// JavaScript Document
var strUrl,arrUrl,strPage
var leftStr,rightStr,lengthStr
var enlink,cnlink

strUrl=window.location.href; 
arrUrl=strUrl.split("/"); 
strPage=arrUrl[arrUrl.length-1]; 
if(strPage == "")
{
  strPage = "index.asp";
}

lengthStr=strPage.length;
leftStr=strPage.substring(0,2); 
rightStr=strPage.substring(2,lengthStr); 

//document.writeln(strPage); 
//document.writeln(leftStr); 
//document.writeln(rightStr); 


if(leftStr == "cn")
{
  enlink = rightStr;
  cnlink = strPage;
}
else
{
  enlink = strPage;
  cnlink = "cn" + strPage;
}

document.write("<a href=\""+cnlink+"\">中文</a> / <a href=\""+enlink+"\">English</a>");