My structure looks like this:

(dataroot)
_(level)
__(info)
___(company)somecomp(/company)
___(website)www.something.com (/website)
___(email)me@myself.com(/email)
__(/info)
__(info)
___(company)(/company)
___(website)(/website)
___(email)you@myself.com(/email)
__(/info)
_(level)
(dataroot)

I've got to append more <info> nodes. So I'm using this code:
sponsors.appendChild(sponsors.firstChild.firstChil d.lastChild.cloneNode(true));

Doesn't work though....please advise.