if( typeof(NavMarker) != 'undefined' )
	Event.observe(document, 'dom:loaded',
		function() {new NavMarker('sidenav');});
if( typeof(Accordian) != 'undefined' )
	Event.observe(document, 'dom:loaded',
		function() {new Accordian('sidenav');});
if( typeof(Navigation) != 'undefined' )
	Event.observe(document, 'dom:loaded',
		function() {new Navigation('nav_menu');});