if(idx < 0) { idx = stream.toLowerCase().indexOf(tag.toLowerCase()); }
    private void insertInResponseBeforeTag(WOResponse res, String content, String tag) {        String stream = res.contentString();        int idx = stream.indexOf(tag);        if(idx >= 0) {            String pre = stream.substring(0,idx);            String post = stream.substring(idx, stream.length());            res.setContent(pre+content+post);        }    }