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