Show more Textboxes depending on option selected

[scouse]

Hi,

I've got a form where a user can select, using a dropdown, either a "business" or a "private" client.

If "private" is selected then they can just fill in the rest of the form. If "business" is selected I need 3 more additional text boxes added to the form for them to fill out.

How would I go about this?

Thanks

[Khalid Ali]

if you have first part working,then wha tyou can do is enclose3 text fields in a div,and when user makes the apropriate selection set the divs
display:
from none to block;