Fix regressions in test_validate.html from [19023]:     - syntax error and other errors causing test to hang on IE    - made doh.is(NaN, NaN) work
Fix regressions in test_validate.html from [19023]: 
   - syntax error and other errors causing test to hang on IE
   - made doh.is(NaN, NaN) work

Refs #9566 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@19107 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful