This was a very popular problem, there some ways to try to substitute that lack...U could see some were http://www.mail-archive.com/wsg%40webstandardsgroup.org/msg26048.html
-- http://www.artideias.com
There is another example and a way of do it...It´s in portuguese my native, but if you follow the cod it´s easy, and pretty-- http://www.artideias.com
d try put both float and u will see that the height it's influenced by both elements...
This it´s the cause to FF it does not recognize the height and join the both height-- Nuno Gaspar - Designer ---http://www.artideias.com
same nivel and you have to ajust to the text box-- Nuno Gaspar - Designer ---http://www.artideias.com