Finding out where Parameter came from

Hi,

I have a bit of code that pass a parameter say param1 as part of the URL. so i call myASPPage.asp?param1=yes

In the myASPPage.asp i am retrieving the variable via request.queryString("param1").

Is there any more properties of the request obj that tells me where the request comes from?

http://www.devguru.com/Technologies/asp/quickref/request.html