function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
};
function update_number(input){
  var temp;

  if (input.value != null && input.value.length != 0)
    temp = "" + eval(input.value);
  else
    input.value = "0.00";
};
function binomial(a, n){
  var i;
  var sum, pow, term, cof;

  if(n < 0)
    return 1.0 / binomial(a, -n);

  sum = 1.0;
  pow = n;
  term = 1;
  cof = 1.0
  for(i = 1; i < 10; i++) {
    cof = cof * pow / i;
    pow = pow - 1.0;
    term = term * a;
    sum = sum + cof * term;
  }
  return sum;
};
function error(P, I, N, Y, M){
  var value;

  value = P - M * (1.0 - binomial(I / Y, -N)) / (I / Y);
  return value;
};
function compute_loan(form){
  var P, I, N, Y, M;

  if((form.rate.value.length == 0) ||
     (form.num.value.length == 0) ||
     (form.amount.value.length == 0))
    form.loan.value = "0.00";
  else {
    I = eval(form.rate.value) / 100.0;
    N = eval(form.num.value)*12;
    Y = 12;
    M = eval(form.amount.value);

    if(Y == 0.0)
      P = 0.0;
    else
      P = M * (1.0 - binomial(I / Y, -N)) / (I / Y);
      P = parseInt(P*100)
      P = P/100     
      form.loan.value = "" + Math.round(P*100)/100;
    }
};
function error(P, I, N, Y, M){
  var value;
  value = P - M * (1.0 - binomial(I / Y, -N)) / (I / Y);
  return value;
};
function compute_amount(form){
  var P, I, N, Y,M;
  if((form.loan.value.length == 0) ||
     (form.rate.value.length == 0) ||
     (form.num.value.length == 0))
    form.amount.value = "0.00";
  else {
    P = eval(form.loan.value)*1000;
    I = eval(form.rate.value) / 100.0;
    N = eval(form.num.value)*12;
    Y = 12;

    if(Y == 0.0)
      M = 0.0;
    else
      M = P * I / Y / (1.0 - binomial(I / Y, -N))/1000;
    form.amount.value = Math.round(M*100)/100;
  }
};
function binomial(a, n){
  var i;
  var sum, pow, term, cof;

  if(n < 0)
    return 1.0 / binomial(a, -n);

  sum = 1.0;
  pow = n;
  term = 1;
  cof = 1.0
  for(i = 1; i < 10; i++) {
    cof = cof * pow / i;
    pow = pow - 1.0;
    term = term * a;
    sum = sum + cof * term;
  }
  return sum;
};
function update_number(input){
  var temp;

  if (input.value != null && input.value.length != 0)
    temp = "" + eval(input.value);
  else
    input.value = "0.00";
};