javascript+xml实现简单图片轮换(只支持IE)_javascript技巧

最近无聊,看着许多网站都有广告自动轮换,自己试着写了一个图片轮换,代码和功能都很简单,只支持IE的,FF的还要加些东东.

xml文件:test.xml

复制代码 代码如下:

http://www.163.com
http://www.sina.com.cn
http://www.sohu.com

HTML

复制代码 代码如下:

javascript

复制代码 代码如下:

<script> <BR>//图片轮换 <BR>var a = 0 ; <BR>var xmlDoc; <BR>var image1 = document.getElementById("image1"); <BR>function loadxml(path) <BR>{ <BR>xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); <BR>xmlDoc.async = false; <BR>xmlDoc.load(path); <BR>} <BR>loadxml("test.xml"); <BR>function changeImage() <BR>{ <BR>var ad = xmlDoc.getElementsByTagName("ad")[0]; <BR>if(a == ad.childNodes.length) <BR>{ <BR>a=0; <BR>} <BR>var path = ad.childNodes[a].getAttribute("path"); <BR>var url = ad.childNodes[a].text; <BR>image1.src = path; <BR>image1.onclick = function(){window.open(url);}; <BR>a+=1; <BR>setTimeout("changeImage()",1000); <BR>} <BR>changeImage(); <BR></script>