I have a simple Java program that includes a robot which clicks things inside of a browser based on pixel location. It works on Safari, but not on Opera. Why is this? Is it because of the Java version I have? Is it because Opera is a 32-bit browser? Could somebody explain to me how to allow the Java program to run when my browser is Opera?

For reference: http://help.opera.com/opera/Mac/1558/en/index.html (See bottom where it discusses why Java may not be working.)

I'm running a Mac OS X 64-bit machine.

I even restored to Java SE 6.