if(   window.navigator.systemLanguage=="zh-cn"  && location.hostname=="www.win-top.cn"  )   
        window.location="Ch/index.htm";  
 else if(   window.navigator.systemLanguage=="zh-cn" && location.hostname=="www.stdpower.com"  )   
        window.location="Std/index.htm";    
  else
        window.location="En/index.htm";
end