PUBLIC MARKS with tags navigation & js

This jQuery plugin supplies an easy way to unobtrusively add a letter-based navigation widget to any UL or OL list. An easily stylable (via CSS) nav bar appears above the list, showing the user the letters A-through-Z. Clicking one of the letters filters the list to show only the items in the list that start with that letter.

在 focus 時會 slide 那個底線過去，效果不錯