$(function() {
            $('#menu1').menuTree();

            $('#menu2').menuTree({
                expandSpeed: 1000,
                collapseSpeed: 1000,
                expandEasing: 'easeOutBounce',
                collapseEasing: 'easeOutBounce',
                parentMenuTriggerCallback: false,
                multiOpenedSubMenu: true
            });
            $('#menu3').menuTree({
                expandedNode: '2.1'
            }, function(rel) {
                alert(rel);
            });
        });