// JavaScript Document

var topAdInterval = null;
var tileAdInterval = null;

function changeAds() {
  topAdInterval = setInterval("ajax(false, 'top_ad_link', '/php_inc/get_top_ad.php')", 15000);
  tileAdInterval = setInterval("ajax(false, 'bottom_ads', '/php_inc/get_tile_ads.php')", 15000);
}



function stopRotatingAds() {
  clearInterval(topAdInterval);
  clearInterval(tileAdInterval);
}

//window.onload = changeAds;
//window.onunload = stopRotatingAds;