// JavaScript Document
var langcodes=["cs","cz"];

// Browser Language Redirect script
// copyright 3rd January 2006, Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (with the sole exception
// of the langcodes array entries) is used without any alteration

var langCode = navigator.language || navigator.systemLanguage;
var lang = langCode.toLowerCase(); 
lang = lang.substr(0,2); 
var dest = window.location.href; 
for (i=langcodes.length-1;i >= 0; i--)
    {if (lang==langcodes[i]){dest = dest.substr(0,dest.lastIndexOf('.')) + '-' + lang.substr(0,2) + '.html'; window.location.replace ?window.location.replace(dest) :window.location=dest;}}