function loadStrings($strings) {
        // Load some commonly used strings
        if (get_string_manager()->string_exists($this->title, 'tool_xmldb')) {
            $this->str['title'] = get_string($this->title, 'tool_xmldb');
        } else {
            $this->str['title'] = $this->title;
        }

        // Now process the $strings array loading it in the $str atribute
        if ($strings) {
            foreach ($strings as $key => $module) {
                $this->str[$key] = get_string($key, $module);
            }
        }
    }