Bake Cookies

var bake_cookie = (function () {

  function decode (string) {
    return decodeURIComponent(
      string.replace(/%2[1789A]/gi, function(d){
        return String.fromCharCode(parseInt(d.slice(1), 16));
      })
    );  
  }

  function encode (string) {
    return encodeURIComponent(string).replace(/[!'()*]/g, function(d){
        return "%" + d.charCodeAt(0).toString(16);
    });
  } 

  return {
    set: function(name, value, exdays){
      var exdate,
          c_value = encode(value);
      if (exdays) {
          exdate = new Date();
          exdate.setDate(exdate.getDate() + exdays)
          c_value += ";expires=" + exdate.toUTCString();
      }
      document.cookie = encode(name) + "=" + c_value;
    },
    get: function (name) {
      var match = document.cookie.match(new RegExp("(?:^|[ ;]+)" + encode(name) + "=([^;]*)(?:[ ;]+|$)"));
      if (match) {
           return decode(match[1]);   
      }
      return null;
    }
  };
}());
// set cookie  
bake_cookie.set('test','set',1);
// get cookie
alert(bake_cookie.get('test'));