点击图片跳转到大图

点击图片跳转到大图

<a id="ak" href="images/big.jpg"><img src="images/small.jpg" alt="" id"im"></a>
<script>
	document.getElementById("im").onclick=function () {
		this.src=document.getElementById("ak").href;
		return false;//控制是否跳转
};
</script>