BeanUtils.copyProperties() vs. ActionForm-Value Object mapper

I just found this mapper at: http://www.mycgiserver.com/~andrej/technical/struts/struts.jsp I am just starting to look into this. I can see right away that the advantage to using the mapper is that it's not as ugly. I think this mapper is a step in the right direction, but the fact that it

How to use Tiles or templates with CSS and Javascript

Where do you add your Javascript when using Tiles? You are not supposed to put content into the template file. Say you have the standard template: html:html head titleblah/title /head body tiles:insert attribute=header/ tiles:insert attribute=body/ tiles:insert attribute=footer/ /body