// ------------------------------------------
// class Cookie
// ------------------------------------------
function Cookie(document, name, hours, path) {
	this.$document = document;
	this.$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;
}

Cookie.prototype.store = function() {
	var cookieval = '';
	for(var prop in this) {
		if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function')) continue;
		if (cookieval != '') cookieval += '&';
		cookieval += prop + ':' + decodeURI(this[prop]);
	}
	
	var cookie = this.$name + '=' + cookieval;
	if (this.$expiration) cookie += '; expires=' + this.$expiration.toGMTString();
	if (this.$path) cookie += '; path=' + this.$path;
	this.$document.cookie = cookie;
}

Cookie.prototype.load = function() {
	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]] = encodeURI(a[i][1]);
	}
	return true;
}