Network Cable Unplugged issue

I have a WRT54G v6 router.  My desktop is wired and the internet works fine.  My laptop is connected wirelessly and recently cannot access the internet.
The laptop can connect to the wireless network successfully but cannot access the internet.  The Local Area Network states "network cable unplugged"  The router is set to WPA personal security.  It has always worked previously until approximately a week ago.  I've tried resetting the router and running it with no security but no success.  I'm running Windows XP on both computers.
Thanks in advance for any assistance.

sorry for the delay
this is the ip I  get when it is connected wirelessly:
Windows IP Configuration
       Host Name . . . . . . . . . . . . : Office
       Primary Dns Suffix  . . . . . . . :
       Node Type . . . . . . . . . . . . : Hybrid
       IP Routing Enabled. . . . . . . . : Yes
       WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Wireless Network Connection 2:
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Broadcom 802.11b/g WLAN
       Physical Address. . . . . . . . . : 00-14-A5-BA-AE-DB
       Dhcp Enabled. . . . . . . . . . . : No
       IP Address. . . . . . . . . . . . : 192.168.0.1
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Default Gateway . . . . . . . . . :
Ethernet adapter Local Area Connection:
       Media State . . . . . . . . . . . : Media disconnected
       Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Eth
ernet NIC
       Physical Address. . . . . . . . . : 00-16-D4-39-4F-4A
This is what I get when I connect to the router with an ethernet cable:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\Documents and Settings\Michael Hernandez>ipconfig /all
Windows IP Configuration
       Host Name . . . . . . . . . . . . : Office
       Primary Dns Suffix  . . . . . . . :
       Node Type . . . . . . . . . . . . : Hybrid
       IP Routing Enabled. . . . . . . . : Yes
       WINS Proxy Enabled. . . . . . . . : No
       DNS Suffix Search List. . . . . . : ph.cox.net
Ethernet adapter Wireless Network Connection 2:
       Connection-specific DNS Suffix  . :
       Description . . . . . . . . . . . : Broadcom 802.11b/g WLAN
       Physical Address. . . . . . . . . : 00-14-A5-BA-AE-DB
       Dhcp Enabled. . . . . . . . . . . : No
       IP Address. . . . . . . . . . . . : 192.168.0.1
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Default Gateway . . . . . . . . . :
Ethernet adapter Local Area Connection:
       Connection-specific DNS Suffix  . : ph.cox.net
       Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast E
ernet NIC
       Physical Address. . . . . . . . . : 00-16-D4-39-4F-4A
       Dhcp Enabled. . . . . . . . . . . : Yes
       Autoconfiguration Enabled . . . . : Yes
       IP Address. . . . . . . . . . . . : 192.168.1.110
       Subnet Mask . . . . . . . . . . . : 255.255.255.0
       Default Gateway . . . . . . . . . : 192.168.1.1
       DHCP Server . . . . . . . . . . . : 192.168.1.1
       DNS Servers . . . . . . . . . . . : 68.2.16.25
                                           68.2.16.30
                                           68.6.16.30
       Lease Obtained. . . . . . . . . . : Sunday, April 08, 2007 11:28:47 AM
       Lease Expires . . . . . . . . . . : Monday, April 09, 2007 11:28:47 AM

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