按钮显示动态树
var mytree = new dTree('mytree');$(function(){$("#btn").bind("click",function(event){ $.getJSON('tree.htm', function(data){ $.each(data.tree, function(index, value){ var id = value.cid; var pid = value.parent; var name = value.name; mytree.add(id, pid, name); });alert(mytree);$(".dtree").append(document.write("mytree")); });});})