1 <!doctype html>
2 <html>
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title></title>
6 <style>
7 #left{ position:absolute; left:0; top:0; width:50%; height:100%; background:red; opacity:0; filter:alpha(opacity:0);}
8 #right{ position:absolute; right:0; top:0; width:50%; height:100%; background:#ccc; opacity:0; filter:alpha(opacity:0);}
9 a{ cursor:default;}
10 body {margin:0;}
11 img {width:640px; height:378px; position:absolute; left:50%; top:50%; margin-top:-189px; margin-left:-320px;}
18 </style>
19 <script>
20 window.onload=function(){
21 var oLeft=document.getElementById('left');
22 var oRight=document.getElementById('right');
23 var oImg=document.getElementById('img1');
24 var timer=null;
25 var count=null;
26
27 oLeft.onmouseover=function(){
28
29 clearInterval(timer);
30 timer=setInterval(function(){
31 count++;
32 oImg.src='img/'+count+'.jpg';
33 if(count==76){
34 count=0;
35 }
36 },100)
37
38
39 }
40 oRight.onmouseover=function(){
41 clearInterval(timer);
42 timer=setInterval(function(){
43 count--;
44 oImg.src='img/'+count+'.jpg';
45 if(count<1){
46 count=76;
47 }
48 },100)
49
50
51 }
52 }
53 </script>
54 </head>
55
56 <body>
57 <img id="img1" src="img/0.jpg" />
58 <a href="javascript:;" id="left"></a>
59 <a href="javascript:;" id="right"></a>
60 </body>
61 </html>