Fresh Install(newbie) :how to start configuring wi fi

[levis lover]

i have just installed ubuntu 8.04 LTS but now want to connect my laptops wi-fi to the modem..
from where should i start?

lshw -C Network

PCI (sysfs)
*-network
description: Ethernet interface
product: 88E8038 PCI-E Fast Ethernet Controller
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 14
serial: 00:03:25:45:2f:06
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical
configuration: broadcast=yes driver=sky2 driverversion=1.20 firmware=N/A latency=0 module=sky2 multicast=yes
*-network UNCLAIMED
description: Ethernet controller
product: RTL-8185 IEEE 802.11a/b/g Wireless LAN Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 9
bus info: pci@0000:08:09.0
version: 20
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: latency=64 maxlatency=64 mingnt=32

[chili555]

You might check here: http://ubuntuforums.org/showthread.php?t=772006&highlight=RTL-8185 or here: http://www.willdaniels.co.uk/articles/10-howto/12-r8180-hardy