Unable to connect to Net with Wireless Connection

I surfed through here, didn't see anything, so, forgive
me if this is a double post.

Hardware:
MN-700
Netgear WG311 v2 Wireless adapter

OS:
XP Pro (Fully Updated)

I am able to connect via a wired connection fine,
everything works. I can setup a wireless connection with
WEP (64Bit), card connects and has a reasonably stable
connection (drops occasionally). However, if I sever the
wired connection the wireless connection drops instantly.
It recovers, but I am unable to connect to the net. I
haven't the slightest idea why it's not connecting and
allowing access.

Ideas?