protected function col_url($row) {
        global $OUTPUT;

        // Build the link to latest run for the script
        $scripturl = new moodle_url('/admin/tool/profiling/index.php', array('script' => $row->url, 'listurl' => $row->url));
        $scriptaction = $OUTPUT->action_link($scripturl, $row->url);

        // Decide, based on $this->listurlmode which actions to show
        if ($this->listurlmode) {
            $detailsaction = '';
        } else {
            // Build link icon to script details (pix + url + actionlink)
            $detailsimg = $OUTPUT->pix_icon('t/right', get_string('profilingfocusscript', 'tool_profiling', $row->url));
            $detailsurl = new moodle_url('/admin/tool/profiling/index.php', array('listurl' => $row->url));
            $detailsaction = $OUTPUT->action_link($detailsurl, $detailsimg);
        }

        return $scriptaction . '&nbsp;' . $detailsaction;
    }