JS特效：水平图片滚动

<style type="text/css">
.blk_29 {
  PADDING-RIGHT: 0px;
  PADDING-LEFT: 0px;
  PADDING-BOTTOM: 10px;
  OVERFLOW: hidden;
  PADDING-TOP: 10px;
  ZOOM: 1;
  POSITION: relative
}
.blk_29 .LeftBotton { BACKGROUND: url( http://i.namipan.com/files/82f97f53f99dd0480121309db4091bc6eb5bec030a02000080aa/0/ca_hz_002.gif) no-repeat 0px 0px; LEFT: 5px; FLOAT: left; WIDTH: 21px; CURSOR: pointer; POSITION: absolute; TOP: 10px; HEIGHT: 160px}
.blk_29 .RightBotton { RIGHT: 5px; BACKGROUND: url( http://i.namipan.com/files/82f97f53f99dd0480121309db4091bc6eb5bec030a02000080aa/0/ca_hz_002.gif) no-repeat -21px 0px; FLOAT: right; WIDTH: 21px; CURSOR: pointer; POSITION: absolute; TOP: 10px; HEIGHT: 160px}
.blk_29 .Cont { MARGIN: 0px auto; OVERFLOW: hidden; WIDTH: 888px; PADDING-TOP: 10px}
.blk_29 .box { FLOAT: left; WIDTH: 240px; TEXT-ALIGN: center }
.blk_29 .box IMG { border:6px solid #efefef;background-color:#fff;padding:2px;display:block;}
.blk_29 .box A:hover IMG { border:6px solid #ccc;background-color:#fff;text-decoration: none;}
.blk_29 .box a span{display:none; text-align:center; font-size:12px;z-index:1;}
.blk_29 .box a:hover span{color:#333;display:block;background-color:#ccc;width:186px;position:absolute;bottom:0px;line-height:23px;z-index:1;}
.blk_29 .box P { MARGIN: 6px auto 0px; WIDTH: 97px; LINE-HEIGHT: 20px}
.rollphotos { MARGIN-TOP: 10px;WIDTH: 750px}
.partC { MARGIN-TOP: 10px; OVERFLOW: auto; WIDTH: 750px}
.partC .PC_left { OVERFLOW: auto; WIDTH: 470px}
.partC .PC_right { OVERFLOW: auto; WIDTH: 470px}
.partC .PC_left { FLOAT: left}
.partC .PC_right { FLOAT: right}
.PhoTxt P { COLOR: #545454; LINE-HEIGHT: 15px}
.worksbox{width:186px;height:130px;position:relative;}
.worksbox a{border:6px solid #efefef;background-color:#fff;padding:2px;display:block;}
.worksbox a:hover{border:6px solid #ccc;background-color:#fff;text-decoration: none;}
.worksbox a span{display:none; text-align:center; font-size:12px;}
.worksbox a:hover span{color:#333;display:block;background-color:#ccc;width:186px;position:absolute;top:105px;left:0px;line-height:23px;}
.worksbox a img{width:170px;height:114px;}
</style>
  <script language="JavaScript" type="text/javascript">
  var sina={$:function(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}},isIE:navigator.appVersion.indexOf("MSIE")!=-1?true:false,addEvent:function(l,i,I){if(l.attachEvent){l.attachEvent("on"+i,I)}else{l.addEventListener(i,I,false)}},delEvent:function(l,i,I){if(l.detachEvent){l.detachEvent("on"+i,I)}else{l.removeEventListener(i,I,false)}},readCookie:function(O){var o="",l=O+"=";if(document.cookie.length>0){var i=document.cookie.indexOf(l);if(i!=-1){i+=l.length;var I=document.cookie.indexOf(";",i);if(I==-1)I=document.cookie.length;o=unescape(document.cookie.substring(i,I))}};return o},writeCookie:function(i,l,o,c){var O="",I="";if(o!=null){O=new Date((new Date).getTime()+o*3600000);O="; expires="+O.toGMTString()};if(c!=null){I=";domain="+c};document.cookie=i+"="+escape(l)+O+I},readStyle:function(I,l){if(I.style[l]){return I.style[l]}else if(I.currentStyle){return I.currentStyle[l]}else if(document.defaultView && document.defaultView.getComputedStyle){var i=document.defaultView.getComputedStyle(I,null);return i.getPropertyValue(l)}else{return null}}};
//滚动图片构造函数
//UI&UE Dept. mengjia
//080623
