var DollarTimesWidget = function() {
  document.getElementById("dollartimes-investment-rate-of-return-widget").innerHTML = '  <div class="dollar-times-widget">     <div class="desktop">        <div class="investment-return-calc widget-content">   <div class="widget-head font-20">Investment Yield Calculator</div>   <div class="widget-blurb">What percent, per year, did your<br>investment grow?</div>   <div class="calc-content">    <div class="calc-box">     <table class="calc-table">      <tr>       <td>Purchase Price</td>       <td><input class="dt-form-control width-100" type="text" value="20,000" id="dollartimes-investment-return-purchase-price"></td>      </tr>      <tr>       <td>Purchase Date</td>       <td>        <select class="dt-form-control width-60" id="dollartimes-investment-return-purchase-month">         <option value="0">Jan</option>         <option value="1">Feb</option>         <option value="2">Mar</option>         <option value="3">Apr</option>         <option value="4">May</option>         <option value="5">Jun</option>         <option value="6">Jul</option>         <option value="7">Aug</option>         <option value="8">Sep</option>         <option value="9">Oct</option>         <option value="10">Nov</option>         <option value="11">Dec</option>        </select>        <input class="dt-form-control width-30 center-text pad-2" type="text" value="1" id="dollartimes-investment-return-purchase-day">        <input class="dt-form-control width-60 center-text" type="text" value="2000" id="dollartimes-investment-return-purchase-year">       </td>      </tr>      <tr>       <td>Sale Price</td>       <td><input class="dt-form-control width-100" type="text" value="60,000" id="dollartimes-investment-return-sale-price"></td>      </tr>      <tr>       <td>Sale Date</td>       <td>        <select class="dt-form-control width-60" id="dollartimes-investment-return-sale-month">         <option value="0">Jan</option>         <option value="1">Feb</option>         <option value="2">Mar</option>         <option value="3">Apr</option>         <option value="4">May</option>         <option value="5">Jun</option>         <option value="6">Jul</option>         <option value="7">Aug</option>         <option value="8">Sep</option>         <option value="9">Oct</option>         <option value="10">Nov</option>         <option value="11">Dec</option>        </select>        <input class="dt-form-control width-30 center-text pad-2" type="text" value="1" id="dollartimes-investment-return-sale-day">        <input class="dt-form-control width-60 center-text" type="text" value="2000" id="dollartimes-investment-return-sale-year">       </td>      </tr>      <tr class="button-row">       <td colspan="2">        <button class="blue-button" id="dollartimes-investment-return-go">Calculate</button>        <div class="appear-below">(results appear below)</div>       </td>      </tr>     </table>    </div>    <div class="calc-results-outer">     <div class="calc-results" id="dollartimes-investment-return-results"></div>    </div>   </div>   <div class="on-site-link">    <a href="https://www.dollartimes.com/calculators/investment-rate-of-return">Investment Rate of Return Calculator</a>   </div>  </div>     </div>   </div>';
  var css = '.dollar-times-widget * {  font-family: Verdana, Helvetica;  box-sizing: border-box;  color: #333; }.dollar-times-widget a {  text-decoration: none;  color: #3333ff; }.dollar-times-widget a:hover {  text-decoration: underline;}.dollar-times-widget h1, .dollar-times-widget h2, .dollar-times-widget h3, .dollar-times-widget h4, .dollar-times-widget h5, .dollar-times-widget h6 {  margin: 0;  padding: 0; }.dollar-times-widget table {  border-spacing: 0px;  border-collapse: collapse; }.dollar-times-widget .dt-form-control-sm {  height: 26px;  padding: 2px 6px;  color: #555;  border: 1px solid #CCC;  border-radius: 4px;  box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.075) inset;  transition: border-color 0.15s ease-in-out 0s, box-shadow 0.15s ease-in-out 0s; }  .dollar-times-widget .dt-form-control-sm:focus {    border-color: #66AFE9;    outline: 0px none;    box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.075) inset, 0px 0px 8px rgba(102, 175, 233, 0.6); }  .dollar-times-widget .dt-form-control-sm:disabled {    background-color: #eee;    color: #ccc; }.dollar-times-widget .dt-form-control {  height: 34px;  