What is this technology called, I see it on the web but never know!

talk random
1

Go to step 2 , and click on the component image.

http://www.flashframer.com/how-to-create-a-unique-circular-gallery-using-the-rotarygallery-flash-component/

Basically, it makes the entire browser go darker and it expands an image over the top of things. I’ve seen it done better in other places. But is it flash? how does it work?

I’ve been searching all over for it, cause I might want to use it for something. I want to use it in a blog type environment, where if you click an image it gets larger, and darkens all things behind it.

THANKS