static public function extractRequestID($xml)
	{
		$look = array(
			
			);
		
		if (false !== ($start = strpos($xml, ' requestID="')) and 
			false !== ($end = strpos($xml, '"', $start + 12)))
		{
			return substr($xml, $start + 12, $end - $start - 12);
		}
		
		return false;
	}