There are CSS attributes responsible for controlling the scrollbar's coloring, everything from the background, foreground, to the little arrow at the two ends of the scrollbar.
--Your Normal code goes here
These attributes can be applied not only to the BODY element, but basically any element on your page that contains a scrollbar (such as <TEXTAREA>), for refinement.
Also, the CSS attributes relating to scrollbar coloring are scriptable.
//changes color of scrollbar arrows to blue
NOTE: This works only in IE 5.5 and higher Browser versions.