function read_counter()
{
	var domain = "kasaharan.com";
	//var domain = "163.43.128.78";
	var baseURL = "http://" + domain + "/access/";


	//-------- 初期化 --------
	var req;
	
	//-------- XMLHTTPオブジェクト作成 --------
	if(window.XMLHttpRequest) { // IE以外
	    req = new XMLHttpRequest();
	} else if(window.ActiveXObject) { // IE
	    try {
	        req = new ActiveXObject("Msxml2.XMLHTTP");
	    } catch(e) {
	        req = new ActiveXObject("Microsoft.XMLHTTP");
	    }
	}
	
	//-------- アクセス --------
	//ブラウザのキャッシュ対策
	var url, dummy;
	
	dummy = (new Date()).getTime();
	//url = baseURL + "access.php?" + dummy;
	url = baseURL + "access.php?ref=" + document.referrer + "&access=" + get_cookie("access");


	req.open("GET", url, true); //true:非同期通信
	req.onreadystatechange = function() { //状態が変更されたらこの関数を呼ぶ
		if (req.readyState == 4 && req.status == 200) {
			var tmp = (req.responseText).split(",");
			document.getElementById("ac_total").innerHTML = tmp[0];
			document.getElementById("ac_today").innerHTML = tmp[1];
			document.getElementById("ac_yesterday").innerHTML = tmp[2];
		}
	}
	req.send(""); //送信


	var date = new Date();
	date.setHours(date.getHours() + 1);
	document.cookie = "access=true;domain=" + domain + ";expires=" + date.toGMTString() + ";";


	showMessage();
}
function get_cookie( key )
{
	var tmp = document.cookie + ";";
	var pos = tmp.indexOf( key, 0 );
	if ( pos != -1 )
	{
		tmp = tmp.substring( pos, tmp.length );
		var start = tmp.indexOf( "=", 0 );
		var end = tmp.indexOf( ";", start );
		return( tmp.substring( start + 1, end ) );
	}
	return "";
}
function showMessage()
{
	//document.getElementById("menu").innerHTML='<a href="http://kasaharan.com/">トップページ</a>&nbsp;&nbsp;<span style="color: #FF0000;font-weight:bold;">7/9(金)24:00～メンテナンス中。</span>';
	//document.getElementById("menu").innerHTML='<a href="http://kasaharan.com/">トップページ</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="http://goo.gl/saigai" target="_blank"><span style="color: #FF0000;font-weight:bold;">東北地方太平洋沖地震に関する災害情報をまとめたページ(Google)</span></a>';
}