var diag = new top.Dialog();
diag.Drag = true;
diag.Title = "新增";
diag.Width = top.document.body.clientWidth*0.618;
diag.Height = top.document.body.clientHeight*0.8;
diag.CancelEvent = function () { //关闭事件
diag.close();
};
diag.show();
http://www.jb51.net/article/46902.htm
自己看你这个dialog的api,如果是easyui dialog加载静态页面用href配置