自动换图
<body>
<div style=" 1000px; height:550px; margin-top:30px;">
<img src="../Pictures/phuket/7.jpg" width="1000" height="550" />
<img src="../Pictures/phuket/9.jpg" width="1000" height="550" style="display:none"/>
<img src="../Pictures/phuket/10.jpg" width="1000" height="550" style="display:none"/>
<img src="../Pictures/phuket/11.jpg" width="1000" height="550" style="display:none" />
</div>
</body>
</html>
<script>
window.setInterval("lunbo()",2000);
var n=document.getElementsByTagName("img").length-1;
var d=0;
function lunbo()
{
var attr=document.getElementsByTagName("img");
d++;
if(d>n)
{
d=0;
}
for(var i=0;i<=n;i++)
{
attr[i].style.display="none";
}
attr[d].style.display="block";
}
</script>