function fmtMoney(n, c, d, t) { var m = (c = Math.abs(c) + 1 ? c : 2, d = d || ",", t = t || ".", /(\d+)(?:(\.\d+)|)/.exec(n + "")), x = (m[1].length > 2 ? m[1].length % 3 : 0); return (x ? m[1].substr(0, x) + t : "") + m[1].substr(x).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + (+m[2]).toFixed(c).substr(2) : ""); } function GetIntrest(form) { if (isNaN(form.nominal.value) || form.nominal.value == 0) { alert("Please fill in an interest rate"); form.nominal.focus(); return -1; } if (form.nominal.value <= 0) { alert("You should use an interest rate bigger than zero!"); return -1 } return (parseFloat(form.nominal.value) / 1200); } function GetN(form) { if (isNaN(form.years.value) || form.years.value < 1) { alert("The length of loan needs to be at least one year!"); return -1 } return (form.years.value * 12); } function CalcPMT(form) { var n; var pmt; var pv; var i; var tmp; var roundprecision; var amortWin; roundprecision = Math.pow(10, 2); //form.precision.selectedIndex changed to 2 n = GetN(form); if (n == -1) return; if (isNaN(form.pv.value)) { alert("You should fill in a numeric loan amount!\nDon't use commas or $!"); form.pv.focus(); return; } if (form.pv.value <= 0) { alert("Fill in a positive loan amount!"); form.pv.focus(); return; } i = GetIntrest(form); if (i == -1) return; pv = form.pv.value; pmt = pv * i * Math.pow(1 + i, n) / (Math.pow(1 + i, n) - 1); pmt = Math.round(pmt * roundprecision) / roundprecision; form.pmt.value = pmt; form.total.value = Math.round(pmt * n * roundprecision) / roundprecision; if (form.amortWin.checked == false) { //alert("This loan would have estimated\nmonthly payments of $"+(form.pmt.value)+".") document.getElementById("divEstPmt").innerHTML = "Estimated Monthly Payments of: $" + fmtMoney(form.pmt.value, 2, '.', ',') + ""; } if (form.amortWin.checked == true) { AmortTable(form) } return; } function AmortTable(form) { var n; var pmt; var showpmt; var pv; var total; var i; var ipmt; var ppmt; var roundprecision; var TableWin; var period; roundprecision = Math.pow(10, 2); //form.precision.selectedIndex changed to 2 n = GetN(form); if (n == -1) return; if (isNaN(form.nominal.value) || form.nominal.value == 0 || isNaN(form.pmt.value) || form.pmt.value == 0 || isNaN(form.pv.value) || form.pv.value == 0 || isNaN(form.total.value) || form.total.value == 0) { alert("You need to make a calculation first because all fields need to be correctly filled in!"); return; } /* Get all the calculation values */ i = GetIntrest(form); if (i == -1) return; total = form.total.value; pv = form.pv.value; pmt = pv * i * Math.pow(1 + i, n) / (Math.pow(1 + i, n) - 1); showpmt = Math.round(pmt * roundprecision) / roundprecision; /* Write the amort table window begin */ TableWin = window.open("", "MortAmortWin", "resizable,scrollbars,status,toolbar,titlebar,width=450,height=300"); TableWin.document.writeln(''); TableWin.document.writeln('At Home With Yara - Mortgage Amortization Schedule'); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln('
'); TableWin.document.writeln(''); TableWin.document.writeln('
'); TableWin.document.writeln(''); TableWin.document.writeln('
111 Lake Avenue, Suite 5, Tuckahoe, NY 10707
Phone: (917) 372 - 1404  Fax: (914) 372 - 1012
'); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln('
 Loan Summary
Warning and Disclaimer:
This data is not guaranteed in any way and is dependent on the information entered on the preceeding page. For a personalized mortgage consultation, please contact us to schedule a meeting with one of our professional mortgage consultants.

At Home With Yara Realty Mortgage Consultants		'); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln('
Interest Rate:'); TableWin.document.writeln(form.nominal.value); TableWin.document.writeln('%
Number of Payments:'); TableWin.document.writeln(n); TableWin.document.writeln('
Loan Amount:$'); TableWin.document.writeln(fmtMoney(pv, 2, '.', ',')); TableWin.document.writeln('
Monthly Payment:$'); TableWin.document.writeln(fmtMoney(showpmt, 2, '.', ',')); TableWin.document.writeln('
'); TableWin.document.writeln(''); TableWin.document.writeln(''); /* Actual calculation loop */ i = i + 1; for (period = 1; period <= n; period++) { TableWin.status = "Calculating payment " + period + " of " + n + ", please wait..."; TableWin.document.writeln(''); TableWin.document.writeln(''); ppmt = pmt / Math.pow(i, (n + 1 - period)); pv = pv - ppmt; ipmt = pmt - ppmt; TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln(''); TableWin.document.writeln(''); } TableWin.status = "Done"; TableWin.document.writeln("
 Amortization Table
PeriodInterestPrincipalRemaining Capital
' + period + '' + fmtMoney((Math.round(ipmt * roundprecision) / roundprecision), 2, '.', ',') + '' + fmtMoney((Math.round(ppmt * roundprecision) / roundprecision), 2, '.', ',') + '' + fmtMoney((Math.round(pv * roundprecision) / roundprecision), 2, '.', ',') + '
"); TableWin.document.writeln(""); TableWin.document.writeln(""); TableWin.document.close(); return; }