// Creates a cookie object
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 (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;
}

// Concatenates the properties of the Cookie object and stores them in a single cookie
Cookie.prototype.store = function() {
    var cookieValue = "";
    for (var property in this) {
        if ((property.charAt(0) == '$') || ((typeof this[property]) == 'function')) continue;
        if (cookieValue != "") cookieValue += '&';
        cookieValue += property + ':' + escape(this[property]);
    }
    var cookie = this.$name + '=' + cookieValue;
    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;
}

// Loads the properties of the Cookie object
Cookie.prototype.load = function() {
    // Extract the cookie value
    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 cookieValue = allCookies.substring(start, end);
    // Extract the properties of the Cookie object from the cookie value
    var a = cookieValue.split('&');
    for (var i = 0; i < a.length; i++) a[i] = a[i].split(':');
    // Set the properties of the Cookie object
    for (var i = 0; i < a.length; i++) this[a[i][0]] = unescape(a[i][1]);
    return true;
}

// Removes the cookie
Cookie.prototype.remove = function() {
    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;
}