/*---------------------------------
calculator.js
c.perpleplanet.com
c.2.05
-----------------------------------*/

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