I'm sure this is a newbie question. I just installed joomlacomment 3.26 on joomla 1.5.9 with legacy support. The comment plugin is laid out fine on my site, but firebug tells me there's a javascript error:

JOSC_http is not defined

Then I try to use the actual comments plugin and I get a warning about a lot of vars not being defined:

JOSC_editPost is not defined, etc.

I viewed my source and sure enough, there's no <script> tag that references a client.js or anything that appears to define those variables. Should I add that script tag myself in my template or should the plugin be doing that on its own?