// JScript 文件
var curLanguage = 'en'; 
function changeLanguage (lang) {

   if (lang != curLanguage) {

             // Modify to fit how many lanuages you have

             if (lang != 'en' && lang != 'sc' && lang != 'tc') 

                        lang = curLanguage;

             

             var replacefrom = '/'+curLanguage+'/';

             var replaceto = '/'+lang+'/';

             

             var hrefto = location.href.replace(replacefrom, replaceto);

             window.location = hrefto;

   }

}