Flash Bug Needs to be Squashed

This help request is for a fully functional website with a flash header that incorporates the navigation of the website. My website has an intermittent problem where sometimes the links work, sometimes they don't (clicking them does nothing). This problem occurs on many different computers and browsers so it is verifiable. But sometimes it seems to work and if you click on a text link then go back to the flash navigation it works fine. The website was built on the MODx platform (cms). The problem, we're guessing, may have something to do with the action script or implementation on the website. We will give ftp access, admin access to modx, and email you the .fla file.