rowspan's under area in cell can't rollover with table caption tag in Firefox 3.6.3.

case: happen

Use table caption tag.

case: not happen

Not use table caption tag.

Use table caption tag and table caption tag's style is display:none.

Reference (W3C)

• 11.2.2 Table Captions: The CAPTION element
• 11.2.6 Table cells: The TH and TD elements
• 5.11.3 The dynamic pseudo-classes: :hover, :active, and :focus