function getCookie(Name) {
  var search = Name + "="
  if (document.cookie.length > 0) { // ÄíÅ°°¡ ¼³Á¤µÇ¾î ÀÖ´Ù¸é
    offset = document.cookie.indexOf(search)
    if (offset != -1) { // ÄíÅ°°¡ Á¸ÀçÇϸé
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset)
      // ÄíÅ° °ªÀÇ ¸¶Áö¸· À§Ä¡ À妽º ¹øÈ£ ¼³Á¤
      if (end == -1)
        end = document.cookie.length
      return unescape(document.cookie.substring(offset, end))
    }
  }
}

function setCookie (name, value, expires) {
  document.cookie = name + "=" + escape (value) +
    "; path=/; expires=" + expires.toGMTString();
}