The Apache Redirect directive allows you to tell clients and browsers about documents which used to exist in one place but have since moved. This allows you to tell the clients and browsers where to look for the relocated document.
<virtualhost 192.168.1.100>
servername www.vincentwong.net# redirect errors page to some where else..
ErrorDocument 404 http://error.vincentwong.net
# list of redirects for [...]