var license = '<DIV ALIGN="left"><font face="Arial, Helvetica, sans-serif" size="1">' +
        '' +
        ' ' +
        ' ' +
        '' +
        '' +
        '' +
        '' +
        '' +
        '' +
        '' +
        '';

js_version = 1.1;

// The following is something that could cause problems. But I haven't yet found a solution.
// The amortizationTable instance name is used both here and in calculator_l.html; and if 
// the same name is not used everywhere things won't work.  But it would be all too easy to  
// innocently change this name in one place and not all others...  Here we're able to assign 
// the name to a variable and use that variable everywhere. But that is not so easily done 
// in calculator_l.html...
var amortizationTableInstanceName = 'amort';
var selector_start_date = 1985;

setTimeout ("changePage()", 3000);

function changePage() {
    var sourceHREF = "";
    var revertHREF = "../popcalc2.asp";
    if (window.location.href.indexOf(sourceHREF) == -1){
        self.parent.location = revertHREF;
    }
}

function helpText(obj){
    var messages = new Array();
    messages["helpHelp"] = 'Click on "?" to get help on that item.';
    messages["loanAmountHelp"] = 'Loan amount: The total amount of the money that you have borrowed.';
    messages["nrOfYearsHelp"] = 'Loan term: The number of years or months you have to pay off the loan. If you fill in one of the boxes, the other will fill in automatically.';
    messages["interestRateHelp"] = 'Annual interest rate: The exact interest rate on your mortgage. This is different from the annual percentage rate or APR which is a standardized method of calculating the cost of a mortgage, stated as a yearly rate which includes such items as interest, mortgage insurance, and certain points or credit costs.';
    messages["monthlyPaymentHelp"] = 'Monthly payment: This calculation includes only principal and interest. Mortgage payments usually include additional payments for insurance and taxes that are put into escrow to be paid out when they come due.';
    messages["amortizationHelp"] = 'Amortization schedule: A timetable for the gradual repayment of a mortgage loan. An amortization schedule indicates the amount of each payment applied to interest and principal, and also the remaining loan balance after each payment is made.';
    //messages["monthlyAdditionalHelp"] = 'Adding...to your monthly payment: This calculates the impact on the paid-off date of adding a specified amount to every monthly payment throughout the length of the loan.';
    //messages["yearlyAdditionalHelp"] = 'Adding...as an extra yearly payment: This calculates the impact on the paid-off date of adding a single payment of a specified amount every year.';
   // messages["oneAdditionalHelp"] = 'Adding...as a one-time payment: This calculates the impact on the paid-off date of adding a single payment, made in addition to and at the same time as some monthly payment. This must, of course, occur at some time after the start date of the loan.';
    messages["paidOffDateHelp"] = 'Changes paid-off date: This tells you how much sooner your loan will be paid off if you add extra payments.';
    messages["printTableHelp"] = 'This will present the table by itself in a new window for printing. After printing from this new window, close it to continue to use the calculator or browse.';
 //   document.Calculator.helpHelp.value = messages[obj.name];
     alert(messages[obj.name]);
}

var monthNames = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');

function validateNumber(localItem, minValue, maxValue, msg) {
    var decPtAt = 0;
    for (var i = 0; i < localItem.value.length; i++){
        var localChar  = localItem.value.charAt(i);
        if (localChar < "0" || localChar > "9"){
            if (localChar == "." && decPtAt == 0){
                decPtAt = i + 1;
            }else{
                if (localChar == " "){
                    localChar = "Spaces cannot";
                }else if (localChar == "."){
                    localChar = "Only one decimal point can";
                }else{
                    localChar = "The character \"" + localChar
                                + "\" cannot";
                }
                alert(localChar + " be used in the " + msg + " field." +
                    "  Please correct your entry to use only numerical" +
                    " values, a single decimal point, and no spaces or" +
                    " commas.");
                localItem.focus();
                localItem.select();
                return false;
            }
        }
    }
    return checkLimits(localItem, minValue, maxValue, msg);
}

function checkLimits(localItem, minValue, maxValue, msg) {
    if (localItem.value < minValue || localItem.value > maxValue){
        alert("Value for the " + msg + " field must be between "
            + minValue + " and " + maxValue + ".");
        localItem.focus();
        localItem.select();
        return false;
    }
    return true;
}

function thisPage(obj){
    var localString = obj.pathname;
    var pos = localString.indexOf('/') + 1;
//    return localString.substring(pos);
    return localString;
}

