When you create page in kohana you use several general css/js and more or less files specific only for several pages on site. It’s important include different files to different pages. So I realized this by creating abstract template class (in <site_root>/application/controllers/template.php).
I use in kohana myown helper that create pathes to resorces such as images, swf, swf, js etc. You can use it too it’s simple. There is it’s source: