You can do that in HTML5. You could use CSS3 with animated gifs/pngs --- or go straight to the canvas. Either way would get it done. I'd vote for using canvas.

You can do that in HTML5. You could use CSS3 with animated gifs/pngs --- or go straight to the canvas. Either way would get it done. I'd vote for using canvas. I'll leave it to someone else to implement. I've got real applications to build today...