IFRAME inside TFOOT

A Cell | THEAD blah blah blah blah blah blah THEAD | A Cell
A Cell |  | A Cell
A Cell | TBODY blah blah blah blah blah blah TBODY | A Cell

IFRAME inside TBODY

A Cell | THEAD blah blah blah blah blah blah THEAD | A Cell
A Cell | TFOOT blah blah blah blah blah blah TFOOT | A Cell
A Cell |  | A Cell

IFRAME inside THEAD

A Cell |  | A Cell
A Cell | TFOOT blah blah blah blah blah blah TFOOT | A Cell
A Cell | TBODY blah blah blah blah blah blah TBODY | A Cell