Tabs
http://stilbuero.de/jquery/tabs/
Accordion
http://www.i-marco.nl/weblog/jquery-accordion-menu/
Table Sorter
http://tablesorter.com/docs/
Show/Hide
http://www.mredesign.com/demos/jquery-effects-1/
Autocomplete
http://www.pengoworks.com/workshop/jquery/autocomplete.htm
Tooltip
http://www.codylindley.com/blogstuff/js/jtip/