bname = navigator.appName;
dCookie = 0;
bIE = 1;

if (bname.indexOf("Netscape") != -1)
{
	bIE = 0;
	new Cookie();
	Cookie.prototype.write = CookieWrite;
	Cookie.prototype.del = CookieDelete;
	Cookie.prototype.read = CookieRead;

	var myCookie = new Cookie(document, "TestCookie", 1);
	myCookie.test = "test";
	myCookie.write();

	if ((!myCookie.read()) || (myCookie.test != "test"))
		dCookie = 1;
	else
		myCookie.del();
}

if (bname.indexOf("Microsoft") != -1)
{	
	if (!window.navigator.cookieEnabled)
		dCookie=1;
}

function Cookie(document, name, hours, path, domain, secure)
{
	this.$doc = document;
	this.$name= name;
	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.$domain = domain;
	else
		this.$domain = null;
	if (secure)
		this.$secure = true;
	else
		this.$secure = false;
}

function CookieWrite()
{
	var cookieval = "";
	for (var prop in this)
	{
		if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function') || (prop == '')) 
			continue;
		if (cookieval != '')
			cookieval += '&';
		cookieval += prop + ":" + escape(this[prop]);
	}
	var cookie = this.$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.$secure)
		cookie += "; secure";
	this.$doc.cookie = cookie;
}

function CookieRead()
{
	var allcookies = this.$doc.cookie;
	if (allcookies == "")
	{
		return false;
	}
	var start = allcookies.indexOf(this.$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]);
	return true;
}

function CookieDelete()
{
	var cookie = this.$name + '=';
	if (this.$path)
		cookie += "; path=" + this.$path;
	if (this.$domain)
		cookie += "; domain=" + this.$domain;
	cookie += "; expires=Fri, 02-Jan-1970 00:00:00 GMT";
	this.$doc.cookie = cookie;
}