function getArgs(){
/*  Based on Example 13-5 in "JavaScript: The Definitive Guide," 3rd ed.,
    by David Flanagan, O'Reilly (1998) p. 245.                            */
    var args = new Object();
    var query = window.location.search.substring(1);
    var pairs = new Array();
    if ((pairs = query.split("&")) == null) pairs = localSplit(query, "&");
    for (var i =0; i < pairs.length; i++){
        var pos = pairs[i].indexOf('=');
        if (pos == -1) continue;
        var argname = pairs[i].substring(0,pos);
        var value = pairs[i].substring(pos+1);
        args[argname] = unescape(value);
    }
    return args;
}

function localSplit(thisStr, thisChar){
    var localStr;
    var pairs = new Array();
    var pos = 0;
    var i = 0;
    while ((pos = localStr.indexOf(thisChar)) > -1){
        pairs[i++] = localStr.substring(0, pos);
        localStr = localStr.substring(pos + 1);
    }
    return pairs;
}

function tdet(characteristics, fontdata){
    this.tdOpen = '\t\t\t<TD' + characteristics;
    this.tdCont = '>\n' + '\t\t\t\t<FONT' + fontdata + '>\n\t\t\t\t\t';
    this.tdClose = '\n\t\t\t\t</FONT>\n\t\t\t</TD>\n';
    this.ShowTD  = ShowTD;
    return;
}

function ShowTD(contents, width){
    if (width != null) this.tdOpen += ' width="' + width + '"';
    return this.tdOpen + this.tdCont + contents + this.tdClose;
}

function displayDec(val, decs){
    var factr = 1;
    for (var i = 0; i < decs; i++){
        factr *= 10;
    }
    var outputStr = Math.round(factr * val) + '';
    while (outputStr.length - decs < 1){
        outputStr = '0' + outputStr;
    }
    var pos = outputStr.length - decs;
    return outputStr.substring(0, pos) + '.' + outputStr.substring(pos);
}

function getFourDigitYear(date_obj){
    var thisyear = date_obj.getYear();
    // Following Y2k fix should work till 3799 :-), by which time getYear() should be fully repalced by getFullYear()...
    if (thisyear < 1900){
        thisyear += 1900;
    }
    return thisyear;
}

function setFourDigitYear(date_obj, thisyear){
    // Y2k fix
    if (navigator.appName == "Microsoft Internet Explorer" && thisyear < 2000){
        thisyear = thisyear - 1900;
    }
    date_obj.setYear(thisyear);
}

function amortizationTable(formName) {
    this.formName             = new Object();
    this.formName             = formName;
    this.loanAmount           = 150000.0;
    this.nrOfMonths           = 12;
    this.interestRate         = 10.0;
    this.unroundedPayment     = 87.92;
   // this.monthlyAdditional    = 0.0;
   // this.yearlyAdditional     = 0.0;
   // this.oneAdditional        = 0.0;
    this.paymentMonths        = new Array();
    this.paymentNr            = new Array();
    this.payment              = new Array();
    this.interestPaid         = new Array();
    this.totalInterest        = new Array();
    this.principalPaid        = new Array();
    this.balance              = new Array();
    this.startDate            = new Date();
   // this.yearlyAdditionalDate = new Date();
    //this.oneAdditionalDate    = new Date();
    this.paidOffDate          = '';
    this.args                 = new Object();
    this.valueSource          = 'args';
    this.fontFace             = 'Arial, Helvetica, sans-serif';
    this.clearPayment         = clearPayment;
    this.getValues            = getValues;
    this.putValues            = putValues;
    this.doAmortization       = doAmortization;
    this.showTable            = showTable;
    this.tableDisplayer       = tableDisplayer;
    this.license              = license;
    this.printString          = '';
    this.printTable           = printTable;
    return;
}

function doAmortization(valueSource) {
    this.valueSource = valueSource;
    var returnValue  = this.getValues();
    if (!returnValue) return returnValue;
    var blnc         = this.loanAmount;
    var rate         = this.interestRate / 1200.0;
    var loanDate     = new Date();
    var loanYear     = 2007;
    var loanMonth    = 9;
    var loanDay      = 1;
    //this.oneAdditionalDate.setDate(loanDay);
	// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

   // if (this.oneAdditional != 0
//        && getFourDigitYear(this.oneAdditionalDate) == getFourDigitYear(loanDate)
//        && this.oneAdditionalDate.getMonth() == loanDate.getMonth()) {
//        alert("The calculator assumes that a one-time payment is made at the same time as one of the monthly payments. A one-time payment can only be done, therefore, at some time after the start date of the loan.");
//    }

    // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    loanDate.setDate(loanDay);
    loanDate.setMonth(loanMonth);
    setFourDigitYear(loanDate, loanYear);
    var thisTime     = loanDate.getTime();
    var lastTime     = thisTime;
    var monthNr      = 0;
    var yearNr       = 0;
    var totInt       = 0.0;
    var factr        = 1;
    var ratePlusOne  = rate + 1;
    for (var i = 0; i < this.nrOfMonths; i++){
        factr *= ratePlusOne;
    }
    if (factr > 1) {
        this.unroundedPayment =
            (this.loanAmount * factr * rate) / (factr - 1);
        returnValue = true;
        this.payment[0]       = 0;
        this.balance[0]       = displayDec(blnc, 2);
        this.interestPaid[0]  = 0;
        this.totalInterest[0] = 0;
        this.principalPaid[0] = 0;
        var totalMonthPayment = this.unroundedPayment;
        for (var i = 0; i <= this.nrOfMonths; i++){
            if (loanMonth > 11){
                loanYear++;
                loanMonth = 0;
                setFourDigitYear(loanDate, loanYear);
            }
            this.paymentMonths[i] = loanMonth;
            monthNr               = loanMonth + 1;
            yearNr                = loanYear;
            this.paymentNr[i]     = monthNr + '<BR>' + yearNr;
            loanDate.setMonth(loanMonth++);
            if (i == 0) continue;
            totalMonthPayment     = this.unroundedPayment //+ this.monthlyAdditional;
            //if (this.yearlyAdditionalDate.getMonth() == loanDate.getMonth())
//                totalMonthPayment += this.yearlyAdditional;
//            if (this.oneAdditionalDate.getMonth() == loanDate.getMonth()
//                && getFourDigitYear(this.oneAdditionalDate) == getFourDigitYear(loanDate))
//                    totalMonthPayment += this.oneAdditional;
            this.interestPaid[i]  = blnc * rate;
            totInt               += this.interestPaid[i];
            this.principalPaid[i] = totalMonthPayment - this.interestPaid[i];
            blnc                 -= this.principalPaid[i];
            if (blnc <= 0) {
                totalMonthPayment    += blnc;
                this.principalPaid[i] = totalMonthPayment - this.interestPaid[i];
                blnc                 = 0;
            }
            this.payment[i]       = displayDec(totalMonthPayment, 2);
            this.balance[i]       = displayDec(blnc, 2);
            this.interestPaid[i]  = displayDec(this.interestPaid[i], 2);
            this.totalInterest[i] = displayDec(totInt, 2);
            this.principalPaid[i] = displayDec(this.principalPaid[i], 2);
            if (blnc <= 0) break;
        }
    }else{
        returnValue = false;
    }
    this.paidOffDate = monthNames[loanMonth - 1] + ' '
            + loanDay + ', '
            + loanYear;
    this.putValues(returnValue);
    return returnValue;
}

