this.help = new CommonHelpDialog(this.frame, new File(helpFile));
this.help = new CommonHelpDialog(this.frame, new File(helpFileName));
    public void showHelp(String helpFile) {        // Do we need to create the "help" dialog?        if (this.help == null) {            this.help = new CommonHelpDialog(this.frame, new File(helpFile));        }        help.setFile(new File(helpFile));        // Show the help dialog.        this.help.show();    }