code: static String getStrDefaultTimeout()
  	{
  		//	Check if already done
  		if (default_timeout==null)
  			if ((default_timeout=System.getProperty("TANGO_TIMEOUT"))==null)	//	From JVM property
  				if ((default_timeout=System.getenv("TANGO_TIMEOUT"))==null)		//	From Environment property
  					default_timeout = getFromEnvFile("TANGO_TIMEOUT");		//	From Environment file
  		//	else
  		return default_timeout;
  	}
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