
");
text = (text +"
");
text = (text +"Amortization Table
");
text = (text +"The following table is based on the information entered in the calculator form.
");
text = (text +" Mortgage Amount: " +calcRound(Mortgage.Amount));
text = (text +"
Interest Rate: " + Mortgage.Rate + " %");
text = (text +"
Mortgage Length: " + Mortgage.Term + " Years");
text = (text +"
Payment Frequncy: " + Mortgage.Frequency + "
");
text = (text +"
");
text = (text +"| Year | Interest | Principal | Balance |
\n");
// create the Amortization table text by looping through a CONTAINER ARRAY
for (var q=1; q"+ oTable[q].Year +" | "+ oTable[q].Interest +" | "+ oTable[q].Principle +" | "+ oTable[q].Balance +" | ");
}
// create the footer
text = (text +"
");
// Create a new window to display the results
oWindow=window.open("","displayWindow","toolbar=no,width=500,height=300,directories=no,status=no,scrollbars=yes,resize=no,menubar=yes");
oWindow.document.write(text);
oWindow.document.close();
return(true)
}
//============================================================================
// Collection Constructor, a custom object to act as an array but provide
// more flexibility in the future.
//============================================================================
function Collection(item1, item2, item3, item4, item5, item6) {
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
this.item5 = item5;
this.item6 = item6;
}
//============================================================================
// Loan Constructor, defines what the Loan object will look like
// and how it will behave.
//============================================================================
function Loan(Amount, Rate, Term, Payment, Interest, Frequency, Periods ) {
this.Amount = Amount;
this.Rate = Rate;
this.Term = Term;
this.Payment = Payment;
this.Interest = Interest;
this.Frequency = Frequency;
this.Periods = Periods;
this.calcPeriods = calcPeriods;
this.calcPayment = calcPayment;
this.calcInterest = calcInterest;
}
//============================================================================
// Loan object method that calculates the monthly payment for a mortgage loan in the US
//============================================================================
function calcPayment() {
this.Payment = (this.Amount*((this.Rate/(1200))/(1-(Math.pow(1+(this.Rate/(1200)),((this.Term*12)*-1))))));
// handle bi-weekly
if ( this.Periods == 26 ){
this.Payment = this.Payment / 2;
}
}
//============================================================================
// Loan object method that calculates the interest portion of a loan
//============================================================================
function calcInterest() {
this.Interest = ((this.Payment*(this.Term*this.Periods))-this.Amount);
}
//============================================================================
// Loan object method that translates a selection drop down to a value
//============================================================================
function calcPeriods() {
if (this.Frequency=="Monthly") { this.Periods=12 } else { this.Periods=26 }
}
//============================================================================
// Loan object method that shows the calculated amounts
//============================================================================
function Show(oView) {
document.MORTGAGE.PAYMENT.value = calcRound(Mortgage.Payment)
document.MORTGAGE.INTEREST.value = calcRound(Mortgage.Interest)
}
//============================================================================
// oRecord Constructor, defines what the Amortzation record looks like
//============================================================================
function oRecord(Year, Interest, Principle, Balance){
this.Year = Year;
this.Interest = Interest;
this.Principle = Principle;
this.Balance = Balance;
}
//============================================================================
// addRecord defines how a record gets added to the container array
//============================================================================
function addRecord(Year, Interest, Principle, Balance){
oTable[rec] = new oRecord(Year, Interest, Principle, Balance);
}
//============================================================================
// select_item Constructor, used to retrive the selected item from the dropdown
// control on a form.
// name: form element name
// value: the value of the options that was selected
// return value: selected item
//============================================================================
function select_item(name, value) {
this.name = name;
this.value = value;
}
//============================================================================
// Common routine to retrieve the selected value from the drop down object
// select_object: a drop down from control
// return value: the selected objects name
//============================================================================
function get_selection(select_object) {
contents = new select_item();
for(var i=0;i
1000 && num<999999) {
result="$"+result.substring(1,n-4)+","+result.substring(n-4,n);
}
if (num>1000000) {
result = "$"+result.substring(1,n-7)+","+result.substring(n-7,n-4)+","+result.substring(n-4,n);
}
var cents=100*(num-Math.floor(num))+0.5;
result += Math.floor(cents/10);
result += Math.floor(cents%10);
return(result)
}
//============================================================================
// A page specific routine to set the initial state when the page is reloaded.
//============================================================================
function setfocus() {
document.MORTGAGE.AMOUNT.focus();
document.MORTGAGE.AMOUNT.select();
}
// unhide
// -->
GSS
Certified
Trade Broker