function strtolower (str) {
    return (str + '').toLowerCase();
}
var language;
  if (navigator.userLanguage) // Explorer
    language = strtolower(navigator.userLanguage);
  else if (navigator.language) // FF
    language = strtolower(navigator.language);
  else
    language = "en";
    
if ( language.indexOf('zh-cn') > -1 )   document.location.href = 'ch/index.html';
else if ( language.indexOf('da') > -1 ) document.location.href = 'da/index.html';
else if ( language.indexOf('de') > -1 ) document.location.href = 'de/index.html';
else if ( language.indexOf('el') > -1 ) document.location.href = 'el/index.html';
else if ( language=='en' ) document.location.href = 'en/index.html';
else if ( language.indexOf('es') > -1 ) document.location.href = 'es/index.html';
else if ( language=='fr' ) document.location.href = 'fr/index.html';
else if ( language.indexOf('it') > -1 ) document.location.href = 'it/index.html';
else if ( language.indexOf('ja') > -1 ) document.location.href = 'ja/index.html';
else if ( language=='nl') document.location.href = 'nl/index.html';
else if ( language.indexOf('no') > -1 ) document.location.href = 'no/index.html';
else if ( language.indexOf('pt') > -1 ) document.location.href = 'pt/index.html';
else if ( language.indexOf('sv') > -1 ) document.location.href = 'sv/index.html';
else if ( language.indexOf('zh') > -1 ) document.location.href = 'zh/index.html';

else if ( language=='en-us') document.location.href = 'en-us/index.html';
else if ( language=='en-za') document.location.href = 'en-za/index.html';
else if ( language=='en-au') document.location.href = 'en-au/index.html';
else if ( language=='en-gb') document.location.href = 'en-gb/index.html';
else if ( language=='en-ca') document.location.href = 'en-ca/index.html';
else if ( language=='nl-be') document.location.href = 'nl-be/index.html';
else if ( language=='fr-be') document.location.href = 'fr-be/index.html';
else if ( language=='fr-ca') document.location.href = 'fr-ca/index.html';
else if ( language.indexOf('hu') > -1 ) document.location.href = 'hu/index.html';
else if ( language.indexOf('tr') > -1 ) document.location.href = 'tr/index.html';
else if ( language.indexOf('bg') > -1 ) document.location.href = 'bg/index.html';
else if ( language.indexOf('et') > -1 ) document.location.href = 'et/index.html';
else if ( language.indexOf('cs') > -1 ) document.location.href = 'cs/index.html';
else if ( language.indexOf('fi') > -1 ) document.location.href = 'fi/index.html';
else if ( language.indexOf('ru') > -1 ) document.location.href = 'ru/index.html';
else if ( language.indexOf('sr') > -1 ) document.location.href = 'sr/index.html';
else if ( language.indexOf('ro') > -1 ) document.location.href = 'ro/index.html';
else if ( language.indexOf('pl') > -1 ) document.location.href = 'pl/index.html';
else if ( language.indexOf('af') > -1 ) document.location.href = 'af/index.html';
else if ( language.indexOf('hi') > -1 ) document.location.href = 'hi/index.html';

else document.location.href = 'en/index.html';