Is it possible to place javascript in a pier page?
Certainly, you can put any HTML into a page:
<div onClick="new Effect.Shake(this)">Click Me</div>
For example this wiki-line should shake the text when you click it
(you need to have the Scriptaculous libraries loaded).
Cheers,
Lukas
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Lukas Renggli
http://www.lukas-renggli.ch