var Cookie = {
  data: {},
  options: {expires: 1, domain: "", path: "", secure: false},

    init: function(options, data) {
        Cookie.options = Object.extend(Cookie.options, options || {});

        var payload = Cookie.retrieve();
        if(payload) {
            Cookie.data = payload.evalJSON();
        }
        else {
            Cookie.data = data || {};
        }
        Cookie.store();
    },
    getData: function(key) {
        return Cookie.data[key];
    },
    setData: function(key, value) {
        Cookie.data[key] = value;
        Cookie.store();
    },
    removeData: function(key) {
        delete Cookie.data[key];
        Cookie.store();
    },
    retrieve: function() {
        var start = document.cookie.indexOf(Cookie.options.name + "=");

        if(start == -1) {
            return null;
        }
        if(Cookie.options.name != document.cookie.substr(start, Cookie.options.name.length)) {
            return null;
        }

        var len = start + Cookie.options.name.length + 1;
        var end = document.cookie.indexOf(';', len);

        if(end == -1) {
            end = document.cookie.length;
        }
        return unescape(document.cookie.substring(len, end));
    },
    store: function() {
        var expires = '';

        if (Cookie.options.expires) {
            var today = new Date();
            expires = Cookie.options.expires * 86400000;
            expires = ';expires=' + new Date(today.getTime() + expires);
        }

        document.cookie = Cookie.options.name + '=' + escape(Object.toJSON(Cookie.data)) + Cookie.getOptions() + expires;
    },
    erase: function(name) {
        document.cookie=name+"=''";
    },
    getOptions: function() {
        return (Cookie.options.path ? ';path=' + Cookie.options.path : '') + (Cookie.options.domain ? ';domain=' + Cookie.options.domain : '') + (Cookie.options.secure ? ';secure' : '');
    }
};

//egy másik cookie kezelő
function createCookie(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=/";
}

function readCookie(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;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}