int indexOf(String strThreadID) {
   int iMonitorCount = pnlThread.getComponentCount();
   for (int iMonitorIndex = 0; iMonitorIndex < iMonitorCount; iMonitorIndex++) {
     PanelThreadMonitor mntTemp = ((PanelThreadMonitor) pnlThread.getComponentAt(iMonitorIndex));
     if (mntTemp.mstrThreadID.equals(strThreadID)) return iMonitorIndex;
   }
   return -1;
 }