<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style type="text/css">
*{margin:0;padding:0;}
#div1{width:100px;height:100px;background:red;position:absolute;left:1000px;top:30px;}
</style>
<script type="text/javascript">
var tmrie=null;
window.onload=function()
{
var oDiv=document.getElementById('div1');
tmrie=setInterval(function()
{
var left=(300-oDiv.offsetLeft)/10;
var ipar=left>0?Math.ceil(left):Math.floor(left);
if(oDiv.offsetLeft==300)
{
clearInterval(tmrie);
}
else
{
oDiv.style.left=oDiv.offsetLeft+ipar+'px';
}
},30);
};
</script>
</head>
<body>
<div id="div1">
</div>
<div style="height:200px;width:1px;background:#000;position:absolute;left:400px;"></div>
</body>
</html>