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(9)); //改成你要隨機顯示的圖片數；
if(myNum == 1) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_001.jpg' width='480' height='319'></a>"); //圖片路徑，可用http://
if(myNum == 2) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_005.jpg' width='480' height='319'></a>");
if(myNum == 3) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_015.jpg' width='480' height='319'></a>");
if(myNum == 4) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_014.jpg' width='480' height='319'></a>");
if(myNum == 5) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_017.jpg' width='480' height='319'></a>");
if(myNum == 6) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_021.jpg' width='480' height='319'></a>");
if(myNum == 7) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_022.jpg' width='480' height='319'></a>");
if(myNum == 8) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_026.jpg' width='480' height='319'></a>");
if(myNum == 9) document.write("<a href='http://www.jeff-blog.com/2010_0215'><img src='http://www.jeff-blog.com/20100215/album1/popup/IMG_028.jpg' width='480' height='319'></a>");

else {
document.write();
}
};
document.write("</center>");