jquery实现点击弹出对话框

<div class="dialog" id="delallpartdialog">
 <div class="title">
  <img alt="点击可以关闭" src="/static/images/disk.png" width="30px" height="30px;">
  删除时提示
 </div>
 <div class="content">
  <img alt="" src="delete.gif" width="60px" height="60px">
  <span>你真的要删除所有分区吗？</span>
 </div>
 <div class="bottom">
  <input type="button" value="确定" class="btnok">
  <input type="button" value="取消" class="btnnoOk">
 </div>
</div>

.dialog{width:360px;border:1px #666 solid;position:absolute;display:none;z-index:101;}
.dialog .title {background: #333;padding:10px; color: #fff; font-weight: bold; }
.dialog .title img {float: right;}
.dialog .content {background: #fff;padding:25px;height: 60px;}
.dialog .content img {float: left;}
.dialog .content span {float: left;padding:10px;}
.dialog .bottom {text-align: right;padding:10px 10px 10px 0px;background: #eee;}
.dialog .btn {border: #666 1px solid;width:65px;}

$(".delallpart").on("click",function () {
  $.ajax({
  url:"/osd/opt/delallpart",
  type: "POST",
  datatype:'json',
  data: {"action":"del_all","del_mount":"2"},
  beforeSend: function (xhr, settings) {
   xhr.setRequestHeader("X-CSRFToken", getCookie2('csrftoken'));
  },
  success: function (arg) {
   var div = $("#delallpartdialog");
   div.css("display", "block");
   div.css("left", 500).css("top", 500);
  }
 });
});
$(".dialog").on("click",".btnnoOk", function () {
 alert("not ok");
 $(this).parents(".dialog").css("display", "none");
});
 
$("#delallpartdialog").on("click",".btnok", function () {
 alert("ok!");
});