ad2.js

多用户个人主页系统(ASP)

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(3)); //改成你要随机显示的图片数；

    if(myNum == 1) document.write("<img src='http://www.9cool.net/ad/265_01.gif' width='0' height='0' border='0'>"); 

if(myNum == 2) document.write("<img src='http://www.9cool.net/ad/265_02.gif' width='0' height='0' border='0'>"); //随机显示路径，可用http://
if(myNum == 3) document.write("<img src='http://www.9cool.net/ad/265_03.gif' width='0' height='0' border='0'>");
    else {
document.write();
}
};
document.write("</CENTER>");