Cookie = { 

            get: function(key) {

                        var cookies = document.cookie.replace(/;\s+/gi, ";").split(";");

                        for (var i = 0; i < cookies.length; i++) {

                                    var cookie = cookies[i].split("=");

                                    if (cookie[0] == key) return cookie[1] || "";

                        }

            },

            set: function(key, value, hours) {

                        var date = new Date();

                        date.setTime(date.getTime() + hours * 60 * 60 * 1000);

                        var expires = hours ? ";expires=" + date.toGMTString() : "";

                        document.cookie = key + "=" + escape(value) + expires + ";path=/";

            },

            unset: function(key) {

                        if (this.get(key)) this.set(key, "", 0);

            }

}