JavaScript and AJAX

document.write("<scr"+"ipt language=javascript src=javascript-bin/cookies.js></scr"+"ipt>");
if(readCookie("BANNER-AD-ROTATOR-DATA")==null){saveCookie("BANNER-AD-ROTATOR-DATA",0,2000);window.location.reload()};
Rsrc=new Array("","adbin/myst.jpg","adbin/store468x60.jpg","adbin/memberad1.jpg","adbin/memberad2.jpg");
link=new Array("","sweeps.html","mailto:advertise@mysite.com","galleries/securegallery.html","galleries/securegallery.html");
random=readCookie("BANNER-AD-ROTATOR-DATA");
ransrc=Rsrc[random];
document.write("<a href="+link[random]+"><img src='"+Rsrc[random]+"' border=0></a>");
if(readCookie("BANNER-AD-ROTATOR-DATA")==eval(link.length)-eval(1)){deleteCookie("BANNER-AD-ROTATOR-DATA")};
if(readCookie("BANNER-AD-ROTATOR-DATA")<eval(link.length)-eval(1)){phase=eval(readCookie("BANNER-AD-ROTATOR-DATA"))+eval(1);
saveCookie("BANNER-AD-ROTATOR-DATA",phase,2000)};

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin
var how_many_ads = 3;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
url="URL GOES HERE";
alt="ALT TEXT";
banner="IMAGE URL HERE";
width="NUMBER";
height="NUMBER";
}
if (ad==2) {
url="URL GOES HERE";
alt="ALT TEXT";
banner="IMAGE URL HERE";
width="NUMBER";
height="NUMBER";
}
if (ad==3) {
url="URL GOES HERE";
alt="ALT TEXT";
banner="IMAGE URL HERE";
width="NUMBER";
height="NUMBER";
}

document.write('<a href=\"' + url + '\" target=\"_blank\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0></a>');
// End -->
</SCRIPT>