var deliveryDate = function(form_o)
{
	var d_day = form_o.dag.value - 1;
	var d_month = form_o.maand.value - 1;
	var d_year = form_o.jaar.value;
	var d_hour = form_o.uur.value;
	var d_minute = form_o.minuut.value;

	var d_date = new Date(d_year, d_month, d_day, d_hour, d_minute);
	var now = new Date();

	var gap = 60 * 60 * 24;

	var success_b = true;

	if ((d_date.getTime() - now.getTime()) < gap)
	{
		alert('Minimaal 24 uur van tevoren reserveren a.u.b.');
		success_b = false;
	}
	else
	{
		success_b = getValidation(form_o);
	}

	return success_b;
};