This week's book giveaway is in the Agile and other Processes forum. We're giving away four copies of The Mikado Method and have Ola Ellnestam and Daniel Brolund on-line! See this thread for details.
First, does the Son One Web Server provide any Ant tasks? If so, you should read the docs on those tasks, they will make deployment simple.
If there are no such tasks, how do you go about manually, from the command line, deploying to that server? Once you know those steps, you can convert them into Ant tasks that do the same.