You can findefind the web page in the internet archive.
http://wayback.archive.org/web/*/http://quaternion.110mb.com/
But sadly, it is not very helpful.
Please have a look at the following scientific paper. http://www.scss.tcd.ie/publications/tech-reports/reports.06/TCD-CS-2006-46.pdf It explains in detail, what you have to do.