$(document).ready(function(){
    var adsList = $.ajax({
        type: "GET", async: false, url: "images.php?name=upperads", dataType: "text"
    }).responseText;
    
    var urlsList = $.ajax({
        type: "GET", async: false, url: "vars.php?name=upperadurls", dataType: "text"
    }).responseText;
    
    var ads = [];
    var urls = [];
    
    getAds = function(list){
        files = list.split("\n");
        for (i=0;i<files.length-1;i++) {
            ads.push('upperads/'+files[i]);
        }
    }

getUrls = function(list){
  items = list.split("#");
  for (i=0;i<items.length-1;i++) {
	urls.push(items[i]);
  }
}    

getAds(adsList);
getUrls(urlsList);
var currentAd = 0;
var adsCount = ads.length;

nextAd = function(){
    $('#UpperAdImg').attr('src', ads[currentAd]);
    $('#UpperAdLink').attr('href', urls[currentAd]);
    currentAd += 1;
    if (currentAd == adsCount) currentAd = 0;
    setTimeout( function(){ nextAd() }, 30000 );
}

nextAd();

});