It's not possible to view individual nodelets as if they were normal nodes. They are, in fact, nodes, but going to them is only possible for pmdevils, and serves to view their source.
OTOH, it is possible to view the right-hand frame of fullpage chat as a full node -- showotherusers.
Warning: Unless otherwise stated, code is untested. Do not use without understanding. Code is posted in the hopes it is useful, but without warranty. All copyrights are relinquished into the public domain unless otherwise stated. I am not an angel. I am capable of error, and err on a fairly regular basis. If I made a mistake, please let me know (such as by replying to this node).