Seems that there is a common problem in Firefox + Windows https://www.google.es/search?client=ubuntu&channel=fs&q=svg+firefox+windows+hangs&ie=utf-8&oe=utf-8&redir_esc=&ei=L5ZIUPS0O4XKhAe8xoCIAw
so it's no in our hands to solve (we can only vote the bugs).

Bug #259: Seems that the tutorials are not working properly in W$7

• Author: Vicente J. Ruiz Jurado
• Status: New
• Priority: Normal
• Assignee: Vicente J. Ruiz Jurado
• Category: Documentation
• Target version:
• Resolution:

Windows 7, Firefox 12.

Some url to test:
http://social.gloobal.net/tutorials/docs.svg#es