padding: 6px 12px;  color: #555;  border: 1px solid #CCC;  border-radius: 4px;  box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.075) inset;  transition: border-color 0.15s ease-in-out 0s, box-shadow 0.15s ease-in-out 0s; }  .dollar-times-widget .dt-form-control:focus {    border-color: #66AFE9;    outline: 0px none;    box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.075) inset, 0px 0px 8px rgba(102, 175, 233, 0.6); }  .dollar-times-widget .dt-form-control:disabled {    background-color: #eee;    color: #ccc; }.dollar-times-widget button {  padding: 6px 12px;  margin-bottom: 0px;  font-size: 14px;  font-weight: 400;  line-height: 1.42857;  text-align: center;  vertical-align: middle;  cursor: pointer;  border: 1px solid transparent;  border-radius: 4px;  background-color: #ddd; }  .dollar-times-widget button:hover {    background-color: #ccc; }  .dollar-times-widget button:disabled {    background-color: #eee;    color: #ccc; }    .dollar-times-widget button:disabled:hover {      background-color: #eee; }.dollar-times-widget .btn-small {  padding: 2px 6px;  font-size: 13px; }.dollar-times-widget .btn-primary {  color: #FFF;  background-color: #337AB7; }  .dollar-times-widget .btn-primary:hover {    background-color: #286090; }.dollar-times-widget .btn-success {  color: #FFF;  background-color: #5cb85c; }  .dollar-times-widget .btn-success:hover {    background-color: #449d44; }.dollar-times-widget .btn-danger {  color: #FFF;  background-color: #d9534f; }  .dollar-times-widget .btn-danger:hover {    background-color: #c9302c; }.dollar-times-widget .blue-button {  background-color: #4d90fe;  color: white; }  .dollar-times-widget .blue-button:hover {    background-color: #4482e6; }.dollar-times-widget .clear-fix:after {  content: "";  display: table;  clear: both; }.calc-page .calc-box, .dollar-times-widget .calc-box, .expanded-calc-page-2 .calc-box {  padding: 10px 0 15px;  font-size: 14px; }.calc-page .calc-table, .dollar-times-widget .calc-table, .expanded-calc-page-2 .calc-table {  margin: 0 auto; }  .calc-page .calc-table input, .dollar-times-widget .calc-table input, .expanded-calc-page-2 .calc-table input {    font-size: 16px;    padding: 6px 6px; }  .calc-page .calc-table select, .dollar-times-widget .calc-table select, .expanded-calc-page-2 .calc-table select {    font-size: 16px; }  .calc-page .calc-table td, .dollar-times-widget .calc-table td, .expanded-calc-page-2 .calc-table td {    padding: 8px 5px;    vertical-align: middle; }  .calc-page .calc-table .right-cell, .dollar-times-widget .calc-table .right-cell, .expanded-calc-page-2 .calc-table .right-cell {    text-align: right; }  .calc-page .calc-table .unit-cell, .dollar-times-widget .calc-table .unit-cell, .expanded-calc-page-2 .calc-table .unit-cell {    padding-right: 0;    text-align: right; }  .calc-page .calc-table .cell-label, .dollar-times-widget .calc-table .cell-label, .expanded-calc-page-2 .calc-table .cell-label {    padding: 0 0 3px 0;    font-weight: bold; }.calc-page .button-row, .dollar-times-widget .button-row, .expanded-calc-page-2 .button-row {  padding: 10px 0 0 0; }  .calc-page .button-row button, .dollar-times-widget .button-row button, .expanded-calc-page-2 .button-row button {    width: 100%;    border-radius: 5px;    font-size: 16px; }  .calc-page .button-row .appear-below, .dollar-times-widget .button-row .appear-below, .expanded-calc-page-2 .button-row .appear-below {    margin-top: 5px;    font-size: 80%;    text-align: center; }.calc-page .txt-90, .dollar-times-widget .txt-90, .expanded-calc-page-2 .txt-90 {  font-size: 90%; }.calc-page .txt-80, .dollar-times-widget .txt-80, .expanded-calc-page-2 .txt-80 {  font-size: 80%; }.calc-page .txt-120b, .dollar-times-widget .txt-120b, .expanded-calc-page-2 .txt-120b {  font-size: 120%;  font-weight: bold; }.calc-page .calc-results, .calc-page .inline-calc-results, .dollar-times-widget .calc-results, .dollar-times-widget .inline-calc-results, .expanded-calc-page-2 .calc-results, .expanded-calc-page-2 .inline-calc-results {  font-size: 14px;  word-wrap: break-word;  display: none; }  .calc-page .calc-results .error, .calc-page .inline-calc-results .error, .dollar-times-widget .calc-results .error, .dollar-times-widget .inline-calc-results .error, .expanded-calc-page-2 .calc-results .error, .expanded-calc-page-2 .inline-calc-results .error {    color: red; }  .calc-page .calc-results