Lan or wan connected but Firefox cant't go online

00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)
00:1c.2 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 3 (rev 05)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 05)
00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)
12:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g LP-PHY (rev 01)
13:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
documents@ubuntu:~$ sudo lshw -C network
[sudo] password for documents:
  *-network
       description: Wireless interface
       product: BCM4313 802.11b/g LP-PHY
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:12:00.0
       logical name: eth1
       version: 01
       serial: 94:39:e5:e8:ff:bb
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=5.60.48.36 ip=10.42.43.1 latency=0 multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:fbe00000-fbe03fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168B PCI Express Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:13:00.0
       logical name: eth0
       version: 06
       serial: 18:03:73:a5:fc:67
       size: 100MB/s
       capacity: 1GB/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.5 latency=0 link=yes multicast=yes port=MII speed=100MB/s
       resources: irq:44 ioport:e000(size=256) memory:d0b04000-d0b04fff memory:d0b00000-d0b03fff
documents@ubuntu:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

eth1 IEEE 802.11 Access Point: Not-Associated
          Link Quality:5 Signal level:199 Noise level:163
          Rx invalid nwid:0 invalid crypt:0 invalid misc:0

documents@ubuntu:~$ ndisgtk
documents@ubuntu:~$ wpasupplicant
No command 'wpasupplicant' found, did you mean:
 Command 'wpa_supplicant' from package 'wpasupplicant' (main)
wpasupplicant: command not found
documents@ubuntu:~$ wpa_supplicant
wpa_supplicant v0.6.10
Copyright (c) 2003-2009, Jouni Malinen <email address hidden> and contributors

This program is free software. You can distribute it and/or modify it
under the terms of the GNU General Public License version 2.

Alternatively, this software may be distributed under the terms of the
BSD license. See README and COPYING for more details.

This product includes software developed by the OpenSSL Project
for use in the OpenSSL Toolkit (http://www.openssl.org/)

usage:
  wpa_supplicant [-BddhKLqqstuvW] [-P<pid file>] [-g<global ctrl>] \
        -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] [-p<driver_param>] \
        [-b<br_ifname>] [-f<debug file>] \
        [-N -i<ifname> -c<conf> [-C<ctrl>] [-D<driver>] \
        [-p<driver_param>] [-b<br_ifname>] ...]

drivers:
  wext = Linux wireless extensions (generic)
  nl80211 = Linux nl80211/cfg80211
  wired = wpa_supplicant wired Ethernet driver
options:
  -b = optional bridge interface name
  -B = run daemon in the background
  -c = Configuration file
  -C = ctrl_interface parameter (only used if -c is not)
  -i = interface name
  -d = increase debugging verbosity (-dd even more)
  -D = driver name
  -f = log output to debug file instead of stdout
  -g = global ctrl_interface
  -s = log output to syslog instead of stdout
  -K = include keys (passwords, etc.) in debug output
  -t = include timestamp in debug messages
  -h = show this help text
  -L = show license (GPL and BSD)
  -p = driver parameters
  -P = PID file
  -q = decrease debugging verbosity (-qq even less)
  -u = enable DBus control interface
  -v = show version
  -W = wait for a control interface monitor before starting
  -N = start describing new interface
example:
  wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf
documents@ubuntu:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 18:03:73:a5:fc:67
          inet addr:192.168.1.5 Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: fe80::1a03:73ff:fea5:fc67/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:20 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1229 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1482 (1.4 KB) TX bytes:1052918 (1.0 MB)
          Interrupt:44

eth1 Link encap:Ethernet HWaddr 94:39:e5:e8:ff:bb
          inet addr:10.42.43.1 Bcast:10.42.43.255 Mask:255.255.255.0
          inet6 addr: fe80::9639:e5ff:fee8:ffbb/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:2467
          TX packets:92 errors:24 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:35903 (35.9 KB)
          Interrupt:17

lo Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:16436 Metric:1
          RX packets:181 errors:0 dropped:0 overruns:0 frame:0
          TX packets:181 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:36556 (36.5 KB) TX bytes:36556 (36.5 KB)

documents@ubuntu:~$ aplay/usr/share/sound/alsa/Front_Center.wva
bash: aplay/usr/share/sound/alsa/Front_Center.wva: No such file or directory
documents@ubuntu:~$ lscpi
No command 'lscpi' found, did you mean:
 Command 'lscpu' from package 'util-linux' (main)
 Command 'lscp' from package 'nilfs-tools' (universe)
 Command 'lspci' from package 'pciutils' (main)
lscpi: command not found