Discover ZebraZapps - All About Rollovers
All ZebraZapps objects recognize when the pointer is over them, when they've been clicked, dragged, and so on.
But sometimes we need to react to individual parts of an object, such as areas of a photo.
In such cases, we can just outline areas with the sketch tool and then "cloak" the sketches so they aren't seen, effectively creating an interactive rollover.
Check out this app to see an example of how to use rollovers in ZebraZapps.