small network

I have one pc on vista and one on xp and I want to network my files and give access to both users to the calender on one. they are currently connected to a dlink 4 port router adsl modem. we can get internet on both pcs.

 

You need a calendar application that allows Sharing.

As for the General Sharing capacity.

Successful Sharing involves some general consideration in Network settings,

http://www.ezlan.net/sharing.html

As well as specific adjustment of each computer according to what it is allowed to be shared.

Vista File and Printer Sharing- http://www.microsoft.com/technet/network/evaluate/vista_fp.mspx

Windows XP File Sharing - http://support.microsoft.com/default.aspx?scid=kb;en-us;304040

Printer Sharing XP - http://www.microsoft.com/windowsxp/using/networking/expert/honeycutt_july2.mspx

Windows Native Firewall setting for Sharing XP - http://support.microsoft.com/kb/875357

Windows XP patch for Sharing with Vista - http://support.microsoft.com/kb/922120