This is a novel idea for pop out/hover boxes or light box java script effect that is translucent. It’s easier to see the concept than for me to explain so visit Glassbox to see the applications.
This is a JavaScript User Interface (UI) and the variety of applications are all listed on the site. With this you can build borders that give off light and an effect similar to flash. The visual appeal is that with an effect similar to filtered glass the dominant color of the page refects back into the pop up window.

Again, the images captures the use better than my description so I’ll need to dig into a thesaurus for better words than translucent. Needless to say it’s Open Source and has been tested with Firefox2 , IE 7, Firefox 2, Opera 9 and Safari 3.
Just worked it out….it’s like looking through frosted glass!!
Tim at greenseedwebdesign
