function checkLanguage() {
  if (document.URL.indexOf("?") == -1 ) {
    if(document.cookie){ 
      lang_cookie = getCookie("lang");
      if (lang_cookie != null) {
       window.location="html/"+lang_cookie+"/home.html";
      }
    }
  }
}

function getCookie(sName) {
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++) {
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) {
      return unescape(aCrumb[1]);
    }
  }
  return null;
}

  
function setLanguage(lang) {
    var now = new Date();
    var exp = new Date(now.getTime() + 1000*60*60*24*365);
    document.cookie = "lang="+lang+"; expires="+exp.toGMTString()+";path=/";
}