//カレンダー表示
function chmonth(date)
{
	httpObj = createXMLHttpRequestOp(displayDataOp);
	try{
		if (httpObj)
		{
			httpObj.open("POST","/g/control",false);
			httpObj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			httpObj.send("requestId=RCALENDAR_M_CH&CH_MONTH_FLG=true"+date);
			return;
		}
		else{
			alert("ご使用のブラウザではご利用できません。");
		}
	}catch(e){
		alert("ご使用のブラウザではご利用できません。");
	}
}

//カレンダー表示
function displayDataOp()
{
	try{
		if ((httpObj.readyState == 4) && (httpObj.status == 200))
		{
			$("calendar_m_area").innerHTML = httpObj.responseText;
		}
	}catch(e){
		alert("ご使用のブラウザではご利用できません。");
	}	
}

// HTTP通信用、共通関数
function createXMLHttpRequestOp(cbFunc)
{
	var XMLhttpObject = null;
	var objectPattern = null;
	try{
		XMLhttpObject = new XMLHttpRequest();
		objectPattern = "0";
	}catch(e){
		try{
			XMLhttpObject = new ActiveXObject("Msxml2.XMLHTTP");
			objectPattern ="1";
		}catch(e){
			try{
				XMLhttpObject = new ActiveXObject("Microsoft.XMLHTTP");
				objectPattern ="2";
			}catch(e){
				return null;
			}
		}
	}
	if (XMLhttpObject){
		var ua=navigator.userAgent;
		if(ua.indexOf("MSIE 7.0") !=-1){
			XMLhttpObject.onreadystatechange = cbFunc;
		}
		if(objectPattern =="0"){
			XMLhttpObject.onload = cbFunc;
		}else{
			XMLhttpObject.onreadystatechange = cbFunc;
		}
	}
	return XMLhttpObject;
}

function $(tagId)
{
	return document.getElementById(tagId);
}