Server side functionality - based upon the URL (Domain/Virtual Host)

Hi All

I need to apply a server side functionality which will be based upon the 
URL (Domain/Virtual Host) for which the request is coming. e.g. if the 
request is coming for www.abc.com server should treat it differently, 
else if it is coming for www.xyz.com or www.abc.ca it should be treated 
differently.

I wanted to achieve this using XSLT (if possible), please suggest how 
can I achieve this.


TIA

-- 
Anish Sneh
Software Engineer
Techblue Softwares Pvt. Ltd.
www.technologyblueprint.co.uk