cookies.js

cookies.js

var cookies = (function(){
    return {
        create: function(name, value, days) {
            if (days) {
                var date = new Date();
                date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
                var expires = "; expires=" + date.toGMTString();
            } else {
                var expires = "";
            }
            document.cookie = name + "=" + value + expires + "; path=/";
        },
        read: function(name) {
            var nameEQ = name + "=";
            var ca = document.cookie.split(';');
            for (var i=0; i < ca.length; i++) {
                var c = ca[i];
                while (c.charAt(0) == ' ') {
                    c = c.substring(1, c.length);
                }
                if (c.indexOf(nameEQ) == 0) {
                    return c.substring(nameEQ.length, c.length);
                }
            }
            return null;
        },
        erase: function(name) {
            cookies.create(name, "", -1);
        }
    };
})();