代码简介：
不错一款图片无缝滚动特效，前后各有一按钮用来控制图片的控制，当然，也可以不控制，这样由JS代码自动云控制滚动，比较适合于产品列表，推荐图文等版块，看上去真不错。
代码内容：
View Code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-
transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title>2个按钮控制的左右图片滚动特效代码 - www.webdm.cn</title>
<style type="text/css">
a { color:#213f71; font-size:9pt; text-decoration:none;}
a:hover {color:#0066cc; }
.blk_18 {
overflow:hidden;
zoom:1;
font-size:9pt;
border:1px solid #e3e3e3;
background:#eee;
width:692px;
margin-top:8px;
}
.blk_18 .pcont {
width:638px;
float:left;
overflow:hidden;
padding-left:5px;
}
.blk_18 .ScrCont {
width:32766px;
zoom:1;
margin-left:-5px;
}
.blk_18 #List1_1, .blk_18 #List2_1 {
float:left;
}
.blk_18 .LeftBotton, .blk_18 .RightBotton {
width:15px;
height:74px;
float:left;
background:url(http://www.webdm.cn/images/20091006/ax.gif) no-repeat;
}
.blk_18 .LeftBotton {
background-position: 0 0;
margin:8px 5px 0;
}
.blk_18 .RightBotton {
background-position: 0 -100px;
margin:8px 1px 10px 5px;
}
.blk_18 .LeftBotton:hover {
background-position: -20px 0;
}
.blk_18 .RightBotton:hover {
background-position: -20px -100px;
}
.blk_18 .pl img {
display:block;
cursor:pointer;
border:none;
margin:6px auto 1px auto;
}
.blk_18 .pl {
width:105px;
border:1px solid #f3f3f3;
float:left;
float:left;
text-align:center;
line-height:24px;
}
.blk_18 a.pl:hover {
border:1px solid #5dacec;
color:#5dacec;
background:#fff;
}
</style>
<script type="text/javascript">
var Speed_1 = 10; //速度(毫秒)
var Space_1 = 20; //每次移动(px)
var PageWidth_1 = 107 * 6; //翻页宽度
var interval_1 = 5000; //翻页间隔时间
var fill_1 = 0; //整体移位
var MoveLock_1 = false;
var MoveTimeObj_1;
var MoveWay_1="right";
var Comp_1 = 0;
var AutoPlayObj_1=null;
function GetObj(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else
{return eval('document.all.'+objName)}}
function AutoPlay_1(){clearInterval(AutoPlayObj_1);AutoPlayObj_1=setInterval('ISL_GoDown_1();ISL_StopDown_1
();',interval_1)}
function ISL_GoUp_1(){if(MoveLock_1)return;clearInterval
(AutoPlayObj_1);MoveLock_1=true;MoveWay_1="left";MoveTimeObj_1=setInterval('ISL_ScrUp_1();',Speed_1);}
function ISL_StopUp_1(){if(MoveWay_1 == "right"){return};clearInterval(MoveTimeObj_1);if((GetObj
('ISL_Cont_1').scrollLeft-fill_1)%PageWidth_1!=0){Comp_1=fill_1-(GetObj('ISL_Cont_1').scrollLeft
%PageWidth_1);CompScr_1()}else{MoveLock_1=false}
AutoPlay_1()}
function ISL_ScrUp_1(){if(GetObj('ISL_Cont_1').scrollLeft<=0){GetObj('ISL_Cont_1').scrollLeft=GetObj
('ISL_Cont_1').scrollLeft+GetObj('List1_1').offsetWidth}
GetObj('ISL_Cont_1').scrollLeft-=Space_1}
function ISL_GoDown_1(){clearInterval(MoveTimeObj_1);if(MoveLock_1)return;clearInterval
(AutoPlayObj_1);MoveLock_1=true;MoveWay_1="right";ISL_ScrDown_1();MoveTimeObj_1=setInterval('ISL_ScrDown_1
()',Speed_1)}
function ISL_StopDown_1(){if(MoveWay_1 == "left"){return};clearInterval(MoveTimeObj_1);if(GetObj
('ISL_Cont_1').scrollLeft%PageWidth_1-(fill_1>=0?fill_1:fill_1+1)!=0){Comp_1=PageWidth_1-GetObj
('ISL_Cont_1').scrollLeft%PageWidth_1+fill_1;CompScr_1()}else{MoveLock_1=false}
