var LatestID = "155";
var LatestDATE = "09/10/22";

var path=window.location.href;
var Filename=path.substring(path.lastIndexOf('/',path.length)+1,path.length);


//表紙となるファイル名
var TitleFileName = "tokyosabaku_index.htm";


// 各読み物系のファイル名構造
// 接尾語の長さを決定したら＿をはさんで、回数、日付の並び

var FNameStart = 12;
var FNameNoStart = FNameStart;
var FNameNoEnd = FNameStart + 3;
var FNameDateStart = FNameNoEnd + 1;
var FNameDateEnd = FNameDateStart + 6;

var NowPageID = Filename.substring(FNameNoStart,FNameNoEnd);
var NowPageDATE = Filename.substring(FNameDateStart,FNameDateEnd);
var NowPageDATE_FULL = NowPageDATE.substring(0,2) + "/" + NowPageDATE.substring(2,4) + "/" + NowPageDATE.substring(4,7);

if (Filename == TitleFileName){

    NowPageID = LatestID;
    NowPageDATE = LatestDATE;

    document.write("<b>第" + NowPageID + "回&nbsp;" + NowPageDATE + "</b>");

} else{

    document.write("<b>第" + NowPageID + "回&nbsp;" + NowPageDATE_FULL + "</b>");

}