private void initLuaEnv()
	{
		String dllFilename = "luajava-1.1.dll";
		String luabinPath = jdkDir + "\\bin\\" + dllFilename;

		File luaDllfile = new File(luabinPath);
		if(luaDllfile.exists())
		{
			return;
		}
		else
		{
			FileUtil.copyFile("lib\\" + dllFilename, luabinPath);
		}
	}