
  var k48 = (taxa*jc48)  / (jc48 - 1);
  var k60 = (taxa*jc60)  / (jc60 - 1);
  var k72 = (taxa*jc72)  / (jc72 - 1);

  var parcela = k * principal;
  parcela = Math.round(parcela*100)/100;

  var p12 = k12 * principal;
  p12 = Math.round(p12*100)/100;

  var p24 = k24 * principal;
  p24 = Math.round(p24*100)/100;

  var p36 = k36 * principal;
  p36 = Math.round(p36*100)/100;

  var p48 = k48 * principal;
  p48 = Math.round(p48*100)/100;

  var p60 = k60 * principal;
  p60 = Math.round(p60*100)/100;

  var p72 = k72 * principal;
  p72 = Math.round(p72*100)/100;


  form.Saida1.value=parcela; 
  form.Saida2.value=p12;
  form.Saida3.value=p24;
  form.Saida4.value=p36;
  form.Saida5.value=p48;
  form.Saida6.value=p60;
  form.Saida7.value=p72;
return;
}

function CalculaParcela(form, button) 
 {CalculaParcela1(form); return; }