function loadMonth(year, month) {
	if(__calendarApi) {
		var apiURL = __calendarApi+year+'/'+month;
		var req = new XMLHttpRequest();
		req.open("POST", apiURL, true);
		req.onreadystatechange = function(){
			if (req.readyState==4) {
				if (req.status==200) {
					setAg(req.responseText);
				}
			}
		}
		req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	    req.setRequestHeader("Content-length", 0);
	    req.setRequestHeader("Connection", "close");
		req.send('');
	}
}


var __agendaNode;
function setAg(html) {
	if(!__agendaNode) { __agendaNode = document.getElementById('agenda'); }
	__agendaNode.innerHTML = html;
}