/*
function redirToLang(pageName) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  var lang = "en";
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == "lang") {
      lang = pair[1];}} 
  document.location.href="/"+lang+"/"+pageName;}
  
function redirToPro(pageName) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  var lang = "en";
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == "lang") {
      lang = pair[1];}} 
  document.location.href="/pro/"+pageName+"?lang="+lang;}}
  */