||Sounds like the JRE version is the problem. Please refer to our software requirements under the Tournament menu. I looked on www.apple.com, and Java 2 should be supported on their next release of Mac OS X. If you know of any way to get Java 1.2 compliance on a current version of Mac OS, please let us know.
With regard to the HTML, thank you for taking the time to check us out on the validator. We realize we do need some HTML scrubbing, and are working on it.