Monitoring HTTP from a spacific node

Please Help!

I want to monitor web site from a specific node (Preferably the poller)

I have been looking at this document

HTTP Monitor

I need help trying to implement this.

Can anyone help me with an example of how to go about this.

At the moment I am trying to add a node with the web site address but I have been told that I can add this component monitor to a node but I have not done this before.

Regards,

David