Elements does not include Photoshop's Actions Palette function. You can get an add on for elements that will is able to Play some Photoshop Actions in Elements. Not all Photoshop Actions actions can be played for some action use Photoshop features that are not in Elements like Photoshop Scripting. http://help.adobe.com/en_US/PhotoshopElements/8.0/Win/Using/WS961FF412-5006-4364-B315-1576 62B1F7E9.html
Since the automation framework is sort of in place in PSE8, some JS scripts will work as well provided they only use the subset of the PS DOM that PSE supports. There are those of us that hope that PSE9 has more complete (and portable) support but I doubt that it will formally supported in the near future.