AutoPlay_1()}
function ISL_ScrDown_1(){if(GetObj('ISL_Cont_1').scrollLeft>=GetObj('List1_1').scrollWidth){GetObj
('ISL_Cont_1').scrollLeft=GetObj('ISL_Cont_1').scrollLeft-GetObj('List1_1').scrollWidth}
GetObj('ISL_Cont_1').scrollLeft+=Space_1}
function CompScr_1(){if(Comp_1==0){MoveLock_1=false;return}
var num,TempSpeed=Speed_1,TempSpace=Space_1;if(Math.abs(Comp_1)<PageWidth_1/2){TempSpace=Math.round(Math.abs
(Comp_1/Space_1));if(TempSpace<1){TempSpace=1}}
if(Comp_1<0){if(Comp_1<-TempSpace){Comp_1+=TempSpace;num=TempSpace}else{num=-Comp_1;Comp_1=0}
GetObj('ISL_Cont_1').scrollLeft-=num;setTimeout('CompScr_1()',TempSpeed)}else{if(Comp_1>TempSpace){Comp_1-
=TempSpace;num=TempSpace}else{num=Comp_1;Comp_1=0}
GetObj('ISL_Cont_1').scrollLeft+=num;setTimeout('CompScr_1()',TempSpeed)}}
function picrun_ini(){
GetObj("List2_1").innerHTML=GetObj("List1_1").innerHTML;
GetObj('ISL_Cont_1').scrollLeft=fill_1>=0?fill_1:GetObj('List1_1').scrollWidth-Math.abs(fill_1);
GetObj("ISL_Cont_1").onmouseover=function(){clearInterval(AutoPlayObj_1)}
GetObj("ISL_Cont_1").onmouseout=function(){AutoPlay_1()}
AutoPlay_1();
}
</script>
</head>
<body>
<!-- picrotate_left start -->
<div class="blk_18"> <a class="LeftBotton" onmousedown="ISL_GoUp_1()" onmouseup="ISL_StopUp_1()"
onmouseout="ISL_StopUp_1()" href="javascript:void(0);" target="_self"></a>
<div class="pcont" id="ISL_Cont_1">
<div class="ScrCont">
<div id="List1_1">
<!-- piclist begin -->
<a class="pl" href="#" ><img src="http://www.webdm.cn/images/wall1_s.jpg" alt="" width="96" height="72"/>图
片一</a>
<a class="pl"href="#"> <img src="http://www.webdm.cn/images/wall2_s.jpg" alt="" width="96" height="72"/>图片
二</a>
<a class="pl" href="#"><img src="http://www.webdm.cn/images/wall3_s.jpg" alt=""width="96" height="72"/>图片
三</a>
<a class="pl" href="#"><img src="http://www.webdm.cn/images/wall4_s.jpg" alt="" width="96" height="72"/>图片
四</a>
<a class="pl" href="#"><img src="http://www.webdm.cn/images/wall5_s.jpg" alt="" width="96" height="72"/>图片
五</a>
<a class="pl" href="#"><img src="http://www.webdm.cn/images/wall6_s.jpg" alt="" width="96" height="72"/>图片
六</a>
<a class="pl" href="#"><img src="http://www.webdm.cn/images/wall7_s.jpg" alt="" width="96" height="72"/>图片
七</a>
<a class="pl" href="#" ><img src="http://www.webdm.cn/images/wall8_s.jpg" alt="" width="96" height="72"/>图
片八</a>
<a class="pl" href="#" ><img src="hthttp://www.webdm.cn/images/wall1_s.jpg" alt="" width="96" height="72"/>
图片九</a>
<!-- piclist end -->
</div>
<div id="List2_1"></div>
</div>
</div>
<a class="RightBotton" onmousedown="ISL_GoDown_1()" onmouseup="ISL_StopDown_1()" onmouseout="ISL_StopDown_1()"
href="javascript:void(0);" target="_self"></a> </div>
<div class="c"></div>
<script type="text/javascript">
<!--
picrun_ini()
//-->
</script>
<!-- picrotate_left end -->
</body>
</html>
<br />
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</p>
代码来自：http://www.webdm.cn/webcode/eed5beac-6d8d-4c3d-8f3c-2f3efc775ff8.html