// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
// 	CUSTOM Calculator functions
// JA 4-2008
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 



function floor(number)
{
  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}

function dosum()
{
var amount=document.form2.amount.value.replace(",", "");
amount = amount.replace("$", "");
var term=document.form2.term.value;
var rate=document.form2.rate.value;
var method=document.form2.method.value;
var hoa=document.form2.hoa.value;

var hoaadd = hoa*1
var months = term*12;
var interestrate= rate/100;
var parta=interestrate/12;
var partb=parta+1;
var partc=Math.pow(partb,months);
if(method=='Repayment')
{

var repaymenta = ((amount * parta * partc)/(partc-1));
var repayment= (repaymenta + hoaadd);

document.form2.result.value=floor(repayment);

}
else
{
var repaymenta=(amount * parta);
var repayment = floor(repaymenta);

document.form2.result.value=floor(repaymenta);
}
}