function SetCookie(name, data, days) {
  var v_Stop = new Date();
  v_Stop.setTime(v_Stop.getTime() + days * 24 * 3600 * 1000);
  document.cookie = name + "=" + data + "; expires=" + v_Stop.toGMTString();
}

function GetCookie(name) {
  var j = name + "=";
  var i = document.cookie.indexOf(j);
  if ( i == -1 )
    return "";
  i += j.length;
  if ( i >= document.cookie.length )
    return "";
  var l = document.cookie.indexOf(";", i);
  if ( l == -1 )
    l = document.cookie.length;
  return document.cookie.substring(i, l);
}