怎么把下面的改成数组行，控制多图闪烁的<SCRIPT type="text/javascript">
function showImg() {
var img = document.getElementById("shan");
if (img.style.display == "block")
//如果可见，则隐藏
img.style.display = "none";
else
img.style.display = "block";
//设置图像可见
setTimeout(*showImg()*,300);
//间隔的毫秒
}
showImg();
</SCRIPT>
<img id="shan" alt="" class="style7" src="pic/dian.jpg" />