html：<div class="centered-1">? ? <a href="canvas.html"><img src="images/reading-1.jpg" id="adBanner-1" alt="ad Banner"></a></div>css:?.centered-1{width:200px;height: 200px;}?.centered-1 ?img{ width:100%; height: 100%;}.centered-1 a{display: block;}js代碼：window.onload=initBannerLink;var thisLink=0;function initBannerLink(){? ? if(document.getElementById("adBanner-1").parentNode.tagName=="A")? ? {? ?document.getElementById("adBanner-1").parentNode.onClick=newLocation;? ? }? ? rotate_1();}function newLocation(){? ? document.write("fjskdjs");? ? var adURL=new Array("http://www.google.com","http://www.sun.com","http://www.baidu.com");? ? document.location.href=adURL[thisLink];? ? return false;}function rotate_1(){? ? var adimgs=new Array("images/reading-1.jpg","images/reading-2.jpg",? ? ? ? ? ? "images/reading-3.jpg");? ? thisLink++;? ? if(thisLink==adimgs.length)? ? {? ? ? ? thisLink=0;? ? }? ? document.getElementById("adBanner-1").src=adimgs[thisLink];? ? setTimeout(rotate_1,2*1000);}