is it possible to change 'class' property

[jthomas]

Hi

I have a button :
<input name="N" type="button" value="my Value" class="bN" />

and when user clicks on this button I would like to change its look to 'clicked' state.
I have another css class definition which can make desired look but, can I change class property using JS ?

[jthomas]

I've found an answer for my question

--> className <--