$(document).ready(function(){
	$(".cal_field").change(function(){
		finance_calculate();
	});
	
	if ($("#calculator input").hasClass("cal_field"))
	{
		finance_calculate();
	}
	
	function finance_calculate() {
		var L,P,n,c,dp;
		L = parseInt($("#calc_Price1").val());
		n = parseInt($("#calc_Term").val()) * 12;
		c = parseFloat($("#calc_Rate").val())/1200;
		if (isNaN(parseFloat($("#calc_Down").val())))
			dp = 0;
		else
			dp = parseFloat($("#calc_Down").val());
		
		if (isNaN(c) || c <= 0)
			$("#payment").html("Enter your Rate");
		else if (isNaN(L) || isNaN(n))
		{
			$("#payment").html("Not Available");
		}
		else
		{
			L = L - dp;
			P = (L*(c*Math.pow(1+c,n)))/(Math.pow(1+c,n)-1);
			if(!isNaN(P))
			{
				//$("#mcPayment").val(P.toFixed(2));
				if (P.toFixed(2) > 0)
					$("#payment").html("$"+P.toFixed(2)+"<sup>1</sup>");
				else
					$("#payment").html("$0.00");
			}
			else
			{
				$("#payment").html("Not Available");
			}
		}
		return false;	
	}
	
	$('#more_btn').click(function(){
    	$("#more_payment").slideDown('slow');
    	$(this).remove();
    });	
});