boolean validFile = true;
if ( returnVal == JFileChooser.APPROVE_OPTION) {
if ( theOperations.loadFile(fileDialog.getSelectedFile()) ) {
JFrame oldFrame = theCurrentFrame;
setManagementScreen(true);
ControlScreen cs = new ControlScreen(this, theOperations.getSimulator(), "", 0, 4, false);
//cs.drawVehicles(false);
//WelcomeScreen ws = new WelcomeScreen(this);
//cs.setVisible(true);
theCurrentFrame.setVisible(true);
oldFrame.dispose();