function getValues(){
    var returnValue = false;
    if (this.valueSource == 'form' || this.valueSource == 'term'){
        if ((this.formName.nrOfYears.value == null
                || this.formName.nrOfYears.value.length == 0)
            || (this.formName.interestRate.value == null
                || this.formName.interestRate.value.length == 0)
            || (this.formName.loanAmount.value == null
                || this.formName.loanAmount.value.length == 0)) {
            return returnValue;
        }
        if (!validateNumber(   this.formName.nrOfYears, 0.08333,       40, "Loan Term (years)")
            || !validateNumber(this.formName.interestRate,    1,       99, "Annual Interest Rate")
            || !validateNumber(this.formName.loanAmount,      1, 10000000, "Loan Amount")) {
            return returnValue;
        }
        this.nrOfMonths        = Math.round(parseFloat(this.formName.nrOfMonths.value));
        this.interestRate      = parseFloat(this.formName.interestRate.value);
        this.loanAmount        = parseFloat(this.formName.loanAmount.value);
       // setFourDigitYear(this.startDate, selector_start_date + parseInt(this.formName.startYear.selectedIndex));
//        this.startDate.setMonth(parseInt(this.formName.startMonth.selectedIndex));
        var monthDay = 1 //+ parseInt(this.formName.startDay.selectedIndex);
        if (monthDay > 28){
            monthDay = 28;
            alert('To simplify the determination of the loan payment day for each month, loan start dates later than the 28th of any month are assumed to start on the 28th.');
        }
        this.startDate.setDate(monthDay);
        //this.monthlyAdditional = getValid(this.formName.monthlyAdditional, this.monthlyAdditional)
//        this.yearlyAdditional  = getValid(this.formName.yearlyAdditional, this.yearlyAdditional)
//        this.yearlyAdditionalDate.setMonth(parseInt(this.formName.yearlyAdditionalMonth.selectedIndex));
//        this.oneAdditional     = getValid(this.formName.oneAdditional, this.oneAdditional)
//        setFourDigitYear(this.oneAdditionalDate, selector_start_date + parseInt(this.formName.oneAdditionalYear.selectedIndex));
//        this.oneAdditionalDate.setMonth(parseInt(this.formName.oneAdditionalMonth.selectedIndex));
        returnValue = true;
    }else{
        this.args = getArgs();
        if (this.args.nrOfMonths != null)
            this.nrOfMonths = Math.round(parseFloat(this.args.nrOfMonths));
        if (this.args.interestRate != null)
            this.interestRate = parseFloat(this.args.interestRate);
        if (this.args.loanAmount != null)
            this.loanAmount = parseFloat(this.args.loanAmount);
        if (this.args.unroundedPayment != null)
            this.unroundedPayment = parseFloat(this.args.unroundedPayment);
        //if (this.args.startYear = null)
//            setFourDigitYear(this.startDate, this.args.startYear);
//        if (this.args.startMonth != null)
//            this.startDate.setMonth(this.args.startMonth);
//        if (this.args.startDay != null)
//            this.startDate.setDate(this.args.startDay);
        //if (this.args.monthlyAdditional != null)
//            this.monthlyAdditional = parseFloat(this.args.monthlyAdditional);
//        if (this.args.yearlyAdditional != null)
//            this.yearlyAdditional = parseFloat(this.args.yearlyAdditional);
//        if (this.args.yearlyAdditionalMonth != null)
//            this.yearlyAdditionalDate.setMonth(this.args.yearlyAdditionalMonth);
//        if (this.args.oneAdditional != null)
//            this.oneAdditional = parseFloat(this.args.oneAdditional);
//        if (this.args.oneAdditionalYear != null)
//            setFourDigitYear(this.oneAdditionalDate, this.args.oneAdditionalYear);
//        if (this.args.oneAdditionalMonth != null)
//            this.oneAdditionalDate.setMonth(this.args.oneAdditionalMonth);
        returnValue = true;
    }
    return returnValue;
}

function getValid(obj, val){
    var val1 = val;
    if (parseFloat("0.0") != null && obj.value != null && obj.value.length > 0)
            val = parseFloat(obj.value);
    if (isNaN(0) != null && isNaN(val)) return val1;
    return val;
}

function clearPayment(){
    this.formName.monthlyPayment.value = "    ===>";
}

function putValues(noError){
    if (noError){
        this.formName.nrOfYears.value
            = displayDec(this.nrOfMonths / 12, 2);
        this.formName.nrOfMonths.value
            = this.nrOfMonths;
        this.formName.interestRate.value
            = displayDec(this.interestRate, 2);
        this.formName.loanAmount.value
            = displayDec(this.loanAmount, 2);
        this.formName.unroundedPayment.value
            = this.unroundedPayment;
        this.formName.monthlyPayment.value
            = displayDec(this.unroundedPayment, 2);
      //  this.formName.startYear.selectedIndex
//            = getFourDigitYear(this.startDate) - selector_start_date;
//        this.formName.startMonth.selectedIndex
//            = this.startDate.getMonth();
//        this.formName.startDay.selectedIndex
//            = this.startDate.getDate() - 1;
        //this.formName.monthlyAdditional.value
//            = this.monthlyAdditional;
//        this.formName.yearlyAdditional.value
//            = this.yearlyAdditional;
//        this.formName.yearlyAdditionalMonth.selectedIndex
//            = this.yearlyAdditionalDate.getMonth();
        //this.formName.oneAdditional.value
//            = this.oneAdditional;
       // this.formName.oneAdditionalYear.selectedIndex
//            = getFourDigitYear(this.oneAdditionalDate) - selector_start_date;
//        this.formName.oneAdditionalMonth.selectedIndex
//            = this.oneAdditionalDate.getMonth();
        this.formName.paidOffDate.value = this.paidOffDate;
    }else{
        this.formName.monthlyPayment.value = "Error";
    }
}

