function updatecalculation() {
	var loanfee = document.getElementById("loanfee").value;
	var loanterm = document.getElementById("loanterm").value;
	var numberloans = document.getElementById("numberloans").value;
	var loansize = document.getElementById("loansize").value;
	
	//alert(loanfee+", "+ loanterm +", "+ numberloans +", "+ loansize);
	var cal_profit = (loansize * (loanfee/100) * numberloans);
	var termsinyear = (365/7)/loanterm;
	var cal_apr = termsinyear * loanfee;	
	
	cal_profit = cal_profit.toString();
	
	if (cal_profit.indexOf(".") == -1 )
		cal_profit += ".00";
	else if (cal_profit.length - cal_profit.indexOf(".") == 2)
		cal_profit += "0";	
		
	document.getElementById("calculatedprofit").innerHTML = "$" + cal_profit;
	var dot = cal_apr.toString().indexOf(".");
	document.getElementById("calculatedapr").innerHTML = cal_apr.toString().substr(0,dot) + "%";
	
	return true;
}


function updatecalculation2() {
	var loanAPR = document.getElementById("loanAPR").value;
	var loanterm = 2;
	
	var termsinyear = (365/7)/loanterm;
	var loanfee = loanAPR / termsinyear;	
	
	//correct and round the result to the nearest quarter
	loanfee += .03;
	loanfee *= 4;
	loanfee = Math.round(loanfee);
	loanfee /= 4;
	
	loanfee = loanfee.toString();
	
	if (loanfee.indexOf(".") == -1 )
		loanfee += ".00";
	else if (loanfee.length - loanfee.indexOf(".") == 2)
		loanfee += "0";	
		
	document.getElementById("calculatedfee").innerHTML = "$" + loanfee;
	
	return true;
}