imageList = new Array
(
"/images/banners/05banner1.jpg",
"/images/banners/05banner2.jpg",
"/images/banners/05banner4.jpg",
"/images/banners/05banner5.jpg",
"/images/banners/05banner7.jpg",
"/images/banners/05banner8.jpg",
"/images/banners/05banner9.jpg"
);
 
urlList = new Array
(
"/case_studies.asp",
"/case_studies.asp",
"/case_studies.asp",
"/case_studies.asp",
"/case_studies.asp",
"/case_studies.asp",
"/case_studies.asp"
);
 
// Get a randomImage index
var randomImage =new Number(Math.floor(Math.random() * imageList.length));
//write out the tag for the banner
document.write("<A HREF=" + urlList[randomImage] + " target=><IMG SRC=" + imageList[randomImage] + " border=0  alt='Click here to read more'></a>");