function setCookie(name, value, expires, path, domain, secure) {
         var curCookie = name + "=" + escape(value) +
         ((expires) ? "; expires=" + expires.toGMTString() : "") +
         ((path) ? "; path=" + path : "") +
         ((domain) ? "; domain=" + domain : "") +
         ((secure) ? "; secure" : "");
         document.cookie = curCookie;
}
function getCookie(name) {
        var dc = document.cookie;
        var prefix = name + "=";
        var begin = dc.indexOf("; " + prefix);
        if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
        } else
        begin += 2;
        var end = document.cookie.indexOf(";", begin);
        if (end == -1)
        end = dc.length;
        return unescape(dc.substring(begin + prefix.length, end));
}