// Sets cookie values. Expiration date is optional
function setCookie(name, value, expire) {
   document.cookie = name + "=" + escape(value)
   + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()))
}

//The following function returns a cookie value, given the name of the cookie
function getCookie(Name) {
   var search = Name + "="
   if (document.cookie.length > 0) { // if there are any cookies
      offset = document.cookie.indexOf(search)
      if (offset != -1) { // if cookie exists
         offset += search.length
         // set index of beginning of value
         end = document.cookie.indexOf(";", offset)
         // set index of end of cookie value
         if (end == -1)
            end = document.cookie.length
         return unescape(document.cookie.substring(offset, end))
      }
   }
}

function setLang(lang){
  var today = new Date(); 
  var expires = new Date();
  expires.setSeconds ( today.getSeconds() + 7*24*60*60 );
  setCookie("lang", lang, expires);
}

function checkLang(){
  var lang = getCookie("lang");
  if (lang != null){
    window.location.href="http://www.fonbet.info/"+lang+"/index.htm";
  }
}