function unserialize(ss) {
    var p = 0, ht = [], hv = 1; r = null;
    function unser_null() {
        p++;
        return null;
    }
    function unser_boolean() {
        p++;
        var b = (ss.charAt(p++) == '1');
        p++;
        return b;
    }
    function unser_integer() {
        p++;
        var i = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
        p++;
        return i;
    }
    function unser_double() {
        p++;
        var d = ss.substring(p, p = ss.indexOf(';', p));
        switch (d) {
            case 'NAN': d = NaN; break;
            case 'INF': d = Number.POSITIVE_INFINITY; break;
            case '-INF': d = Number.NEGATIVE_INFINITY; break;
            default: d = parseFloat(d);
        }
        p++;
        return d;
    }
    function unser_string() {
        p++;
        var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        var s = utf8to16(ss.substring(p, p += l));
        p += 2;
        return s;
    }
    function unser_array() {
        p++;
        var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        var a = [];
        ht[hv++] = a;
        for (var i = 0; i < n; i++) {
            var k;
            switch (ss.charAt(p++)) {
                case 'i': k = unser_integer(); break;
                case 's': k = unser_string(); break;
                case 'U': k = unser_unicode_string(); break;
                default: return false;
            }
            a[k] = __unserialize();
        }
        p++;
        return a;
    }
    function unser_object() {
        p++;
        var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        var cn = utf8to16(ss.substring(p, p += l));
        p += 2;
        var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        if (eval(['typeof(', cn, ') == "undefined"'].join(''))) {
            eval(['function ', cn, '(){}'].join(''));
        }
        var o = eval(['new ', cn, '()'].join(''));
        ht[hv++] = o;
        for (var i = 0; i < n; i++) {
            var k;
            switch (ss.charAt(p++)) {
                case 's': k = unser_string(); break;
                case 'U': k = unser_unicode_string(); break;
                default: return false;
            }
            if (k.charAt(0) == '\0') {
                k = k.substring(k.indexOf('\0', 1) + 1, k.length);
            }
            o[k] = __unserialize();
        }
        p++;
        if (typeof(o.__wakeup) == 'function') o.__wakeup();
        return o;
    }
    function unser_custom_object() {
        p++;
        var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        var cn = utf8to16(ss.substring(p, p += l));
        p += 2;
        var n = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        if (eval(['typeof(', cn, ') == "undefined"'].join(''))) {
            eval(['function ', cn, '(){}'].join(''));
        }
        var o = eval(['new ', cn, '()'].join(''));
        ht[hv++] = o;
        if (typeof(o.unserialize) != 'function') p += n;
        else o.unserialize(ss.substring(p, p += n));
        p++;
        return o;
    }
    function unser_unicode_string() {
        p++;
        var l = parseInt(ss.substring(p, p = ss.indexOf(':', p)));
        p += 2;
        var sb = [];
        for (var i = 0; i < l; i++) {
            if ((sb[i] = ss.charAt(p++)) == '\\') {
                sb[i] = String.fromCharCode(parseInt(ss.substring(p, p += 4), 16));
            }
        }
        p += 2;
        return sb.join('');
    }
    function unser_ref() {
        p++;
        var r = parseInt(ss.substring(p, p = ss.indexOf(';', p)));
        p++;
        return ht[r];
    }
    function __unserialize() {
        switch (ss.charAt(p++)) {
            case 'N': return ht[hv++] = unser_null();
            case 'b': return ht[hv++] = unser_boolean();
            case 'i': return ht[hv++] = unser_integer();
            case 'd': return ht[hv++] = unser_double();
            case 's': return ht[hv++] = unser_string();
            case 'U': return ht[hv++] = unser_unicode_string();
            case 'r': return ht[hv++] = unser_ref();
            case 'a': return unser_array();
            case 'O': return unser_object();
            case 'C': return unser_custom_object();
            case 'R': return unser_ref();
            default: return false;
        }
    }
    return __unserialize();
}