p:first-child, .calc-page .inline-calc-results p:first-child, .dollar-times-widget .calc-results p:first-child, .dollar-times-widget .inline-calc-results p:first-child, .expanded-calc-page-2 .calc-results p:first-child, .expanded-calc-page-2 .inline-calc-results p:first-child {    margin-top: 0; }  .calc-page .calc-results p:last-child, .calc-page .inline-calc-results p:last-child, .dollar-times-widget .calc-results p:last-child, .dollar-times-widget .inline-calc-results p:last-child, .expanded-calc-page-2 .calc-results p:last-child, .expanded-calc-page-2 .inline-calc-results p:last-child {    margin-bottom: 0; }  .calc-page .calc-results .dt-results-table, .calc-page .inline-calc-results .dt-results-table, .dollar-times-widget .calc-results .dt-results-table, .dollar-times-widget .inline-calc-results .dt-results-table, .expanded-calc-page-2 .calc-results .dt-results-table, .expanded-calc-page-2 .inline-calc-results .dt-results-table {    display: table;    border-collapse: collapse; }  .calc-page .calc-results .dt-results-row, .calc-page .inline-calc-results .dt-results-row, .dollar-times-widget .calc-results .dt-results-row, .dollar-times-widget .inline-calc-results .dt-results-row, .expanded-calc-page-2 .calc-results .dt-results-row, .expanded-calc-page-2 .inline-calc-results .dt-results-row {    display: table-row; }  .calc-page .calc-results .dt-results-cell, .calc-page .inline-calc-results .dt-results-cell, .dollar-times-widget .calc-results .dt-results-cell, .dollar-times-widget .inline-calc-results .dt-results-cell, .expanded-calc-page-2 .calc-results .dt-results-cell, .expanded-calc-page-2 .inline-calc-results .dt-results-cell {    display: table-cell;    border: 1px solid #ccc;    background-color: #fff;    padding: 3px 8px;    text-align: center; }  .calc-page .calc-results .dt-results-head, .calc-page .inline-calc-results .dt-results-head, .dollar-times-widget .calc-results .dt-results-head, .dollar-times-widget .inline-calc-results .dt-results-head, .expanded-calc-page-2 .calc-results .dt-results-head, .expanded-calc-page-2 .inline-calc-results .dt-results-head {    font-weight: bold; }  .calc-page .calc-results .dt-right-cell, .calc-page .inline-calc-results .dt-right-cell, .dollar-times-widget .calc-results .dt-right-cell, .dollar-times-widget .inline-calc-results .dt-right-cell, .expanded-calc-page-2 .calc-results .dt-right-cell, .expanded-calc-page-2 .inline-calc-results .dt-right-cell {    text-align: right; }.calc-page .inline-calc-results, .dollar-times-widget .inline-calc-results, .expanded-calc-page-2 .inline-calc-results {  margin-top: 25px; }.calc-page .lineh-15, .dollar-times-widget .lineh-15, .expanded-calc-page-2 .lineh-15 {  line-height: 1.5em; }.calc-page .font-16, .dollar-times-widget .font-16, .expanded-calc-page-2 .font-16 {  font-size: 16px; }.calc-page .font-18, .dollar-times-widget .font-18, .expanded-calc-page-2 .font-18 {  font-size: 18px; }.calc-page .center-text, .dollar-times-widget .center-text, .expanded-calc-page-2 .center-text {  text-align: center; }.calc-page .right-text, .dollar-times-widget .right-text, .expanded-calc-page-2 .right-text {  text-align: right; }.calc-page .width-190, .dollar-times-widget .width-190, .expanded-calc-page-2 .width-190 {  width: 190px; }.calc-page .width-150, .dollar-times-widget .width-150, .expanded-calc-page-2 .width-150 {  width: 150px; }.calc-page .width-120, .dollar-times-widget .width-120, .expanded-calc-page-2 .width-120 {  width: 120px; }.calc-page .width-110, .dollar-times-widget .width-110, .expanded-calc-page-2 .width-110 {  width: 110px; }.calc-page .width-100, .dollar-times-widget .width-100, .expanded-calc-page-2 .width-100 {  width: 100px; }.calc-page .width-90, .dollar-times-widget .width-90, .expanded-calc-page-2 .width-90 {  width: 90px; }.calc-page .width-80, .dollar-times-widget .width-80, .expanded-calc-page-2 .width-80 {  width: 80px; }.calc-page .width-70, .dollar-times-widget .width-70, .expanded-calc-page-2 .width-70 {  width: 70px; }.calc-page .width-60, .dollar-times-widget .width-60, .expanded-calc-page-2 .width-60 {  width: 60px; }.calc-page .width-50, .dollar-times-widget .width-50, .expanded-calc-page-2 .width-50 {  width: 50px; }.calc-page .width-40, .dollar-times-widget .width-40, .expanded-calc-page-2 .width-40 {  width: 40px; }.calc-page .width-30, .dollar-times-widget .width-30, .expanded-calc-page-2 .width-30 {  width: 