CSS Menu Browser Compatibility (ie7 problem)

Hello everyone,

I'm relatively new to CSS and recently took over an existing joomla website for a client.

I am having a problem getting my CSS menu to function properly in IE7.
For some reason my last menu item is being placed under my first menu item.

Using Firebug I have determined that it does not appear to be a width issue.
However, as stated, I could be wrong.

Also, something worth mentioning...
There are also existing tables setup.

Any help would be appreciated.

Can you post a link to your site?