How to add scroll bar on your blog

How to add SCROLL BAR in a blog????

Hi frnds..

Wanna add a scroll bar : Then put the code *below in green* in between <p></p> & in place of scroll bar test write urcontent. :
<DIV style="SCROLLINGBAR-FACE-COLOR: white; SIZE OF A FONT: 8pt; SCROLLING BAR -HIGHLIGHT ED- COLOUR: whitee; OVERFLOW: auto; WIDTHS: 378px; SCROLLINGBAR-SHADOWS-COLORS: grays; COLOUR: blacks; FONTSFAMILY: arial; SCROLLBAR-DARKSHADOW COLOR: black; HEIGHT: 200px; BACKGROUND-COLOR: white">
<P>scrollbar test</P>
<P>scrollbar test</P>
<P>scrollbar test</P>
<P>scrollbar test</P>
<P>scrollbar test</P></DIV&gt;
Good luck, any troubles ask me!!!