Hi,
I have the same issue on my PC with IE6 viewing your link. The issue is ../ was used as a directory traversal attack a long time ago in IE and Microsoft block this (forget which patch). This is not WC3 compliant html code.
You only need the ./ to get the picture or set a full to the image. This will fix it for newer and updated IE installations. Check this out on a PC not in your network.
Cheers,
-TT