Help On Black Glass/Shiny Plastic Effect

I'm (as always) in the process of making another design. My problem is that I'm really not that good, haha. What I'm trying to do is have a 175x500 10px radius black rounded rectangle have a sort glass/plastic effect to it. Most glass effects that I've seen done are on circles and I'm having trouble applying it to a rectangle, and the fact that it's black doesn't help. I'm hoping to have it go all away around or have it on two sides and a very light impression of it on the other two. I don't have any references, but the closest I could come up with:

http://gameboy.ign.com/articles/457/457945p1.html

I'd really appreciate the help.

are you talking about this:???

Yeah, I'm trying to get a realistic glare like that. I couldn't find anything else to compare my request to.

Frank Jaeger wrote:

Yeah, I'm trying to get a realistic glare like that. I couldn't find anything else to compare my request to.

here, I have something for you:

http://www.allarcade.com/j.psd [right click, sava target as..]

do not know it is what you wanted:(

That's sort of what I want, but not exactly. I was getting results like that too. I'm not sure exactly how to explain or exactly what I want it to look like, but I'm sure I'll get it eventually, thanks for the help noxcel. Oh, and here's another link, but again maybe not the style I want. I'll post when I'm done.

http://www.savva.com.au/forums/savva/forum/TutorialsList.asp