Interactive demo page on table column and table row collapse and visibility in DOM 2 compliant browsers

Table caption
1st col.2nd col.3rd col.4th col.5th col. and some longer text
2nd rowtheadabcdabcdabcd
5th rowtfootabc
3rd rowtbodyabcabcabc
4th rowtbodyababab
Column visibility
1st col2nd col.3rd col.4th col.5th col.
Row visibility
1st row
2nd row
3rd row
4th row
5th row

Incompatibilities and bugs in this page

border collapse doesn't work when visibility:collapse is active (Bug 242997)
visibility: collapse causes incorrect overflow area to be reported (Bug 242998)

Valid HTML 4.01! Valid CSS!