var img_width = "780";
var img_height = "90";
var img_title = "Cloud Slam 10";

var ad=new Array()
//insert here your images src
ad[0]='http://www.oncloudcomputing.com/banners/cloudslam1.jpg';
ad[1]='http://www.oncloudcomputing.com/banners/cloudslam2.jpg';
ad[2]='http://www.oncloudcomputing.com/banners/cloudslam3.jpg';
ad[3]='http://www.oncloudcomputing.com/banners/cloudslam4.jpg';

var links=new Array()
//insert here your links
links[0]='http://www.oncloudcomputing.com/cloud.html';
links[1]='http://www.oncloudcomputing.com/cloud.html';
links[2]='http://www.oncloudcomputing.com/cloud.html';
links[3]='http://www.oncloudcomputing.com/cloud.html';

var xy=Math.floor(Math.random()*ad.length);
document.write('<a href="'+links[xy]+'" target="_blank"><img src="'+ad[xy]+'" width="'+img_width+'" height="'+img_height+'" alt="'+img_title+'"></a>');