Jquery 飘窗

 1 <script type="text/javascript" src="jquery.js"></script>
 2 <script type="text/javascript">
 3 (function($) {
 4     $.fn.floatAd = function(options) {
 5         var defaults = {
 6             imgSrc:"",
 7             url:"",
 8             openStyle: 1,
 9             speed: 30
10         };
11         var options = $.extend(defaults, options);
12         var _target = options.openStyle == 1 ? "target=‘_blank‘": ‘‘;
13         var html = "<div id=‘float_ad‘ style=‘position:absolute;left:0px;top:0px;z-index:1000000;cleat:both;‘>";
14         html += "  <a href=‘" + options.url + "‘ " + _target + "><img src=‘" + options.imgSrc + "‘ border=‘0‘ class=‘float_ad_img‘/></a>";
15         html += "<div id=‘close_f_ad‘ style=‘position:absolute;width:30px;height:16px;top:-18px;right:0px;cursor:pointer;float:right;font-size:14px‘>关闭</div></div>";
16         $(‘body‘).append(html);
17         function init() {
18             var x = 0,
19             y = 0;
20             var xin = true,
21             yin = true;
22             var step = 1;
23             var delay = 10;
24             var obj = $("#float_ad");
25             obj.find(‘img.float_ad_img‘).load(function() {
26                 var float = function() {
27                     var L = T = 0;
28                     var OW = obj.width();
29                     var OH = obj.height();
30                     var DW = $(document).width();
31                     var DH = $(document).height();
32                     x = x + step * (xin ? 1 : -1);
33                     if (x < L) {
34                         xin = true;
35                         x = L;
36                     }
37                     if (x > DW - OW - 1) {
38                         xin = false;
39                         x = DW - OW - 1;
40                     }
41                     y = y + step * (yin ? 1 : -1);
42                     if (y > DH - OH - 10) {
43                         yin = false;
44                         y = DH - OH - 10;
45                     }
46                     if (y < T) {
47                         yin = true;
48                         y = T;
49                     }
50                     var left = x;
51                     var top = y;
52                     obj.css({
53                         ‘top‘: top,
54                         ‘left‘: left
55                     })
56                 };
57                 var itl = setInterval(float, options.speed);
58                 $(‘#float_ad‘).mouseover(function() {
59                     clearInterval(itl)
60                 });
61                 $(‘#float_ad‘).mouseout(function() {
62                     itl = setInterval(float, options.speed)
63                 })
64             })
65         }
66         init();
67         $(‘#close_f_ad‘).click(function(){
68                     $(‘#float_ad‘).css(‘display‘,‘none‘);
69                     clearInterval(itl);
70                 });
71     }
72 })(jQuery);
73 
74 $(document).ready(function() {
75     $(function() {
76         $("body").floatAd({
77             imgSrc: ‘http://www.customs.gov.cn/Portals/114/images/zxftyg2014010601.jpg‘,
78             url: ‘http://www.customs.gov.cn/tabid/66651/Default.aspx‘
79         });
80     })
81 });
82 </script>