Easyui弹出窗口在iframe中弹出被当前iframe遮罩的问题（解决方法）

//点击按钮
var _testWindow =  window.top.$('testWindow');
$('#testButton').click(function(){
if(_testWindow.length <= 0) {
_testWindow = window.top.$("<div id='testWindow'/>").appendTo(window.top.document.body);
}
_testWindow.window({
title: "test",
href: "/test/navigateServlet?viewName=test",
width: 650,
height: 400,
closed: false,
onClose : function(){
_testWindow.window("destroy");
}
});
});

window.top.$("<div id='testWindow'/>").appendTo(window.top.document.body);