WordPress Plugin “Table of Contents Plus”
This is a must have for bloggers who write long structured articles and posts. It automatically adds a table of contents element to a page or post. It bases its contents on headings in the post. Fully configurable. Great benefit! Thanks to the author!
Plugin download page at wordpress.org:
http://wordpress.org/plugins/table-of-contents-plus/
Plugin homepage:
http://dublue.com/plugins/toc/