hidden control problem in IE 7.0

[sghsgm]

hi, i'm facing in trouble problem.
i developed joomla com and i use some hidden input control.
this com works fine in IE and ff.
by the way, the problem is different showing com in IE7.0 and ff.
hidden ctrl doesnt show in ff, but gap of number size of hidden ctrl show in IE 7.0
and img ctrl is same. i set img ctrl width attribute is 0.
but also small gap is show.
can you help me?
any suggestion will be welcome.
regards