30px; }.calc-page .pad-2, .dollar-times-widget .pad-2, .expanded-calc-page-2 .pad-2 {  padding-left: 2px;  padding-right: 2px; }.phone .calc-page .calc-box, .phone .dollar-times-widget .calc-box {  width: 100%; }.desktop .calc-page .calc-box, .desktop .dollar-times-widget .calc-box {  width: 300px; }.phone .dt-desktop-only, .dollar-times-widget .dt-desktop-only {  display: none !important; }.phone .dt-results-table, .dollar-times-widget .dt-results-table {  width: 100%; }.phone .calc-results-outer, .dollar-times-widget .calc-results-outer {  display: block; }.phone .unit-calc .calc-results, .dollar-times-widget .unit-calc .calc-results {  text-align: center; }.calc-page .hms-calc td, .calc-page .timesheet-calc td, .dollar-times-widget .hms-calc td, .dollar-times-widget .timesheet-calc td {  text-align: center;  padding: 10px 4px 0 4px; }  .calc-page .hms-calc td .remove-row, .calc-page .timesheet-calc td .remove-row, .dollar-times-widget .hms-calc td .remove-row, .dollar-times-widget .timesheet-calc td .remove-row {    display: none;    padding: 2px 5px;    font-weight: bold;    background-color: transparent; }    .calc-page .hms-calc td .remove-row:hover, .calc-page .timesheet-calc td .remove-row:hover, .dollar-times-widget .hms-calc td .remove-row:hover, .dollar-times-widget .timesheet-calc td .remove-row:hover {      background-color: #ccc; }.calc-page .hms-calc #dollartimes-timesheet-function-row td, .calc-page .hms-calc #dollartimes-hms-function-row td, .calc-page .timesheet-calc #dollartimes-timesheet-function-row td, .calc-page .timesheet-calc #dollartimes-hms-function-row td, .dollar-times-widget .hms-calc #dollartimes-timesheet-function-row td, .dollar-times-widget .hms-calc #dollartimes-hms-function-row td, .dollar-times-widget .timesheet-calc #dollartimes-timesheet-function-row td, .dollar-times-widget .timesheet-calc #dollartimes-hms-function-row td {  padding: 20px 4px 0; }.calc-page .swap-link, .dollar-times-widget .swap-link {  cursor: pointer;  color: #0000ff; }.calc-page .tip-calc .calc-results .tip-table, .dollar-times-widget .tip-calc .calc-results .tip-table {  display: table;  margin: 0 auto; }.calc-page .tip-calc .calc-results .row, .dollar-times-widget .tip-calc .calc-results .row {  display: table-row; }.calc-page .tip-calc .calc-results .cell, .dollar-times-widget .tip-calc .calc-results .cell {  display: table-cell;  text-align: right;  padding: 0 5px 10px; }.calc-page .temperature-calc .calc-results, .dollar-times-widget .temperature-calc .calc-results {  display: block; }.desktop .timesheet-calc td input, .desktop .timesheet-calc td select {  font-size: 14px; }.dollar-times-widget {  overflow: hidden; }  .dollar-times-widget .widget-head {    font-size: 24px;    text-align: center; }  .dollar-times-widget .widget-content {    background-color: #DAE6F2;    border-radius: 5px;    padding: 10px 0; }  .dollar-times-widget .on-site-link {    padding: 10px 0;    font-size: 12px;    text-align: center; }  .dollar-times-widget .widget-blurb {    text-align: center;    padding: 5px 10px 0;    font-style: italic;    font-size: 12px; }  .dollar-times-widget .calc-results {    padding: 0 15px 10px; }  .dollar-times-widget .phone .widget-content {    width: 100%; }  .dollar-times-widget .desktop .widget-content {    width: 300px; }  .dollar-times-widget .font-18 {    font-size: 18px; }  .dollar-times-widget .font-20 {    font-size: 20px; }  .dollar-times-widget .font-22 {    font-size: 22px; }#dollartimes-percentage-widget .pct-head {  font-weight: bold;  padding: 0 0 10px 0; }#dollartimes-percentage-widget .pct-results {  padding: 10px 0 0; }#dollartimes-percentage-widget .pct-section {  padding-top: 10px; }  #dollartimes-percentage-widget .pct-section:nth-child(1) {    padding-bottom: 15px; }';
  var head = document.getElementsByTagName('head')[0];
  var style = document.createElement('style');
  style.type = 'text/css';
  style.appendChild(document.createTextNode(css));
  head.appendChild(style);
}();
	var DollarTimes = function() {
		var getNumDisplay = function(x) {
	if (Math.abs(x) < 1.0) {
		var e = parseInt(x.toString().split('e-')[1]);
		if (e) {
			x *= Math.pow(10,e-1);
			x = '0.' + (new Array(e)).join('0') + x.toString().substring(2);
		}
	} else {
		var e = parseInt(x.toString().split('+')[1]);
		if (e > 20) {
			e -= 20;
			x /= Math.pow(10,e);
			x += (new Array(e+1)).join('0');
		}
	}
	return x.toString();
};

