[aiky]

var lc = function(id){
  if(!lc.base[id] || !lc.base[id][lc.is[lc.cur]]) return id;
  return lc.base[id][lc.is[lc.cur]];
};

lc.is = {
  'ru':0,
  'en':1
};

lc.cur = 'en';

lc.init = function(){
  var lc = navigator.browserLanguage;
  if(!lc) lc = navigator.language;
  lc = lc.substring(0,2).toLowerCase();
  if(typeof(lc.is[lc]) != 'undefined') this.cur = lc;
};

lc.base = {
  'ru':['Русский','Russian'],
  'en':['Английский','English'],
  ...
}