var host = document.location.host;
var domain = "lineage2.com.cn";
var hosts = host.split(".");
if (hosts.length > 1) {
    hosts.splice(0, 1);
    domain = hosts.join(".");
}

if (domain = "lineage2.sdo.com") {
    domain = "lineage2.com.cn";
}

var l2_domain = "";
var l2_secureHost = "localhost:4001"//"secure." + domain; //""
if (host.indexOf("localhost") == -1)
    l2_secureHost = "secure." + domain;
var l2_secureprotocal = "http://";

document.write("<iframe src='" + l2_secureprotocal + l2_secureHost + "/loginmodule.aspx?returnURL=" + encodeURIComponent(location.href.replace("lineage2.sdo.com", "lineage2.com.cn")) + "' width='100%' frameborder='0' height='52' scrolling='no'></iframe>");