var commafy = function(x) {
	x = getNumDisplay(x);
	var parts = x.split('.');
	parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
	if ( parts.length > 1 ) {
		return parts[0] + "." + parts[1];
	}
	return parts[0];
};

var displayWholeNumber = function(n) {
	var n = commafy(n.toFixed(0));
	if ( n == "-0") {
		n = "0";
	}
	return n.toString();	
}

var displayDollars = function(n) {
	return "$" + displayWholeNumber(n);
};

var displayCents = function(n) {
	var n = commafy(n.toFixed(2));
	if ( n == "-0.00") {
		n = "0.00";
	}
	return "$" + n.toString();
};	

var calcPayment = function(loan, months, rate) {
	var mRate = rate / 1200;
	var payment;

	// interest only
	if ( months == -1 ) {
		return loan * mRate;
	}

	if ( rate == 0 ) {
		payment = loan / months;
	}
	else {
		var factor = Math.pow(1 + mRate, months );
		payment = loan * ( mRate / (1 - 1/factor) );
	}
	return payment;
};

var fixNumber = function(str) {
	str = str.replace(/,/g, "");
	str = str.replace(/^\$/, "");
	str = str.replace(/%$/, "");
	return str;
};

var getFloat = function(el, errMsg) {
	var str = document.getElementById(el).value
	str = fixNumber(str);
	val = parseFloat(str);
	if ( isNaN(val) ) {
		throw errMsg;
	}
	return val;
};

var condition = function(x, errMsg) {
	if ( !x ) {
		throw errMsg;
	}
};

