Parameter Fancy and function vtk_print in Octaviz

[Dejvik]

Good afternoon,
I have 2 questions about Octaviz. I am working on project to my school - I am 
creating web pages describing Octaviz and Octplot.  
First, I wonder, what exatly do parameter Fancy in some functions... I try 
change values, but I think, that nothink change... 
And second how I can change output in vtk_print function. I know, that there 
are some options, but I don't know right syntax of this function.
Thanks for advice.

David Prokop, student UTB, Czech republic