随机显示图片脚本，刷新看效果
<!-- 要实现此效果需要 1 个步骤： -->
<!-- 第 1 步： -->
<!-- 把下面的代码加到<BODY></BODY>区域中： -->
<script language="Javascript"><!--
today=new Date();
jran=today.getTime();
function rnd() {
ia=9301;
ic=49297;
im=233280;
jran = (jran*ia+ic) % im;
return jran/(im*1.0);
};
function rand(number) {
return Math.ceil(rnd()*number);
};
document.write("<CENTER>");
for(i=1;i<=1;i++) {
myNum=(rand(10)); //改成你要随机显示的图片数；
if(myNum == 1) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.1.jpg'>");
if(myNum == 2) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.2.jpg'>"); //图片路径，可用http://
if(myNum == 3) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.3.jpg'>");
if(myNum == 4) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.4.jpg'>");
if(myNum == 5) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.5.jpg'>");
if(myNum == 6) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.6.jpg'>");
if(myNum == 7) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.1.jpg'>");
if(myNum == 8) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.2.jpg'>");
if(myNum == 9) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.3.jpg'>");
if(myNum == 10) document.write("<img src='http://www.webasp.net/javascript/1/images/webasp.net.4.jpg'>");
else {
document.write();
}
};
document.write("</CENTER>");
//-->
</script>
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