//贴子ID，分页总数，每页数,重写后缀名
function btfy(id,js,pagesize,hz){
	var fystr = "";
    var fypage, fy;
            js = parseInt(js + 1);
            if (js % pagesize > 0)
                fypage = parseInt(js / pagesize) + 1;
            else
                fypage = js / pagesize;
            if (fypage > 1)
                {
                fystr = "<span class=\"bt_page\">[<img src=\"image/fy.gif\" />";
                if (fypage <= 4)
                    {
                    for (fy = 1; fy < fypage + 1; fy++)
                        {
                        fystr += "<a href=\"" + id + "-p" + fy + "."+hz+"\" target=\"_blank\">" + fy + "</a>";
                        }
                    }
                else
                    {
                    for (fy = 1; fy < 4; fy++)
                        {
                        fystr += "<a href=\"" + id + "-p" + fy + "."+hz+"\" target=\"_blank\">" + fy + "</a>";
                        }
                    fystr += "...<a href=\"" + id + "-p" + fypage + "."+hz+"\" target=\"_blank\">" + fypage + "</a>";
                    }
                fystr += "]</span>";
                }
document.write(fystr);
}