// 
//  argent.js
//  argent
//  
//  Created by Lee Perry on 2009-07-15.
//  Copyright 2009 Lee Perry. All rights reserved.
// 


// Add monthly benefit
function addMonthlyBenefit () {
  var monthlyPayment = 0;
  var totalPayments = 0;

  
  var mortgage = parseFloat(document.getElementById('mortgage').value);  
  isNaN(mortgage) ? mortgage = 0 : totalPayments = mortgage;

  var contentsPayment = parseFloat(document.getElementById('contents_payment').value);  
  isNaN(contentsPayment) ? contentsPayment = 0 : totalPayments += contentsPayment;
  var lifeCover = parseFloat(document.getElementById('life_cover').value);  
  isNaN(lifeCover) ? lifeCover = 0 : totalPayments += lifeCover;

  var monthlyRental = parseFloat(document.getElementById('monthly_rental').value);  
  isNaN(monthlyRental) ? monthlyRental = 0 : totalPayments += monthlyRental;

  var monthlyLoan = parseFloat(document.getElementById('monthly_loan').value);  
  isNaN(monthlyLoan) ? monthlyLoan = 0 : totalPayments += monthlyLoan;
            
  // check if the extra twenty five percent is required
  if (isExtraRequired()) { 
    totalPayments += (totalPayments/4)    
  }

  monthlyPayment = Math.round(totalPayments * 100) / 100;

  document.getElementById('monthly_total').value = monthlyPayment; 
}


// Is the extra twenty five percent required
function isExtraRequired () {
  var grp = document.getElementById('extra_required_yes').checked;
  var result = false;
  if (grp) { result = true };

  return result;
}

// Add twenty five percent
function removeTwentyFivePercent () {
  var monthlyTotal = parseFloat(document.getElementById('monthly_total').value);
  var tfp = (monthlyTotal / 4);  
  var total = monthlyTotal - tfp;
  total = Math.round(total * 100) / 100
  document.getElementById('monthly_total').value = total; 
}

// Toggle submit button
function toggleSubmit (objRadio) {
  if(objRadio.checked) {
    document.getElementById('submit').disabled=false;
  } else {
    document.getElementById('submit').disabled=true;
  }
}