I know, this is now about the clarity template, but I had the same problem there.
I changed the URL to the whole link like:
<div id="s5_logo" style="cursor:pointer;" onclick="window.document.location.href='http://imhc.lisbert.de'"</div>
and additionally, I looked up the forum, because missing background images, I added the link of the whole site to the background image used in the template configuration.
So, the background images showed up everwhere.
Then I encountered a day later, that browsers chrome and IE 8
showed up like this in the screenshot.
And I changed everything back again, but this weird problem stays.
Help soon please. Forum is used daily.