private static String determineOS()
	{
		String os = System.getProperty("os.name").toLowerCase();

		if(os.indexOf("linux") >= 0)
			return OS_LINUX;

		if(os.indexOf("mac") >= 0)
			return OS_MACOSX;

		if(os.indexOf("windows") >= 0)
			return OS_WIN32;

		if(os.indexOf("hp") >= 0 && os.indexOf("ux") >= 0)
			return OS_HPUX;

		if(os.indexOf("solaris") >= 0)
			return OS_SOLARIS;

		if(os.indexOf("aix") >= 0)
			return OS_AIX;

		if(os.indexOf("qnx") >= 0)
			return OS_QNX;

		handleError("Unknown Operating System", "Your operating system is unknown: " + os);

		return null;
	}