function tableData(contents, label, characteristics, fontdata){
    this.contents  = new Array();
    this.contents  = contents;
    this.label     = label;
    this.tdOpen    = '\t\t\t<TD' + characteristics;
    this.tdCont    = '>\n' +
                     '\t\t\t\t<FONT' + fontdata + '>\n\t\t\t\t\t';
    this.tdClose   = '\n\t\t\t\t</FONT>\n\t\t\t</TD>\n';
    this.ShowRow   = ShowRow;
    return;
}

function ShowRow(rowNr, rowLength){
    var i0 = rowNr * rowLength;
    var returnString = '            <TR>\n';
    returnString += this.tdOpen;
    if (rowLength > 0) returnString += ' align="right"';
    returnString += this.tdCont + this.label + this.tdClose;
    var dataOut = ' ';
    for (var i = i0; i <= rowLength + i0; i++){
        if ((rowNr > 0 && i == i0)||this.contents[i]==null||this.contents[i]=='NaN'){
            dataOut = '&nbsp;';
        }else{
            dataOut = this.contents[i];
        }
        if (i != i0){
            returnString += this.tdOpen + ' align="center"' + this.tdCont + dataOut + this.tdClose;
        }
    }
    returnString += '            </TR>\n';
    return returnString;
}

function showTable() {
    var rowLength       = 12;
    var nrOfRows        = Math.ceil((this.balance.length - 1) / rowLength);
    var Characteristics = ' bgcolor="#EEEEEE" valign="bottom"';
    var Fontdata        = ' face="Arial Narrow" size="2" color="#000000"';
    paymentNrOut        = new tableData(this.paymentNr, '<B>Month<BR>Year</B>', Characteristics, Fontdata);
    Characteristics     = ' bgcolor="#FFFFFF" valign="top"';
    paymentOut          = new tableData(this.payment, '<B>Payment</B>&nbsp;(Ksh.)', Characteristics, Fontdata);
    principalOut        = new tableData(this.principalPaid, '<B>Principal Paid</B>&nbsp;(Ksh.)', Characteristics, Fontdata);
    interestOut         = new tableData(this.interestPaid, '<B>Interest Paid</B>&nbsp;(Ksh.)', Characteristics, Fontdata);
    totalIntOut         = new tableData(this.totalInterest, '<B>Total Interest</B>&nbsp;(Ksh.)', Characteristics, Fontdata);
    balanceOut          = new tableData(this.balance, '<B>Balance on principle </B>&nbsp;(Ksh.)', Characteristics, Fontdata);
    initialLoan         = new tableData(this.balance, '<B>Amortization Table for Ksh.' + this.balance[0] + ' borrowed on ' + monthNames[this.startDate.getMonth()] + ' ' + this.startDate.getDate() + ', ' +  getFourDigitYear(this.startDate) + '</B>', Characteristics + 'ALIGN="CENTER" COLSPAN="' + (rowLength + 1) + '"', Fontdata);
    var returnString = '        <TABLE border="1" cellpadding="3" cellspacing="0" bgcolor="#CCCCCC">\n';
    returnString += initialLoan.ShowRow(0, 0);
    for (var ir = 0; ir < nrOfRows; ir++){
        returnString += paymentNrOut.ShowRow(ir, rowLength);
        returnString += paymentOut.ShowRow(ir, rowLength);
        returnString += principalOut.ShowRow(ir, rowLength);
        returnString += interestOut.ShowRow(ir, rowLength);
        returnString += totalIntOut.ShowRow(ir, rowLength);
        returnString += balanceOut.ShowRow(ir, rowLength);
    }
    returnString += '        </TABLE>\n';
    returnString+='<TABLE ALIGN="left" BORDER=0 CELLSPACING=0 width="100%"><tr align="left"> <td align="left"> <font size="2" face="Arial, Helvetica, sans-serif"> <B> Disclaimer </B> <br> <li>The amortization calculator provides figures at the current interest rate <br> <li>This is a mathermatical model and does not include insurance and other property charges that are usually added to arrive at the expected monthly repaymnet amount<br>';
	returnString+='<li>Please note the repayment model is arrived at using current interest rates. Interest rates on mortgage products are subject to change and a new repayment schedule at the revised rates will be availed on request<br>';
	returnString+= '<li>Housing finance will advise on the initial repayment schedule after completion of loan processing. Always ensure scheduled repayments are made in accordance with the actual schedule as provided by housing finance<br></font></td></tr></table>';
    return returnString;
}

