function test_dates ()
{
	var bdays;
	var y = 1 * document.getElementById ("y").value;
	var m = 1 * document.getElementById ("m").value - 1; // 0 = 1st
	var d = 1 * document.getElementById ("d").value;
	var date_today = new Date ();
	var date_target = new Date ();
	date_target.setFullYear (y, m, d);

	bdays = get_business_days (date_today, date_target);
	alert ("A total of " + bdays + " business days will elapse from today.");
}