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();
		}
		else 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) {
		cookie.create(name, "", -1);
	},
	
	enabled: function() {
		var r = false;
		cookie.create("__test", "1", 1);
		if (cookie.read("__test") != null) {
			r = true;
			cookie.erase("__test");
		}
		return r;
	}
};