attribute of the below are not supported in ie8:
table.rows
rows.cells
select.options
except in ie 8, scripts that call attributes above run well in all other broswers.
well, it's not bug of ie8, you may find discussion about these in ie8 development group,
and may web developer like me are tring to persuade the ms to give up their stupid update, and to give attributes above back to us.