i am using toshiba satillite a85-s1072 laptop and i have installed the FC 9 today. this laptop has Atheros AR5BMB5 wireless lan card. after installation i emtered the ssid of the router and WEP key in the nerwork manager.it was able to connect to my dsl router but i am not able to access the internet

. an other computer is connected to the same router with NIC cable.it is able to access internet. i am getting the Selinux errors.
1) SELinux is preventing the NetworkManager(NetworkManager_t) "unlink" to ./dhclient-wlan0.pid(var_run_t)
2) SELinux is preventing the dhclient(dhcpc_t) "write" to ./dhclient-wlan0.pid(var_run_t)
3) SELinux is preventing the dhclient(dhcpc_t) "read" to ./dhclient-wlan0.pid(var_run_t)
i have event tried to disable the wifi and tried with NIC cable. still it connects to the router but still i am not able to access internet

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i am able to access the router home page with both connections(wired and wireless). i am able to ping the other computer. but no internet access

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please help me.