Jquery conflict

Hi,
i got this jquery error
Timestamp: 10-Feb-13 3:40:16 PM
Error: TypeError: $(…).lofJSidernews is not a function

so the slider is not working in my theme, can you advise me regard this error, how can i get work slider with my theme?

http://ww.wp.xz.cn/extend/plugins/easing-slider/