function Cookie(document, name, hours, path, domain, secure)
{

this.$document = document;
this.$name = name;
//if (hours)
//	this.$expiration = new Date((new Date()).getTime() + hours*3600000);
//else this.$expiration = null;
if (hours)
	this.$expiration = new Date((new Date()).getTime() + hours*3600000);
else this.$expiration = null;
if (path) this.$path = path; else this.$path = null;
if (domain) this.$domain; else this.$domain = null;
if (secure) this.$secure = true; else this.$secure = false;
}

function _Cookie_store()
{

	var cookieval = "";
	for(var prop in this) {

		if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function'))
			continue;
		if (cookieval != "") cookieval += '&';
		cookieval += prop + ':' + escape(this[prop]);
	}

var cookie = this.$name + '=' + cookieval;
if (this.$expiration)
	cookie += '; expires=' + this.$expiration.toGMTString();
if (this.$path) cookie += '; path=' + this.$path;
if (this.$domain) cookie += '; domain=' + this.$domain;
if (this.$secure) cookie += '; secure';

this.$document.cookie = cookie;

}
//
function _Cookie_load()
{
//
	var allcookies = this.$document.cookie;
	if (allcookies == "") return false;
//
	var start = allcookies.indexOf(this.$name + '=');
	if (start == -1) return false;	
	start += this.$name.length + 1;	
	var end = allcookies.indexOf(';', start);
	if (end == -1) end = allcookies.length;
	var cookieval = allcookies.substring(start, end);
//
	var a = cookieval.split('&');
	for (var i=0; i < a.length; i++)
		a[i] = a[i].split(':');
//
	for(var i = 0; i < a.length; i++) {
		this[a[i][0]] = unescape(a[i][1]);
//		alert(this[a[1][0]]);
		password=this[a[1][0]];
	}
//
	return true;
}
//
function _Cookie_remove()
{
	var cookie;
	cookie = this.$name + '=';
	if (this.$path) cookie += '; path=' + this.$path;
	if (this.$domain) cookie += '; domain=' + this.$domain;
	cookie += '; expires=Fri, 02-Jan-1970 00:00:00 GMT';

	this.$document.cookie = cookie;
}
//
var password;
new Cookie();
Cookie.prototype.store = _Cookie_store;
Cookie.prototype.load = _Cookie_load;
Cookie.prototype.remove = _Cookie_remove;
//
var visitordata = new Cookie(document, "rhoadley.net/blogs/art", 240);
var h_test;
//
if (!visitordata.load() || !visitordata.name || !visitordata.color || password!="a") {
	visitordata.name = "user";
	visitordata.color = prompt("What is the password?", "");

	if (visitordata.color != "a") {
		h_test = 0;
	}
	else {
		h_test = 1;
	}
	
	if (h_test == 1) {
		load();

if (visitordata.visits == null) visitordata.visits = 0;
visitordata.visits++;

visitordata.store();

	}

	else {
		alert("Incorrect password!  This was changed on 28th April 2005.  Email r.j.hoadley@apu.ac.uk for more details.");
		load_fail();
	}
}
else
	load();