Changing the contact form to an enquiry form - Joomla! Forum - community, help and support

hi - want change normal contact form act general inquiry form. there easy way do/hack this? want form come , ask customer details , nature of enquiry posted destination coming particular email address. want add option uplad graphic file , of course - needs captcha or other anti-spam thing.......

suggest reviewing several extensions available instead of core hack.

http://extensions.joomla.org/extensions/contacts-and-feedback/contact-forms
http://extensions.joomla.org/extensions/contacts-and-feedback/forms

in fact, if using extensions related forms information stored permanently in database.