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.$secure = secure;
    else this.$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]);

    return true;
}


function _Cookie_remove() {
    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.$document.cookie = cookie;
}


new Cookie();
Cookie.prototype.store = _Cookie_store;
Cookie.prototype.load = _Cookie_load;
Cookie.prototype.remove = _Cookie_remove;