var nowtoday;
var nowback;
var nownext;
function getNTBday(sday) {
    var cyear = "";
    var cmonth = "";
    var cday = "";
    if (sday == "today") {
        var today = new Date();
        cyear = today.getYear();
        if (cyear < 1900)
            cyear += 1900;
        cmonth = today.getMonth() + 1;
        cday = today.getDate();
    } else {
        var today = sday.split('/');
        cyear = today[0];
        cmonth = today[1];
        cday = today[2];
    }

    var paras = 'Date=' + cyear + '/' + cmonth + '/' + cday + "&cache=" + (new Date()).getTime();
    new Ajax.Request("js/getNTBday.cgi", {
        method: "post",
        parameters: paras,
        onSuccess: GetNTBDateFromCGI,
        onFailure: function(httpObj) { $("messageWin").innerHTML = "エラーで読み込めませんでした<br>" + httpObj.status; }
    });
    $("messageWin").innerHTML = "LOAD:" + paras;
}
function GetNTBDateFromCGI(httpObj) {
    str = httpObj.responseText
    var paras = str.split(",");
    nowtoday = paras[0];
    nowback = paras[1];
    nownext = paras[2];
    $("inputdate").innerHTML = nowtoday;
//    $("messageWin").innerHTML = nowtoday+nowback+nownext;
    if (nowback == "0/0/0") {
        $("backdayselect").src = "pic/backdiary.gif";
    } else {
        $("backdayselect").src = "pic/backdiary_hi.gif";
    }
    if (nownext == "0/0/0") {
        $("nextdayselect").src = "pic/nextdiary.gif";
    } else {
        $("nextdayselect").src = "pic/nextdiary_hi.gif";
    }
    loadAndPut(nowtoday);
    PutTitleList(nowtoday);
}