function get_calendardata(datetime)
{
	if($("datetime")!=null)
		$("datetime").value=datetime;
	var url='calendar_day_data.php';
	var rel='date='+datetime;
	var myAjax = new Ajax.Request(url,{parameters:rel,onComplete: function(originalRequest){CallBack_get_calendardata(originalRequest);}});
	$("calendar_data").innerHTML="正在加载数据，请稍后...";
}
function CallBack_get_calendardata(xmlhttp)
{
	result=xmlhttp.responseText;
	$("calendar_data").innerHTML=result;

}
function update_calendardata()
{
	//setTimeout("update_calendardata()",30000); 
	var datetime=$F("datetime");
	var url='calendar_every_data.php';
	var rel='date='+datetime;
	var myAjax = new Ajax.Request(url,{parameters:rel,onComplete: function(originalRequest){CallBack_get_calendardata(originalRequest);}});
	
}