function check_for_pending_ads() {
   sendRequest('/mb/aj_pending_ads.php', check_for_pending_ads_result );
}

function check_for_pending_ads_result(req) {
   var pending = eval(req.responseText);
   if (parseInt(pending)) show_pending_ads(pending)
}

function show_pending_ads(num) {
   var msg = num  + ' ads/edits to approve';
   var a = document.createElement('a');
   a.href = '/mb/review_orders.php';
   a.innerHTML = msg;
   var li = document.createElement('li');
   var sp2 = document.createElement('span');
   li.appendChild(sp2);
   sp2.appendChild(document.createTextNode('You have '));
   sp2.appendChild(a);
   var navid = 'supplementary-nav';
   if (document.getElementById('supplementary-nav')) {
      li.id = 'ad-approval-notification';
      document.getElementById('supplementary-nav').appendChild(li);
   } else if (document.getElementById('supplementary-navfront')) {
      li.id = 'ad-approval-notification-front';
      document.getElementById('supplementary-navfront').appendChild(li);
   }
}

function append_onload(func) {
   var oldonload = window.onload;
   if (typeof window.onload != 'function') {
      window.onload = func;
   } else {
      window.onload = function () {
         oldonload();
         func();
      }
   }
}
append_onload(check_for_pending_ads);