document.write(" \n"); document.write("Calculate Your Mortgage Repayments \n"); document.write(" \n"); function commas(nStr) { nStr += ''; x = nStr.split('.'); x1 = x[0]; x2 = x.length > 1 ? '.' + x[1] : ''; var rgx = /(\d+)(\d{3})/; while (rgx.test(x1)) { x1 = x1.replace(rgx, '$1' + ',' + '$2'); } return x1 + x2; } function calc_mortg() { var P = document.calcthis.P.value; var V = document.calcthis.V.value; var IR = document.calcthis.IR.value; var F6 = IR/100; var G6 = F6/12; var G7 = P*12; var E1 = Math.pow ((1+G6),G7); var P1 = ((V* E1)*G6)/(E1 - 1); var T1 = P1 * G7; var T2 = T1 - V; var P11 = P1.toFixed(2); var T11 = T1.toFixed(0); var T21 = T2.toFixed(0); document.calcthis.P1.value = commas (P11); document.calcthis.T1.value = commas (T11); document.calcthis.T2.value = commas (T21); } document.write("
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Term (Years) \n"); document.write("
Mortgage Value \n"); document.write("
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Interest Rate %
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Monthly Payment
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Total Repayments
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Total Interest Paid
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