public void updateTimeLineDisplays() {
		timeLineDisplays.clear();
		tlBound.clearBoundedObjects();
		tlBound.addBoundedObject(topBarDraw);
		tlBound.addBoundedObject(inputBarDraw);
		tlBound.addBoundedObject(buttonsDraw);
		int ystart = 60;// start height
		int theTop=0;
		for (int i=0;i<timeLineSelection.size();i++) {
			TimeLineObject tlo = (TimeLineObject) timeLineSelection.get(i);
			TimeLineDraw tld  =  new TimeLineDraw(screenWidth, tlo.dispHeight, 0, ystart+theTop, tlo);
			timeLineDisplays.add(tld);
			tlBound.addBoundedObject(tld);
			theTop+=tlo.dispHeight;
		}
		thisFrame.setSize(screenWidth, tlBound.getTotalHeight()+BORDER_HEIGHT);
	}