This feature is not available in current version of PTViewer Scripter. To accomplish this feature, you should write the script manually. Here is an example: http://www.fieldofvision.com.au/re01/living/living.htm .
We are also considering to make such an application named Virtual Tour HTML, which will make it easy to create virtual tour for web. But there is still no schedule for it so far.
------------- To see is to believe
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