// Netactive JavaScript Document

function calculate(){
  var form = document.forms["calc"];

  var cost = Number(form.elements["cash"].value);
  cost += Number(form.elements["insurance"].value);
  cost += Number(form.elements["warranty"].value);
  cost += Number(form.elements["docfee"].value);

  var mthInt = Number(form.elements["rate"].value) / (100 * 12);
  var period = form.elements["term"].value;
  var mult = Math.pow(1 + mthInt, period);
  var repay = (cost * mult * mthInt) / (mult - 1);

  form.elements["cost"].value = cost;
  form.elements["repay"].value = repay.toFixed(2);
}

function openCalc() {
  window.open("index.php?section=42", "Vizion_Calc", "dialog=yes,width=520,height=500");
}