function get_pcalendar(year,mon){
	if (document.getElementById('pcalendar') != null){
		document.getElementById('pcalendar').innerHTML = '<div id="waiting">Now Loading...</div>';
	}
	var ie6flg = 0;
	if (typeof document.body.style.maxHeight == "undefined"){ ie6flg = 1; }
	if (year == null){ year = ''; }
	if (mon == null){ mon = ''; }
	var request = createRequest();
	var param = 'year=' + year + '&mon=' + mon + '&ie6flg=' + ie6flg;
	if (request){
		request.open('POST','/pcalendar.php',true);
		request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		request.send(param);
	}
	request.onreadystatechange = function(){
		if (request.readyState == 4 && request.status == 200){
			document.getElementById('pcalendar').innerHTML = request.responseText;
		}
	}
}

function view_pcomment(num){
	document.getElementById('pcalendar_' + num).style.display = 'block';
}

function hidden_pcomment(num){
	document.getElementById('pcalendar_' + num).style.display = 'none';
}

function createRequest(){
	if (window.ActiveXObject){
		try {
			return new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e1){
			try {
				return new ActiveXObject("Microsoft.XMLHTTP");
			}catch (e2){
				return null;
			}
			
		}
	}else if (window.XMLHttpRequest){
		return new XMLHttpRequest();
	}else{
		return null;
	}
}