final char in[] = query.toCharArray();
        int i, ch, st, eq;

        st = eq = 0;
        for (i = 0; i < in.length; i++) {
            ch = in[i];
            if (ch == '&') {
                if (eq > st) {
                    final String p = new String(in, st, eq - st);
                    if (p.equalsIgnoreCase(param)) {
                        eq++;