var exceptionmessage = null;
try {
  var avia_already_defined = false;
  if (typeof(_an_tracker) !== 'undefined') {
    avia_already_defined = true;
  }

  // First, define JS versions of methods not allowed from FBJS.
  _an_tracker = {
    _fbjs: false,
  
    createImage : function(imgsrc) {
      var img = document.createElement('img');
      img.src = imgsrc;
      img.style.height = '0px';
      img.style.width = '1px';
      img.style.border = '0px';
      return img;
    },
    
    createHiddenIFrame : function(iframe_url) {
      var iframe = document.createElement('iframe');
      iframe.src = iframe_url;
      iframe.style.height = '0px';
      iframe.style.width = '1px';
      iframe.style.border = '0px';
      return iframe;
    },
    
    getRootElement : function() {
      return document.body;
    },
    
    getTagNameForNode : function(node) {
      return node.tagName;
    },
    
    getClassNameForNode : function(node) {
      return node.className;
    },
  
    getParentForNode : function(node) {
      return node.parentNode;
    },
  
    getSrcForImage : function(image) {    
      return image.src;
    },

    getHrefForAnchor : function(anchor) {    
      return anchor.href;
    },
    
    setHrefForAnchor : function(anchor, new_href) {
      anchor.href = new_href;
    }
    
  };
  
  // Demo reporting is defined only for pure JS implementations; it's not allowed on FB.
  _an_tracker.add_demo_to_url = function (url) {
    if (typeof(adnectar_user_id) != 'undefined') { 
        url = url.replace('_adnectar_user_id_', escape(adnectar_user_id));
    }
    if (typeof(adnectar_birthday) != 'undefined') {
        url = url.replace('_adnectar_birthday_', escape(adnectar_birthday));
    }
    if (typeof(adnectar_sex) != 'undefined') {
        url = url.replace('_adnectar_sex_', escape(adnectar_sex));
    }
    if (typeof(adnectar_country) != 'undefined') {
        url = url.replace('_adnectar_country_', escape(adnectar_country));
    }
    return url;
  }

  _an_tracker.update_click_urls = function () {
    var root = _an_tracker.getRootElement();
    var i, anchors, href;
    var anchors = root.getElementsByTagName('a');
    for (var i = 0; i < anchors.length; i++) {
      var href = _an_tracker.getHrefForAnchor(anchors[i]);
      var new_href = _an_tracker.add_demo_to_url(href);
      if (new_href != href) {
        _an_tracker.setHrefForAnchor(anchors[i], new_href);
      }
    }
  }
  
  _an_tracker.appendANOptionsToBeaconUrl  = function(beacon_url) {
    beacon_url += '&site_key=' + this._an_site_key;
    if (typeof(adnectar_creative_key) != 'undefined') {
      beacon_url += '&creative_key=' + adnectar_creative_key;
    } 
    if (typeof(adnectar_creative_url) != 'undefined') {
      beacon_url += '&creative_url=' + adnectar_creative_url;
    } 
    if (typeof(adnectar_user_id) != 'undefined') {
      beacon_url += '&actor_user_id=' + adnectar_user_id;
    } 
    if (typeof(adnectar_birthday) != 'undefined') {
      beacon_url += '&actor_birthday=' + adnectar_birthday;
    } 
    if (typeof(adnectar_sex) != 'undefined') {
      beacon_url += '&actor_sex=' + adnectar_sex;
    } 
    if (typeof(adnectar_country) != 'undefined') {
      beacon_url += '&actor_country=' + adnectar_country;
    }
    return beacon_url;
  };
  
    _an_tracker._an_base_url = 'http://goods.adnectar.com/';
  _an_tracker._an_version = '3.0.0';
  _an_tracker._an_site_key = 'a9aa425c93ef5dff380c';
  _an_tracker._an_reporting_functions = [];

  _an_tracker.sendBeacon = function(method, url_params) {
    var beacon_url = this._an_base_url + method + '?api_version=' + this._an_version;
    beacon_url = this.appendANOptionsToBeaconUrl(beacon_url);
    if (url_params != null) {
      beacon_url += '&' + url_params;
    }
    var random = Math.floor(Math.random() * 10000000);
    beacon_url += '&ord=' + random;
    
    // If this happens to be a goods.adnectar.com URL, send to a random host.
    var random = Math.floor(Math.random() * 100);
    var new_hostname = "goods" + random + ".adnectar.com";
    beacon_url = beacon_url.replace("goods.adnectar.com", new_hostname);
    
    var img = _an_tracker.createImage(beacon_url);
    var adnectar_container = document.getElementById('adnectar_container');
    if (adnectar_container != null) {
      adnectar_container.appendChild(img);
    }
  };
  
  _an_tracker.loadHiddenIFrame = function(iframe_url) {
    var iframe = _an_tracker.createHiddenIFrame(iframe_url);
    var adnectar_container = document.getElementById('adnectar_container');
    if (adnectar_container != null) {
      adnectar_container.appendChild(iframe);
    }
  };

  _an_tracker.onScriptLoad = function() {
    this.loadHiddenIFrame('http://goods.adnectar.com/static/quantcast_1.html');
  };

  
  _an_tracker.reportCreatives = function() {
    this.sendBeacon('analytics/record_impression', 'impression_context=page_view');
    for (var i = 0; i < _an_tracker._an_reporting_functions.length; i++) {
      var reporting_function = _an_tracker._an_reporting_functions[i];
      if (typeof(reporting_function) === 'function') {
        reporting_function();
      }
    }
  };
  
  _an_tracker.handleException = function(exceptionmessage, additional_url_params) {
    try {
      var url_params = 'exception_message=' + escape(exceptionmessage);
      url_params += '&context=avia_runtime';
      if (additional_url_params !== null && additional_url_params !== '') {
        url_params += '&' + additional_url_params;
      }
      _an_tracker.sendBeacon('apis/record_exception', url_params);
    } catch (e) {
      // If we fail to report the exception, ignore the failure.
    }
  };
  
  _an_tracker.add_reporting_function = function(reporting_function) {
    _an_tracker._an_reporting_functions.push(reporting_function);
  };
  

  
  _an_tracker.onScriptLoad();
  
  // Report all the creatives for this page.
  if (avia_already_defined === false) {
    _an_tracker.reportCreatives();
  }
} catch (e) {
  exceptionmessage = e.message;
}

try {
  if (exceptionmessage != null) {
    var url_params = 'exception_message=' + escape(exceptionmessage);
    url_params += '&context=avia_init';
    _an_tracker.sendBeacon('apis/record_exception', url_params);
  }
} catch (e) {
  // If we fail to report the exception, ignore it.
}