This is an interesting fireworks effect with the following attributes:
+ Makes use of VML support in IE5+ to render the stars. No graphics involved. + Uses conditional comments of IE5+ for backwards compatibility with other browsers. + Colors of fireworks fully customizable.
There are a couple of disadvantages, however. The script may not run smoothly on slow-end computers, and disabling of the horizontal scrollbar on the page is required (done by script automatically).