function calculate(price)
{
	var n = price * 0.9;
	var s = "<b><font color=\"#FF0000\">$" + n.toFixed(2) + "<\/font><\/B>";
	return s;
}
function calculateFront(price)
{
	var n = price * 0.9;
	var s = "<font color=\"#804000\">$" + n.toFixed(2) + "<\/font>";
	return s;
}
function sale(a, b)
{
	var n = a - b;
	var s = "<font style=\"color:#990000\">$" + n.toFixed(2) +"</font>"
	return s;
}
function saletotal(a, b, c)
{
	var n = a - b;
	var m = n * c;
	var s = "<font style=\"color:#990000\">$" + m.toFixed(2) +"</font>"
	return s;
}