var returnValue = true;
links = ['schedule.asp', 'djinfo.asp?channel=1&djid=2','http://www.sesist.net'];
imgs = ["/ads/lineup_300x250_tr.gif", "/ads/midnite_300x250.jpg","/ads/sesist_ad300x250.jpg"];
len = (links.length + imgs.length) / 2;
if((len*2)%2 == 1){returnValue=false;}

function showAd(){
if(returnValue==false)
{document.write('<img src="blank.gif" alt="">');return false;}
var rand = Math.floor(len*Math.random())
document.write("<a href=\""+links[rand]+"\" title=\"Click here\"><img src=\""+imgs[rand]+"\" alt=\"Click here\" style=\"border: 1px solid #666; width: 300px; height: 250px;\" ></a>");
}