Inserts an object into the server. The object can be any
valid hyperwave object. See the HG-CSP documentation for a
detailed information on how the parameters have to be.
Note: If you want to insert an Anchor, the attribute
Position has always been set either to a start/end value or
to 'invisible'. Invisible positions are needed if the
annotation has no correspondig link in the annotation
text.
See also hw_pipedocument(),
hw_insertdocument(),
hw_insdoc(), and
hw_inscoll().