function initButtons() {
  //buttons['resources'] = new Button("resources");
  //buttons['videos'] = new Button('videos');
  //buttons['images'] = new Button("images");
  buttons['text'] = new Button("text");  
  buttons['schedule'] = new Button("schedule");
  buttons['techNotes'] = new Button("techNotes");
  buttons['optBtn2'] = new Button('optBtn2');
  buttons['optBtn3'] = new Button('optBtn3');
  }