%LOGIN%
%LOGINURL%
/twiki/bin/login/TWiki/LinkingAndNavigationVariables?origurl=/twiki/bin/view/TWiki/LinkingAndNavigationVariables%3ft%3d2012-11-11T09%253A07%253A03Z
%LOGOUT%
%LOGOUTURL%
/twiki/bin/view/TWiki/LinkingAndNavigationVariables?logout=1