Big tree example
$('#tree-7').checkboxTree({
collapseAllButton: {
html: 'Collapse all',
container: $('#buttons-7')
},
collapseEffect: '',
expandAllButton: {
html: 'Expande all',
container: $('#buttons-7')
},
expandEffect: '',
initializeChecked: 'collapsed',
initializeUnchecked: 'collapsed'
}).show();