I am using a Mac computer. I am using Firefox 6.0.2
Clear Cookies & Cache
Clear the Network Cache
Troubleshooting extensions and themes
Check and tell if its working.
BTW Your Flash plugin is quite older. You need to update it.
Adobe Flash Player 10.3.183.7 (2.94 MB)
=> When Downloading Plugins Update setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, Google Chrome, etc.)
Update All your Firefox Plugins
I closed Firefox and re-opened it. That fixed it. Not sure why. Cache was not full.