var b1dis = "<a href=\"";
var bdis = "\"><img src=\"";
var edis = " width=\"292\" height=\"82\" alt=\"Click Here!\" border=\"0\"></a>";
var rnumb = "";
var img = "";

rnumb += Math.floor(Math.random()*5);
img = rnumb;
if (img == "0") {
document.write(b1dis+ "http://www.thefunstuff.net" +bdis+ "images/fun-stuff.jpg\"" +edis);
}
if (img == "1") {
document.write(b1dis+ "contact-us.aspx" +bdis+ "images/top-ads.jpg\"" +edis);
}
if (img == "2") {
document.write(b1dis+ "http://www.thefunstuff.net" +bdis+ "images/fun-stuff.jpg\"" +edis);
}
if (img == "3") {
document.write(b1dis+ "contact-us.aspx" +bdis+ "images/top-ads.jpg\"" +edis);
}
if (img == "4") {
document.write(b1dis+ "http://www.thefunstuff.net" +bdis+ "images/fun-stuff.jpg\"" +edis);
}