private void scrollRight(int move) {
		int lgth=timeLineObject.displayEnd-timeLineObject.displayStart;
		if((timeLineObject.displayEnd+move)>=timeLineObject.timeLineLength){ 
			timeLineObject.displayStart=timeLineObject.timeLineLength-lgth;
			timeLineObject.displayEnd=timeLineObject.timeLineLength;
		}
		else {
			timeLineObject.displayStart+=move;
			timeLineObject.displayEnd+=move;
		}
	}