var execCalc = function(c) {
	var input = c.gather();
	var html = "";
	if ( input.error ) {
		html = c.displayError(input.error);
	}
	else {
		var output = c.calc(input);
		html = c.displayOutput(output);
	}
	var div = document.getElementById(c.resultsDiv);
	div.innerHTML = html;
	div.style.display = "block";
};

var allowInt = function(id) {
	var txt = document.getElementById(id).value;
	txt = txt.replace(/[^0-9]/g, "");
	document.getElementById(id).value = txt;
};

var allowFloat = function(id, allowNeg) {
	var txt = document.getElementById(id).value;
	var isNeg = false;
	if ( allowNeg ) {
		if ( txt.startsWith("-") ) {
			isNeg = true;
		}
	}
	txt = txt.replace(/[^0-9,.]/g, "");
	tabs = txt.split('.');
	if ( tabs.length > 2 ) {
		txt = tabs[0] + "." + tabs[1];
	}
	if ( isNeg ) {
		txt = "-" + txt;
	}
	document.getElementById(id).value = txt;
};	



var getVal = function(id)  {
	var txt = document.getElementById(id).value;
	if ( txt == "" || txt == "-")  {
		return 0;
	}
	else {
		txt = txt.replace(/,/g, "");
		return parseFloat(txt);
	}
};







		var getDateFromInputs = function(divYear, divMonth, divDay) {

	var y = Math.floor( getFloat(divYear, "Invalid number for the year") );
	var m = Math.floor( getFloat(divMonth, "Invalid number for the month") );
	var d = Math.floor( getFloat(divDay, "Invalid number for the day") );

	if ( m < 0 || m > 11 ) {
		throw "Invalid month";
	}
	if ( d < 1 ) {
		throw "Invalid day of the month";
	}
	if ( d > 31 ) {
		throw "Invalid day of the month";
	}
	if ( m == 1 ) {
		if ( d > 28 ) {
			if ( d == 29 ) {
				if ( !isLeapYear(y) ) {
					throw "February only has 28 days in " + y;
				}
			}
			else {
				throw "Feburary never has more than 29 days";
			}
		}
	}
	if ( m == 3 && d == 31 ) {
		throw "April only has 30 days";
	}
	if ( m == 5 && d == 31 ) {
		throw "June only has 30 days";
	}
	if ( m == 8 && d == 31 ) {
		throw "September only has 30 days";
	}
	if ( m == 10 && d == 31 ) {
		throw "November only has 30 days";
	}

	document.getElementById(divYear).value = y;
	document.getElementById(divMonth).value = m;
	document.getElementById(divDay).value = d;
	var x = new Date();
	//do it this way to avoid problems with 2 digit years
	x.setFullYear(y);
	x.setMonth(m);
	x.setDate(d);
	x.setHours(0,0,0,0);

	return x;

};

var isLeapYear = function(year) {
	return ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);
};

var getDayOfYear = function(d) {
   var dayCount = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
   var dayOfYear = dayCount[ d.getMonth() ] + d.getDate();
   if ( d.getMonth() > 1 ) {
   	if ( isLeapYear(d.getFullYear() ) ) {
   		dayOfYear += 1;
   	}
   }
   return dayOfYear;
};

var getYearDifference = function(d1,d2) {
	if ( d2 >= d1 ) {
		return getYearDifferenceEx(d1,d2);
	}
	else {
		return getYearDifferenceEx(d2,d1);
	}
};

//get the decimal difference in the number of years between 2 dates
//d1 <= d2
var getYearDifferenceEx = function(d1, d2) {
	var years = d2.getFullYear() - d1.getFullYear();

	if ( dateLaterNoYear(d1,d2) ) {
		d1.setFullYear( d2.getFullYear() - 1 );
		years -= 1;
	}
	else {
		d1.setFullYear( d2.getFullYear() );
	}
	var days = getDayDifference(d1,d2);
	var daysInYear = getDaysInNextYear(d1);
	return years + (days/daysInYear);
};

