Use JavaScript to change the color of the textarea scroll bars and buttons, and how to make the scroll bar flat _ form effects

How can I change the color of the textarea scroll bar and button, and how to make the scroll bar flatten rather than highlight
Thank you, I don't have much.
1 floor
<textarea style= "Scrollbar-face-color: #ffffff;
Scrollbar-highlight-color: #e7dbbd;
Scrollbar-shadow-color: #d9c69f;
Scrollbar-3dlight-color: #99cc99;
Scrollbar-arrow-color: #ffffff;
Scrollbar-track-color: #ffffff;
Scrollbar-darkshadow-color: #99cc99;
Scrollbar-base-color: #ffffff "cols=16 rows=4>
Fghdfgsertdfgdj
G;werosdfyhdfg
Ertgdfgsdfw
Dtyftghdfgowu
Ertty</textarea>
Available under XP. 2000 can't do it.
2 floor
Above code needs IE5.5 above
3 floor
For example: <textarea style= "scrollbar-base-color:red" rows= "7" cols= "></textarea>"
Scrollbar-3d-light-color the color of the solid scroll bar bright Edge
Scrollbar-arrow-color the color of the triangle arrow on the top and bottom buttons
Scrollbar-base-color the basic color of the scroll bar
Scrollbar-dark-shadow-color three-dimensional scroll bar strong shadow Color
Scrollbar-face-color the color of the protruding part of the solid scroll bar
Scrollbar-highlight-color the color of the blank part of the scroll bar
Scrollbar-shadow-color the color of the shadow of a stereo scroll bar