Create log as user visit web sites

Question

I want to create log using sqlserver with " windows services 
or may be some thing else.
 
my issue is 
as user visit different web sites i want to create log for it
 
suppose 1 user visit yahoo.com then hotmail.com then google and so on 
 
my log would be like this
 
sno user id site visit datetime browser
---- ------- --------- -----
1 xyz yahoo.com 12/12/2011 3:40:5 ie
2 xyz hotmail.com 12/12/2011 3:45:15 ie
3 xyz google .com 12/12/2011 4:45:15 ie
 

kindly let me know can we do this by making window service ?
how to done this
thaks in Advance