一个滚动循环图片的脚本问题

Question

此脚本兼容IE6,IE9,火狐，谷歌，不支持IE7,IE8.。求大神指点到底哪里出了问题
JS/**
*glide.layerGlide((oEventCont,oSlider,sSingleSize,sec,fSpeed,point);
*@param auto type:bolean 是否自动滑动 当值是true的时候 为自动滑动
*@param oEventCont type:object 包含事件点击对象的容器
*@param oSlider type:object 滑动对象
*@param sSingleSize type:number 滑动对象里单个元素的尺寸（width或者height）  尺寸是有point 决定
*@param second type:number 自动滑动的延迟时间  单位/秒
*@param fSpeed type:float   速率 取值在0.05--1之间 当取值是1时  没有滑动效果
*@param point type:string   left or top
*/
var glide = new function () {
    function $id(id) { return document.getElementById(id); };
    this.layerGlide = function (auto, oEventCont, oSlider, sSingleSize, second, fSpeed, point) {
        var oSubLi = $id(oEventCont).getElementsByTagName('li');
        var interval, timeout, oslideRange;
        var time = 1;
        var speed = fSpeed
        var sum = oSubLi.length;
        var a = 0;
        var delay = second * 1000;
        var setValLeft = function (s) {
            return function () {
                oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
                $id(oSlider).style[point] = -Math.floor(oslideRange + (parseInt(s * sSingleSize) - oslideRange) * speed) + 'px';
                if (oslideRange == [(sSingleSize * s)]) {
                    clearInterval(interval);
                    a = s;
                }
            }
        };
        var setValRight = function (s) {
            return function () {
                oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
                $id(oSlider).style[point] = -Math.ceil(oslideRange + (parseInt(s * sSingleSize) - oslideRange) * speed) + 'px';
                if (oslideRange == [(sSingleSize * s)]) {
                    clearInterval(interval);
                    a = s;
                }
            }
        }        function autoGlide() {
            for (var c = 0; c < sum; c++) { oSubLi[c].className = ''; };
            clearTimeout(interval);
            if (a == (parseInt(sum) - 1)) {
                for (var c = 0; c < sum; c++) { oSubLi[c].className = ''; };
                a = 0;
                oSubLi[a].className = "active";
                interval = setInterval(setValLeft(a), time);
                timeout = setTimeout(autoGlide, delay);
            } else {
                a++;
                oSubLi[a].className = "active";
                interval = setInterval(setValRight(a), time);
                timeout = setTimeout(autoGlide, delay);
            }
        }        if (auto) { timeout = setTimeout(autoGlide, delay); };
        for (var i = 0; i < sum; i++) {
            oSubLi[i].onmouseover = (function (i) {
                return function () {
                    for (var c = 0; c < sum; c++) { oSubLi[c].className = ''; };
                    clearTimeout(timeout);
                    clearInterval(interval);
                    oSubLi[i].className = "active";
                    if (Math.abs(parseInt($id(oSlider).style[point])) > [(sSingleSize * i)]) {
                        interval = setInterval(setValLeft(i), time);
                        this.onmouseout = function () { if (auto) { timeout = setTimeout(autoGlide, delay); }; };
                    } else if (Math.abs(parseInt($id(oSlider).style[point])) < [(sSingleSize * i)]) {
                        interval = setInterval(setValRight(i), time);
                        this.onmouseout = function () { if (auto) { timeout = setTimeout(autoGlide, delay); }; };
                    }
                }
            })(i)
        }
    }
}
glide.layerGlide(true, 'icon_num_top', 'show_pic_top', 237, 2, 0.1, 'top');css#picBox{width:746px; height:234px;  overflow:hidden; position:relative;}
#picBox ul#show_pic{ margin:0; padding:0; list-style:none; height:234px; width:3050px; position:absolute;}
#picBox ul#show_pic li{ float:left; margin:0; padding:0; height:234px;}
#picBox ul#show_pic li img{ display:block;}
#icon_num{ position:absolute; bottom:0px; right:10px;}
#icon_num li{ float:left; background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num li:hover,#icon_num li.active{ background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
#picBox_top{width:746px; height:234px; margin:auto; position:relative; overflow:hidden;}
#picBox_top ul#show_pic_top{ margin:0; padding:0; list-style:none; height:234px; width:746px; position:absolute;}
#picBox_top ul#show_pic_top li{ float:left; margin:0; padding:0; height:234px;}
#picBox_top ul#show_pic_top li img{ display:block;}
#icon_num_top{ position:absolute; bottom:0px; right:10px;}
#icon_num_top li{ float:left; background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num_top li:hover,#icon_num_top li.active{ background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}

