[jQuery] please help me for the performance

[jQuery] please help me for the performance


url: http://chan.idv.tw:90/test/marquee/marquee.html
rar: http://chan.idv.tw:90/test/marquee/marquee.rar
Hi, this is a image marquee to display the product, I feel a little
bit lag when mouse over the image from left to right at the same time,
please help me to improve the performance.