<!--
function MonthlyRepay()
{
    if(document.myform.principal.value=='')
		return;
    if(document.myform.rate.value=='')
		return;
    if(document.myform.years.value=='')
		return;
		
    if(isNaN(document.myform.principal.value))
		{
		document.myform.principal.value = '';
		document.myform.repay.value = '';
		document.myform.totalinterest.value = '';
		return;
		}
    if(isNaN(document.myform.rate.value))
		{
		document.myform.rate.value = '';
		document.myform.repay.value = '';
		document.myform.totalinterest.value = '';
		return;
		}
    if(isNaN(document.myform.years.value))
		{
		document.myform.years.value = '';
		document.myform.repay.value = '';
		document.myform.totalinterest.value = '';
		return;
		}

    R = document.myform.rate.value / 1200;
    N = document.myform.years.value * 12;
    t = Math.exp(N * Math.log(1 + R));
    P = document.myform.principal.value;
    A = parseInt(P * R * t / (t - 1));
    document.myform.repay.value = A; //ltrim(fmt7(A))
    total = 0;

    if(N == 0 || A == 0 || P == 0)
		document.myform.totalinterest.value = 0
    else
		document.myform.totalinterest.value = (N * A) - P
		
}

//-->