These are all free documents, help yourself if they are useful to you. My clients receive customised documents, specific to their environment.
Cisco VPN Client
Step-by-step guide to installing the Cisco VPN Client and configuring it with your Connection Entry.
How to Install and Configure the Cisco VPN Client
Wireless Networking
Confused when using a manufacturer-specific wireless application in Windows XP?
How to Enable and Disable Windows Control of Wireless Adapters