Static methods and properties on functions aren't mocked.

[Joe Spencer]

function myFunc(){alert('yay');}
myFunc.staticMethod=function(){};
myFunc.staticProperty=5;

var spiedMyFunc = spy(myFunc);

spiedMyFunc.staticMethod();//This should work but it doesn't I.E. for libraries like jQuery
equal(spiedMyFunc.staticProperty, 5);//should equal but it's not