function print_r(x, max, sMax, skipMethods, sep, l) {
    max = max || 10;
    sMax = sMax || 25;
    skipMethods = skipMethods || true;
    sep = sep || '  ';
    l = l || 0;
    if (l > max) return "[Stopped at " + l + " levels]\n";
    var i, r = '', t = typeof x, tab = '';
    if (x === null)
        r += "(null)\n";
    else if (t == 'object') {
        l++;
        for (i = 0; i < l; i++) {
            tab += sep;
        }
        if (x && x.length) {
            t = 'array';
        }
        r += '(' + t + ':' + l + ") :\n";
        for (i in x) {
            if (!(typeof x[i] == 'function' && skipMethods)) {
                try {
                    r += tab + '[' + i + '] : ' + print_r(x[i], max, sMax, skipMethods, sep, l);
                } 
                catch (e) {
                    return "[ERROR: " + e + "]\n";
                }
            }
        }
    }
    else {
        var slen = '';
        if (t == 'string') {
            slen = '[' + x.length + ']';
            if (x.length > sMax) {
                x = x.substr(0, sMax) + '...';
            }
        }
        if (!(t == 'function' && skipMethods)) {
            r += '(' + t + slen + ') ' + x + "\n";
        }
    }
    return r;
}