function setCookie(cookieName, cookieValue, expirationDays) {
    var d = new Date();
    d.setTime(d.getTime() + (expirationDays * 24 * 60 * 60 * 1000));
    var expires = "expires=" + d.toUTCString();
    document.cookie = cookieName + "=" + cookieValue + ";" + expires + ";path=/";
}

function getCookie(cookieName) {
  var name = cookieName + "=";
  var decodedCookie = decodeURIComponent(document.cookie);
  var cookieArray = decodedCookie.split(';');
  for (var i = 0; i < cookieArray.length; i++) {
      var cookie = cookieArray[i];
      while (cookie.charAt(0) === ' ') {
          cookie = cookie.substring(1);
      }
      if (cookie.indexOf(name) === 0) {
          return cookie.substring(name.length, cookie.length);
      }
  }
  return "";
}