var Cookie = {
	create: function(name, value, days) {
		var expires = '';
		if (days) {
			var date = new Date();
			date.setTime(date.getTime() + (days*24*60*60*1000));
			expires = '; expires=' + date.toGMTString();
		}

		document.cookie = name + '=' + value + expires + '; path=/';
	},

	read: function(name) {
		var value = null;
		document.cookie.split(';').find(function(cookie) {
			cookie = cookie.replace(/^\s+/, '');
			if (cookie.indexOf(name + '=') == 0) {
				value = cookie.substring(name.length + 1, cookie.length);
				return true;
			}
		});

		return value;
	},

	erase: function(name) {
		Cookie.create(name, '', -1);
	}
};