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 |