var url;
var pic;
bill = new Array;
bill[0] = "517258";
bill[1] = "602594";
bill[2] = "602595";
bill[3] = "602596";
bill[4] = "1486023";

x = Math.floor(Math.random()*(bill.length));
url = "<a target=new href=http://www.qksrv.net/click-976468-"+bill[x]+">Harcourt Learning Direct";
pic = "<img border=0 width=1 height=1 src=http://www.qksrv.net/image-976468-"+bill[x]+">";
document.write(url);
document.write(pic);
document.write("</a>");