var default_content = '';     

function show_details(url) {     

   var details_layer = document.getElementById('info');
   var details = document.getElementById('content_area');

   xmlHttp = get_xmlHttp();

   if (xmlHttp && details_layer && details) {
      vis_elements(false);
      var top = (document.getElementsByTagName("html")[0].scrollTop + 10) + "px";
      details_layer.style.top = top;
      details_layer.style.display = 'block';
      default_content = details.innerHTML;

      xmlHttp.onreadystatechange = function() {
         if (xmlHttp.readyState == 4) {
            if (xmlHttp.status == 200) {
               details.innerHTML = xmlHttp.responseText;
            }
            else {
               return;
            }
         }
      }
      xmlHttp.open("GET",url,true);
      xmlHttp.send(null);
   }
}

function close_jpopup() {
   var details_layer = document.getElementById('info');
   var details = document.getElementById('content_area');

   if (details_layer) {
      details_layer.style.display = 'none';
      if (details) {
         details.innerHTML = default_content;
      }
      vis_elements(true);
   }
   else {
      window.location.reload();
   }
}