footerStick technique allows the footer of a Web page to appear either at the bottom of the browser window or the bottom of the Web page content – whichever is visually lowest.

Resolution dependent layout

Resize your browser window below (or above) 800 pixels wide to change the layout of the content.

This script uses javascript to trigger the display of a pop-up tooltip on mouseover you can assign the tooltip to any element of your page and then keeps the tooltip stuck to the mouse.

Note the light weight XHTML. I have done away with all inline event handlers, no more onmouseover="over(1)" and similar trash in our beautiful XHTML!

Ext JS: Extend the Web. World-class JavaScript, Ajax and UI Components

Перевод статьи "jQuery for JavaScript programmers", в которой автор высказывает свое мнение об этой библиотеке, ориентируясь, в первую очередь, на продвину