function show_info(d) {
	var req = new Ajax.Updater('info',
		"ajax_schedule.php?date="+d,
		{
			asynchronous:true,
			onSuccess:showResponse
		}
	);
	return(false);
}

function hide_info(date) {
	document.getElementById("info").style.visibility="hidden";
	return(false);
}

function showResponse(req) {
	var elem = document.getElementById("info");
	elem.firstChild.nodeValue = req.responseText;
	elem.style.visibility="visible";
	return(false);
}