Originally Posted by xdoomx SleekSkins isn't... mainly because of our JS fading buttons (3 out of the 4 errors). The original layout without the JS rollovers was W3C compliant though. http://validator.w3.org/check?uri=www.sleekskins.com

that javascript error is actually pretty easy to fix

change

<script language="JavaScript">

to
<script type="text/javascript"

...img/button_home.gif" alt="Home" name="but1" class="imgFader" onmouseover="JSF

should be

...img/button_home.gif" alt="Home" id="but1" class="imgFader" onmouseover="JSF