Use this example of a form to return the viewer to the same page they left without having to use an exact return URL. This is useful for creating a number of forms on different pages. The value of elements equals the line to be used, if you've placed input type="hidden" name="return" value="" on the first input line below the "form name" line, then the elements value would be , the second line down would be  etc. In my example, the 'return' line is the second input line.
The page has to be uploaded to your website to work.
The example below uses a button or link to return the viewer to the same page after clicking the 'Continue Shopping' button.