unitLoadingDialog.setVisible(false);
unitLoadingDialog.hide();
    public void run() {        // Loading mechs can take a while, so it will have its own thread.        // This prevents the UI from freezing, and allows the        // "Please wait..." dialog to behave properly on various Java VMs.        filterMechs();        unitLoadingDialog.setVisible(false);        final Hashtable hFailedFiles = MechSummaryCache.getInstance().getFailedFiles();        if (hFailedFiles != null && hFailedFiles.size() > 0) {            UnitFailureDialog unitFailureDialog = new UnitFailureDialog(m_client.frame, hFailedFiles); // self-showing dialog        }    }