How do I remove a page from the browser history?

Question

I have an have an ASP.Net page which contains a button. This Page contains a ServerSide Paypal button.

When pushed my server does various clever things on the back end a

Answer 1

You could simply programme your page not to submit, or to do something / navigate somewhere else, if window.referer is the Paypal page you are trying to avoid invoking a second time.