How to change Alternating Row Color for Forums

[muimui]

hello,how to change background color in every forum category.

https://vborg.vbsupport.ru/ (http://imageshack.us/photo/my-images/827/56369504.gif/)

[socialteenz]

<a href="http://www.go4expert.com/articles/alternating-colored-rows-vbulletin-4-t25160/" target="_blank">http://www.go4expert.com/articles/al...etin-4-t25160/</a>

[muimui]

i think its not working at vb4.2 version..