Help me about Browser Problem

[SNaRe]

Hello
I have a website
http://www.vizyonmax.com/
The sidebar is nice at mozilla firefox
but at internet explorer browser shows and error and sidebar is bold. I couldn't understand what the problem is.
If someone can help me i will be appriciated thanks

[camp185]

I would check your code. Just doing a quick look at it I saw open list tags, and that would probably mess things up.

[ChitikaGuide.Com]

Website looks nice in both IE and firefox :D

[SNaRe]

Problem solved
there was 1 more <h4>
This was problem