function dateSelector(selectorName){
    var returnString = '<SELECT NAME="' + selectorName + 'Month" onChange="' + amortizationTableInstanceName + '.clearPayment();">\n';
    var today = new Date();
    var thisYear = getFourDigitYear(today);
    var maxYear  = thisYear + 10;
    for (var i = 0; i < 12; i++){
        returnString += '\t\t\t\t<OPTION VALUE="' + i + '"';
        if (i == today.getMonth()) returnString += ' SELECTED';
        returnString += '>' + monthNames[i] + '</OPTION>\n';
    }
    returnString += '\t\t\t</SELECT>\n';
    if (selectorName == 'yearlyAdditional')return returnString;
    if (selectorName == 'oneAdditional'){
        maxYear = thisYear + 30;
    }else{
        returnString += '\t\t\t<SELECT NAME="' + selectorName + 'Day" onChange="' + amortizationTableInstanceName + '.clearPayment();">\n';
        for (var i = 1; i < 32; i++){
            returnString += '\t\t\t\t<OPTION VALUE="' + i + '"';
            if (i == today.getDate()) returnString += ' SELECTED';
            returnString += '>' + i + '</OPTION>\n';
        }
        returnString += '\t\t\t</SELECT>,\n';
    }
    returnString += '\t\t\t&nbsp;<SELECT NAME="' + selectorName + 'Year" onChange="' + amortizationTableInstanceName + '.clearPayment();">\n';
    for (var i = selector_start_date; i <= maxYear; i++){
        returnString += '\t\t\t\t<OPTION VALUE="' + i + '"';
        if (i == getFourDigitYear(today)) returnString += ' SELECTED';
        returnString += '>' + i + '</OPTION>\n';
    }
    returnString += '\t\t\t</SELECT>\n';
    return returnString;
}

function tableDisplayer(){
    var margin = "\n                ";
    var returnString = 
         margin + '<tr>' +
         margin + '    <td colspan=3 align="center">' +
         margin + '      <INPUT type="submit" name="showAmort" value="Show/Recalculate Amortization Table"><input type="button" name="amortizationHelp" value=" ? " onClick="helpText(this)">' +
         margin + '        <BR>';
    this.doAmortization('args');
    if (this.args.showAmort != null) {
        this.printString =
            margin + '      <TABLE ALIGN="center" BORDER=0 CELLSPACING=0 width="100%">' +
            margin + '         <TR ALIGN="left" VALIGN="top">' +
            margin + '             <TD>' +
            this.showTable() +
            margin + '             </TD>' +
            margin + '         </TR>';
         returnString += this.printString +
            margin + '         <TR ALIGN="center" VALIGN="top">' +
            margin + '             <TD>' +
            margin + '                 <INPUT type="button" name="printTbl" value="Print Amortization Table" onClick="' + amortizationTableInstanceName + '.printTable()"><input type="button" name="printTableHelp" value=" ? " onClick="helpText(this)">' +
            margin + '             </TD>' +
            margin + '         </TR>' + 
            margin + '     </TABLE>';
        this.printString += 
            margin + '     </TABLE>';
    }
    returnString +=
        margin + '  </td>' +
        margin + '</tr>' +
        margin + '<tr>' +
        margin + '  <td colspan=3>' +
        this.license +
        margin + '  </td>' +
        margin + "</tr>\n";
    return returnString;
}

function printTable(){
        var screenWidth = 640;
        if (screen.width && screen.width != null){
            screenWidth = screen.width;
        }
        var screenHeight = 480;
        if (screen.height && screen.height != null){
            screenHeight = screen.height;
        }
        var msg = 'The table will now be presented by itself in a new window for printing.\n\n'
            + 'After printing from this new window, '
            + 'close it to continue to use the calculator or browse.\n\n'
            + '\tNote:\tYou may need to adjust you browser\'s font size\n\t\tto fit the width of the table on a printed page.';
        var features = "toolbar=yes,location=no,menubar=yes,scrollbars=yes,resizable=yes,width=" + screenWidth + ",height=" + screenHeight + "0";
        tableTitle = 'Amortization Table';
        if (confirm(msg)){
            var w = window.open("","mainview",features);
            var d = w.document;
            // Output an HTML document into the new window.
            d.write('<BODY TEXT="#003333" BGCOLOR="#FFFFEE" TOPMARGIN="0" LEFTMARGIN="0" VLINK="#009999" ALINK="#009900" LINK="#000099">');
            d.write(this.printString);
            d.write('</BODY>');
            d.close();    
        }
    return;
}