COOKIES:

Cookies must be enabled to login in to any account on Mission:Teach.
If login is unsuccessful, check that cookies are allowed, at least for the active session.

JavaScript:

JavaScript must be enabled in for Mission:Teach to function as expected.

SECURITY:

Security settings must allow SSL 2.0 and/or SSL 3.0 to access the password-protected areas.

WINDOWS:

For best results use Mozilla (Firefox). There are minor unintended display issues with Internet Explorer and Opera on a Windows computer.

MAC:

For best results use Mozilla (Firefox).

There are serious compatibilty problems with Safari 2 as not all navigation will work. Safari 3 Public Beta seems to function just fine, but there are some unintended display errors unique to Safari. OS 10.4 or higher must be installed to use Safari 3.

While, Internet Exlporer for the Mac will display or navigate as expected, it is obsolete as it is no longer supported.

There are minor compatibility issues with Opera 9 and serious incompatibility problems with earlier versions of Opera.

Fun Fact:

Interested in what browsers are the most used? See Broswer Statistics .