[Setting up apache for multiple webname(.com) through a static ip]

basicaly i have a apache web server(on a static IP address running trustix (trustix.com )) that I want to have run two different web sites.
[img]http://www.rehabnetwork.ca/config.bmp[/img] or http://www.rehabnetwork.ca/config.bmp  (manual link)
current config above

so i have 2 sites

rehabnetwork.ca and digitaldatasolutions.org
the static IP on the web is https://70.55.228.23


above was my first configuration ... I then went on to use the automated add website button build into trustix.. then my configuration look like this
[img]http://www.rehabnetwork.ca/config2.bmp[/img]



So exacaly how does this work .... and how should I have it set up?

Thanks much bytes for you help and explansion....