Loses static IP address, Vista Business

>I have an IBM laptop with vista business. For home, I use the wireless
> connection and for work, I use the wire connection. The work connection
> uses
> a static ip address.
>
> The first time, I went in the wire connection and set the ip address,
> mask,
> gateway and DNS accordingly and everything works fine. After work, I put
> the system to sleep and come in the next day and the static information is
> no
> longer set in the connection.... Why? I change it back again, however I
> just
> checked it again and the static information is no long there!
>
> Also, coming out of sleep, the wireless connection is not found....had no
> problem with XP or W2K... Have to log off and log back on....
>
> Is there a solution to these problems?
>
> Thx.