JS图片滚动代码（无缝、平滑）

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
 5 <title>图片滚动</title>
 6 </head>
 7 <body>
 8 <style type="text/css">
 9 <!--
10 #demo {
11 background: #FFF;
12 overflow:hidden;
13 border: 1px dashed #CCC;
14  500px;
15 }
16 #demo img {
17 border: 3px solid #F2F2F2;
18 }
19 #indemo {
20 float: left;
21  800%;
22 }
23 #demo1 {
24 float: left;
25 }
26 #demo2 {
27 float: left;
28 }
29 -->
30 </style>
31 <div id="demo">
32 <div id="indemo">
33 <div id="demo1">
34 <a href="#"><img src="/jscss/demoimg/wall_s1.jpg" border="0" /></a>
35 <a href="#"><img src="/jscss/demoimg/wall_s2.jpg" border="0" /></a>
36 <a href="#"><img src="/jscss/demoimg/wall_s3.jpg" border="0" /></a>
37 <a href="#"><img src="/jscss/demoimg/wall_s4.jpg" border="0" /></a>
38 <a href="#"><img src="/jscss/demoimg/wall_s5.jpg" border="0" /></a>
39 <a href="#"><img src="/jscss/demoimg/wall_s6.jpg" border="0" /></a>
40 </div>
41 <div id="demo2"></div>
42 </div>
43 </div>
44 <script>
45 <!--
46 var speed=10;
47 var tab=document.getElementById("demo");
48 var tab1=document.getElementById("demo1");
49 var tab2=document.getElementById("demo2");
50 tab2.innerHTML=tab1.innerHTML;
51 function Marquee(){
52 if(tab2.offsetWidth-tab.scrollLeft<=0)
53 tab.scrollLeft-=tab1.offsetWidth
54 else{
55 tab.scrollLeft++;
56 }
57 }
58 var MyMar=setInterval(Marquee,speed);
59 tab.onmouseover=function() {clearInterval(MyMar)};
60 tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
61 -->
62 </script>
63 </body>
64 </html>