var bookTitle = "¹«Á¦";
var pageWidth_2X = 843;
var pageWidth_1X = 481;
var pageHeight_2Y = 1091;
var pageHeight_1Y = 623;
var sliceNumber = 6;
var sliceImgHeight = 181;
var briefLeftPage = 1;
var firstPage = 1;
var lastPage = 22;
var currentPage = 1;