HenrikJoreteg/add-keyup-events — pull request #2 by gdibble (2014-03-14 21:56:03+00:00)
Title: prevent IE 'SCRIPT65535: Argument not optional' error

fixes:
![image](https://f.cloud.github.com/assets/906846/2426303/5a95ae6c-abc3-11e3-830f-be5d81692df2.png)