function ScrollPic(scrollContId,arrLeftId,arrRightId,dotListId){this.scrollContId=scrollContId;this.arrLeftId=arrLeftId;this.arrRightId=arrRightId;this.dotListId=dotListId;this.dotClassName="dotItem";this.dotOnClassName="dotItemOn";this.dotObjArr=[];this.pageWidth=0;this.frameWidth=0;this.speed=10;this.space=10;this.pageIndex=0;this.autoPlay=true;this.autoPlayTime=5;var _autoTimeObj,_scrollTimeObj,_state="ready";this.stripDiv=document.createElement("DIV");this.listDiv01=document.createElement("DIV");this.listDiv02=document.createElement("DIV");if(!ScrollPic.childs){ScrollPic.childs=[]};this.ID=ScrollPic.childs.length;ScrollPic.childs.push(this);this.initialize=function(){if(!this.scrollContId){throw new Error("必须指定scrollContId.");return};this.scrollContDiv=sina.$(this.scrollContId);if(!this.scrollContDiv){throw new Error("scrollContId不是正确的对象.(scrollContId = \""+this.scrollContId+"\")");return};this.scrollContDiv.style.width=this.frameWidth+"px";this.scrollContDiv.style.overflow="hidden";this.listDiv01.innerHTML=this.listDiv02.innerHTML=this.scrollContDiv.innerHTML;this.scrollContDiv.innerHTML="";this.scrollContDiv.appendChild(this.stripDiv);this.stripDiv.appendChild(this.listDiv01);this.stripDiv.appendChild(this.listDiv02);this.stripDiv.style.overflow="hidden";this.stripDiv.style.zoom="1";this.stripDiv.style.width="32766px";this.listDiv01.style.cssFloat="left";this.listDiv02.style.cssFloat="left";sina.addEvent(this.scrollContDiv,"mouseover",Function("ScrollPic.childs["+this.ID+"].stop()"));sina.addEvent(this.scrollContDiv,"mouseout",Function("ScrollPic.childs["+this.ID+"].play()"));if(this.arrLeftId){this.arrLeftObj=sina.$(this.arrLeftId);if(this.arrLeftObj){sina.addEvent(this.arrLeftObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].rightMouseDown()"));sina.addEvent(this.arrLeftObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].rightEnd()"));sina.addEvent(this.arrLeftObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].rightEnd()"))}};if(this.arrRightId){this.arrRightObj=sina.$(this.arrRightId);if(this.arrRightObj){sina.addEvent(this.arrRightObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].leftMouseDown()"));sina.addEvent(this.arrRightObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].leftEnd()"));sina.addEvent(this.arrRightObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].leftEnd()"))}};if(this.dotListId){this.dotListObj=sina.$(this.dotListId);if(this.dotListObj){var pages=Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4),i,tempObj;for(i=0;i<pages;i++){tempObj=document.createElement("span");this.dotListObj.appendChild(tempObj);this.dotObjArr.push(tempObj);if(i==this.pageIndex){tempObj.className=this.dotClassName}else{tempObj.className=this.dotOnClassName};tempObj.title="第"+(i+1)+"页";sina.addEvent(tempObj,"click",Function("ScrollPic.childs["+this.ID+"].pageTo("+i+")"))}}};if(this.autoPlay){this.play()}};this.leftMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveLeft()",this.speed)};this.rightMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveRight()",this.speed)};this.moveLeft=function(){if(this.scrollContDiv.scrollLeft+this.space>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+this.space-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=this.space};this.accountPageIndex()};this.moveRight=function(){if(this.scrollContDiv.scrollLeft-this.space<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-this.space}else{this.scrollContDiv.scrollLeft-=this.space};this.accountPageIndex()};this.leftEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=this.pageWidth-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.rightEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.move=function(num,quick){var thisMove=num/5;if(!quick){if(thisMove>this.space){thisMove=this.space};if(thisMove<-this.space){thisMove=-this.space}};if(Math.abs(thisMove)<1 && thisMove!