I would like to add to one of my projects a small button that will send the
Viewer to the first panorama
like in this projecthttp://www.visitlondon.com/discover-london/london-virtual-tour
that my projecthttp://www.360vr.tamiror.com/mtzeitim_en
PTP 2.x has a new Button feature that I think would make it easy.
With PTP 1.8 ... use the Logo feature with a link to a URL and then edit the main XML file to change the onclick XML code to look like this (using your own filenames and tool tip text of course):