请问我的代码哪里出问题了？？
<!DOCTYPE>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>动画效果</title>
<style type="text/css">
*{margin:0;
padding:0;}
#div1{
width:180px;
height:300px;
background:#C9F;
border-radius:10px;
position:relative;
left:-180px;
}
#div1 #share{
width:20px;
height:30px;
background:#CC3;
color:#93C;
position:relative;
left:180px;
top:90px;
}
</style>
<script type="text/javascript">
window.onload=function(){
var oDiv=document.getElementById("div1");
oDiv.onmouseover=function(){
startMove(0);
}
oDiv.onmouseout=function(){
startMove(-200);
}
}
var timer=null;
function startMove(iTarget){
clearInterval(timer);
var oDiv =document.getElementById("div1");
timer=setInterval(function(){
var speed=0;
if(oDiv.offsetLeft>iTarget){
speed=-10;
}
else{
speed=10;
}
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}
else{
oDiv.style.left=oDiv.offsetLeft+speed+"px";
}
},30)
}
</script>
</head>
<body>
<div id="div1">
<span id="share">分<br/>享</span>
</div>
</body>
</html>
