public slideMediaObject(Integer branch,Integer duration,Integer startTime, Integer chapterBranch) {
		super();
		this.setOpaque(false);
		this.setLayout(null);
		this.branch = branch;
		this.chapterBranch = chapterBranch;
		if(duration == -1 || duration == 0)
		{
			this.finishTime = -1;
		}
		else
		{
			this.finishTime = duration + startTime;
		}
		this.startTime = startTime;


	}