Possible Duplicate:How bad is it to use display: none in CSS? I am planning to use Accrodion and Jquery in My website. previously to animate the contents in the website i used Flash but content (text ) in the flash are not indexable in the search engine and since major contents of my site comes with in animated Tab using Accordion and J query and most of the text are hidden in DIV so i want to know whether this will effect the SEO.Because most of the contents are hidden initially by default and by definition of Black hat Seo,this sounds similar to black hat SEO ...will google treat my site same as Black hat SEO or Is using Accordion in website is acceptable in SEO ? 
using Accordion, Jquery ,will it affect SEO?
seo;search engines;blackhat