简单的轮播效果

[javascript]代码库

<style type="text/css">
#a{
		width:300px;
		height:200px;
		overflow:hidden;
		position:relative;
  }
 img{width:300px;
 	height:200px;
 }
#b{
	width:1200px;
	height:200px;
	position:absolute;
}
	
</style>
<script type="text/javascript">
 
var i=0;
 
	function qu()
	{
		var temp=300*i
		console.log(temp);
		document.getElementById('b').style.left='-'+temp+'px';
		setTimeout('qu()',2000);
		 i++;
	}

</script>