新闻自动收报机 - 使用下一个和上一个按钮自动更改div

I am new to JQuery so please be gentle. I have a news ticker built up in html and css with JQuery activating the next and previous buttons. I am looking get the div's to auto play on load but still allow the user to use the navigation buttons. I seem to be able to get either the navigation or the auto play to work but not together. Any chance someone can help me out. I know I am missing something big but I can't seem to figure it out. My code can be seen here - I am new to JQuery so please be gentle. I have