My current project allows users to subscribe to a membership without registering for a paypal account. 

The users' username and password is created and managed by my own application, not PayPal.

Can anyone tell me how to create an hTMl form that would cancel that subscription? Could I perhaps cancel a subscription by sending the `txn_id`??

I believe I can capture this info with the IPN.

I should also mention that I'm a DBA and not really a developer so bear with me if i'm a little newbish.

Thanks in advance.