Rudin,
I see that Roland has already answered your first question so I will be answering the second one since I am the one that suggested that you use the MetaRefreshUpdate html command in previous post. It actually doesn't work with two process files unless you press the refresh button and redownload the process.
So the other way to go about it is to create a modified version of the server process that will rotate the panels and export this process for the webclient.
I created a sample process file that does that, with three panels that rotate every 30 seconds, using a sequencer object (please see attachment). I tested it on the webclient and it works fine.
Regards,
Cyril Bouton
Applications Engineer
National Instruments
Cyril Bouton
Active LabVIEW Developper