function Cookie(name) {
    this.$name = name;
    var allcookies = document.cookie;
    if (allcookies == "") return;
    var cookies = allcookies.split(';');
    var cookie = null;
    for(var i = 0; i < cookies.length; i++) {
        // Does this cookie string begin with the name we want?
        var str = cookies[i].replace(/^\s+|\s+$/g, '');
        if (str.substring(0, name.length+1) == (name + "=")) {
            cookie = cookies[i];
            break;
        }
    }
    if (cookie == null) return;
    var cookieval = cookie.substring(name.length+1);
    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]] = decodeURIComponent(a[i][1]);
    }
}
Cookie.prototype.store = function(daysToLive, path, domain, secure) {
    var cookieval = "";
    for(var prop in this) {
        if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function')) 
            continue;
        if (cookieval != "") cookieval += '&';
        cookieval += prop + ':' + encodeURIComponent(this[prop]);
    }
    var cookie = this.$name + '=' + cookieval;
    if (daysToLive || daysToLive == 0) { 
        cookie += "; max-age=" + (daysToLive*24*60*60);
    }
    if (path) cookie += "; path=" + path;
    if (domain) cookie += "; domain=" + domain;
    if (secure) cookie += "; secure";
    document.cookie = cookie;
}