function $ID(id) { return document.getElementById(id); }
function addLoadEvent(func){
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
  window.onload = func;
 } else {
  window.onload = function(){
   oldonload();
   func();
  }
 }
}
function moveElement(elementID,final_x,final_y,interval) {
  if (!document.getElementById) return false;
  if (!document.getElementById(elementID)) return false;
  var elem = document.getElementById(elementID);
  if (elem.movement) {
    clearTimeout(elem.movement);
  }
  if (!elem.style.left) {
    elem.style.left = "0px";
  }
  if (!elem.style.top) {
    elem.style.top = "0px";
  }
  var xpos = parseInt(elem.style.left);
  var ypos = parseInt(elem.style.top);
  if (xpos == final_x && ypos == final_y) {
  return true;
  }
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/10);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/10);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/10);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/10);
    ypos = ypos - dist;
  }
  elem.style.left = xpos + "px";
  elem.style.top = ypos + "px";
  var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
  elem.movement = setTimeout(repeat,interval);
}
function classNormal(iFocusBtnID,iFocusTxID){
 var iFocusBtns= $ID(iFocusBtnID).getElementsByTagName('li');
 var iFocusTxs = $ID(iFocusTxID).getElementsByTagName('li');
 for(var i=0; i<iFocusBtns.length; i++) {
  iFocusBtns[i].className='normal';
  iFocusTxs[i].className='normal';
 }
}
function classCurrent(iFocusBtnID,iFocusTxID,n){
 var iFocusBtns= $ID(iFocusBtnID).getElementsByTagName('li');
 var iFocusTxs = $ID(iFocusTxID).getElementsByTagName('li');
 iFocusBtns[n].className='current';
 iFocusTxs[n].className='current';
}
function iFocusChange() {
 if(!$ID('ifocus')) return false;
 $ID('ifocus').onmouseover = function(){atuokey = true};
 $ID('ifocus').onmouseout = function(){atuokey = false};
 var iFocusBtns = $ID('ifocus_btn').getElementsByTagName('li');
 var listLength = iFocusBtns.length;
 iFocusBtns[0].onmouseover = function() {
  moveElement('ifocus_piclist',0,0,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',0);
 }
 if (listLength>=2) {
  iFocusBtns[1].onmouseover = function() {
   moveElement('ifocus_piclist',0,-225,5);
   classNormal('ifocus_btn','ifocus_tx');
   classCurrent('ifocus_btn','ifocus_tx',1);
  }
 }
 if (listLength>=3) {
  iFocusBtns[2].onmouseover = function() {
   moveElement('ifocus_piclist',0,-450,5);
   classNormal('ifocus_btn','ifocus_tx');
   classCurrent('ifocus_btn','ifocus_tx',2);
  }
 }
 if (listLength>=4) {
  iFocusBtns[3].onmouseover = function() {
   moveElement('ifocus_piclist',0,-675,5);
   classNormal('ifocus_btn','ifocus_tx');
   classCurrent('ifocus_btn','ifocus_tx',3);
  }
 }
}
setInterval('autoiFocus()',5000);
var atuokey = false;
function autoiFocus() {
 if(!$ID('ifocus')) return false;
 if(atuokey) return false;
 var focusBtnList = $ID('ifocus_btn').getElementsByTagName('li');
 var listLength = focusBtnList.length;
 for(var i=0; i<listLength; i++) {
  if (focusBtnList[i].className == 'current') var currentNum = i;
 }
 if (currentNum==0&&listLength!=1 ){
  moveElement('ifocus_piclist',0,-225,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',1);
 }
 if (currentNum==1&&listLength!=2 ){
  moveElement('ifocus_piclist',0,-450,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',2);
 }
 if (currentNum==2&&listLength!=3 ){
  moveElement('ifocus_piclist',0,-675,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',3);
 }
 if (currentNum==3 ){
  moveElement('ifocus_piclist',0,0,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',0);
 }
 if (currentNum==1&&listLength==2 ){
  moveElement('ifocus_piclist',0,0,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',0);
 }
 if (currentNum==2&&listLength==3 ){
  moveElement('ifocus_piclist',0,0,5);
  classNormal('ifocus_btn','ifocus_tx');
  classCurrent('ifocus_btn','ifocus_tx',0);
 }
}
addLoadEvent(iFocusChange);



<!--
//图片滚动列表 mengjia 070927
var Speed_1 = 10; //速度(毫秒)
var Space_1 = 20; //每次移动(px)
var PageWidth_1 = 116 * 3; //翻页宽度
var interval_1 = 7000; //翻页间隔
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();
}
//产品展示滚动图片结束
//-->