Sharepoint 2010 : UI - Status Bar, Notification & ModalDialog

The Interesting part in Sharepoint 2010 is UI improvements and new features such as 

1. Status Bar
2. Notification
3. ModalDialog,
4. Themes

All these features require Javascript Framework/library and it is in sharepoint root\templates\layouts\SP.js

Note : Click the below images to see the enlarged image.