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index.html
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index.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Home Loan Interest Calculator and Amortization Schedule Calculator</title>
<link rel="stylesheet" type="text/css" href="css/view.css" media="all">
<script type="text/javascript" src="js/view.js"></script>
<script type="text/javascript" src="js/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="js/calculations.js"></script>
<script type="text/javascript" src="js/calendar.js"></script>
<script type="text/javascript" src="js/jquery.validate.min.js"></script>
<script type="text/javascript" src="js/json2.js"></script>
<script type="text/javascript" src="js/jstorage.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
preloadLocalValues();
GeneratePrepaymentList("divPrepaymentList");
});
// Defining an array of prepayment objects
function btnAddPrepayment_Click() {
if ($("#form2").valid() == false) {
return;
}
var dd = $("#element_6_1").val();
var mm = $("#element_6_2").val();
var yy = $("#element_6_3").val();
var dt = new Date(yy, (mm - 1), dd, 0, 0, 0, 0);
var typeOfChange = $("#element_8").val();
var valueOfChange = $("#element_7").val();
AddPrePayment(dt, typeOfChange, valueOfChange);
GeneratePrepaymentList("divPrepaymentList");
return false;
}
function btnCalculate_Click() {
if ($("#form1").valid() == false) {
return;
}
var dd = $("#element_4_1").val();
var mm = $("#element_4_2").val();
var yy = $("#element_4_3").val();
var dt = new Date(yy, (mm - 1), dd, 0, 0, 0, 0);
// Getting the principal amount
var p = Number($("#element_1").val());
var n = Number($("#element_3").val());
var i = Number($("#element_2").val());
// Saving to local cache
saveValuesToLS(p, n, i, dt);
CalculateStuff(p, n, i, dt);
}
function saveValuesToLS(pa, nom, roi, sd) {
$.jStorage.set("pa", pa);
$.jStorage.set("nom", nom);
$.jStorage.set("roi", roi);
$.jStorage.set("dd", sd.getDate());
$.jStorage.set("mm", sd.getMonth());
$.jStorage.set("yy", sd.getFullYear());
$.jStorage.set("pp", PRE_PAYMENTS);
}
function preloadLocalValues() {
var pa = $.jStorage.get("pa", 100000);
var nom = $.jStorage.get("nom", 240);
var roi = $.jStorage.get("roi", 11);
var dt = new Date();
var dd = $.jStorage.get("dd", 01);
var mm = $.jStorage.get("mm", Number(dt.getMonth()) + 1);
var yy = $.jStorage.get("yy", dt.getFullYear());
var sd = new Date(yy, mm, dd, 0, 0, 0);
PRE_PAYMENTS = $.jStorage.get("pp", new Array());
for (var i = 0; i < PRE_PAYMENTS.length; i++) {
PRE_PAYMENTS[i].dateOfChange = new Date(PRE_PAYMENTS[i].dateOfChange);
PRE_PAYMENTS[i].valueOfChange = Number(PRE_PAYMENTS[i].valueOfChange);
}
$("#element_1").val(pa);
$("#element_2").val(roi);
$("#element_3").val(nom);
$("#element_4_1").val(sd.getDate());
$("#element_4_2").val(sd.getMonth() + 1);
$("#element_4_3").val(sd.getFullYear());
}
function clearLS() {
$.jStorage.flush();
alert("Local storage cleared. The page will now refresh.");
location.reload(true);
}
</script>
</head>
<body id="main_body">
<img id="top" src="images/top.png" alt="">
<div id="form_container">
<h1><a>Amortization Schedule Calculator</a></h1>
<h1><a>Home Loan Interest Calculator</a></h1>
<form id="form1" class="appnitro" method="post" action="">
<div class="form_description" style="border-bottom: none">
<h2>Amortization Schedule Calculator</h2>
<h2>Home Loan Interest Calculator</h2>
<p>This tool will generate a table of payments and take into account pre payments made and rate of interest changes.</p>
<p>I have put this up in my spare time. To get in touch: <a href="https://docs.google.com/forms/d/1YJGjgOpoRcUaPppdA4pnYq_zZGw6wWAevRu4dyzzkrw/viewform" target="_blank">Click Here</a></p>
</div>
<ul>
<li class="section_break">
<h3>A. Basic Loan Details</h3>
<p>Add basic details of your loan here. EMI is calculated for you.</p>
</li>
<li id="li_1">
<label class="description" for="element_1">Principal Amount </label>
<div>
<input id="element_1" name="element_1" class="element text medium" type="number" maxlength="255" value="" required />
</div>
</li>
<li id="li_2">
<label class="description" for="element_2">Rate of Interest (Annual) </label>
<div>
<input id="element_2" name="element_2" class="element text small" type="number" maxlength="255" value="" required />
</div>
</li>
<li id="li_3">
<label class="description" for="element_3">Number of Months</label>
<div>
<input id="element_3" name="element_3" class="element text small" type="number" maxlength="255" value="" required />
</div>
</li>
<li id="li_4">
<label class="description" for="element_4">Loan Start Date </label>
<span>
<input id="element_4_1" name="element_4_1" class="element text" size="2" maxlength="2" value="" type="digits" required>
/
<label for="element_4_1">DD</label>
</span>
<span>
<input id="element_4_2" name="element_4_2" class="element text" size="2" maxlength="2" value="" type="digits" required>
