[jQuery] Quick question about dimensions

[eric]

I've recently been exploring the jquery library and I apologize if
this is a silly question. But could someone post a simple example of
using the dimension library to position a div directly below a link. I
have tried something like this:

            $("#insertLink").click(function(){
                $("#insertDiv").offset($(this).offset());
                $("#insertDiv").toggle();
            });

but it doesn't seem to work. Am I missing something?