function init_tracking() {
	$('ups_tracking_button').hide();
	$('ups_tracking_request').show();
}
function ups_tracking() {
	var n = document.forms[1].upsnum.value;
	new Ajax.Updater('ups_tracking_result','ups_tracking.php', 
						{postBody: $H({ 'n': n}).toQueryString()
						}
					);
}