Fixed multiple issues on IE where setting onreadystatechange directly causes weird errors on IE 8.
Fixed multiple issues on IE where setting onreadystatechange directly causes weird errors on IE 8.

git-svn-id: f9d823c90a32400593a994373deabe1ce7dbadd7@355 917dd4d6-6a9c-4700-b622-114467236220

lehni/bootstrap.js,lehni/bootstrap.js,lehni/bootstrap.js