var curAd;
var ads = new Array();
var delays = new Array();
var linx = new Array();
var external = new Array();
function displayAd() {
   var adLink = document.getElementById("ADLINK");
   var ad = document.getElementById("AD");
   if (ads.length) {
      ad.src = "./ads/"+ads[curAd];
      adLink.href=linx[curAd];
      if (external[curAd]) { adLink.target="_blank"; }
      else	{ adLink.target="_self"; }
      if (ads.length > 1) setTimeout("displayAd()",delays[curAd]*1000);
      curAd = (++curAd) % ads.length;
   }
}