/
<label for="element_4_2">MM</label>
</span>
<span>
<input id="element_4_3" name="element_4_3" class="element text" size="4" maxlength="4" value="" type="digits" required>
<label for="element_4_3">YYYY</label>
</span>
<span id="calendar_4">
<img id="cal_img_4" class="datepicker" src="images/calendar.gif" alt="Pick a date.">
</span>
<script type="text/javascript">
Calendar.setup({
inputField: "element_4_3",
baseField: "element_4",
displayArea: "calendar_4",
button: "cal_img_4",
ifFormat: "%B %e, %Y",
onSelect: selectEuropeDate
});
</script>
</li>
</ul>
</form>
<form id="form2" class="appnitro" method="post" action="">
<ul>
<li class="section_break">
<h3>B. Prepayments and Rate of Interest Changes</h3>
<p>If you have made any pre payments or change of EMI / interest, add them here to recalculate amortization schedule.</p>
</li>
<li id="li_6">
<label class="description" for="element_6">Date of Prepayment / Interest Change </label>
<span>
<input id="element_6_1" name="element_6_1" class="element text" size="2" maxlength="2" value="" type="digits" required>
/
<label for="element_6_1">DD</label>
</span>
<span>
<input id="element_6_2" name="element_6_2" class="element text" size="2" maxlength="2" value="" type="digits" required>
/
<label for="element_6_2">MM</label>
</span>
<span>
<input id="element_6_3" name="element_6_3" class="element text" size="4" maxlength="4" value="" type="digits" required>
<label for="element_6_3">YYYY</label>
</span>
<span id="calendar_6">
<img id="cal_img_6" class="datepicker" src="images/calendar.gif" alt="Pick a date.">
</span>
<script type="text/javascript">
Calendar.setup({
inputField: "element_6_3",
baseField: "element_6",
displayArea: "calendar_6",
button: "cal_img_6",
ifFormat: "%B %e, %Y",
onSelect: selectEuropeDate
});
</script>
<p class="guidelines" id="guide_6"><small>Enter the date on which the prepayment amount was credited or the rate of interest change was applicable</small></p>
</li>
<li id="li_8">
<label class="description" for="element_8">Type of Change </label>
<div>
<select class="element select medium" id="element_8" name="element_8">
<option value="ONE_TIME" selected="selected">One time Prepayment</option>
<option value="EMI_CHANGE">Change in EMI</option>
<option value="ROI_CHANGE">Change in Rate of Interest</option>
</select>
</div>
</li>
<li id="li_7">
<label class="description" for="element_7">Value</label>
<div>
<input id="element_7" name="element_7" class="element text medium" type="number" maxlength="255" value="" required />
</div>
<p class="guidelines" id="guide_7"><small>Enter the value of prepayment amount, new EMIs being paid or new rate of interest.</small></p>
</li>
<li class="buttons">
<input type="hidden" name="form_id" value="630635" />
<input id="btnAddPrepayment" class="button_text" type="button" name="btnAddPrepayment" value="Add Prepayment" onclick="return btnAddPrepayment_Click(); return false;" />
</li>
</ul>
<div style="page-break-after: always"></div>
<li>
<div id="divPrepaymentList"></div>
</li>
<hr />
<li class="buttons">
<input id="btnCalculate" class="button_text" type="button" name="btnCalculate" value="Calculate Mortgage and Amortization Schedule" onclick="return btnCalculate_Click(); return false;" />
</li>
<li>
<div id="divResultsSummary" style="padding-top: 10px"></div>
</li>
<li class="section_break">
<h3>Calculations</h3>
</li>
<div id="divResults" style="padding-top: 10px"></div>
<hr/>
</form>
<div id="footer">
Form layout designed by <a target="_blank" href="http://www.phpform.org">pForm</a> | Amortization Formulae by <a target="_blank" href="http://www.hughchou.org/calc/formula.html">Hugh Chou</a> | Project is now available on <a href="https://github.com/saurabhj/amortization-scheduler" target="_blank">GitHub</a>
<br />
<p>
<strong>Disclaimer</strong><br />
To make it easy for you to retain values, I store the values you enter into your own brower's local storage.
<br />
<a href="javascript:" onclick="return clearLS();">Click here</a> to clear your local storage.
</p>
<p>
<strong>Disclaimer 2</strong><br />
While I have tried my best to maintain accuracy in my calculations and formulae, please use your best judgement in matters of finance.
I cannot be help responsible for any loss or damages you encounter due to using of this tool.
</p>
</div>
</div>
<img id="bottom" src="images/bottom.png" alt="">
<script>
(function (i, s, o, g, r, a, m) {
i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () {
(i[r].q = i[r].q || []).push(arguments)
}, i[r].l = 1 * new Date(); a = s.createElement(o),
m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g; m.parentNode.insertBefore(a, m)
})(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');
ga('create', 'UA-44237555-1', 'calculatehomeloaninterest.com');
ga('send', 'pageview');
</script>
</body>
</html>