	function getAmortization(a,n,p) {		var i=0;		var sATline="";		var oAmortizationTable=document.getElementById("amortizationtable");		oAmortizationTable.style.visibility="visible";		var sCR=String.fromCharCode(13);		var sTab=String.fromCharCode(27);		/* Calculate amortization and write table to text area **/		var payment = getPayment(a,n,p);		oAmortizationTable.value = sCR + "Monthly Payment = " + (Math.round(payment*100)/100) + sCR + sCR;		oAmortizationTable.value += "Month  Balance  Principal  Interest Payment  Total Interest" + sCR;		var balance=a;		var interest = 0.0;		var principal=0.0;		var totalinterest=0.0;		for (i=1;i<=n;i++) {			interest = balance*p/1200;			totalinterest += interest;			principal = payment-interest;			balance -= principal;			sATline = i.toString()+getSpaces(7-i.toString().length);			sATline += Math.round(balance*100)/100;			sATline += getSpaces(18-sATline.length);			sATline += (Math.round(principal*100)/100);			sATline += getSpaces(29-sATline.length);			sATline += (Math.round(interest*100)/100);			sATline += getSpaces(39-sATline.length);			sATline += (Math.round(i*payment*100)/100);			sATline += getSpaces(50-sATline.length);			sATline += (Math.round(totalinterest*100)/100) + sCR;			oAmortizationTable.value += sATline;		}	}	function getSpaces(n) {		var i=0; 		var sSpaces="";		for (i=0;i<n;i++) {sSpaces += " ";}		return sSpaces;	}	function getPayment(a,n,p) {		/* Calculates the monthly payment from annual percentage		   rate, term of loan in months and loan amount. **/		var acc=0;		var base = 1 + p/1200;		for (i=1;i<=n;i++) 			{ acc += Math.pow(base,-i); }		return a/acc;	}