function doCalendar(holder, year, month) {
	var url =  "http://www.vietnam-sketch.com/wp-content/plugins/sketch_calendar_widget/php/ajax.php?year="+year+"&month="+month;
	var success = function(t){doCompleteCalendar(holder, t);}
	var myAjax = new Ajax.Request(url, {method:'post', onSuccess:success});
	return false;
}
function doCompleteCalendar(holder, t) {
	jQuery("#"+holder).html(t.responseText);
}

/**********************************/

function doCalendarBackend(holder, year, month) {
	var url =  "http://www.vietnam-sketch.com/wp-content/plugins/sketch_calendar_widget/php/cal_backend.php?year="+year+"&month="+month;
	var success = function(t){doCompleteCalendarBackend(holder, t);}
	var myAjax = new Ajax.Request(url, {method:'post', onSuccess:success});
	return false;
}
function doCompleteCalendarBackend(holder, t) {
	jQuery("#"+holder).html(t.responseText);
}
function choose_event_date(holder, date) {
	//var old = jQuery(holder).val();
	//if (old != "") {
	//	jQuery(holder).val(old+","+date);
	//}
	//else {
		jQuery(holder).val(date);
	//}
}

function addEventDate(holder, pid, event_date) {
	var url =  "http://www.vietnam-sketch.com/wp-content/plugins/sketch_calendar_widget/php/add_event_date.php?pid="+pid+"&date="+event_date;
	var success = function(t){doCompleteAddEventDate(holder, t);}
	var myAjax = new Ajax.Request(url, {method:'post', onSuccess:success});
	return false;
}
function delEventDate(holder, id, pid) {
	var url =  "http://www.vietnam-sketch.com/wp-content/plugins/sketch_calendar_widget/php/del_event_date.php?id="+id+"&pid="+pid;
	var success = function(t){doCompleteAddEventDate(holder, t);}
	var myAjax = new Ajax.Request(url, {method:'post', onSuccess:success});
	return false;
}
function doCompleteAddEventDate(holder, t) {
	jQuery("#"+holder).html(t.responseText);
}