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>
