// show blocking dialog
if (owner != null) { dialog.setLocationRelativeTo(owner); }
else { dialog.setLocationRelativeTo(JHylaFAX.getInstance()); }
dialog.setTitle(i18n.tr("HylaFAX Server"));
dialog.setModal(true);
dialog.showDialog();
// at this point t is guranteed to be finished
jobRunning = false;
// XXX what if the errordialog is displayed?