【www.gdgbn.com--Dom教程】
<script>
function cc(){
var x=document.getElementById("s");
var n=Math.ceil(Math.random()*10-1);
x.style.backgroundImage="url(Images/0"+n+".gif)";
}
</script>
方法二
<script type="text/javascript">
function ol()
{
var mc = Math.round(Math.random()*2)+1;
var d = document.getElementById("dv");
d.style.background = "url("+mc+".gif) no-repeat";
document.bgColor="#e3d4d4";
}
</script>
这样行吗