function tidyHTML($html) {
        // load our document into a DOM object
        $dom = new DOMDocument();
        // we want nice output
        $dom->preserveWhiteSpace = false;
        libxml_use_internal_errors(true);
        $dom->loadHTML($html);
        libxml_use_internal_errors(false);
        $dom->formatOutput = true;
        return($dom->saveHTML());
    }