1. The welcome screen starts with a landscape picture in the background. After a second the file appears in a minimized form and gets bigger and finishes in the skew position in the middle of the screen.
2. When the user clicks on a tab the file opens, zooms in and straightens from the skew position to show the selected page.
3. Whenever a new page is requested, there is a page turning simulation.
The technology is not important (may also be Flash), as long as it works in the important browsers and degrades gracefully for the older ones.