Different Logo on Homepage

Hello,

I see that you replied to someone asking for a different logo on the home page in this thread:

It seems, however, that the final solution isn’t indicated in the thread. The code example given:

add_filter('avf_logo','av_change_logo');
function av_change_logo($logo)
{
    if(is_home())
    {
    $logo = "http://kriesi.at/wp-content/themes/kriesi/images/logo.png";
    }
    return $logo;
}

…doesn’t seem to work. Do you know what the correct code is? I’m trying not to show the logo on the main page at all, so I was substituting a 1px x 1px PNG image, but it’s not working.

Any suggestions?

Thanks, Seth