Edit: Works now, thanks for fixing it so fast.
That's what I get now using Opera 11.11 32bit on Linux.
Uncaught exception: ReferenceError: Security error: attempted to read protected variable: toString
Error thrown at line 9, column 22266 in x(a, b, c) in http://www.everyjs.com/js/libs/sproutcore-2.0.a.3.min.js:
if(g&&g.toString===e)