This property sets
or returns the domain name of the server from which the document originated.
This defaults to the domain name of the server that the document was retreived
from, but can be changed to a suffix (and only a suffix) of this name.
This allows the sharing of script properties, security allowing, between
documents delivered from different servers providing they share the same
The way you can alter the domain name property is very limited. For example,
if a document was retreived from the URL 'search.devguru.com', you could
change the domain property to 'devguru.com' but not 'search.devguru'.
These examples relate to a document retreived from the URL 'search.devguru.com'
document.domain = "devguru.com" //
This example is o.k.
document.domain = "search.devguru" // This example
is not allowed
document.domain = "devguru.net" // This example is