=0){thisMove=thisMove>=0?1:-1}else{thisMove=Math.round(thisMove)};var temp=this.scrollContDiv.scrollLeft+thisMove;if(thisMove>0){if(this.scrollContDiv.scrollLeft+thisMove>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+thisMove-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=thisMove}}else{if(this.scrollContDiv.scrollLeft-thisMove<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-thisMove}else{this.scrollContDiv.scrollLeft+=thisMove}};num-=thisMove;if(Math.abs(num)==0){_state="ready";if(this.autoPlay){this.play()};this.accountPageIndex();return}else{this.accountPageIndex();setTimeout("ScrollPic.childs["+this.ID+"].move("+num+","+quick+")",this.speed)}};this.next=function(){if(_state!="ready"){return};_state="stoping";this.move(this.pageWidth,true)};this.play=function(){if(!this.autoPlay){return};clearInterval(_autoTimeObj);_autoTimeObj=setInterval("ScrollPic.childs["+this.ID+"].next()",this.autoPlayTime*1000)};this.stop=function(){clearInterval(_autoTimeObj)};this.pageTo=function(num){if(_state!="ready"){return};_state="stoping";var fill=num*this.frameWidth-this.scrollContDiv.scrollLeft;this.move(fill,true)};this.accountPageIndex=function(){this.pageIndex=Math.round(this.scrollContDiv.scrollLeft/this.frameWidth);if(this.pageIndex>Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4)-1){this.pageIndex=0};var i;for(i=0;i<this.dotObjArr.length;i++){if(i==this.pageIndex){this.dotObjArr[i].className=this.dotClassName}else{this.dotObjArr[i].className=this.dotOnClassName}}}};
</script>
<div class="rollphotos">
                      <div class="blk_29">
                          <div class="LeftBotton" id="LeftArr"></div>
                          <div class="Cont" id="ISL_Cont_1">
                              <!-- 图片列表 begin -->
                              <div class="box"><a  href="#" target="_blank"><span>产品1</span><img height="114" src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <div class="box"><a  href="#" target="_blank"><span>产品2</span><img height="114"  src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <div class="box"><a  href="#" target="_blank"><span>产品3</span><img height="114" src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <div class="box"><a  href="#" target="_blank"><span>产品4</span><img height="114" src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <div class="box"><a  href="#" target="_blank"><span>产品5</span><img height="114" src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <div class="box"><a  href="#" target="_blank"><span>产品6</span><img height="114" src=" http://i.namipan.com/files/dc624757dd3aac4ca77277508e6497cf31a44119644d0000bdba/0/1.jpg" width="170"
border="0" /></a>
                                      <p> </p>
                              </div>
                              <!-- 图片列表 end -->
                          </div>
                          <div class="RightBotton" id="RightArr"></div>
                      </div>
                      <script language="JavaScript" type="text/javascript">
  <!--//--><![CDATA[//><!--
  var scrollPic_02 = new ScrollPic();
  scrollPic_02.scrollContId    = "ISL_Cont_1"; //内容容器ID
  scrollPic_02.arrLeftId          = "LeftArr";//左箭头ID
  scrollPic_02.arrRightId        = "RightArr"; //右箭头ID
  scrollPic_02.frameWidth        = 720;//显示框宽度
  scrollPic_02.pageWidth          = 240; //翻页宽度
  scrollPic_02.speed                  = 10; //移动速度(单位毫秒，越小越快)
  scrollPic_02.space                  = 10; //每次移动像素(单位px，越大越快)
  scrollPic_02.autoPlay            = false; //自动播放
  scrollPic_02.autoPlayTime    = 3; //自动播放间隔时间(秒)
  scrollPic_02.initialize(); //初始化
           
  //--><!]]>
                  </script></div>