How to get No of Users Logged in Server SAP NW 7.3

Hi All,

                I have created a j2ee Application using SAp NW 7.3 as my j2ee server.  Now i want to monitor the users logged in, Reports and All.  In my application there is no iViews and Portal Pages .

         So Obviously Data colletor/ Report won't work over here.  I'm Trying to use Willy Introscope will it help me regarding this??

         Or is there any other tool which will monitor such activities. I want the activities for past one month or one week.

Regards

Karthik