The Navigation Panel weblet's properties are:
border
border_width
class
formname
height
hide_if
name
nav_asynchronously
nav_url | nav_wamname
nav_wrname
pos_absolute
protocol
reentryfield
reentryvalue
scrolling
size_panel_to_content
size_panel_to_content_axis | transparent
wait_content
wait_content_absolute_image
wait_content_class
wait_content_image_alignment
wait_content_image_class
wait_content_relative_image
wait_content_timeout
width
vf_wamevent |