Fixed #106 -- Refrain from generating popup window names that IE refuses to...

Fixed #106 -- Refrain from generating popup window names that IE refuses to pop up.  Thanks for the reports and initial patches nbstrite and jsmullyan.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@9403 bcc190cf-cafb-0310-a4f2-bffc1f526a37