private void myListMouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_myListMouseReleased
        // TODO add your handling code here:
        if( myList.getSelectedIndex() != -1 && evt.isPopupTrigger() ) {
            UserListPopupMenu.show(evt.getComponent(), evt.getX(), evt.getY());
	}
    }//GEN-LAST:event_myListMouseReleased