private function waitForContainerText($container_id, $text, $timeout = 5000, $inverse = false)
    {
        $this->waitForCondition(sprintf('var container = window.document.getElementById(%s);
				(container && container.textContent.indexOf(%s) %s -1);', SwatString::quoteJavascriptString($container_id), SwatString::quoteJavascriptString($text), $inverse ? '===' : '>'), $timeout);
    }