Rails - Aug 2006 - Newbie Syntax Question: Insertion Bottom with link_to and render Partial

I want to use link_to/link_to_function and then use Insertion.Bottom
and also have render partial in it. I could not find one example with
all three and I have been working on syntax for it for a long time
now.

In effect I want the following: When I click on my link
                    <%= link_to_function("Post", "new
Insertion.Bottom(''oldpost'',render(:partial =>
''comment''))" )%>

Of course, my main concern is matching all the "s. And then getting
the html to render only when I click on "Post"

-Vinod