含有控制滚动方向的按钮

js

<script language="javascript" type="text/javascript">
<!--//--><![CDATA[//><!--
//图片滚动列表 mengjia 070816
var Speed = 10; //速度(毫秒)
var Space = 10; //每次移动(px)
var PageWidth = 161; //翻页宽度
var fill = 0; //整体移位
var MoveLock = false;
var MoveTimeObj;
var Comp = 0;
var AutoPlayObj = null;
GetObj("List2").innerHTML = GetObj("List1").innerHTML;
GetObj('ISL_Cont').scrollLeft = fill;
GetObj("ISL_Cont").onmouseover = function(){clearInterval(AutoPlayObj);}
GetObj("ISL_Cont").onmouseout = function(){AutoPlay();}
AutoPlay();
function GetObj(objName){if(document.getElementByIdx){return eval_r('document.getElementByIdx("'+objName+'")')}else{return eval
('document.all.'+objName)}}
function AutoPlay(){ //自动滚动
clearInterval(AutoPlayObj);
AutoPlayObj = setInterval('ISL_GoDown();ISL_StopDown();',5000); //间隔时间
}
function ISL_GoUp(){ //上翻开始
if(MoveLock) return;
clearInterval(AutoPlayObj);
MoveLock = true;
MoveTimeObj = setInterval('ISL_ScrUp();',Speed);
}
function ISL_StopUp(){ //上翻停止
clearInterval(MoveTimeObj);
if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0){
Comp = fill - (GetObj('ISL_Cont').scrollLeft % PageWidth);
CompScr();
}else{
MoveLock = false;
}
AutoPlay();
}
function ISL_ScrUp(){ //上翻动作
if(GetObj('ISL_Cont').scrollLeft <= 0){GetObj('ISL_Cont').scrollLeft = GetObj
('ISL_Cont').scrollLeft + GetObj('List1').offsetWidth}
GetObj('ISL_Cont').scrollLeft -= Space ;
}
function ISL_GoDown(){ //下翻
clearInterval(MoveTimeObj);
if(MoveLock) return;
clearInterval(AutoPlayObj);
MoveLock = true;
ISL_ScrDown();
MoveTimeObj = setInterval('ISL_ScrDown()',Speed);
}
function ISL_StopDown(){ //下翻停止
clearInterval(MoveTimeObj);
if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0 ){
Comp = PageWidth - GetObj('ISL_Cont').scrollLeft % PageWidth + fill;
CompScr();
}else{
MoveLock = false;
}
AutoPlay();
}
function ISL_ScrDown(){ //下翻动作
if(GetObj('ISL_Cont').scrollLeft >= GetObj('List1').scrollWidth){GetObj('ISL_Cont').scrollLeft =
GetObj('ISL_Cont').scrollLeft - GetObj('List1').scrollWidth;}
GetObj('ISL_Cont').scrollLeft += Space ;
}
function CompScr(){
var num;
if(Comp == 0){MoveLock = false;return;}
if(Comp < 0){ //上翻
if(Comp < -Space){
   Comp += Space;
   num = Space;
}else{
   num = -Comp;
   Comp = 0;
}
GetObj('ISL_Cont').scrollLeft -= num;
setTimeout('CompScr()',Speed);
}else{ //下翻
if(Comp > Space){
   Comp -= Space;
   num = Space;
}else{
   num = Comp;
   Comp = 0;
}
GetObj('ISL_Cont').scrollLeft += num;
setTimeout('CompScr()',Speed);
}
}
//--><!]]>
</script>

html代码

  <div id="ImageContainer">
<img onmousedown="ISL_GoDown()" onmouseup="ISL_StopDown()" onmouseout="ISL_StopDown()"  src="images/bottomlefe.gif" id="GoToLeft"/>
     <div class="Cont" id="ISL_Cont">
      <div class="ScrCont">
       <div id="List1">      
        <!-- 图片列表 begin -->    
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/taobao.jpg" /></a></div>
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/paipai.jpg" /></a></div>


          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/fjinf.jpg" /></a></div>


          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/xmint.jpg" /></a></div>
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/yd.jpg" /></a></div>
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/taobao.jpg" /></a></div>
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/paipai.jpg" /></a></div>


          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/fjinf.jpg" /></a></div>


          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/xmint.jpg" /></a></div>
          <div class="ImageWidth"><a href="#" style="cursor:default;"><img src="images/yd.jpg" /></a></div>


  
        <!-- 图片列表 end -->
       
       </div>
       <div id="List2"></div>
      </div>
     </div>
<img  id="GoToRight" onmousedown="ISL_GoUp()" onmouseup="ISL_StopUp()" onmouseout="ISL_StopUp()" src="images/bottomright.gif"/>
    </div>
</div>

一些样式

#ImageContainer{width:860px; height:88px; position:absolute;left:26px;}
#GoToLeft{ width:13px; height:14px;margin-top:38px; float:left;}
#GoToRight{ width:13px; height:14px; margin-top:38px; float:right;}
.Cont{width:805px; height:56px;float:left; margin-left:16px; margin-top:16px; display:inline;overflow:hidden;direction="left" speed="10" step="1" pause="1000"}
.ScrCont{width:10000000px;}
.ImageWidth{width:161px; height:56px;float:left;display:inline;}