Custom menu linking to subdomain with

I have a made a node (id=10) : Send to all affiliates
and put in in a menu called adminmenu.

Now i put the menu block into a theme on a subdomain.

The links directs to :
www.domain.com/node/10
i want direct it to
sub.domain.com/node/10

is this possible

thanks in advance,
Pindaman