Answer 1

html中<!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=utf-8" />
<title>picsGlide</title>
<style type="text/css">
body{ font-size:12px; color:#333;}
#picBox{width:610px; height:205px; margin:50px auto; overflow:hidden; position:relative;}
#picBox ul#show_pic{ margin:0; padding:0; list-style:none; height:205px; width:3050px; position:absolute;}
#picBox ul#show_pic li{ float:left; margin:0; padding:0; height:205px;}
#picBox ul#show_pic li img{ display:block;}
#icon_num{ position:absolute; bottom:0px; right:10px;}
#icon_num li{ float:left; background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num li:hover,#icon_num li.active{ background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
#picBox_top{width:610px; height:205px; margin:50px auto; position:relative; overflow:hidden;}
#picBox_top ul#show_pic_top{ margin:0; padding:0; list-style:none; height:205px; width:610px; position:absolute;}
#picBox_top ul#show_pic_top li{ float:left; margin:0; padding:0; height:205px;}
#picBox_top ul#show_pic_top li img{ display:block;}
#icon_num_top{ position:absolute; bottom:0px; right:10px;}
#icon_num_top li{ float:left; background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center;  cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num_top li:hover,#icon_num_top li.active{ background:url(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
</style>
</head>
<body>
<div id="picBox_top">
 <ul id="show_pic_top" style="top:0;">
     <li onclick="javascript:window.open('http://www.hao123.com')"><img src="http://inncache.soso.com/pc/images/manage.jpg" width="610" height="205" alt="" title="" /></li>
        <li onclick="javascript:window.open('http://www.baidu.com')"><img src="http://inncache.soso.com/pc/images/player.jpg" width="610" height="205" alt="" title="" /></li>
        <li onclick="javascript:window.open('http://www.sina.com')"><img src="http://inncache.soso.com/pc/images/py.jpg" width="610" height="205" alt="" title="" /></li>
        <li onclick="javascript:window.open('http://www.qq.com')"><img src="http://inncache.soso.com/pc/images/xf.jpg" width="610" height="205" alt="" title="" /></li>
        <li onclick="javascript:window.open('http://www.xunlei.com')"><img src="http://inncache.soso.com/pc/images/TT.jpg" width="610" height="205" alt="" title="" /></li>
    </ul>
    <ul id="icon_num_top">
     <li class="active">1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
    </ul>
</div>
<script type="text/javascript">
/**
 *glide.layerGlide((oEventCont,oSlider,sSingleSize,sec,fSpeed,point);
 *@param auto type:bolean 是否自动滑动 当值是true的时候 为自动滑动
 *@param oEventCont type:object 包含事件点击对象的容器
 *@param oSlider type:object 滑动对象
 *@param sSingleSize type:number 滑动对象里单个元素的尺寸（width或者height）  尺寸是有point 决定
 *@param second type:number 自动滑动的延迟时间  单位/秒
 *@param fSpeed type:float   速率 取值在0.05--1之间 当取值是1时  没有滑动效果
 *@param point type:string   left or top
 */
var glide =new function(){
 function $id(id){return document.getElementById(id);};
 this.layerGlide=function(auto,oEventCont,oSlider,sSingleSize,second,fSpeed,point){
  var oSubLi = $id(oEventCont).getElementsByTagName('li');
  var interval,timeout,oslideRange;
  var time=1; 
  var speed = fSpeed 
  var sum = oSubLi.length;
  var a=0;
  var delay=second * 1000; 
  var setValLeft=function(s){
   return function(){
    oslideRange = Math.abs(parseInt($id(oSlider).style[point])); 
    $id(oSlider).style[point] =-Math.floor(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';  
    if(oslideRange==[(sSingleSize * s)]){
     clearInterval(interval);
     a=s;
    }
   }
  };
  var setValRight=function(s){
   return function(){   
    oslideRange = Math.abs(parseInt($id(oSlider).style[point]));       
    $id(oSlider).style[point] =-Math.ceil(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
    if(oslideRange==[(sSingleSize * s)]){
     clearInterval(interval);
     a=s;
    }
   }
  }
  
  function autoGlide(){
   for(var c=0;c<sum;c++){oSubLi[c].className='';};
   clearTimeout(interval);
   if(a==(parseInt(sum)-1)){
    for(var c=0;c<sum;c++){oSubLi[c].className='';};
    a=0;
    oSubLi[a].className="active";
    interval = setInterval(setValLeft(a),time);
    timeout = setTimeout(autoGlide,delay);
   }else{
    a++;
    oSubLi[a].className="active";
    interval = setInterval(setValRight(a),time); 
    timeout = setTimeout(autoGlide,delay);
   }
  }
 
  if(auto){timeout = setTimeout(autoGlide,delay);};
  for(var i=0;i<sum;i++){ 
   oSubLi[i].onmouseover = (function(i){
    return function(){
     for(var c=0;c<sum;c++){oSubLi[c].className='';};
     clearTimeout(timeout);
     clearInterval(interval);
     oSubLi[i].className="active";
     if(Math.abs(parseInt($id(oSlider).style[point]))>[(sSingleSize * i)]){
      interval = setInterval(setValLeft(i),time);
      this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
     }else if(Math.abs(parseInt($id(oSlider).style[point]))<[(sSingleSize * i)]){
       interval = setInterval(setValRight(i),time);
      this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
     }
    }
   })(i)   
  }
 }
}
glide.layerGlide(true,'icon_num_top','show_pic_top',205,2,0.1,'top');
</script>
</body>
</html>

Answer 2

完整已列出，我测试了在IE9中oSubLi[i].onmouseover =... 这个oSubLi[i]有了onmouseover 事件且有方法，而IE8的onmouseover 事件中的方法为空，