//get the difference in days between two dates
var getDayDifference = function(d1,d2) {
	if ( d2 >= d1 ) {
		return getDayDifferenceEx(d1,d2);
	}
	else {
		return getDayDifferenceEx(d2,d1);
	}
};

var getDayDifferenceEx = function(d1,d2) {
	var days = 0;
	var d = new Date(d1.getTime());
	while ( d < d2 ) {
		d.setDate( d.getDate() + 1 );
		days += 1;
	};
	return days;
};

//get days in the next full year after d
var getDaysInNextYear = function(d) {
	yearLater = new Date(d.getTime());
	yearLater.setFullYear( d.getFullYear() + 1 );
	return getDayDifference(d,yearLater);
};

//is the date a greater than b, ignoring the year
var dateLaterNoYear = function(a,b) {
	var m1 = a.getMonth();
	var m2 = b.getMonth();
	if ( m1 == m2 ) {
		var d1 = a.getDate();
		var d2 = b.getDate();
		return ( d1 > d2 );
	}
	return ( m1 > m2 );
};

var getMonthString = function(m) {
	switch (m) {
		case 0: return "January";
		case 1: return "February";
		case 2: return "March";
		case 3: return "April";
		case 4: return "May";
		case 5: return "June";
		case 6: return "July";
		case 7: return "August";
		case 8: return "September";
		case 9: return "October";
		case 10: return "November";
		case 11: return "December";
	}
};

var getDateString = function(d) {
	return getMonthString(d.getMonth()) + " " + d.getDate() + ", " + d.getFullYear();
};

var nthify = function(i) {
	var j = i % 10;
	var k = i % 100;
	if (j == 1 && k != 11) {
		return i + "st";
	}
	if (j == 2 && k != 12) {
		return i + "nd";
	}
	if (j == 3 && k != 13) {
		return i + "rd";
	}
	return i + "th";
};





		var loadInvestmentReturn = function() {
	var d = new Date();
	document.getElementById("dollartimes-investment-return-sale-year").value = d.getFullYear();	
	document.getElementById("dollartimes-investment-return-sale-month").value = d.getMonth();	
	document.getElementById("dollartimes-investment-return-sale-day").value = d.getDate();	
};

var InvestmentReturn = function() {

	this.resultsDiv = "dollartimes-investment-return-results";

	this.gather = function() {
		var o = {};
		try {
			o.purchasePrice = getFloat("dollartimes-investment-return-purchase-price", "Please enter a valid number for the purchase price");
			condition( o.purchasePrice > 0, "Please enter a purchase price greater than 0");
			
			o.salePrice = getFloat("dollartimes-investment-return-sale-price", "Please enter a current or sale price greater than 0");
			condition( o.salePrice >= 0, "Please enter a current price of at least 0");

			try {
				o.purchaseDate = getDateFromInputs("dollartimes-investment-return-purchase-year", "dollartimes-investment-return-purchase-month", "dollartimes-investment-return-purchase-day");
			}
			catch (e) {
				throw "There was a problem with the purchase date: " + e;
			}
			try {
				o.saleDate = getDateFromInputs("dollartimes-investment-return-sale-year", "dollartimes-investment-return-sale-month", "dollartimes-investment-return-sale-day");
			}
			catch (e) {
				throw "There was a problem with the sale date: " + e;
			}			

			condition( o.saleDate > o.purchaseDate, "The sale date must be later than the purchase date");
		}
		catch (e) {
			return { "error": e };
		}
		return o;
	};

	this.calc = function(o) {
		var results = {};
		results.numYears = getYearDifference(o.saleDate, o.purchaseDate);
		results.rate = Math.pow(o.salePrice / o.purchasePrice,  1/results.numYears) - 1;	
		return results;
	};

	this.displayError = function(e) {
		return '<div class="error">' + e + '</div>';
	};

	this.displayOutput = function(results) {		
		html = [];
		html.push("<p>You owned the investment for " + results.numYears.toFixed(2) + " years.</p>");
		html.push("<p>During that time, its value changed at an annual rate of <span class='txt-120b'>" + (results.rate * 100).toFixed(2) + "%</span>.</p>" );
		return html.join("");
	};
};
		loadInvestmentReturn();
		document.getElementById("dollartimes-investment-return-go").onclick = function() {
			execCalc(new InvestmentReturn());
		};
	}();