<!--
function floor(number)

{

  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);

}



function dosum()

{

  var mi = document.calc.IR.value / 1200;

  var base = 1;

  var mbase = 1 + mi;

  for (i=0; i<document.calc.YR.value * 12; i++)

  {

    base = base * mbase

  }

  document.calc.PI.value = floor(document.calc.LA.value * mi / ( 1 - (1/base)))

  document.calc.MT.value = floor(document.calc.AT.value / 12)

  document.calc.MI.value = floor(document.calc.AI.value / 12)

  var dasum = document.calc.LA.value * mi / ( 1 - (1/base)) +

        document.calc.AT.value / 12 + 

        document.calc.AI.value / 12;

  document.calc.MP.value = floor(dasum);

}
-->