function setCookie(name, value, expire) {
  document.cookie = name + "=" + escape(value)
  + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
}

function getCookie(Name){
  var search = Name + "=";
  if (document.cookie.length > 0){
    offset = document.cookie.indexOf(search);
    if (offset != -1){
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      return unescape(document.cookie.substring(offset, end));
    }
  }
}