$(document).ready(function(){
						   
	if($('#sidenav').length !== 0) {
		$('#sidenav li.page_item').addClass('closed');
		$('#sidenav li.current_page_ancestor, #sidenav li.current_page_parent, #sidenav li.current_page_item').removeClass('closed');
		$("#sidenav").treeview();
	}
	
});