jquery1.4.4下引入jquery1.4.2写的方法 报错！！

在jquery1.4.2版本下找的一个  图片焦点切换的方法 放在jquery1.4.4下 报错。高手帮忙看下    var sliderIndex = 0;
var timer;
function slideTo(a) {
    var b = 570;
    $("#slider2").stop(true, false).animate({
        marginLeft: -(b * a)
    },
    {
        duration: 500,
        easing: "easeOutExpo"
    });
    var c = document.getElementById("sliderhandle").getElementsByTagName("li");
    $.each(c,
    function(d, e) {
        e.className = "";
        if (d == a) {
            e.className = "on";
            sliderIndex = d
        }
    })
}
function slideShift() {
    slideTo(sliderIndex);
    sliderIndex++;
    if (sliderIndex > 4) {
        sliderIndex = 0
    }
    timer = setTimeout("slideShift()", 5000)
}
function slideShow() {
    slideTo(0);
    var a = document.getElementById("sliderhandle").getElementsByTagName("li");
    $.each(a,
    function(b, c) {
        c.onmouseover = function() {
            slideTo(b)
        }
    });
    slideShift();
    $("#slider").hover(function() {
        clearTimeout(timer)
    },
    function() {
        slideShift()
    })
}
    <script type="text/javascript">
$(function(){
slideShow();});
</script>
<div class="slideshow">
          <div class="container" id="slider">
            <ul class="slider slider2" id="slider2" style="width:5700px">
             <li><a href="http://tuan.12580777.com/team.php?id=2846" title="备受女士青睐！仅1.48元，原价4.8元/包的“丝之物语” 蚕丝蛋白卫生巾丝滑体验装（日用2片+护垫1片）！" target="_blank"><img alt="备受女士青睐！仅1.48元，原价4.8元/包的“丝之物语” 蚕丝蛋白卫生巾丝滑体验装（日用2片+护垫1片）！" src="http://www.12580777.com/shlm/upload/agentAd/pic/1313396171038.jpg" width="570" height="170" /></a></li>
               <li><a href="http://tuan.12580777.com/team.php?id=2812" title="仅16.8元！即得宜芝多20元现金券一张，各式西点任你选！" target="_blank"><img alt="仅16.8元！即得宜芝多20元现金券一张，各式西点任你选！" src="http://www.12580777.com/shlm/upload/agentAd/pic/1313394246809.jpg" width="570" height="170" /></a></li>
               <li><a href="http://tuan.12580777.com/team.php?id=2829" title="仅98元！享原价215元蜀锅香川味火锅4-5人超值套餐" target="_blank"><img alt="仅98元！享原价215元蜀锅香川味火锅4-5人超值套餐" src="http://www.12580777.com/shlm/upload/agentAd/pic/1313145396116.jpg" width="570" height="170" /></a></li>
               <li><a href="http://tuan.12580777.com/team.php?id=2813" title="仅12.8元！享原价68元的竹炭收纳三件套" target="_blank"><img alt="仅12.8元！享原价68元的竹炭收纳三件套" src="http://www.12580777.com/shlm/upload/agentAd/pic/1313145360820.jpg" width="570" height="170" /></a></li>
               <li><a href="http://tuan.12580777.com/team.php?id=2798" title="仅售0元！即得原价3元/月的《12580优旅行》精美手机彩信杂志订阅，全年免费体验！" target="_blank"><img alt="仅售0元！即得原价3元/月的《12580优旅行》精美手机彩信杂志订阅，全年免费体验！" src="http://www.12580777.com/shlm/upload/agentAd/pic/1313141840232.jpg" width="570" height="170" /></a></li>
               </ul>
            <ul class="num" id="sliderhandle">
             <li>1</li>
               <li>2</li>
               <li>3</li>
               <li>4</li>
               <li>5</li>
               </ul>
            <div class="clearfix"></div>
         </div>
      </div>