function doCalculation(e) {
	var h = $H($('inputForm').serialize(true));
	var cc = Math.round(h['r'] * h['t'] * (h['tm']/60) * h['n'] * h['s']);
	var pc = Math.round(h['t'] * h['n'] * h['s'] * (h['tp']/60) * h['lr']);
	var sy = Math.round(cc - pc);
	var p  = Math.round(h['pp'] / (sy/12));
	
	$('cc').innerHTML = 'CC = $ ' + cc;
	$('pc').innerHTML = 'PC = $ ' + pc;
	$('sy').innerHTML = 'SY = $ ' + sy;
	$('p').innerHTML  = p + ' months';
}
Event.observe(window, 'load', function(e) {
	$('inputForm').getInputs().each(function(s) {
		Event.observe(s, 'change', doCalculation);
	});
	doCalculation(window);
});