This Tutorial closely relates to: How to make a Porthole
Here we will tell you how to make a Shiny-orb-website-button in photoshop.
[1] Take a new file of 400 pixels, 400 pixels, of resolution 72 dpi in the RGB mode.
[2] Take the Gradient Tool use these settings.
[3] Fill the Background with the help of Gradient Tool, then take the Elliptical Marquee Tool, make a new layer create a shape and fill with Black color.
[4] Go to Blending Option use the following settings.
[5] Your image should be as shown below.
[6] Create a new shape with the help of Elliptical Marquee Tool.
[7] Now go to Blending Option use the following settings.
[8] Your image should be look like this.
[9] Now Cntl+Clink on this layer to make the selection.
[10] Take the Elliptical Marquee Tool use these settings.
[12] Go to Select>Feather Selection.
[13] Make a new layer and fill the selection with White color.
[14] Now change the Blending Mode to Overlay.
[15] Your image should be as shown below.
[16] Create a new shape with the help of Elliptical Marquee Tool.
[17] Take the Gradient Tool use these settings.
[18] Make the new layer and fill the selection with the help of Gradient Tool.
Done!
Although I think the last step(s) is very bad? The last white reflection is not really improving your work for me. 
Well thanks for the tutorial, I think it might be helpful for some people! 
