Basic 2D water (waves) example

I am looking for a basic example of 2D water with waves appearance, when you click it. I saw at page http://www.gamedev.net/reference/list.asp?categoryid=72#152 and found similar effect (http://www.gamedev.net/reference/articles/article915.asp), but it was wrote with DirectX, not OpenGL. Anyone know it's OpenGL implementation?