jquery slider jerky in chrome and safari

Does anybody know why this slider works well in every browser excep开发者_如何转开发t for safari and chrome?

www.aus-media.com/dev/site_BYJ/about-bikram-yoga/postures-benefits.html

Let me know if seeing the code will help.

Thanks Nik

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Ok I worked it out for myself for once. I was float:left on the parent div for the slider. I removed float left... and presto it works.