WHen I goto
http://www.getinpulse.com/pulsesdk and click on any of the links I get what is in the attached screen shot. When i viewed the source code for the page, it looks like it's coded, just not showing up.
I am using Internet Explorer 9.
EDIT: I think I just found the problem.
On line
http://www.getinpulse.com/pulsesdk/drawing/ source code line 70 says
It should be
I tested this and it seems to work on a locally saved file.