customize scrollbar created by div overflow

[mtran]

Hi,
Is there a javascript, or CSS code that can customize the scroll bar created by div overflow.
Here's an example, look at the left hand side of this page.
http://siliconvalley.citysearch.com/section/restaurants_bars

Thanks.

[jscheuer1]

http://www.hesido.com/web.php?page=customscrollbar